Rewrite in Rust

72 files changed, 0 insertions, 3687 deletions

diff --git a/server/src/Conf.hs b/server/src/Conf.hs
deleted file mode 100644
index ca19c8d..0000000
--- a/server/src/Conf.hs
+++ /dev/null
@@ -1,39 +0,0 @@
-module Conf
-  ( get
-  , Conf(..)
-  ) where
-
-import qualified Data.ConfigManager as Conf
-import           Data.Text          (Text)
-import qualified Data.Text          as T
-import           Data.Time.Clock    (NominalDiffTime)
-
-import           Common.Model       (Currency (..))
-
-data Conf = Conf
-  { hostname         :: Text
-  , port             :: Int
-  , signInExpiration :: NominalDiffTime
-  , currency         :: Currency
-  , noReplyMail      :: Text
-  , https            :: Bool
-  , devMode          :: Bool
-  } deriving Show
-
-get :: FilePath -> IO Conf
-get path = do
-  conf <-
-    (flip fmap) (Conf.readConfig path) (\configOrError -> do
-      conf <- configOrError
-      Conf <$>
-        Conf.lookup "hostname" conf <*>
-        Conf.lookup "port" conf <*>
-        Conf.lookup "signInExpiration" conf <*>
-        fmap Currency (Conf.lookup "currency" conf) <*>
-        Conf.lookup "noReplyMail" conf <*>
-        Conf.lookup "https" conf <*>
-        Conf.lookup "devMode" conf
-    )
-  case conf of
-    Left msg -> error (T.unpack msg)
-    Right c  -> return c
diff --git a/server/src/Controller/Category.hs b/server/src/Controller/Category.hs
deleted file mode 100644
index 371ba78..0000000
--- a/server/src/Controller/Category.hs
+++ /dev/null
@@ -1,88 +0,0 @@
-module Controller.Category
-  ( listAll
-  , list
-  , create
-  , edit
-  , delete
-  ) where
-
-import           Control.Monad.IO.Class    (liftIO)
-import qualified Data.Text.Lazy            as TL
-import           Data.Validation           (Validation (..))
-import           Network.HTTP.Types.Status (badRequest400, ok200)
-import           Web.Scotty                hiding (delete)
-
-import           Common.Model              (CategoryId, CategoryPage (..),
-                                            CreateCategoryForm (..),
-                                            EditCategoryForm (..))
-import qualified Common.Msg                as Msg
-
-import qualified Controller.Helper         as ControllerHelper
-import           Model.CreateCategory      (CreateCategory (..))
-import           Model.EditCategory        (EditCategory (..))
-import qualified Model.Query               as Query
-import qualified Persistence.Category      as CategoryPersistence
-import qualified Persistence.Payment       as PaymentPersistence
-import qualified Secure
-import qualified Validation.Category       as CategoryValidation
-
-listAll :: ActionM ()
-listAll =
-  Secure.loggedAction (\_ ->
-    (liftIO . Query.run $ CategoryPersistence.listAll) >>= json
-  )
-
-list :: Int -> Int -> ActionM ()
-list page perPage =
-  Secure.loggedAction (\_ ->
-    (liftIO . Query.run $ do
-      categories <- CategoryPersistence.list page perPage
-      usedCategories <- PaymentPersistence.usedCategories
-      count <- CategoryPersistence.count
-      return $ CategoryPage page categories usedCategories count
-    ) >>= json
-  )
-
-create :: CreateCategoryForm -> ActionM ()
-create form =
-  Secure.loggedAction (\_ ->
-    (liftIO . Query.run $ do
-      case CategoryValidation.createCategory form of
-        Success (CreateCategory name color) -> do
-          Right <$> (CategoryPersistence.create name color)
-
-        Failure validationError ->
-          return $ Left validationError
-    ) >>= ControllerHelper.okOrBadRequest
-  )
-
-edit :: EditCategoryForm -> ActionM ()
-edit form =
-  Secure.loggedAction (\_ ->
-    (liftIO . Query.run $ do
-      case CategoryValidation.editCategory form of
-        Success (EditCategory categoryId name color) ->
-          do
-            isSuccess <- CategoryPersistence.edit categoryId name color
-            return $ if isSuccess then
-              Right ()
-            else
-              Left $ Msg.get Msg.Error_CategoryEdit
-
-        Failure validationError ->
-          return $ Left validationError
-    ) >>= ControllerHelper.okOrBadRequest
-  )
-
-delete :: CategoryId -> ActionM ()
-delete categoryId =
-  Secure.loggedAction (\_ -> do
-    deleted <- liftIO . Query.run $ do
-      CategoryPersistence.delete categoryId
-    if deleted
-      then
-        status ok200
-      else do
-        status badRequest400
-        text . TL.fromStrict $ Msg.get Msg.Category_NotDeleted
-  )
diff --git a/server/src/Controller/Helper.hs b/server/src/Controller/Helper.hs
deleted file mode 100644
index dc9cbc4..0000000
--- a/server/src/Controller/Helper.hs
+++ /dev/null
@@ -1,16 +0,0 @@
-module Controller.Helper
-  ( okOrBadRequest
-  ) where
-
-import           Data.Text                 (Text)
-import qualified Data.Text.Lazy            as LT
-import qualified Network.HTTP.Types.Status as Status
-import           Web.Scotty                (ActionM)
-import qualified Web.Scotty                as S
-
-okOrBadRequest :: Either Text () -> ActionM ()
-okOrBadRequest (Left message) = do
-  S.status Status.badRequest400
-  S.text (LT.fromStrict message)
-okOrBadRequest (Right ()) =
-  S.status Status.ok200
diff --git a/server/src/Controller/Income.hs b/server/src/Controller/Income.hs
deleted file mode 100644
index 96ccbbc..0000000
--- a/server/src/Controller/Income.hs
+++ /dev/null
@@ -1,90 +0,0 @@
-module Controller.Income
-  ( list
-  , create
-  , edit
-  , delete
-  ) where
-
-import           Control.Monad.IO.Class    (liftIO)
-import qualified Data.Map                  as M
-import qualified Data.Time.Clock           as Clock
-import           Data.Validation           (Validation (..))
-import qualified Network.HTTP.Types.Status as Status
-import           Web.Scotty                hiding (delete)
-
-import           Common.Model              (CreateIncomeForm (..),
-                                            EditIncomeForm (..),
-                                            IncomeHeader (..), IncomeId,
-                                            IncomePage (..), User (..))
-import qualified Common.Msg                as Msg
-
-import qualified Controller.Helper         as ControllerHelper
-import           Model.CreateIncome        (CreateIncome (..))
-import           Model.EditIncome          (EditIncome (..))
-import qualified Model.Query               as Query
-import qualified Persistence.Income        as IncomePersistence
-import qualified Persistence.Payment       as PaymentPersistence
-import qualified Persistence.User          as UserPersistence
-import qualified Secure
-import qualified Validation.Income         as IncomeValidation
-
-list :: Int -> Int -> ActionM ()
-list page perPage =
-  Secure.loggedAction (\_ -> do
-    currentTime <- liftIO Clock.getCurrentTime
-    (liftIO . Query.run $ do
-      count <- IncomePersistence.count
-
-      users <- UserPersistence.list
-      let userIds = _user_id <$> users
-
-      paymentRange <- PaymentPersistence.getRange
-      incomeDefinedForAll <- IncomePersistence.definedForAll userIds
-      let since = max <$> (fst <$> paymentRange) <*> incomeDefinedForAll
-
-      cumulativeIncome <-
-        case since of
-          Just s -> IncomePersistence.getCumulativeIncome s (Clock.utctDay currentTime)
-          Nothing -> return M.empty
-
-      incomes <- IncomePersistence.list page perPage
-      return $ IncomePage page (IncomeHeader since cumulativeIncome) incomes count) >>= json
-  )
-
-create :: CreateIncomeForm -> ActionM ()
-create form =
-  Secure.loggedAction (\user ->
-    (liftIO . Query.run $ do
-      case IncomeValidation.createIncome form of
-        Success (CreateIncome amount date) -> do
-          Right <$> (IncomePersistence.create (_user_id user) date amount)
-
-        Failure validationError ->
-          return $ Left validationError
-    ) >>= ControllerHelper.okOrBadRequest
-  )
-
-edit :: EditIncomeForm -> ActionM ()
-edit form =
-  Secure.loggedAction (\user ->
-    (liftIO . Query.run $ do
-      case IncomeValidation.editIncome form of
-        Success (EditIncome incomeId amount date) ->
-          do
-            isSuccess <- IncomePersistence.edit (_user_id user) incomeId date amount
-            return $ if isSuccess then
-              Right ()
-            else
-              Left $ Msg.get Msg.Error_IncomeEdit
-
-        Failure validationError ->
-          return $ Left validationError
-    ) >>= ControllerHelper.okOrBadRequest
-  )
-
-delete :: IncomeId -> ActionM ()
-delete incomeId =
-  Secure.loggedAction (\user -> do
-    _ <- liftIO . Query.run $ IncomePersistence.delete (_user_id user) incomeId
-    status Status.ok200
-  )
diff --git a/server/src/Controller/Index.hs b/server/src/Controller/Index.hs
deleted file mode 100644
index 4f4ae77..0000000
--- a/server/src/Controller/Index.hs
+++ /dev/null
@@ -1,76 +0,0 @@
-module Controller.Index
-  ( get
-  , signIn
-  , signOut
-  ) where
-
-import           Control.Monad.IO.Class    (liftIO)
-import           Data.Text                 (Text)
-import qualified Data.Text.Lazy            as TL
-import           Data.Validation           (Validation (..))
-import qualified Network.HTTP.Types.Status as Status
-import           Prelude                   hiding (error, init)
-import           Web.Scotty                (ActionM)
-import qualified Web.Scotty                as S
-
-import           Common.Model              (Init (..), SignInForm (..),
-                                            User (..))
-import qualified Common.Msg                as Msg
-
-import           Conf                      (Conf (..))
-import qualified LoginSession
-import           Model.Query               (Query)
-import qualified Model.Query               as Query
-import           Model.SignIn              (SignIn (..))
-import qualified Persistence.User          as UserPersistence
-import qualified Validation.SignIn         as SignInValidation
-import           View.Page                 (page)
-
-get :: Conf -> ActionM ()
-get conf = do
-  init <- do
-    mbToken <- LoginSession.get
-    case mbToken of
-      Nothing ->
-        return Nothing
-      Just token -> do
-        liftIO . Query.run $ getInit conf token
-  S.html $ page init
-
-signIn :: Conf -> SignInForm -> ActionM ()
-signIn conf form =
-  case SignInValidation.signIn form of
-    Failure _ ->
-      textKey Status.badRequest400 Msg.SignIn_InvalidCredentials
-    Success (SignIn email password) -> do
-      result <- liftIO . Query.run $ do
-        isPasswordValid <- UserPersistence.checkPassword email password
-        if isPasswordValid then
-          do
-            signInToken <- UserPersistence.createSignInToken email
-            init <- getInit conf signInToken
-            return $ Just (signInToken, init)
-        else
-          return Nothing
-      case result of
-        Just (signInToken, init) -> do
-          LoginSession.put conf signInToken
-          S.json init
-
-        Nothing ->
-          textKey Status.badRequest400 Msg.SignIn_InvalidCredentials
-  where textKey st key = S.status st >> (S.text . TL.fromStrict $ Msg.get key)
-
-getInit :: Conf -> Text -> Query (Maybe Init)
-getInit conf signInToken = do
-  user <- UserPersistence.get signInToken
-  case user of
-    Just u ->
-      do
-        users <- UserPersistence.list
-        return . Just $ Init users (_user_id u) (Conf.currency conf)
-    Nothing ->
-      return Nothing
-
-signOut :: Conf -> ActionM ()
-signOut conf = LoginSession.delete conf >> S.status Status.ok200
diff --git a/server/src/Controller/Payment.hs b/server/src/Controller/Payment.hs
deleted file mode 100644
index 4fb4d54..0000000
--- a/server/src/Controller/Payment.hs
+++ /dev/null
@@ -1,118 +0,0 @@
-module Controller.Payment
-  ( list
-  , create
-  , edit
-  , delete
-  , searchCategory
-  ) where
-
-import           Control.Monad.IO.Class (liftIO)
-import qualified Data.Map               as M
-import           Data.Text              (Text)
-import qualified Data.Time.Clock              as Clock
-import qualified Data.Time.Calendar     as Calendar
-import           Data.Validation        (Validation (Failure, Success))
-import           Web.Scotty             (ActionM)
-import qualified Web.Scotty             as S
-
-import           Common.Model           (Category (..), CreatePaymentForm (..),
-                                         EditPaymentForm (..), Frequency,
-                                         PaymentHeader (..), PaymentId,
-                                         PaymentPage (..), User (..))
-import qualified Common.Msg             as Msg
-
-import qualified Controller.Helper      as ControllerHelper
-import           Model.CreatePayment    (CreatePayment (..))
-import           Model.EditPayment      (EditPayment (..))
-import qualified Model.Query            as Query
-import qualified Payer                  as Payer
-import qualified Persistence.Category   as CategoryPersistence
-import qualified Persistence.Income     as IncomePersistence
-import qualified Persistence.Payment    as PaymentPersistence
-import qualified Persistence.User       as UserPersistence
-import qualified Secure
-import qualified Validation.Payment     as PaymentValidation
-
-list :: Frequency -> Int -> Int -> Text -> ActionM ()
-list frequency page perPage search =
-  Secure.loggedAction (\_ -> do
-    currentUtctDay <- liftIO $ Clock.utctDay <$> Clock.getCurrentTime
-    (liftIO . Query.run $ do
-      count <- PaymentPersistence.count frequency search
-      payments <- PaymentPersistence.listActivePage frequency page perPage search
-
-      users <- UserPersistence.list
-
-      paymentRange <- PaymentPersistence.getRange
-      incomeDefinedForAll <- IncomePersistence.definedForAll (_user_id <$> users)
-
-      cumulativeIncome <-
-        case (incomeDefinedForAll, paymentRange) of
-          (Just incomeStart, Just (paymentStart, _))  ->
-            IncomePersistence.getCumulativeIncome (max incomeStart paymentStart) currentUtctDay
-
-          _ ->
-            return M.empty
-
-      searchRepartition <-
-        case paymentRange of
-          Just (from, to) ->
-            PaymentPersistence.repartition frequency search from (Calendar.addDays 1 to)
-          Nothing ->
-            return M.empty
-
-      (preIncomeRepartition, postIncomeRepartition) <-
-        PaymentPersistence.getPreAndPostPaymentRepartition paymentRange users
-
-      let exceedingPayers = Payer.getExceedingPayers users cumulativeIncome preIncomeRepartition postIncomeRepartition
-
-          header = PaymentHeader
-            { _paymentHeader_exceedingPayers = exceedingPayers
-            , _paymentHeader_repartition     = searchRepartition
-            }
-
-      return $ PaymentPage page frequency header payments count) >>= S.json
-  )
-
-create :: CreatePaymentForm -> ActionM ()
-create form =
-  Secure.loggedAction (\user ->
-    (liftIO . Query.run $ do
-      cs <- map _category_id <$> CategoryPersistence.listAll
-      case PaymentValidation.createPayment cs form of
-        Success (CreatePayment name cost date category frequency) ->
-          Right <$> PaymentPersistence.create (_user_id user) name cost date category frequency
-        Failure validationError ->
-          return $ Left validationError
-    ) >>= ControllerHelper.okOrBadRequest
-  )
-
-edit :: EditPaymentForm -> ActionM ()
-edit form =
-  Secure.loggedAction (\user ->
-    (liftIO . Query.run $ do
-      cs <- map _category_id <$> CategoryPersistence.listAll
-      case PaymentValidation.editPayment cs form of
-        Success (EditPayment paymentId name cost date category frequency) -> do
-          isSuccess <- PaymentPersistence.edit (_user_id user) paymentId name cost date category frequency
-          return $ if isSuccess then
-            Right ()
-          else
-            Left $ Msg.get Msg.Error_PaymentEdit
-        Failure validationError ->
-          return $ Left validationError
-    ) >>= ControllerHelper.okOrBadRequest
-  )
-
-delete :: PaymentId -> ActionM ()
-delete paymentId =
-  Secure.loggedAction (\user ->
-    liftIO . Query.run $ PaymentPersistence.delete (_user_id user) paymentId
-  )
-
-searchCategory :: Text -> ActionM ()
-searchCategory paymentName =
-  Secure.loggedAction (\_ -> do
-    (liftIO $ Query.run (PaymentPersistence.searchCategory paymentName))
-      >>= S.json
-  )
diff --git a/server/src/Controller/Statistics.hs b/server/src/Controller/Statistics.hs
deleted file mode 100644
index 500c93c..0000000
--- a/server/src/Controller/Statistics.hs
+++ /dev/null
@@ -1,21 +0,0 @@
-module Controller.Statistics
-  ( paymentsAndIncomes
-  ) where
-
-import           Control.Monad.IO.Class (liftIO)
-import           Web.Scotty             (ActionM)
-import qualified Web.Scotty             as S
-
-import qualified Model.Query            as Query
-import qualified Persistence.Income     as IncomePersistence
-import qualified Persistence.Payment    as PaymentPersistence
-import qualified Secure
-import qualified Statistics
-
-paymentsAndIncomes :: ActionM ()
-paymentsAndIncomes =
-  Secure.loggedAction (\_ -> do
-    payments <- liftIO $ Query.run PaymentPersistence.listAllPunctual
-    incomes <- liftIO $ Query.run IncomePersistence.listAll
-    S.json (Statistics.paymentsAndIncomes payments incomes)
-  )
diff --git a/server/src/Controller/User.hs b/server/src/Controller/User.hs
deleted file mode 100644
index a7bb136..0000000
--- a/server/src/Controller/User.hs
+++ /dev/null
@@ -1,17 +0,0 @@
-module Controller.User
-  ( list
-  ) where
-
-import           Control.Monad.IO.Class (liftIO)
-import           Web.Scotty             (ActionM)
-import qualified Web.Scotty             as S
-
-import qualified Model.Query            as Query
-import qualified Persistence.User       as UserPersistence
-import qualified Secure
-
-list :: ActionM ()
-list =
-  Secure.loggedAction (\_ ->
-    (liftIO . Query.run $ UserPersistence.list) >>= S.json
-  )
diff --git a/server/src/Cookie.hs b/server/src/Cookie.hs
deleted file mode 100644
index 00d73f2..0000000
--- a/server/src/Cookie.hs
+++ /dev/null
@@ -1,55 +0,0 @@
-module Cookie
-  ( makeSimpleCookie
-  , setCookie
-  , setSimpleCookie
-  , getCookie
-  , getCookies
-  , deleteCookie
-  ) where
-
-import           Control.Monad            (liftM)
-
-import qualified Data.Text                as TS
-import qualified Data.Text.Encoding       as TS
-import qualified Data.Text.Lazy.Encoding  as TL
-
-import           Conf                     (Conf)
-import qualified Conf
-
-import qualified Data.Map                 as Map
-
-import qualified Data.ByteString.Lazy     as BSL
-
-import           Data.Time.Clock.POSIX    (posixSecondsToUTCTime)
-
-import           Blaze.ByteString.Builder (toLazyByteString)
-
-import           Web.Cookie
-import           Web.Scotty.Trans
-
-makeSimpleCookie :: Conf -> TS.Text -> TS.Text -> SetCookie
-makeSimpleCookie conf name value =
-  def
-    { setCookieName  = TS.encodeUtf8 name
-    , setCookieValue = TS.encodeUtf8 value
-    , setCookiePath = Just $ TS.encodeUtf8 "/"
-    , setCookieSecure = Conf.https conf
-    , setCookieHttpOnly = True
-    }
-
-setCookie :: (Monad m) => SetCookie -> ActionT e m ()
-setCookie name = addHeader "Set-Cookie" (TL.decodeUtf8 . toLazyByteString $ renderSetCookie name)
-
-setSimpleCookie :: (Monad m) => Conf -> TS.Text -> TS.Text -> ActionT e m ()
-setSimpleCookie conf name value = setCookie $ makeSimpleCookie conf name value
-
-getCookie :: (Monad m, ScottyError e) => TS.Text -> ActionT e m (Maybe TS.Text)
-getCookie name = liftM (Map.lookup name) getCookies
-
-getCookies :: (Monad m, ScottyError e) => ActionT e m (Map.Map TS.Text TS.Text)
-getCookies =
-  liftM (Map.fromList . maybe [] parse) $ header "Cookie"
-  where parse = parseCookiesText . BSL.toStrict . TL.encodeUtf8
-
-deleteCookie :: (Monad m) => Conf -> TS.Text -> ActionT e m ()
-deleteCookie conf name = setCookie $ (makeSimpleCookie conf name "") { setCookieExpires = Just $ posixSecondsToUTCTime 0 }
diff --git a/server/src/Design/Appearing.hs b/server/src/Design/Appearing.hs
deleted file mode 100644
index 79b94b3..0000000
--- a/server/src/Design/Appearing.hs
+++ /dev/null
@@ -1,25 +0,0 @@
-module Design.Appearing
-  ( design
-  ) where
-
-import           Clay
-
-design :: Css
-design = do
-
-  appearKeyframe
-
-  ".g-Appearing" ? do
-    appearAnimation
-
-appearAnimation :: Css
-appearAnimation = do
-  animationName "appear"
-  animationDuration (sec 0.2)
-  animationTimingFunction easeIn
-
-appearKeyframe :: Css
-appearKeyframe = keyframes
-  "appear"
-  [ (0, "opacity" -: "0")
-  ]
diff --git a/server/src/Design/Color.hs b/server/src/Design/Color.hs
deleted file mode 100644
index e7f5aec..0000000
--- a/server/src/Design/Color.hs
+++ /dev/null
@@ -1,40 +0,0 @@
-module Design.Color where
-
-import           Clay
-import qualified Clay.Color as C
-import           Data.Text  (Text)
-
--- http://chir.ag/projects/name-that-color/#969696
-
-white :: C.Color
-white = C.white
-
-black :: C.Color
-black = C.black
-
-chestnutRose :: C.Color
-chestnutRose = C.rgb 207 92 86
-
-unknown :: C.Color
-unknown = C.rgb 86 92 207
-
-mossGreen :: C.Color
-mossGreen = C.rgb 159 210 165
-
-gothic :: C.Color
-gothic = C.rgb 108 162 164
-
-negroni :: C.Color
-negroni = C.rgb 255 223 196
-
-wildSand :: C.Color
-wildSand = C.rgb 245 245 245
-
-silver :: C.Color
-silver = C.rgb 200 200 200
-
-dustyGray :: C.Color
-dustyGray = C.rgb 150 150 150
-
-toString :: C.Color -> Text
-toString = plain . unValue . value
diff --git a/server/src/Design/Constants.hs b/server/src/Design/Constants.hs
deleted file mode 100644
index a3123d9..0000000
--- a/server/src/Design/Constants.hs
+++ /dev/null
@@ -1,27 +0,0 @@
-module Design.Constants where
-
-import           Clay
-
-iconFontSize :: Size LengthUnit
-iconFontSize = px 32
-
-radius :: Size LengthUnit
-radius = px 3
-
-blockPadding :: Size LengthUnit
-blockPadding = px 15
-
-blockPercentWidth :: Double
-blockPercentWidth = 90
-
-blockPercentMargin :: Double
-blockPercentMargin = (100 - blockPercentWidth) / 2
-
-inputHeight :: Double
-inputHeight = 40
-
-focusLighten :: Color -> Color
-focusLighten baseColor = baseColor +. 20
-
-focusDarken :: Color -> Color
-focusDarken baseColor = baseColor -. 20
diff --git a/server/src/Design/Errors.hs b/server/src/Design/Errors.hs
deleted file mode 100644
index 9f435eb..0000000
--- a/server/src/Design/Errors.hs
+++ /dev/null
@@ -1,53 +0,0 @@
-module Design.Errors
-  ( design
-  ) where
-
-import           Clay
-
-import           Design.Color as Color
-
-design :: Css
-design = do
-  position fixed
-  top (px 20)
-  left (pct 50)
-  "transform" -: "translateX(-50%)"
-  margin (px 0) (px 0) (px 0) (px 0)
-  disapearKeyframes
-
-  ".error" ? do
-    disapearAnimation
-    let errorColor = Color.chestnutRose -. 15
-    color errorColor
-    border solid (px 2) errorColor
-    backgroundColor Color.white
-    borderRadius (px 5) (px 5) (px 5) (px 5)
-    padding (px 5) (px 5) (px 5) (px 5)
-
-    before & display none
-
-disapearAnimation :: Css
-disapearAnimation = do
-  animationName "disapear"
-  animationDelay (sec 5)
-  animationDuration (sec 1)
-  animationFillMode forwards
-
-disapearKeyframes :: Css
-disapearKeyframes = keyframes
-  "disapear"
-  [ ( 10
-    , do
-        opacity 0
-        height (px 40)
-        lineHeight (px 40)
-        marginBottom (px 10)
-    )
-  , ( 100
-    , do
-        opacity 0
-        height (px 0)
-        lineHeight (px 0)
-        marginBottom (px 0)
-    )
-  ]
diff --git a/server/src/Design/Form.hs b/server/src/Design/Form.hs
deleted file mode 100644
index 5713bfe..0000000
--- a/server/src/Design/Form.hs
+++ /dev/null
@@ -1,101 +0,0 @@
-module Design.Form
-  ( design
-  ) where
-
-import           Data.Monoid  ((<>))
-
-import           Clay
-
-import           Design.Color as Color
-
-design :: Css
-design = do
-
-  let inputHeight = 30
-  let inputTop = 22
-  let inputPaddingBottom = 3
-
-  ".textInput" ? do
-    position relative
-    marginBottom (em 2)
-    paddingTop (px inputTop)
-    marginTop (px (-10))
-
-    input ? do
-      width (pct 100)
-      position relative
-      backgroundColor transparent
-      paddingBottom (px inputPaddingBottom)
-      paddingRight (px 14) -- Space for the delete icon
-      borderStyle none
-      borderBottom solid (px 1) Color.dustyGray
-      marginBottom (px 5)
-      height (px inputHeight)
-      lineHeight (px inputHeight)
-      focus & do
-        borderWidth (px 2)
-        paddingBottom (px $ inputPaddingBottom - 1)
-
-    ".label" ? do
-      zIndex (-1)
-      color Color.silver
-      lineHeight (px inputHeight)
-      position absolute
-      top (px inputTop)
-      left (px 0)
-      transition "all" (sec 0.2) easeInOut (sec 0)
-
-    button ? do
-      position absolute
-      right (px 0)
-      top (px 27)
-      svg ? "path" ?
-        ("fill" -: Color.toString Color.silver)
-      hover & svg ? "path" ?
-        ("fill" -: Color.toString (Color.silver -. 25))
-
-    (input # ".filled" |+ ".label") <> (input # focus |+ ".label") ? do
-      top (px 0)
-      fontSize (pct 80)
-
-    ".error" & do
-      input ? do
-        borderBottomColor Color.chestnutRose
-
-      ".errorMessage" ? do
-        position absolute
-        color Color.chestnutRose
-        fontSize (pct 80)
-
-  ".colorInput" ? do
-    display flex
-    alignItems center
-    marginBottom (em 1.5)
-
-    input ? do
-      borderColor transparent
-      backgroundColor transparent
-
-  ".selectInput" ? do
-
-    ".label" ? do
-      color Color.silver
-      display block
-      marginBottom (px 10)
-      fontSize (pct 80)
-
-    select ? do
-      width (pct 100)
-      backgroundColor Color.white
-      border solid (px 1) Color.silver
-      sym borderRadius (px 3)
-      sym2 padding (px 5) (px 8)
-      option ? sym2 padding (px 5) (px 8)
-      focus & backgroundColor Color.wildSand
-
-    ".error" & do
-      select ? borderColor Color.chestnutRose
-      ".errorMessage" ? do
-        color Color.chestnutRose
-        fontSize (pct 80)
-        marginTop (em 0.5)
diff --git a/server/src/Design/Global.hs b/server/src/Design/Global.hs
deleted file mode 100644
index c67db7c..0000000
--- a/server/src/Design/Global.hs
+++ /dev/null
@@ -1,165 +0,0 @@
-module Design.Global
-  ( globalDesign
-  ) where
-
-import           Clay
-import           Clay.Color       as C
-import           Data.Text.Lazy   (Text)
-
-import qualified Design.Appearing as Appearing
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Errors    as Errors
-import qualified Design.Form      as Form
-import qualified Design.Helper    as Helper
-import qualified Design.Loadable  as Loadable
-import qualified Design.Media     as Media
-import qualified Design.Modal     as Modal
-import qualified Design.Tooltip   as Tooltip
-import qualified Design.Views     as Views
-
-globalDesign :: Text
-globalDesign = renderWith compact [] global
-
-global :: Css
-global = do
-  ".errors" ? Errors.design
-  Appearing.design
-  Modal.design
-  ".tooltip" ? Tooltip.design
-  Views.design
-  Form.design
-  Loadable.design
-
-  spinKeyframes
-  appearKeyframe
-
-  html ? do
-    height (pct 100)
-
-  "g-Body--Modal" ?
-    overflowY hidden
-
-  body ? do
-    position relative
-    minWidth (px 320)
-    height (pct 100)
-    fontFamily ["Cantarell"] [sansSerif]
-    Media.tablet $ do
-      fontSize (px 15)
-      button ? fontSize (px 15)
-      input ? fontSize (px 15)
-    Media.mobile $ do
-      fontSize (px 14)
-      button ? fontSize (px 14)
-      input ? fontSize (px 14)
-
-  ".app" ? do
-    appearAnimation
-    display flex
-    height (pct 100)
-    flexDirection column
-
-  -- "main" ?
-  --   appearAnimation
-
-  ".pageSpinner" ? do
-    display flex
-    alignItems center
-    justifyContent center
-    flexGrow 1
-
-  ".spinner" ? do
-    display flex
-    alignItems center
-    justifyContent center
-    width (pct 100)
-    height (pct 100)
-    paddingBottom (pct 10)
-
-    before & do
-      display block
-      content (stringContent "")
-      width (px 50)
-      height (px 50)
-      border solid (px 3) (C.setA 0.3 Color.chestnutRose)
-      sym borderRadius (pct 50)
-      borderTopColor Color.chestnutRose
-      spinKeyframes
-      spinAnimation
-
-  a ? cursor pointer
-
-  input ? fontSize inherit
-
-  h1 ? do
-    color Color.chestnutRose
-    lineHeight (em 1.3)
-
-    Media.desktop $ fontSize (px 24)
-    Media.tablet $ fontSize (px 22)
-    Media.mobile $ fontSize (px 20)
-
-  ul ? do
-    "margin-top" -: "1vh"
-    "margin-bottom" -: "3vh"
-    "margin-left" -: "1vh"
-    li <? do
-      "margin-bottom" -: "2vh"
-      before & do
-        content (stringContent "• ")
-        color Color.chestnutRose
-        "margin-right" -: "0.3vw"
-      ul <? do
-        "margin-left" -: "3vh"
-        "margin-top" -: "2vh"
-
-  ".dialog" ? ".content" ? button ? do
-    ".confirm" & Helper.button Color.chestnutRose Color.white (px Constants.inputHeight) Constants.focusLighten
-    ".undo" & Helper.button Color.silver Color.white (px Constants.inputHeight) Constants.focusLighten
-
-  svg ? height (pct 100)
-
-  button ? do
-    position relative
-
-    ".content" ? do
-      display flex
-
-    svg # ".loader" ? do
-      display none
-      position absolute
-
-    ".waiting" & do
-      ".content" ? do
-        opacity 0
-      svg # ".loader" ? do
-        display block
-        spinAnimation
-
-  select ? cursor pointer
-
-spinAnimation :: Css
-spinAnimation = do
-  animationName "rotate"
-  animationDuration (sec 1)
-  animationTimingFunction easeInOut
-  animationIterationCount infinite
-
-spinKeyframes :: Css
-spinKeyframes = keyframes
-  "rotate"
-  [ (100, "transform" -: "rotate(360deg)")
-  ]
-
-appearAnimation :: Css
-appearAnimation = do
-  animationName "appear"
-  animationDuration (sec 0.2)
-  animationTimingFunction easeIn
-
-appearKeyframe :: Css
-appearKeyframe = keyframes
-  "appear"
-  [ (0, "opacity" -: "0")
-  ]
diff --git a/server/src/Design/Helper.hs b/server/src/Design/Helper.hs
deleted file mode 100644
index e586d56..0000000
--- a/server/src/Design/Helper.hs
+++ /dev/null
@@ -1,48 +0,0 @@
-module Design.Helper
-  ( clearFix
-  , button
-  , centeredWithMargin
-  , verticalCentering
-  ) where
-
-import           Prelude          hiding (span)
-
-import           Clay             hiding (button)
-
-import           Design.Constants
-
-clearFix :: Css
-clearFix =
-  after & do
-    content (stringContent "")
-    display displayTable
-    clear both
-
-button :: Color -> Color -> Size a -> (Color -> Color) -> Css
-button backgroundCol textCol h focusOp = do
-  display flex
-  alignItems center
-  justifyContent center
-  backgroundColor backgroundCol
-  padding (px 0) (px 10) (px 0) (px 10)
-  color textCol
-  borderRadius radius radius radius radius
-  verticalAlign middle
-  cursor pointer
-  lineHeight h
-  height h
-  textAlign (alignSide sideCenter)
-  hover & backgroundColor (focusOp backgroundCol)
-  focus & backgroundColor (focusOp backgroundCol)
-
-centeredWithMargin :: Css
-centeredWithMargin = do
-  width (pct blockPercentWidth)
-  marginLeft auto
-  marginRight auto
-
-verticalCentering :: Css
-verticalCentering = do
-  position absolute
-  top (pct 50)
-  "transform" -: "translateY(-50%)"
diff --git a/server/src/Design/Loadable.hs b/server/src/Design/Loadable.hs
deleted file mode 100644
index 6b13f2d..0000000
--- a/server/src/Design/Loadable.hs
+++ /dev/null
@@ -1,29 +0,0 @@
-module Design.Loadable
-  ( design
-  ) where
-
-import           Clay
-
-design :: Css
-design = do
-  ".g-Loadable" ? do
-    position relative
-    width (pct 100)
-    height (pct 100)
-
-  ".g-Loadable__Spinner" ? do
-    position absolute
-    top (px 0)
-    left (px 0)
-    width (pct 100)
-    height (pct 100)
-    display none
-
-  ".g-Loadable__Spinner--Loading" ? do
-    display block
-
-  ".g-Loadable__Content" ?
-    transition "opacity" (sec 0.4) ease (sec 0)
-
-  ".g-Loadable__Content--Loading" ?
-    opacity 0.5
diff --git a/server/src/Design/Media.hs b/server/src/Design/Media.hs
deleted file mode 100644
index 19a3b8c..0000000
--- a/server/src/Design/Media.hs
+++ /dev/null
@@ -1,36 +0,0 @@
-module Design.Media
-  ( mobile
-  , mobileTablet
-  , tablet
-  , tabletDesktop
-  , desktop
-  ) where
-
-import           Clay            hiding (query)
-import qualified Clay
-import qualified Clay.Media      as Media
-import           Clay.Stylesheet (Feature)
-
-mobile :: Css -> Css
-mobile = query [Media.maxWidth mobileTabletLimit]
-
-mobileTablet :: Css -> Css
-mobileTablet = query [Media.maxWidth tabletDesktopLimit]
-
-tablet :: Css -> Css
-tablet = query [Media.minWidth mobileTabletLimit, Media.maxWidth tabletDesktopLimit]
-
-tabletDesktop :: Css -> Css
-tabletDesktop = query [Media.minWidth mobileTabletLimit]
-
-desktop :: Css -> Css
-desktop = query [Media.minWidth tabletDesktopLimit]
-
-query :: [Feature] -> Css -> Css
-query = Clay.query Media.screen
-
-mobileTabletLimit :: Size LengthUnit
-mobileTabletLimit = (px 520)
-
-tabletDesktopLimit :: Size LengthUnit
-tabletDesktopLimit = (px 950)
diff --git a/server/src/Design/Modal.hs b/server/src/Design/Modal.hs
deleted file mode 100644
index 1195e10..0000000
--- a/server/src/Design/Modal.hs
+++ /dev/null
@@ -1,69 +0,0 @@
-module Design.Modal
-  ( design
-  ) where
-
-import           Clay
-import           Data.Monoid              ((<>))
-
-import qualified Design.View.Payment.Form as Form
-
-design :: Css
-design = do
-
-  appearKeyframe
-
-  ".g-Modal" ? do
-    display none
-    appearAnimation
-    transition "all" (sec 0.2) ease (sec 0)
-    opacity 0
-
-  ".g-Modal--Show" & do
-    display block
-    opacity 1
-
-  ".g-Modal--Hiding" & do
-    display block
-
-  ".g-Modal__Curtain" ? do
-    position fixed
-    top (px 0)
-    left (px 0)
-    width (pct 100)
-    height (pct 100)
-    backgroundColor (rgba 0 0 0 0.6)
-    zIndex 1
-
-  ".g-Modal__Content" ? do
-    minWidth (px 300)
-    position fixed
-    top (pct 25)
-    left (pct 50)
-    "transform" -: "translate(-50%, -25%)"
-    zIndex 1
-    backgroundColor white
-    sym borderRadius (px 5)
-    boxShadow . pure . bsColor (rgba 0 0 0 0.5) $ shadowWithBlur (px 0) (px 0) (px 15)
-
-    ".form" ? Form.design
-
-  ".paymentModal" & do
-    ".radioGroup" ? ".title" ? display none
-    ".selectInput" ? do
-      select ? width (pct 100)
-      marginBottom (em 1)
-
-  ".deletePaymentModal" <> ".deleteIncomeModal" ? do
-    h1 ? marginBottom (em 1.5)
-
-appearAnimation :: Css
-appearAnimation = do
-  animationName "appear"
-  animationDuration (sec 0.15)
-  animationTimingFunction easeIn
-
-appearKeyframe :: Css
-appearKeyframe = keyframes
-  "appear"
-  [ (0, "opacity" -: "0")
-  ]
diff --git a/server/src/Design/Tooltip.hs b/server/src/Design/Tooltip.hs
deleted file mode 100644
index eef804e..0000000
--- a/server/src/Design/Tooltip.hs
+++ /dev/null
@@ -1,14 +0,0 @@
-module Design.Tooltip
-  ( design
-  ) where
-
-import           Clay
-
-import           Design.Color as Color
-
-design :: Css
-design = do
-  backgroundColor Color.mossGreen
-  borderRadius (px 5) (px 5) (px 5) (px 5)
-  padding (px 5) (px 5) (px 5) (px 5)
-  color Color.white
diff --git a/server/src/Design/View/ConfirmDialog.hs b/server/src/Design/View/ConfirmDialog.hs
deleted file mode 100644
index 410d4d8..0000000
--- a/server/src/Design/View/ConfirmDialog.hs
+++ /dev/null
@@ -1,36 +0,0 @@
-module Design.View.ConfirmDialog
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Helper    as Helper
-
-design :: Css
-design = do
-  ".confirm" ? do
-    ".confirmHeader" ? do
-      backgroundColor Color.chestnutRose
-      fontSize (px 18)
-      color Color.white
-      sym padding (px 20)
-      textAlign (alignSide sideCenter)
-      borderRadius (px 5) (px 5) (px 0) (px 0)
-
-    ".confirmContent" ? do
-      sym padding (px 20)
-
-      ".buttons" ? do
-        display flex
-        justifyContent spaceAround
-        marginTop (em 1.5)
-
-        ".confirm" ?
-          Helper.button Color.chestnutRose Color.white (px Constants.inputHeight) Constants.focusLighten
-        ".undo" ?
-          Helper.button Color.silver Color.white (px Constants.inputHeight) Constants.focusLighten
-
-        (".confirm" <> ".undo") ?
-          width (px 90)
diff --git a/server/src/Design/View/Header.hs b/server/src/Design/View/Header.hs
deleted file mode 100644
index 2ad0455..0000000
--- a/server/src/Design/View/Header.hs
+++ /dev/null
@@ -1,93 +0,0 @@
-module Design.View.Header
-  ( design
-  ) where
-
-import           Data.Monoid  ((<>))
-
-import           Clay
-
-import           Design.Color as Color
-import qualified Design.Media as Media
-
-desktopLineHeight :: Double
-desktopLineHeight = 80
-
-tabletLineHeight :: Double
-tabletLineHeight = 60
-
-mobileLineHeight :: Double
-mobileLineHeight = 40
-
-design :: Css
-design = do
-  display flex
-  "flex-wrap" -: "wrap"
-  position relative
-  backgroundColor Color.chestnutRose
-  color Color.white
-
-  Media.desktop $ do
-    minHeight (px desktopLineHeight)
-    lineHeight (px desktopLineHeight)
-    marginBottom (em 3)
-  Media.tablet $ do
-    minHeight (px (tabletLineHeight * 2))
-    lineHeight (px tabletLineHeight)
-    marginBottom (em 2)
-  Media.mobile $ do
-    minHeight (px (mobileLineHeight * 2))
-    lineHeight (px mobileLineHeight)
-    marginBottom (em 1.5)
-
-  ".title" <> ".item" ? do
-      Media.tabletDesktop $ sym2 padding (px 0) (px 20)
-      Media.mobile $ sym2 padding (px 0) (px 10)
-
-  ".title" ? do
-    textAlign (alignSide sideLeft)
-
-    Media.desktop $ do
-      fontSize (px 35)
-      display inlineBlock
-    Media.tablet $ do
-      fontSize (px 28)
-      display inlineBlock
-      width (pct 100)
-    Media.mobile $ do
-      fontSize (px 22)
-      width (pct 100)
-
-  ".item" ? do
-    display inlineBlock
-    transition "background-color" (ms 50) easeIn (sec 0)
-    ".current" & backgroundColor (Color.chestnutRose -. 20)
-    Media.mobile $ fontSize (px 13)
-
-  (".item" # hover) <> (".item" # focus) ?
-    backgroundColor (Color.chestnutRose +. 10)
-
-  (".item.current" # hover) <> (".item.current" # focus) ?
-    backgroundColor (Color.chestnutRose -. 10)
-
-  ".nameSignOut" ? do
-    display flex
-    position absolute
-    top (px 0)
-    right (px 0)
-
-    Media.desktop $ height (px desktopLineHeight)
-    Media.tablet $ height (px tabletLineHeight)
-    Media.mobile $ height (px mobileLineHeight)
-
-    ".name" ? do
-      Media.mobile $ display none
-      Media.tabletDesktop $ sym2 padding (px 0) (px 20)
-
-    ".signOut" ? do
-      display flex
-      justifyContent center
-      alignItems center
-      svg ? do
-        Media.tabletDesktop $ width (px 30)
-        Media.mobile $ width (px 20)
-        "path" ? ("fill" -: "white")
diff --git a/server/src/Design/View/NotFound.hs b/server/src/Design/View/NotFound.hs
deleted file mode 100644
index 150c6fc..0000000
--- a/server/src/Design/View/NotFound.hs
+++ /dev/null
@@ -1,21 +0,0 @@
-module Design.View.NotFound
-  ( design
-  ) where
-
-import           Clay
-import           Prelude      hiding (rem)
-
-import qualified Design.Color as Color
-
-design :: Css
-design = do
-
-  marginLeft (rem 3)
-
-  ".link" ? do
-    display block
-    marginTop (rem 1)
-    color Color.chestnutRose
-    textDecoration underline
-    hover &
-      color (Color.chestnutRose +. 15)
diff --git a/server/src/Design/View/Pages.hs b/server/src/Design/View/Pages.hs
deleted file mode 100644
index 1482ef4..0000000
--- a/server/src/Design/View/Pages.hs
+++ /dev/null
@@ -1,55 +0,0 @@
-module Design.View.Pages
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Helper    as Helper
-import qualified Design.Media     as Media
-
-design :: Css
-design =
-  ".pages" ? do
-    display flex
-    justifyContent center
-
-    Media.desktop $ do
-      padding (px 40) (px 30) (px 30) (px 30)
-
-    Media.tablet $ do
-      padding (px 30) (px 30) (px 30) (px 30)
-
-    Media.mobile $ do
-      padding (px 20) (px 0) (px 20) (px 0)
-      lineHeight (px 40)
-
-    svg ? "path" ? ("fill" -: Color.toString Color.dustyGray)
-
-    ".page" ? do
-      display inlineBlock
-      fontWeight bold
-
-      Media.desktop $ do
-        Helper.button Color.white Color.dustyGray (px 50) Constants.focusDarken
-
-      Media.tabletDesktop $ do
-        border solid (px 2) Color.dustyGray
-        marginRight (px 10)
-
-      Media.tablet $ do
-        Helper.button Color.white Color.dustyGray (px 40) Constants.focusDarken
-        fontSize (px 15)
-
-      Media.mobile $ do
-        Helper.button Color.white Color.dustyGray (px 30) Constants.focusDarken
-        fontSize (px 12)
-        border solid (px 1) Color.dustyGray
-        marginRight (px 5)
-
-      ":not(.current)" & cursor pointer
-
-      ".current" & do
-        borderColor Color.chestnutRose
-        color Color.chestnutRose
diff --git a/server/src/Design/View/Payment.hs b/server/src/Design/View/Payment.hs
deleted file mode 100644
index 94e4f85..0000000
--- a/server/src/Design/View/Payment.hs
+++ /dev/null
@@ -1,15 +0,0 @@
-module Design.View.Payment
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color                    as Color
-import qualified Design.View.Payment.HeaderForm  as HeaderForm
-import qualified Design.View.Payment.HeaderInfos as HeaderInfos
-
-design :: Css
-design = do
-  HeaderForm.design
-  HeaderInfos.design
-  ".g-Payment__Refund" ? color Color.mossGreen
diff --git a/server/src/Design/View/Payment/Add.hs b/server/src/Design/View/Payment/Add.hs
deleted file mode 100644
index 5ecae7a..0000000
--- a/server/src/Design/View/Payment/Add.hs
+++ /dev/null
@@ -1,35 +0,0 @@
-module Design.View.Payment.Add
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Helper    as Helper
-
-design :: Css
-design = do
-  ".addHeader" ? do
-    backgroundColor Color.chestnutRose
-    fontSize (px 18)
-    color Color.white
-    sym2 padding (px 20) (px 30)
-    textAlign (alignSide sideCenter)
-    borderRadius (px 5) (px 5) (px 0) (px 0)
-
-  ".addContent" ? do
-    sym2 padding (px 20) (px 30)
-
-    ".buttons" ? do
-      display flex
-      justifyContent spaceAround
-      marginTop (em 1.5)
-
-      ".confirm" ?
-        Helper.button Color.chestnutRose Color.white (px Constants.inputHeight) Constants.focusLighten
-      ".undo" ?
-        Helper.button Color.silver Color.white (px Constants.inputHeight) Constants.focusLighten
-
-      (".confirm" <> ".undo") ?
-        width (px 90)
diff --git a/server/src/Design/View/Payment/Form.hs b/server/src/Design/View/Payment/Form.hs
deleted file mode 100644
index aada12b..0000000
--- a/server/src/Design/View/Payment/Form.hs
+++ /dev/null
@@ -1,35 +0,0 @@
-module Design.View.Payment.Form
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Helper    as Helper
-
-design :: Css
-design = do
-  ".formHeader" ? do
-    backgroundColor Color.chestnutRose
-    fontSize (px 18)
-    color Color.white
-    sym2 padding (px 20) (px 30)
-    textAlign (alignSide sideCenter)
-    borderRadius (px 5) (px 5) (px 0) (px 0)
-
-  ".formContent" ? do
-    sym2 padding (px 20) (px 30)
-
-    ".buttons" ? do
-      display flex
-      justifyContent spaceAround
-      marginTop (em 1.5)
-
-      ".confirm" ?
-        Helper.button Color.chestnutRose Color.white (px Constants.inputHeight) Constants.focusLighten
-      ".undo" ?
-        Helper.button Color.silver Color.white (px Constants.inputHeight) Constants.focusLighten
-
-      (".confirm" <> ".undo") ?
-        width (px 90)
diff --git a/server/src/Design/View/Payment/HeaderForm.hs b/server/src/Design/View/Payment/HeaderForm.hs
deleted file mode 100644
index 6081443..0000000
--- a/server/src/Design/View/Payment/HeaderForm.hs
+++ /dev/null
@@ -1,40 +0,0 @@
-module Design.View.Payment.HeaderForm
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Helper    as Helper
-import qualified Design.Media     as Media
-
-design :: Css
-design = do
-
-  ".g-PaymentHeaderForm" ? do
-    marginBottom (em 2)
-    marginLeft (pct Constants.blockPercentMargin)
-    marginRight (pct Constants.blockPercentMargin)
-    display flex
-    justifyContent spaceBetween
-    alignItems center
-    Media.mobile $ flexDirection column
-
-    ".textInput" ? do
-      display inlineBlock
-      marginBottom (px 0)
-
-      Media.tabletDesktop $ marginRight (px 30)
-      Media.mobile $ do
-        marginBottom (em 1)
-        width (pct 100)
-
-    ".selectInput" ? do
-      Media.tabletDesktop $ display inlineBlock
-      Media.mobile $ marginBottom (em 2)
-
-    ".addPayment" ? do
-      Helper.button Color.chestnutRose Color.white (px Constants.inputHeight) Constants.focusLighten
-      Media.mobile $ width (pct 100)
-      flexShrink 0
diff --git a/server/src/Design/View/Payment/HeaderInfos.hs b/server/src/Design/View/Payment/HeaderInfos.hs
deleted file mode 100644
index acb393b..0000000
--- a/server/src/Design/View/Payment/HeaderInfos.hs
+++ /dev/null
@@ -1,50 +0,0 @@
-module Design.View.Payment.HeaderInfos
-  ( design
-  ) where
-
-import           Data.Monoid      ((<>))
-
-import           Clay
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Media     as Media
-
-design :: Css
-design = do
-
-  ".g-PaymentHeaderInfos" ? do
-    Media.desktop $ marginBottom (em 2)
-    Media.mobileTablet $ marginBottom (em 1)
-    marginLeft (pct Constants.blockPercentMargin)
-    marginRight (pct Constants.blockPercentMargin)
-
-  ".g-PaymentHeaderInfos__ExceedingPayers" ? do
-    backgroundColor Color.mossGreen
-    borderRadius (px 5) (px 5) (px 5) (px 5)
-    color Color.white
-    lineHeight (px Constants.inputHeight)
-    paddingLeft (px 10)
-    paddingRight (px 10)
-    marginBottom (em 1)
-
-    Media.mobile $ do
-      textAlign (alignSide sideCenter)
-
-    ".exceedingPayer:not(:last-child)::after" ? content (stringContent ", ")
-
-    ".userName" ? marginRight (px 8)
-
-  ".g-PaymentHeaderInfos__Repartition" ? do
-    Media.tabletDesktop $ lineHeight (px Constants.inputHeight)
-    Media.mobile $ lineHeight (px 25)
-
-    ".total" <> ".partition" ? do
-      Media.mobileTablet $ display block
-      Media.mobile $ do
-        fontSize (pct 90)
-        textAlign (alignSide sideCenter)
-
-    ".partition" ? do
-      color Color.dustyGray
-      Media.desktop $ marginLeft (px 15)
diff --git a/server/src/Design/View/SignIn.hs b/server/src/Design/View/SignIn.hs
deleted file mode 100644
index 42c9621..0000000
--- a/server/src/Design/View/SignIn.hs
+++ /dev/null
@@ -1,36 +0,0 @@
-module Design.View.SignIn
-  ( design
-  ) where
-
-import           Clay
-import           Data.Monoid      ((<>))
-import           Prelude          hiding (rem)
-
-import qualified Design.Color     as Color
-import qualified Design.Constants as Constants
-import qualified Design.Helper    as Helper
-
-design :: Css
-design = do
-  let inputHeight = 50
-  width (px 350)
-  sym2 padding (rem 0) (rem 2)
-  marginTop (px 100)
-  marginLeft auto
-  marginRight auto
-
-  button # ".validate" ? do
-    Helper.button Color.gothic Color.white (px inputHeight) Constants.focusLighten
-    display flex
-    alignItems center
-    justifyContent center
-    width (pct 100)
-    fontSize (em 1.2)
-    svg ? "path" ? ("fill" -: "white")
-
-  ".success" <> ".error" ? do
-    marginTop (px 40)
-    textAlign (alignSide sideCenter)
-
-  ".success" ? color Color.mossGreen
-  ".error" ? color Color.chestnutRose
diff --git a/server/src/Design/View/Stat.hs b/server/src/Design/View/Stat.hs
deleted file mode 100644
index 2e4ecad..0000000
--- a/server/src/Design/View/Stat.hs
+++ /dev/null
@@ -1,17 +0,0 @@
-module Design.View.Stat
-  ( design
-  ) where
-
-import           Clay
-
-design :: Css
-design = do
-  h1 ? paddingBottom (px 0)
-
-  ".exceedingPayers" ? ".userName" ? marginRight (px 5)
-
-  ".mean" ? marginBottom (em 1.5)
-
-  ".g-Chart" ? do
-    width (pct 75)
-    sym2 margin (px 0) auto
diff --git a/server/src/Design/View/Table.hs b/server/src/Design/View/Table.hs
deleted file mode 100644
index 56bd389..0000000
--- a/server/src/Design/View/Table.hs
+++ /dev/null
@@ -1,99 +0,0 @@
-module Design.View.Table
-  ( design
-  ) where
-
-import           Data.Monoid  ((<>))
-
-import           Clay
-
-import           Design.Color as Color
-import qualified Design.Media as Media
-
-design :: Css
-design = do
-  ".emptyTableMsg" ? do
-    margin (em 2) (em 2) (em 2) (em 2)
-    textAlign (alignSide sideCenter)
-
-  ".table" ? do
-    minHeight (px 540)
-
-  ".lines" ? do
-    Media.tabletDesktop $ display displayTable
-    width (pct 100)
-    textAlign (alignSide (sideCenter))
-
-    ".header" <> ".row" ? do
-      Media.tabletDesktop $ display tableRow
-
-    ".header" ? do
-      Media.desktop $ do
-        fontSize (px 18)
-        height (px 70)
-
-      Media.tabletDesktop $ do
-        backgroundColor Color.gothic
-        color Color.white
-
-      Media.tablet $ do
-        fontSize (px 16)
-        height (px 60)
-
-      Media.mobile $ do
-        display none
-
-    ".row" ? do
-      nthChild "even" & backgroundColor Color.wildSand
-
-      Media.desktop $ do
-        fontSize (px 18)
-        height (px 60)
-
-      Media.tablet $ do
-        height (px 50)
-
-      Media.mobile $ do
-        lineHeight (px 25)
-        paddingTop (px 10)
-        paddingBottom (px 10)
-
-    ".cell" ? do
-      Media.tabletDesktop $ display tableCell
-      position relative
-      verticalAlign middle
-
-      firstChild & do
-        Media.mobile $ do
-          fontSize (px 20)
-          lineHeight (px 30)
-          color Color.gothic
-
-      ".refund" & color Color.mossGreen
-
-      Media.desktop $ do
-        ".shortDate" ? display none
-        ".longDate" ? display inline
-      Media.tablet $ do
-        ".shortDate" ? display inline
-        ".longDate" ? display none
-      Media.mobile $ do
-        ".shortDate" ? display none
-        ".longDate" ? display inline
-        marginBottom (em 0.5)
-
-      ".cell.button" & do
-        position relative
-        textAlign (alignSide sideCenter)
-        button ? do
-          padding (px 10) (px 10) (px 10) (px 10)
-          svg ? do
-            "path" ? ("fill" -: Color.toString Color.chestnutRose)
-            width (px 18)
-          hover & "svg path" ? do
-            "fill" -: "rgb(237, 122, 116)"
-
-        Media.tabletDesktop $ width (pct 3)
-
-        Media.mobile $ do
-          display inlineBlock
-          button ? display flex
diff --git a/server/src/Design/Views.hs b/server/src/Design/Views.hs
deleted file mode 100644
index 4552796..0000000
--- a/server/src/Design/Views.hs
+++ /dev/null
@@ -1,56 +0,0 @@
-module Design.Views
-  ( design
-  ) where
-
-import           Clay
-
-import qualified Design.Color              as Color
-import qualified Design.Constants          as Constants
-import qualified Design.Helper             as Helper
-import qualified Design.Media              as Media
-import qualified Design.View.ConfirmDialog as ConfirmDialog
-import qualified Design.View.Header        as Header
-import qualified Design.View.NotFound      as NotFound
-import qualified Design.View.Pages         as Pages
-import qualified Design.View.Payment       as Payment
-import qualified Design.View.SignIn        as SignIn
-import qualified Design.View.Stat          as Stat
-import qualified Design.View.Table         as Table
-
-design :: Css
-design = do
-  header ? Header.design
-  Payment.design
-  ".signIn" ? SignIn.design
-  Stat.design
-  ".notfound" ? NotFound.design
-  Table.design
-  Pages.design
-  ConfirmDialog.design
-
-  ".withMargin" ? do
-    "margin" -: "0 2vw"
-
-  ".titleButton" ? do
-    display flex
-    marginBottom (em 1)
-
-    Media.tabletDesktop $ do
-      justifyContent spaceBetween
-      alignItems center
-
-    Media.mobile $ do
-      flexDirection column
-      "h1" ? marginBottom (em 0.5)
-
-    button ? do
-      Helper.button Color.chestnutRose Color.white (px Constants.inputHeight) Constants.focusLighten
-      Media.mobile $ do
-        width (pct 100)
-        marginBottom (px 20)
-
-  ".tag" ? do
-    sym borderRadius (px 4)
-    sym2 padding (px 2) (px 5)
-    boxShadow . pure . bsColor (rgba 0 0 0 0.3) $ shadowWithBlur (px 2) (px 2) (px 5)
-    color Color.white
diff --git a/server/src/Job/Daemon.hs b/server/src/Job/Daemon.hs
deleted file mode 100644
index d8cd522..0000000
--- a/server/src/Job/Daemon.hs
+++ /dev/null
@@ -1,37 +0,0 @@
-module Job.Daemon
-  ( runDaemons
-  ) where
-
-import           Control.Concurrent (ThreadId, forkIO, threadDelay)
-import           Control.Monad      (forever)
-import           Data.Time.Clock    (UTCTime)
-
-import           Conf               (Conf)
-import           Job.Frequency      (Frequency (..), microSeconds)
-import           Job.Kind           (Kind (..))
-import           Job.Model          (actualizeLastCheck, actualizeLastExecution,
-                                     getLastExecution)
-import           Job.MonthlyPayment (monthlyPayment)
-import           Job.WeeklyReport   (weeklyReport)
-import qualified Model.Query        as Query
-import           Util.Time          (belongToCurrentMonth, belongToCurrentWeek)
-
-runDaemons :: Conf -> IO ()
-runDaemons conf = do
-  _ <- runDaemon MonthlyPayment EveryHour (fmap not . belongToCurrentMonth) monthlyPayment
-  _ <- runDaemon WeeklyReport EveryHour (fmap not . belongToCurrentWeek) (weeklyReport conf)
-  return ()
-
-runDaemon :: Kind -> Frequency -> (UTCTime -> IO Bool) -> (Maybe UTCTime -> IO UTCTime) -> IO ThreadId
-runDaemon kind frequency isLastExecutionTooOld runJob =
-  forkIO . forever $ do
-    mbLastExecution <- Query.run $ do
-      actualizeLastCheck kind
-      getLastExecution kind
-    hasToRun <- case mbLastExecution of
-      Just lastExecution -> isLastExecutionTooOld lastExecution
-      Nothing            -> return True
-    if hasToRun
-      then runJob mbLastExecution >>= (Query.run . actualizeLastExecution kind)
-      else return ()
-    threadDelay . microSeconds $ frequency
diff --git a/server/src/Job/Frequency.hs b/server/src/Job/Frequency.hs
deleted file mode 100644
index c5bef42..0000000
--- a/server/src/Job/Frequency.hs
+++ /dev/null
@@ -1,13 +0,0 @@
-module Job.Frequency
-  ( Frequency(..)
-  , microSeconds
-  ) where
-
-data Frequency =
-  EveryHour
-  | EveryDay
-  deriving (Eq, Read, Show)
-
-microSeconds :: Frequency -> Int
-microSeconds EveryHour = 1000000 * 60 * 60
-microSeconds EveryDay  = (microSeconds EveryHour) * 24
diff --git a/server/src/Job/Kind.hs b/server/src/Job/Kind.hs
deleted file mode 100644
index 17997f7..0000000
--- a/server/src/Job/Kind.hs
+++ /dev/null
@@ -1,23 +0,0 @@
-module Job.Kind
-  ( Kind(..)
-  ) where
-
-import qualified Data.Text                        as T
-import           Database.SQLite.Simple           (SQLData (SQLText))
-import           Database.SQLite.Simple.FromField (FromField (fromField),
-                                                   fieldData)
-import           Database.SQLite.Simple.Ok        (Ok (Errors, Ok))
-import           Database.SQLite.Simple.ToField   (ToField (toField))
-
-data Kind =
-  MonthlyPayment
-  | WeeklyReport
-  deriving (Eq, Show, Read)
-
-instance FromField Kind where
-  fromField field = case fieldData field of
-    SQLText text -> Ok (read (T.unpack text) :: Kind)
-    _            -> Errors [error "SQLText field required for job kind"]
-
-instance ToField Kind where
-  toField kind = SQLText . T.pack . show $ kind
diff --git a/server/src/Job/Model.hs b/server/src/Job/Model.hs
deleted file mode 100644
index 1dd6c63..0000000
--- a/server/src/Job/Model.hs
+++ /dev/null
@@ -1,49 +0,0 @@
-module Job.Model
-  ( Job(..)
-  , getLastExecution
-  , actualizeLastExecution
-  , actualizeLastCheck
-  ) where
-
-import           Data.Time.Clock        (UTCTime, getCurrentTime)
-import           Database.SQLite.Simple (Only (Only))
-import qualified Database.SQLite.Simple as SQLite
-import           Prelude                hiding (id)
-
-import           Job.Kind
-import           Model.Query            (Query (Query))
-
-data Job = Job
-  { id            :: String
-  , kind          :: Kind
-  , lastExecution :: Maybe UTCTime
-  , lastCheck     :: Maybe UTCTime
-  } deriving (Show)
-
-getLastExecution :: Kind -> Query (Maybe UTCTime)
-getLastExecution jobKind =
-  Query (\conn -> do
-    result <- SQLite.query conn "SELECT last_execution FROM job WHERE kind = ?" (Only jobKind) :: IO [Only UTCTime]
-    return $ case result of
-      [Only time] -> Just time
-      _           -> Nothing
-  )
-
-actualizeLastExecution :: Kind -> UTCTime -> Query ()
-actualizeLastExecution jobKind time =
-  Query (\conn -> do
-    result <- SQLite.query conn "SELECT 1 FROM job WHERE kind = ?" (Only jobKind) :: IO [Only Int]
-    let hasJob = case result of
-         [Only _] -> True
-         _        -> False
-    if hasJob
-      then SQLite.execute conn "UPDATE job SET last_execution = ? WHERE kind = ?" (time, jobKind)
-      else SQLite.execute conn "INSERT INTO job (kind, last_execution, last_check) VALUES (?, ?, ?)" (jobKind, time, time)
-  )
-
-actualizeLastCheck :: Kind -> Query ()
-actualizeLastCheck jobKind =
-  Query (\conn -> do
-    now <- getCurrentTime
-    SQLite.execute conn "UPDATE job SET kind = ? WHERE last_check = ?" (jobKind, now)
-  )
diff --git a/server/src/Job/MonthlyPayment.hs b/server/src/Job/MonthlyPayment.hs
deleted file mode 100644
index dfbe8b4..0000000
--- a/server/src/Job/MonthlyPayment.hs
+++ /dev/null
@@ -1,26 +0,0 @@
-module Job.MonthlyPayment
-  ( monthlyPayment
-  ) where
-
-import           Data.Time.Clock     (UTCTime, getCurrentTime)
-
-import           Common.Model        (Frequency (..), Payment (..))
-import qualified Common.Util.Time    as Time
-
-import qualified Model.Query         as Query
-import qualified Persistence.Payment as PaymentPersistence
-
-monthlyPayment :: Maybe UTCTime -> IO UTCTime
-monthlyPayment _ = do
-  monthlyPayments <- Query.run PaymentPersistence.listActiveMonthlyOrderedByName
-  now <- getCurrentTime
-  actualDay <- Time.timeToDay now
-  let punctualPayments = map
-        (\p -> p
-          { _payment_frequency = Punctual
-          , _payment_date = actualDay
-          , _payment_createdAt = now
-          })
-        monthlyPayments
-  _ <- Query.run (PaymentPersistence.createMany punctualPayments)
-  return now
diff --git a/server/src/Job/WeeklyReport.hs b/server/src/Job/WeeklyReport.hs
deleted file mode 100644
index 282f2f1..0000000
--- a/server/src/Job/WeeklyReport.hs
+++ /dev/null
@@ -1,52 +0,0 @@
-module Job.WeeklyReport
-  ( weeklyReport
-  ) where
-
-import qualified Data.Map               as M
-import qualified Data.Time.Clock              as Clock
-import           Data.Time.Clock        (UTCTime, getCurrentTime)
-
-import           Common.Model           (User (..))
-
-import           Conf                   (Conf)
-import qualified Model.Query            as Query
-import qualified Persistence.Income     as IncomePersistence
-import qualified Persistence.Payment    as PaymentPersistence
-import qualified Persistence.User       as UserPersistence
-import qualified SendMail
-import qualified View.Mail.WeeklyReport as WeeklyReport
-
-weeklyReport :: Conf -> Maybe UTCTime -> IO UTCTime
-weeklyReport conf mbLastExecution = do
-  now <- getCurrentTime
-
-  case mbLastExecution of
-    Nothing ->
-      return ()
-
-    Just lastExecution -> do
-      (weekPayments, cumulativeIncome, preIncomeRepartition, postIncomeRepartition, weekIncomes, users) <- Query.run $ do
-        users <- UserPersistence.list
-        paymentRange <- PaymentPersistence.getRange
-        incomeDefinedForAll <- IncomePersistence.definedForAll (_user_id <$> users)
-        cumulativeIncome <-
-          case (incomeDefinedForAll, paymentRange) of
-            (Just incomeStart, Just (paymentStart, _))  ->
-              IncomePersistence.getCumulativeIncome (max incomeStart paymentStart) (Clock.utctDay now)
-
-            _ ->
-              return M.empty
-        weekPayments <- PaymentPersistence.listModifiedPunctualSince lastExecution
-        weekIncomes <- IncomePersistence.listModifiedSince lastExecution
-        (preIncomeRepartition, postIncomeRepartition) <-
-          PaymentPersistence.getPreAndPostPaymentRepartition paymentRange users
-        return (weekPayments, cumulativeIncome, preIncomeRepartition, postIncomeRepartition, weekIncomes, users)
-
-      _ <-
-        SendMail.sendMail
-          conf
-          (WeeklyReport.mail conf users weekIncomes weekPayments cumulativeIncome preIncomeRepartition postIncomeRepartition lastExecution now)
-
-      return ()
-
-  return now
diff --git a/server/src/LoginSession.hs b/server/src/LoginSession.hs
deleted file mode 100644
index 86f1329..0000000
--- a/server/src/LoginSession.hs
+++ /dev/null
@@ -1,52 +0,0 @@
-module LoginSession
-  ( put
-  , get
-  , delete
-  ) where
-
-import           Cookie                 (deleteCookie, getCookie,
-                                         setSimpleCookie)
-import qualified Web.ClientSession      as CS
-import           Web.Scotty             (ActionM)
-
-import           Control.Monad.IO.Class (liftIO)
-
-import           Data.Text              (Text)
-import qualified Data.Text.Encoding     as TE
-
-import           Conf                   (Conf)
-
-sessionName :: Text
-sessionName = "SESSION"
-
-sessionKeyFile :: FilePath
-sessionKeyFile = "sessionKey"
-
-put :: Conf -> Text -> ActionM ()
-put conf value = do
-  encrypted <- liftIO $ encrypt value
-  setSimpleCookie conf sessionName encrypted
-
-encrypt :: Text -> IO Text
-encrypt value = do
-  iv <- CS.randomIV
-  key <- CS.getKey sessionKeyFile
-  return . TE.decodeUtf8 $ CS.encrypt key iv (TE.encodeUtf8 value)
-
-get :: ActionM (Maybe Text)
-get = do
-  maybeEncrypted <- getCookie sessionName
-  case maybeEncrypted of
-    Just encrypted ->
-      liftIO $ decrypt encrypted
-    Nothing ->
-      return Nothing
-
-decrypt :: Text -> IO (Maybe Text)
-decrypt encrypted = do
-  key <- CS.getKey sessionKeyFile
-  let decrypted = TE.decodeUtf8 <$> CS.decrypt key (TE.encodeUtf8 encrypted)
-  return decrypted
-
-delete :: Conf -> ActionM ()
-delete conf = deleteCookie conf sessionName
diff --git a/server/src/Main.hs b/server/src/Main.hs
deleted file mode 100644
index 659a0fa..0000000
--- a/server/src/Main.hs
+++ /dev/null
@@ -1,106 +0,0 @@
-module Main
-  ( main
-  ) where
-
-import qualified Network.HTTP.Types.Status     as Status
-import           Network.Wai.Middleware.Gzip   (GzipFiles (GzipCompress))
-import qualified Network.Wai.Middleware.Gzip   as W
-import           Network.Wai.Middleware.Static
-import qualified Web.Scotty                    as S
-
-import qualified Conf
-import qualified Controller.Category           as Category
-import qualified Controller.Income             as Income
-import qualified Controller.Index              as Index
-import qualified Controller.Payment            as Payment
-import qualified Controller.Statistics         as Statistics
-import qualified Controller.User               as User
-import qualified Design.Global                 as Design
-import           Job.Daemon                    (runDaemons)
-
-main :: IO ()
-main = do
-  conf <- Conf.get "application.conf"
-  putStrLn . show $ conf
-  _ <- runDaemons conf
-  S.scotty (Conf.port conf) $ do
-
-    S.middleware $
-      W.gzip $ W.def { W.gzipFiles = GzipCompress }
-
-    S.middleware . staticPolicy $
-      noDots >-> addBase "public"
-
-    S.get "/css/main.css" $ do
-      S.setHeader "Content-Type" "text/css"
-      S.text Design.globalDesign
-
-    S.post "/api/signIn" $
-      S.jsonData >>= Index.signIn conf
-
-    S.post "/api/signOut" $
-      Index.signOut conf
-
-    S.get "/api/users"$
-      User.list
-
-    S.get "/api/payments" $ do
-      frequency <- S.param "frequency"
-      page <- S.param "page"
-      perPage <- S.param "perPage"
-      search <- S.param "search"
-      Payment.list (read frequency) page perPage search
-
-    S.get "/api/payment/category" $ do
-      name <- S.param "name"
-      Payment.searchCategory name
-
-    S.post "/api/payment" $
-      S.jsonData >>= Payment.create
-
-    S.put "/api/payment" $
-      S.jsonData >>= Payment.edit
-
-    S.delete "/api/payment/:id" $ do
-      paymentId <- S.param "id"
-      Payment.delete paymentId
-
-    S.get "/api/incomes" $ do
-      page <- S.param "page"
-      perPage <- S.param "perPage"
-      Income.list page perPage
-
-    S.post "/api/income" $
-      S.jsonData >>= Income.create
-
-    S.put "/api/income" $
-      S.jsonData >>= Income.edit
-
-    S.delete "/api/income/:id" $ do
-      incomeId <- S.param "id"
-      Income.delete incomeId
-
-    S.get "/api/allCategories" $ do
-      Category.listAll
-
-    S.get "/api/categories" $ do
-      page <- S.param "page"
-      perPage <- S.param "perPage"
-      Category.list page perPage
-
-    S.post "/api/category" $
-      S.jsonData >>= Category.create
-
-    S.put "/api/category" $
-      S.jsonData >>= Category.edit
-
-    S.delete "/api/category/:id" $ do
-      categoryId <- S.param "id"
-      Category.delete categoryId
-
-    S.get "/api/statistics" $ do
-      Statistics.paymentsAndIncomes
-
-    S.notFound $ do
-      S.status Status.ok200
-      Index.get conf
diff --git a/server/src/Model/CreateCategory.hs b/server/src/Model/CreateCategory.hs
deleted file mode 100644
index dae061b..0000000
--- a/server/src/Model/CreateCategory.hs
+++ /dev/null
@@ -1,10 +0,0 @@
-module Model.CreateCategory
-  ( CreateCategory(..)
-  ) where
-
-import           Data.Text (Text)
-
-data CreateCategory = CreateCategory
-  { _createCategory_name  :: Text
-  , _createCategory_color :: Text
-  } deriving (Show)
diff --git a/server/src/Model/CreateIncome.hs b/server/src/Model/CreateIncome.hs
deleted file mode 100644
index 82451d2..0000000
--- a/server/src/Model/CreateIncome.hs
+++ /dev/null
@@ -1,10 +0,0 @@
-module Model.CreateIncome
-  ( CreateIncome(..)
-  ) where
-
-import           Data.Time.Calendar (Day)
-
-data CreateIncome = CreateIncome
-  { _createIncome_amount :: Int
-  , _createIncome_date   :: Day
-  } deriving (Show)
diff --git a/server/src/Model/CreatePayment.hs b/server/src/Model/CreatePayment.hs
deleted file mode 100644
index b25d2a4..0000000
--- a/server/src/Model/CreatePayment.hs
+++ /dev/null
@@ -1,16 +0,0 @@
-module Model.CreatePayment
-  ( CreatePayment(..)
-  ) where
-
-import           Data.Text          (Text)
-import           Data.Time.Calendar (Day)
-
-import           Common.Model       (CategoryId, Frequency)
-
-data CreatePayment = CreatePayment
-  { _createPayment_name      :: Text
-  , _createPayment_cost      :: Int
-  , _createPayment_date      :: Day
-  , _createPayment_category  :: CategoryId
-  , _createPayment_frequency :: Frequency
-  } deriving (Show)
diff --git a/server/src/Model/EditCategory.hs b/server/src/Model/EditCategory.hs
deleted file mode 100644
index 8ee26ac..0000000
--- a/server/src/Model/EditCategory.hs
+++ /dev/null
@@ -1,13 +0,0 @@
-module Model.EditCategory
-  ( EditCategory(..)
-  ) where
-
-import           Data.Text    (Text)
-
-import           Common.Model (CategoryId)
-
-data EditCategory = EditCategory
-  { _editCategory_id    :: CategoryId
-  , _editCategory_name  :: Text
-  , _editCategory_color :: Text
-  } deriving (Show)
diff --git a/server/src/Model/EditIncome.hs b/server/src/Model/EditIncome.hs
deleted file mode 100644
index ac3d311..0000000
--- a/server/src/Model/EditIncome.hs
+++ /dev/null
@@ -1,13 +0,0 @@
-module Model.EditIncome
-  ( EditIncome(..)
-  ) where
-
-import           Data.Time.Calendar (Day)
-
-import           Common.Model       (IncomeId)
-
-data EditIncome = EditIncome
-  { _editIncome_id     :: IncomeId
-  , _editIncome_amount :: Int
-  , _editIncome_date   :: Day
-  } deriving (Show)
diff --git a/server/src/Model/EditPayment.hs b/server/src/Model/EditPayment.hs
deleted file mode 100644
index ac4c906..0000000
--- a/server/src/Model/EditPayment.hs
+++ /dev/null
@@ -1,17 +0,0 @@
-module Model.EditPayment
-  ( EditPayment(..)
-  ) where
-
-import           Data.Text          (Text)
-import           Data.Time.Calendar (Day)
-
-import           Common.Model       (CategoryId, Frequency, PaymentId)
-
-data EditPayment = EditPayment
-  { _editPayment_id        :: PaymentId
-  , _editPayment_name      :: Text
-  , _editPayment_cost      :: Int
-  , _editPayment_date      :: Day
-  , _editPayment_category  :: CategoryId
-  , _editPayment_frequency :: Frequency
-  } deriving (Show)
diff --git a/server/src/Model/HashedPassword.hs b/server/src/Model/HashedPassword.hs
deleted file mode 100644
index c71e372..0000000
--- a/server/src/Model/HashedPassword.hs
+++ /dev/null
@@ -1,27 +0,0 @@
-module Model.HashedPassword
-  ( hash
-  , check
-  , HashedPassword(..)
-  ) where
-
-import qualified Crypto.BCrypt         as BCrypt
-import           Data.Text             (Text)
-import qualified Data.Text.Encoding    as TE
-
-import           Common.Model.Password (Password (..))
-
-newtype HashedPassword = HashedPassword Text deriving (Show)
-
-hash :: Password -> IO (Maybe HashedPassword)
-hash (Password p) = do
-  hashed <- BCrypt.hashPasswordUsingPolicy BCrypt.slowerBcryptHashingPolicy (TE.encodeUtf8 p)
-  case hashed of
-    Nothing ->
-      return Nothing
-
-    Just h ->
-      return . Just . HashedPassword . TE.decodeUtf8 $ h
-
-check :: Password -> HashedPassword -> Bool
-check (Password p) (HashedPassword h) =
-  BCrypt.validatePassword (TE.encodeUtf8 h) (TE.encodeUtf8 p)
diff --git a/server/src/Model/IncomeResource.hs b/server/src/Model/IncomeResource.hs
deleted file mode 100644
index 6ab5f18..0000000
--- a/server/src/Model/IncomeResource.hs
+++ /dev/null
@@ -1,15 +0,0 @@
-module Model.IncomeResource
-  ( IncomeResource(..)
-  ) where
-
-import           Common.Model (Income (..))
-
-import           Resource     (Resource, resourceCreatedAt, resourceDeletedAt,
-                               resourceEditedAt)
-
-newtype IncomeResource = IncomeResource Income
-
-instance Resource IncomeResource where
-  resourceCreatedAt (IncomeResource i) = _income_createdAt i
-  resourceEditedAt (IncomeResource i) = _income_editedAt i
-  resourceDeletedAt (IncomeResource i) = _income_deletedAt i
diff --git a/server/src/Model/Mail.hs b/server/src/Model/Mail.hs
deleted file mode 100644
index 780efcc..0000000
--- a/server/src/Model/Mail.hs
+++ /dev/null
@@ -1,12 +0,0 @@
-module Model.Mail
-  ( Mail(..)
-  ) where
-
-import           Data.Text (Text)
-
-data Mail = Mail
-  { from    :: Text
-  , to      :: [Text]
-  , subject :: Text
-  , body    :: Text
-  } deriving (Eq, Show)
diff --git a/server/src/Model/PaymentResource.hs b/server/src/Model/PaymentResource.hs
deleted file mode 100644
index 1ea978c..0000000
--- a/server/src/Model/PaymentResource.hs
+++ /dev/null
@@ -1,15 +0,0 @@
-module Model.PaymentResource
-  ( PaymentResource(..)
-  ) where
-
-import           Common.Model (Payment (..))
-
-import           Resource     (Resource, resourceCreatedAt, resourceDeletedAt,
-                               resourceEditedAt)
-
-newtype PaymentResource = PaymentResource Payment
-
-instance Resource PaymentResource where
-  resourceCreatedAt (PaymentResource p) = _payment_createdAt p
-  resourceEditedAt (PaymentResource p) = _payment_editedAt p
-  resourceDeletedAt (PaymentResource p) = _payment_deletedAt p
diff --git a/server/src/Model/Query.hs b/server/src/Model/Query.hs
deleted file mode 100644
index 22ae95b..0000000
--- a/server/src/Model/Query.hs
+++ /dev/null
@@ -1,32 +0,0 @@
-module Model.Query
-  ( Query(..)
-  , run
-  ) where
-
-import           Data.Functor           (Functor)
-import           Database.SQLite.Simple (Connection)
-import qualified Database.SQLite.Simple as SQLite
-
-data Query a = Query (Connection -> IO a)
-
-instance Functor Query where
-  fmap f (Query call) = Query (fmap f . call)
-
-instance Applicative Query where
-  pure x = Query (const $ return x)
-  (Query callF) <*> (Query callX) = Query (\conn -> do
-    x <- callX conn
-    f <- callF conn
-    return (f x))
-
-instance Monad Query where
-  (Query callX) >>= f = Query (\conn -> do
-    x <- callX conn
-    case f x of Query callY -> callY conn)
-
-run :: Query a -> IO a
-run (Query call) = do
-  conn <- SQLite.open "database"
-  result <- call conn
-  _ <- SQLite.close conn
-  return result
diff --git a/server/src/Model/SignIn.hs b/server/src/Model/SignIn.hs
deleted file mode 100644
index a217bae..0000000
--- a/server/src/Model/SignIn.hs
+++ /dev/null
@@ -1,10 +0,0 @@
-module Model.SignIn
-  ( SignIn(..)
-  ) where
-
-import           Common.Model (Email, Password)
-
-data SignIn = SignIn
-  { _signIn_email    :: Email
-  , _signIn_password :: Password
-  } deriving Show
diff --git a/server/src/Model/UUID.hs b/server/src/Model/UUID.hs
deleted file mode 100644
index 0959a8e..0000000
--- a/server/src/Model/UUID.hs
+++ /dev/null
@@ -1,10 +0,0 @@
-module Model.UUID
-  ( generateUUID
-  ) where
-
-import           Data.Text    (Text, pack)
-import           Data.UUID    (toString)
-import           Data.UUID.V4 (nextRandom)
-
-generateUUID :: IO Text
-generateUUID = pack . toString <$> nextRandom
diff --git a/server/src/Payer.hs b/server/src/Payer.hs
deleted file mode 100644
index ab8312e..0000000
--- a/server/src/Payer.hs
+++ /dev/null
@@ -1,87 +0,0 @@
-module Payer
-  ( getExceedingPayers
-  ) where
-
-import           Data.Map     (Map)
-import qualified Data.Map     as M
-
-import           Common.Model (ExceedingPayer (..), User (..), UserId)
-
-data Payer = Payer
-  { _payer_userId             :: UserId
-  , _payer_preIncomePayments  :: Int
-  , _payer_postIncomePayments :: Int
-  , _payer_income             :: Int
-  }
-
-data PostPaymentPayer = PostPaymentPayer
-  { _postPaymentPayer_userId            :: UserId
-  , _postPaymentPayer_preIncomePayments :: Int
-  , _postPaymentPayer_cumulativeIncome  :: Int
-  , _postPaymentPayer_ratio             :: Float
-  }
-
-getExceedingPayers :: [User] -> Map UserId Int -> Map UserId Int -> Map UserId Int -> [ExceedingPayer]
-getExceedingPayers users cumulativeIncome preIncomeRepartition postIncomeRepartition =
-  let userIds = map _user_id users
-      payers = getPayers userIds cumulativeIncome preIncomeRepartition postIncomeRepartition
-      postPaymentPayers = map getPostPaymentPayer payers
-      mbMaxRatio = safeMaximum . map _postPaymentPayer_ratio $ postPaymentPayers
-  in  case mbMaxRatio of
-        Just maxRatio ->
-          exceedingPayersFromAmounts
-            . map (\p -> (_postPaymentPayer_userId p, getFinalDiff maxRatio p))
-            $ postPaymentPayers
-        Nothing ->
-          exceedingPayersFromAmounts
-            . map (\p -> (_payer_userId p, _payer_preIncomePayments p))
-            $ payers
-
-getPayers :: [UserId] -> Map UserId Int -> Map UserId Int -> Map UserId Int -> [Payer]
-getPayers userIds cumulativeIncome preIncomeRepartition postIncomeRepartition =
-  flip map userIds (\userId -> Payer
-    { _payer_userId = userId
-    , _payer_preIncomePayments = M.findWithDefault 0 userId preIncomeRepartition
-    , _payer_postIncomePayments = M.findWithDefault 0 userId postIncomeRepartition
-    , _payer_income = M.findWithDefault 0 userId cumulativeIncome
-    }
-  )
-
-exceedingPayersFromAmounts :: [(UserId, Int)] -> [ExceedingPayer]
-exceedingPayersFromAmounts userAmounts =
-  case mbMinAmount of
-    Nothing ->
-      []
-    Just minAmount ->
-      filter (\payer -> _exceedingPayer_amount payer > 0)
-        . map (\userAmount ->
-           ExceedingPayer
-             { _exceedingPayer_userId = fst userAmount
-             , _exceedingPayer_amount = snd userAmount - minAmount
-             }
-        )
-        $ userAmounts
-  where mbMinAmount = safeMinimum . map snd $ userAmounts
-
-getPostPaymentPayer :: Payer -> PostPaymentPayer
-getPostPaymentPayer payer =
-  PostPaymentPayer
-    { _postPaymentPayer_userId = _payer_userId payer
-    , _postPaymentPayer_preIncomePayments = _payer_preIncomePayments payer
-    , _postPaymentPayer_cumulativeIncome = _payer_income payer
-    , _postPaymentPayer_ratio = (fromIntegral . _payer_postIncomePayments $ payer) / (fromIntegral $ _payer_income payer)
-    }
-
-getFinalDiff :: Float -> PostPaymentPayer -> Int
-getFinalDiff maxRatio payer =
-  let postIncomeDiff =
-        truncate $ -1.0 * (maxRatio - _postPaymentPayer_ratio payer) * (fromIntegral . _postPaymentPayer_cumulativeIncome $ payer)
-  in  postIncomeDiff + _postPaymentPayer_preIncomePayments payer
-
-safeMinimum :: (Ord a) => [a] -> Maybe a
-safeMinimum [] = Nothing
-safeMinimum xs = Just . minimum $ xs
-
-safeMaximum :: (Ord a) => [a] -> Maybe a
-safeMaximum [] = Nothing
-safeMaximum xs = Just . maximum $ xs
diff --git a/server/src/Persistence/Category.hs b/server/src/Persistence/Category.hs
deleted file mode 100644
index b0a6fca..0000000
--- a/server/src/Persistence/Category.hs
+++ /dev/null
@@ -1,123 +0,0 @@
-module Persistence.Category
-  ( count
-  , list
-  , listAll
-  , create
-  , edit
-  , delete
-  ) where
-
-import qualified Data.Maybe             as Maybe
-import           Data.Text              (Text)
-import           Data.Time.Clock        (getCurrentTime)
-import           Database.SQLite.Simple (FromRow (fromRow), NamedParam ((:=)))
-import qualified Database.SQLite.Simple as SQLite
-import           Prelude                hiding (id)
-
-import           Common.Model           (Category (..), CategoryId)
-
-import           Model.Query            (Query (Query))
-
-newtype Row = Row Category
-
-instance FromRow Row where
-  fromRow = Row <$> (Category <$>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field)
-
-data CountRow = CountRow Int
-
-instance FromRow CountRow where
-  fromRow = CountRow <$> SQLite.field
-
-count :: Query Int
-count =
-  Query (\conn ->
-    (Maybe.fromMaybe 0 . fmap (\(CountRow n) -> n) . Maybe.listToMaybe) <$>
-      SQLite.query_ conn "SELECT COUNT(*) FROM category WHERE deleted_at IS NULL"
-  )
-
-
-list :: Int -> Int -> Query [Category]
-list page perPage =
-  Query (\conn ->
-    map (\(Row c) -> c) <$>
-      SQLite.queryNamed
-          conn
-          "SELECT * FROM category WHERE deleted_at IS NULL ORDER BY name LIMIT :limit OFFSET :offset"
-          [ ":limit" := perPage
-          , ":offset" := (page - 1) * perPage
-          ]
-  )
-
-listAll :: Query [Category]
-listAll =
-  Query (\conn ->
-    map (\(Row c) -> c) <$>
-      SQLite.query_ conn "SELECT * FROM category WHERE deleted_at IS NULL"
-  )
-
-create :: Text -> Text -> Query ()
-create name color =
-  Query (\conn -> do
-    currentTime <- getCurrentTime
-    SQLite.executeNamed
-      conn
-      "INSERT INTO category (name, color, created_at) VALUES (:name, :color, :created_at)"
-      [ ":name" := name
-      , ":color" := color
-      , ":created_at" := currentTime
-      ]
-  )
-
-edit :: CategoryId -> Text -> Text -> Query Bool
-edit id name color =
-  Query (\conn -> do
-    mbCategory <- fmap (\(Row c) -> c) . Maybe.listToMaybe <$>
-      (SQLite.queryNamed conn "SELECT * FROM category WHERE id = :id" [ ":id" := id ])
-    if Maybe.isJust mbCategory
-      then do
-        currentTime <- getCurrentTime
-        SQLite.executeNamed
-          conn
-          "UPDATE category SET edited_at = :editedAt, name = :name, color = :color WHERE id = :id"
-          [ ":editedAt" := currentTime
-          , ":name" := name
-          , ":color" := color
-          , ":id" := id
-          ]
-        return True
-      else
-        return False
-  )
-
-data BoolRow = BoolRow Int
-
-instance FromRow BoolRow where
-  fromRow = BoolRow <$> SQLite.field
-
-delete :: CategoryId -> Query Bool
-delete id =
-  Query (\conn -> do
-    mbPayment <- (fmap (\(BoolRow b) -> b) . Maybe.listToMaybe) <$>
-      (SQLite.queryNamed
-        conn
-        "SELECT true FROM payment WHERE category = :id AND deleted_at IS NULL"
-        [ ":id" := id ])
-    if Maybe.isNothing mbPayment
-      then do
-        currentTime <- getCurrentTime
-        SQLite.executeNamed
-          conn
-          "UPDATE category SET deleted_at = :deletedAt WHERE id = :id AND deleted_at IS NULL"
-          [ ":deletedAt" := currentTime
-          , ":id" := id
-          ]
-        return True
-      else
-        return False
-  )
diff --git a/server/src/Persistence/Frequency.hs b/server/src/Persistence/Frequency.hs
deleted file mode 100644
index edaa844..0000000
--- a/server/src/Persistence/Frequency.hs
+++ /dev/null
@@ -1,23 +0,0 @@
-module Persistence.Frequency
-  ( FrequencyField(..)
-  ) where
-
-import qualified Data.Text                        as T
-import           Database.SQLite.Simple           (SQLData (SQLText))
-import           Database.SQLite.Simple.FromField (FromField (fromField),
-                                                   fieldData)
-import           Database.SQLite.Simple.Ok        (Ok (Errors, Ok))
-import           Database.SQLite.Simple.ToField   (ToField (toField))
-
-import           Common.Model                     (Frequency)
-
-newtype FrequencyField = FrequencyField Frequency
-
-instance FromField FrequencyField where
-  fromField field =
-    case fieldData field of
-      SQLText text -> Ok (FrequencyField (read (T.unpack text) :: Frequency))
-      _            -> Errors [error "SQLText field required for frequency"]
-
-instance ToField FrequencyField where
-  toField (FrequencyField f) = SQLText . T.pack . show $ f
diff --git a/server/src/Persistence/Income.hs b/server/src/Persistence/Income.hs
deleted file mode 100644
index 1b5364c..0000000
--- a/server/src/Persistence/Income.hs
+++ /dev/null
@@ -1,201 +0,0 @@
-module Persistence.Income
-  ( listAll
-  , count
-  , list
-  , listModifiedSince
-  , create
-  , edit
-  , delete
-  , definedForAll
-  , getCumulativeIncome
-  ) where
-
-import qualified Data.List              as L
-import           Data.Map               (Map)
-import qualified Data.Map               as M
-import qualified Data.Maybe             as Maybe
-import qualified Data.Text              as T
-import           Data.Time.Calendar     (Day)
-import           Data.Time.Clock        (UTCTime)
-import           Data.Time.Clock        (getCurrentTime)
-import           Database.SQLite.Simple (FromRow (fromRow), NamedParam ((:=)))
-import qualified Database.SQLite.Simple as SQLite
-import           Prelude                hiding (id, until)
-
-import           Common.Model           (Income (..), IncomeId, PaymentId,
-                                         UserId)
-
-import           Model.Query            (Query (Query))
-
-newtype Row = Row Income
-
-instance FromRow Row where
-  fromRow = Row <$> (Income <$>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field)
-
-data CountRow = CountRow Int
-
-instance FromRow CountRow where
-  fromRow = CountRow <$> SQLite.field
-
-listAll :: Query [Income]
-listAll =
-  Query (\conn ->
-    map (\(Row i) -> i) <$>
-      SQLite.query_
-        conn
-        "SELECT * FROM income WHERE deleted_at IS NULL ORDER BY date DESC"
-  )
-
-
-count :: Query Int
-count =
-  Query (\conn ->
-    (Maybe.fromMaybe 0 . fmap (\(CountRow n) -> n) . Maybe.listToMaybe) <$>
-      SQLite.query_ conn "SELECT COUNT(*) FROM income WHERE deleted_at IS NULL"
-  )
-
-list :: Int -> Int -> Query [Income]
-list page perPage =
-  Query (\conn ->
-    map (\(Row i) -> i) <$>
-      SQLite.queryNamed
-        conn
-        "SELECT * FROM income WHERE deleted_at IS NULL ORDER BY date DESC LIMIT :limit OFFSET :offset"
-        [ ":limit" := perPage
-        , ":offset" := (page - 1) * perPage
-        ]
-  )
-
-listModifiedSince :: UTCTime -> Query [Income]
-listModifiedSince since =
-  Query (\conn ->
-    map (\(Row i) -> i) <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query . T.intercalate " " $
-          [ "SELECT *"
-          , "FROM income"
-          , "WHERE"
-          ,   "created_at >= :since"
-          ,   "OR edited_at >= :since"
-          ,   "OR deleted_at >= :since"
-          ])
-        [ ":since" := since ]
-  )
-
-create :: UserId -> Day -> Int -> Query ()
-create userId date amount =
-  Query (\conn -> do
-    createdAt <- getCurrentTime
-    SQLite.executeNamed
-      conn
-      "INSERT INTO income (user_id, date, amount, created_at) VALUES (:userId, :date, :amount, :createdAt)"
-      [ ":userId" := userId
-      , ":date" := date
-      , ":amount" := amount
-      , ":createdAt" := createdAt
-      ]
-  )
-
-edit :: UserId -> IncomeId -> Day -> Int -> Query Bool
-edit userId id date amount =
-  Query (\conn -> do
-    income <- fmap (\(Row i) -> i) . Maybe.listToMaybe <$>
-      SQLite.queryNamed conn "SELECT * FROM income WHERE id = :id" [ ":id" := id ]
-    if Maybe.isJust income then
-      do
-        currentTime <- getCurrentTime
-        SQLite.executeNamed
-          conn
-          "UPDATE income SET edited_at = :editedAt, date = :date, amount = :amount WHERE id = :id AND user_id = :userId"
-          [ ":editedAt" := currentTime
-          , ":date" := date
-          , ":amount" := amount
-          , ":id" := id
-          , ":userId" := userId
-          ]
-        return True
-    else
-      return False
-  )
-
-delete :: UserId -> PaymentId -> Query ()
-delete userId id =
-  Query (\conn ->
-    SQLite.executeNamed
-      conn
-      "UPDATE income SET deleted_at = datetime('now') WHERE id = :id AND user_id = :userId"
-      [ ":id" := id
-      , ":userId" := userId
-      ]
-  )
-
-data UserDayRow = UserDayRow (UserId, Day)
-
-instance FromRow UserDayRow where
-  fromRow = do
-    user <- SQLite.field
-    day <- SQLite.field
-    return $ UserDayRow (user, day)
-
-definedForAll :: [UserId] -> Query (Maybe Day)
-definedForAll users =
-  Query (\conn ->
-    (fromRows . fmap (\(UserDayRow (user, day)) -> (user, day))) <$>
-      SQLite.query_
-        conn
-        "SELECT user_id, MIN(date) FROM income WHERE deleted_at IS NULL GROUP BY user_id;"
-  )
-  where
-    fromRows rows =
-      if L.sort users == L.sort (map fst rows) then
-        Maybe.listToMaybe . reverse . L.sort . map snd $ rows
-      else
-        Nothing
-
-getCumulativeIncome :: Day -> Day -> Query (Map UserId Int)
-getCumulativeIncome start end =
-  Query (\conn -> M.fromList <$> SQLite.queryNamed conn (SQLite.Query query) parameters)
-  where
-    query =
-      T.intercalate "\n" $
-        [ "SELECT user_id, CAST(ROUND(SUM(count)) AS INTEGER) FROM ("
-        , "  SELECT"
-        , "    I1.user_id,"
-        , "    ((JULIANDAY(MIN(I2.date)) - JULIANDAY(I1.date)) * I1.amount * 12 / 365) AS count"
-        , "  FROM (" <> (selectBoundedIncomes ">" ":start") <> ") AS I1"
-        , "  INNER JOIN (" <> (selectBoundedIncomes "<" ":end") <> ") AS I2"
-        , "  ON I2.date > I1.date AND I2.user_id == I1.user_id"
-        , "  GROUP BY I1.date, I1.user_id"
-        , ") GROUP BY user_id"
-        ]
-
-    selectBoundedIncomes op param =
-      T.intercalate "\n" $
-        [ "    SELECT user_id, date, amount FROM ("
-        , "      SELECT"
-        , "        i.user_id, " <> param <> " AS date, i.amount"
-        , "      FROM"
-        , "        (SELECT id, MAX(date) AS max_date"
-        , "        FROM income"
-        , "        WHERE date <= " <> param <> " AND deleted_at IS NULL"
-        , "        GROUP BY user_id) AS m"
-        , "      INNER JOIN income AS i"
-        , "      ON i.id = m.id AND i.date = m.max_date"
-        , "    ) UNION"
-        , "    SELECT user_id, date, amount"
-        , "    FROM income"
-        , "    WHERE date " <> op <> " " <> param <> " AND deleted_at IS NULL"
-        ]
-
-    parameters =
-      [ ":start" := start
-      , ":end" := end
-      ]
diff --git a/server/src/Persistence/Payment.hs b/server/src/Persistence/Payment.hs
deleted file mode 100644
index 573d57f..0000000
--- a/server/src/Persistence/Payment.hs
+++ /dev/null
@@ -1,389 +0,0 @@
-module Persistence.Payment
-  ( count
-  , find
-  , getRange
-  , listAllPunctual
-  , listActivePage
-  , listModifiedPunctualSince
-  , listActiveMonthlyOrderedByName
-  , create
-  , createMany
-  , edit
-  , delete
-  , searchCategory
-  , repartition
-  , getPreAndPostPaymentRepartition
-  , usedCategories
-  ) where
-
-import           Data.Map                       (Map)
-import qualified Data.Map                       as M
-import qualified Data.Maybe                     as Maybe
-import           Data.Text                      (Text)
-import qualified Data.Text                      as T
-import           Data.Time.Calendar             (Day)
-import qualified Data.Time.Calendar             as Calendar
-import           Data.Time.Clock                (UTCTime)
-import           Data.Time.Clock                (getCurrentTime)
-import           Database.SQLite.Simple         (FromRow (fromRow),
-                                                 NamedParam ((:=)), ToRow)
-import qualified Database.SQLite.Simple         as SQLite
-import           Database.SQLite.Simple.ToField (ToField (toField))
-import           Prelude                        hiding (id, until)
-
-import           Common.Model                   (CategoryId, Frequency (..),
-                                                 Payment (..), PaymentId,
-                                                 User (..), UserId)
-import qualified Common.Util.Text               as TextUtil
-
-import           Model.Query                    (Query (Query))
-import           Persistence.Frequency          (FrequencyField (..))
-import qualified Persistence.Income             as IncomePersistence
-import qualified Persistence.Util               as PersistenceUtil
-
-
-fields :: Text
-fields = T.intercalate "," $
-  [ "id"
-  , "user_id"
-  , "name"
-  , "cost"
-  , "date"
-  , "category"
-  , "frequency"
-  , "created_at"
-  , "edited_at"
-  , "deleted_at"
-  ]
-
-newtype Row = Row Payment
-
-instance FromRow Row where
-  fromRow = Row <$> (Payment <$>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    (fmap (\(FrequencyField f) -> f) $ SQLite.field) <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field)
-
-newtype InsertRow = InsertRow Payment
-
-instance ToRow InsertRow where
-  toRow (InsertRow p) =
-    [ toField (_payment_user p)
-    , toField (_payment_name p)
-    , toField (_payment_cost p)
-    , toField (_payment_date p)
-    , toField (_payment_category p)
-    , toField (FrequencyField (_payment_frequency p))
-    , toField (_payment_createdAt p)
-    ]
-
-data Count = Count Int
-
-instance FromRow Count where
-  fromRow = Count <$> SQLite.field
-
-count :: Frequency -> Text -> Query Int
-count frequency search =
-  Query (\conn ->
-    (\[Count n] -> n) <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $ T.intercalate " "
-          [ "SELECT COUNT(*)"
-          , "FROM payment"
-          , "WHERE"
-          ,   "deleted_at IS NULL"
-          ,   "AND frequency = :frequency"
-          ,   "AND (" <> PersistenceUtil.formatKeyForSearch "name" <> " LIKE :search OR cost LIKE :search)"
-          ])
-        [ ":frequency" := FrequencyField frequency
-        , ":search" := "%" <> TextUtil.formatSearch search <> "%"
-        ]
-  )
-
-find :: PaymentId -> Query (Maybe Payment)
-find paymentId =
-  Query (\conn -> do
-    fmap (\(Row p) -> p) . Maybe.listToMaybe <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $ "SELECT " <> fields <> " FROM payment WHERE id = :id")
-        [ "id" := paymentId
-        ]
-  )
-
-data RangeRow = RangeRow (Day, Day)
-
-instance FromRow RangeRow where
-  fromRow = (\f t -> RangeRow (f, t)) <$> SQLite.field <*> SQLite.field
-
-getRange :: Query (Maybe (Day, Day))
-getRange =
-  Query (\conn -> do
-    fmap (\(RangeRow (f, t)) -> (f, t)) . Maybe.listToMaybe <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $ T.intercalate " "
-          [ "SELECT MIN(date), MAX(date)"
-          , "FROM payment"
-          , "WHERE"
-          ,   "frequency = :frequency"
-          ,   "AND deleted_at IS NULL"
-          ])
-        [ ":frequency" := FrequencyField Punctual
-        ]
-  )
-
-listAllPunctual :: Query [Payment]
-listAllPunctual =
-  Query (\conn ->
-    map (\(Row p) -> p) <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $ T.intercalate " "
-          [ "SELECT"
-          , fields
-          , "FROM payment"
-          , "WHERE deleted_at IS NULL AND frequency = :frequency"
-          , "ORDER BY date"
-          ])
-        [ ":frequency" := FrequencyField Punctual
-        ]
-  )
-
-
-listActivePage :: Frequency -> Int -> Int -> Text -> Query [Payment]
-listActivePage frequency page perPage search =
-  Query (\conn ->
-    map (\(Row p) -> p) <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $ T.intercalate " "
-          [ "SELECT"
-          , fields
-          , "FROM payment"
-          , "WHERE"
-          ,   "deleted_at IS NULL"
-          ,   "AND frequency = :frequency"
-          ,   "AND (" <> PersistenceUtil.formatKeyForSearch "name" <> " LIKE :search OR cost LIKE :search)"
-          , "ORDER BY date DESC"
-          , "LIMIT :limit"
-          , "OFFSET :offset"
-          ]
-        )
-        [ ":frequency" := FrequencyField frequency
-        , ":search" := "%" <> TextUtil.formatSearch search <> "%"
-        , ":limit" := perPage
-        , ":offset" := (page - 1) * perPage
-        ]
-  )
-
-listModifiedPunctualSince :: UTCTime -> Query [Payment]
-listModifiedPunctualSince since =
-  Query (\conn ->
-    map (\(Row i) -> i) <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query . T.intercalate " " $
-          [ "SELECT " <> fields
-          , "FROM payment"
-          , "WHERE"
-          ,   "frequency = :frequency"
-          ,   "AND (created_at >= :since OR edited_at >= :since OR deleted_at >= :since)"
-          ])
-        [ ":frequency" := FrequencyField Punctual
-        , ":since" := since
-        ]
-  )
-
-
-listActiveMonthlyOrderedByName :: Query [Payment]
-listActiveMonthlyOrderedByName =
-  Query (\conn -> do
-    map (\(Row p) -> p) <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $ T.intercalate " "
-          [ "SELECT"
-          , fields
-          , "FROM payment"
-          , "WHERE deleted_at IS NULL AND frequency = :frequency"
-          , "ORDER BY name DESC"
-          ])
-        [ ":frequency" := FrequencyField Monthly
-        ]
-  )
-
-create :: UserId -> Text -> Int -> Day -> CategoryId -> Frequency -> Query ()
-create userId name cost date category frequency =
-  Query (\conn -> do
-    currentTime <- getCurrentTime
-    SQLite.executeNamed
-      conn
-      (SQLite.Query $ T.intercalate " "
-        [ "INSERT INTO payment (user_id, name, cost, date, category, frequency, created_at)"
-        , "VALUES (:userId, :name, :cost, :date, :category, :frequency, :currentTime)"
-        ])
-      [ ":userId" := userId
-      , ":name" := name
-      , ":cost" := cost
-      , ":date" := date
-      , ":category" := category
-      , ":frequency" := FrequencyField frequency
-      , ":currentTime" := currentTime
-      ]
-  )
-
-createMany :: [Payment] -> Query ()
-createMany payments =
-  Query (\conn ->
-    SQLite.executeMany
-      conn
-      (SQLite.Query $ T.intercalate ""
-        [ "INSERT INTO payment (user_id, name, cost, date, category, frequency, created_at)"
-        , "VALUES (?, ?, ?, ?, ?, ?, ?)"
-        ])
-      (map InsertRow payments)
-  )
-
-edit :: UserId -> PaymentId -> Text -> Int -> Day -> CategoryId -> Frequency -> Query Bool
-edit userId paymentId name cost date category frequency =
-  Query (\conn -> do
-    payment <- fmap (\(Row p) -> p) . Maybe.listToMaybe <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query $
-          "SELECT " <> fields <> " FROM payment WHERE id = :paymentId and user_id = :userId")
-        [ ":paymentId" := paymentId
-        , ":userId" := userId
-        ]
-    if Maybe.isJust payment then
-      do
-        currentTime <- getCurrentTime
-        SQLite.executeNamed
-          conn
-          (SQLite.Query $ T.intercalate " "
-            [ "UPDATE"
-            , "  payment"
-            , "SET"
-            , "  edited_at = :editedAt,"
-            , "  name = :name,"
-            , "  cost = :cost,"
-            , "  date = :date,"
-            , "  category = :category,"
-            , "  frequency = :frequency"
-            , "WHERE"
-            , "  id = :id"
-            , "  AND user_id = :userId"
-            ])
-          [ ":editedAt" := currentTime
-          , ":name" := name
-          , ":cost" := cost
-          , ":date" := date
-          , ":category" := category
-          , ":frequency" := FrequencyField frequency
-          , ":id" := paymentId
-          , ":userId" := userId
-          ]
-        return True
-    else
-      return False
-  )
-
-delete :: UserId -> PaymentId -> Query ()
-delete userId paymentId =
-  Query (\conn ->
-    SQLite.executeNamed
-      conn
-      "UPDATE payment SET deleted_at = datetime('now') WHERE id = :id AND user_id = :userId"
-      [ ":id" := paymentId
-      , ":userId" := userId
-      ]
-  )
-
-data CategoryIdRow = CategoryIdRow CategoryId
-
-instance FromRow CategoryIdRow where
-  fromRow = CategoryIdRow <$> SQLite.field
-
-searchCategory :: Text -> Query (Maybe CategoryId)
-searchCategory paymentName =
-  Query (\conn ->
-    fmap (\(CategoryIdRow d) -> d) . Maybe.listToMaybe <$>
-      SQLite.queryNamed
-        conn
-        (SQLite.Query . T.intercalate " " $
-          [ "SELECT category"
-          , "FROM payment"
-          , "WHERE deleted_at is NULL AND name LIKE :name"
-          , "ORDER BY edited_at, created_at"
-          , "LIMIT 1"
-          ])
-        [ ":name" := "%" <> paymentName <> "%"
-        ]
-  )
-
-usedCategories :: Query [CategoryId]
-usedCategories =
-  Query (\conn -> do
-    map (\(CategoryIdRow p) -> p) <$>
-      SQLite.query_
-        conn
-        (SQLite.Query $ T.intercalate " "
-          [ "SELECT DISTINCT category"
-          , "FROM payment"
-          , "WHERE deleted_at IS NULL"
-          ])
-  )
-
-data UserCostRow = UserCostRow (UserId, Int)
-
-instance FromRow UserCostRow where
-  fromRow = do
-    user <- SQLite.field
-    cost <- SQLite.field
-    return $ UserCostRow (user, cost)
-
-repartition :: Frequency -> Text -> Day -> Day -> Query (Map UserId Int)
-repartition frequency search from to =
-  Query (\conn ->
-    M.fromList . fmap (\(UserCostRow r) -> r) <$> SQLite.queryNamed
-      conn
-      (SQLite.Query . T.intercalate " " $
-        [ "SELECT user_id, SUM(cost)"
-        , "FROM payment"
-        , "WHERE"
-        ,   "deleted_at IS NULL"
-        ,   "AND frequency = :frequency"
-        ,   "AND (" <> PersistenceUtil.formatKeyForSearch "name" <> " LIKE :search OR cost LIKE :search)"
-        ,   "AND date >= :from"
-        ,   "AND date < :to"
-        , "GROUP BY user_id"
-        ])
-      [ ":frequency" := FrequencyField frequency
-      , ":search" := "%" <> TextUtil.formatSearch search <> "%"
-      , ":from" := from
-      , ":to" := to
-      ]
-  )
-
-getPreAndPostPaymentRepartition :: Maybe (Day, Day) -> [User] -> Query (Map UserId Int, Map UserId Int)
-getPreAndPostPaymentRepartition paymentRange users = do
-  case paymentRange of
-    Just (from, to) -> do
-      incomeDefinedForAll <- IncomePersistence.definedForAll (_user_id <$> users)
-      (,)
-        <$> (repartition Punctual "" from (Maybe.fromMaybe (Calendar.addDays 1 to) incomeDefinedForAll))
-        <*> (case incomeDefinedForAll of
-          Just d  -> repartition Punctual "" d (Calendar.addDays 1 to)
-          Nothing -> return M.empty)
-
-    Nothing ->
-      return (M.empty, M.empty)
diff --git a/server/src/Persistence/User.hs b/server/src/Persistence/User.hs
deleted file mode 100644
index 12145ac..0000000
--- a/server/src/Persistence/User.hs
+++ /dev/null
@@ -1,78 +0,0 @@
-module Persistence.User
-  ( list
-  , get
-  , checkPassword
-  , createSignInToken
-  ) where
-
-import qualified Data.Maybe             as Maybe
-import           Data.Text              (Text)
-import           Database.SQLite.Simple (FromRow (fromRow), NamedParam ((:=)))
-import qualified Database.SQLite.Simple as SQLite
-
-import           Common.Model           (Email (..), Password (..), User (..))
-
-import           Model.HashedPassword   (HashedPassword (..))
-import qualified Model.HashedPassword   as HashedPassword
-import           Model.Query            (Query (Query))
-import qualified Model.UUID             as UUID
-
-newtype Row = Row User
-
-instance FromRow Row where
-  fromRow = Row <$> (User <$>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field <*>
-    SQLite.field)
-
-list :: Query [User]
-list =
-  Query (\conn -> do
-    map (\(Row u) -> u) <$>
-      SQLite.query_ conn "SELECT id, creation, email, name from user ORDER BY creation DESC"
-  )
-
-get :: Text -> Query (Maybe User)
-get token =
-  Query (\conn -> do
-    fmap (\(Row u) -> u) . Maybe.listToMaybe <$>
-      SQLite.queryNamed
-        conn
-        "SELECT id, creation, email, name FROM user WHERE sign_in_token = :sign_in_token LIMIT 1"
-        [ ":sign_in_token" := token ]
-  )
-
-data HashedPasswordRow = HashedPasswordRow HashedPassword
-
-instance FromRow HashedPasswordRow where
-  fromRow = HashedPasswordRow <$> (HashedPassword <$> SQLite.field)
-
-checkPassword :: Email -> Password -> Query Bool
-checkPassword (Email email) password =
-  Query (\conn -> do
-    hashedPassword <- fmap (\(HashedPasswordRow p) -> p) . Maybe.listToMaybe <$>
-      SQLite.queryNamed
-        conn
-        "SELECT password FROM user WHERE email = :email LIMIT 1"
-        [ ":email" := email ]
-    case hashedPassword of
-      Just h ->
-        return (HashedPassword.check password h)
-
-      Nothing ->
-        return False
-  )
-
-createSignInToken :: Email -> Query Text
-createSignInToken (Email email) =
-  Query (\conn -> do
-    token <- UUID.generateUUID
-    SQLite.executeNamed
-      conn
-      "UPDATE user SET sign_in_token = :sign_in_token WHERE email = :email"
-      [ ":sign_in_token" := token
-      , ":email" := email
-      ]
-    return token
-  )
diff --git a/server/src/Persistence/Util.hs b/server/src/Persistence/Util.hs
deleted file mode 100644
index b7496c6..0000000
--- a/server/src/Persistence/Util.hs
+++ /dev/null
@@ -1,11 +0,0 @@
-module Persistence.Util
-  ( formatKeyForSearch
-  ) where
-
-import           Data.Text (Text)
-
-formatKeyForSearch :: Text -> Text
-formatKeyForSearch key =
-  "replace(replace(replace(replace(replace(replace(replace(replace(replace(replace(replace(replace(replace(lower("
-  <> key
-  <> "), 'à', 'a'), 'â', 'a'), 'ç', 'c'), 'è', 'e'), 'é', 'e'), 'ê', 'e'), 'ë', 'e'), 'î', 'i'), 'ï', 'i'), 'ô', 'o'), 'ù', 'u'), 'û', 'u'), 'ü', 'u')"
diff --git a/server/src/Resource.hs b/server/src/Resource.hs
deleted file mode 100644
index a12a0f2..0000000
--- a/server/src/Resource.hs
+++ /dev/null
@@ -1,54 +0,0 @@
-module Resource
-  ( Resource
-  , resourceCreatedAt
-  , resourceEditedAt
-  , resourceDeletedAt
-  , Status(..)
-  , statuses
-  , groupByStatus
-  , statusDuring
-  ) where
-
-import           Data.Map        (Map)
-import qualified Data.Map        as M
-import           Data.Maybe      (fromMaybe)
-import           Data.Time.Clock (UTCTime)
-
-class Resource a where
-  resourceCreatedAt :: a -> UTCTime
-  resourceEditedAt :: a -> Maybe UTCTime
-  resourceDeletedAt :: a -> Maybe UTCTime
-
-data Status =
-  Created
-  | Edited
-  | Deleted
-  deriving (Eq, Show, Read, Ord, Enum, Bounded)
-
-statuses :: [Status]
-statuses = [minBound..]
-
-groupByStatus :: Resource a => UTCTime -> UTCTime -> [a] -> Map Status [a]
-groupByStatus start end resources =
-  foldl
-    (\m resource ->
-      case statusDuring start end resource of
-        Just status -> M.insertWith (++) status [resource] m
-        Nothing     -> m
-    )
-    M.empty
-    resources
-
-statusDuring :: Resource a => UTCTime -> UTCTime -> a -> Maybe Status
-statusDuring start end resource
-  | created && not deleted = Just Created
-  | not created && edited && not deleted = Just Edited
-  | not created && deleted = Just Deleted
-  | otherwise = Nothing
-  where
-    created = belongs (resourceCreatedAt resource) start end
-    edited = fromMaybe False (fmap (\t -> belongs t start end) $ resourceEditedAt resource)
-    deleted = fromMaybe False (fmap (\t -> belongs t start end) $ resourceDeletedAt resource)
-
-belongs :: UTCTime -> UTCTime -> UTCTime -> Bool
-belongs time start end = time >= start && time < end
diff --git a/server/src/Secure.hs b/server/src/Secure.hs
deleted file mode 100644
index a30941f..0000000
--- a/server/src/Secure.hs
+++ /dev/null
@@ -1,31 +0,0 @@
-module Secure
-  ( loggedAction
-  ) where
-
-import           Control.Monad.IO.Class    (liftIO)
-import qualified Data.Text.Lazy            as TL
-import qualified Network.HTTP.Types.Status as HTTP
-import           Web.Scotty
-
-import           Common.Model              (User)
-import qualified Common.Msg                as Msg
-
-import qualified LoginSession
-import qualified Model.Query               as Query
-import qualified Persistence.User          as UserPersistence
-
-loggedAction :: (User -> ActionM ()) -> ActionM ()
-loggedAction action = do
-  maybeToken <- LoginSession.get
-  case maybeToken of
-    Just token -> do
-      maybeUser <- liftIO . Query.run . UserPersistence.get $ token
-      case maybeUser of
-        Just user ->
-          action user
-        Nothing -> do
-          status HTTP.forbidden403
-          html . TL.fromStrict . Msg.get $ Msg.Secure_Unauthorized
-    Nothing -> do
-      status HTTP.forbidden403
-      html . TL.fromStrict . Msg.get $ Msg.Secure_Forbidden
diff --git a/server/src/SendMail.hs b/server/src/SendMail.hs
deleted file mode 100644
index 13d4072..0000000
--- a/server/src/SendMail.hs
+++ /dev/null
@@ -1,66 +0,0 @@
-module SendMail
-  ( sendMail
-  ) where
-
-import           Control.Arrow          (left)
-import           Control.Exception      (SomeException, try)
-import           Data.Either            (isLeft)
-import qualified Network.Mail.Mime      as M
-
-import           Data.Text              (Text)
-import qualified Data.Text              as T
-import qualified Data.Text.IO           as T
-import qualified Data.Text.Lazy         as LT
-import           Data.Text.Lazy.Builder (fromText, toLazyText)
-
-import           Conf                   (Conf)
-import qualified Conf
-import           Model.Mail             (Mail (..))
-
-sendMail :: Conf -> Mail -> IO (Either Text ())
-sendMail conf mail =
-  if Conf.devMode conf
-    then
-      do
-        T.putStrLn . mockMailMessage $ mail
-        return (Right ())
-    else
-      do
-        result <- left (T.pack . show) <$> (try (M.renderSendMail . getMimeMail $ mail) :: IO (Either SomeException ()))
-        if isLeft result
-          then putStrLn ("Error sending the following email:" ++ (show mail) ++ "\n" ++ (show result))
-          else return ()
-        return result
-
-mockMailMessage :: Mail -> Text
-mockMailMessage mail = T.concat $
-  [ "[MOCK MAIL] "
-  , subject mail
-  , " (from: "
-  , from mail
-  , ") (to: "
-  , T.intercalate ", " $ to mail
-  , ")"
-  , "\n"
-  , body mail
-  , "\n"
-  ]
-
-getMimeMail :: Mail -> M.Mail
-getMimeMail (Mail mailFrom mailTo mailSubject mailPlainBody) =
-  let fromMail = M.emptyMail (address mailFrom)
-  in  fromMail
-        { M.mailTo = map address mailTo
-        , M.mailParts = [ [ M.plainPart . strictToLazy $ mailPlainBody ] ]
-        , M.mailHeaders = [("Subject", mailSubject)]
-        }
-
-address :: Text -> M.Address
-address addressEmail =
-  M.Address
-    { M.addressName = Nothing
-    , M.addressEmail = addressEmail
-    }
-
-strictToLazy :: Text -> LT.Text
-strictToLazy = toLazyText . fromText
diff --git a/server/src/Statistics.hs b/server/src/Statistics.hs
deleted file mode 100644
index e463aac..0000000
--- a/server/src/Statistics.hs
+++ /dev/null
@@ -1,59 +0,0 @@
-module Statistics
-  ( paymentsAndIncomes
-  ) where
-
-import           Control.Arrow      ((&&&))
-import qualified Data.List          as L
-import           Data.Map           (Map)
-import qualified Data.Map           as M
-import qualified Data.Maybe         as Maybe
-import qualified Data.Time.Calendar as Calendar
-
-import           Common.Model       (Income (..), MonthStats (..), Payment (..),
-                                     Stats)
-
-paymentsAndIncomes :: [Payment] -> [Income] -> Stats
-paymentsAndIncomes payments incomes =
-
-  map toMonthStat . M.toList $ foldl
-    (\m p -> M.alter (alter p) (startOfMonth $ _payment_date p) m)
-    M.empty
-    payments
-
-  where
-
-    toMonthStat (start, paymentsByCategory) =
-      MonthStats start paymentsByCategory (incomesAt start)
-
-    incomesAt day =
-      M.map (incomeAt day) lastToFirstIncomesByUser
-
-    incomeAt day lastToFirstIncome =
-      Maybe.maybe 0 _income_amount
-      . Maybe.listToMaybe
-      . dropWhile (\i -> _income_date i > day)
-      $ lastToFirstIncome
-
-    lastToFirstIncomesByUser =
-      M.map (reverse . L.sortOn _income_date)
-      . groupBy _income_userId
-      $ incomes
-
-    initMonthStats =
-      M.fromList
-      . map (\category -> (category, 0))
-      . L.nub
-      $ map _payment_category payments
-
-    alter p Nothing           = Just (addPayment p initMonthStats)
-    alter p (Just monthStats) = Just (addPayment p monthStats)
-
-    addPayment p monthStats = M.adjust ((+) (_payment_cost p)) (_payment_category p) monthStats
-
-    startOfMonth day =
-      let (y, m, _) = Calendar.toGregorian day
-      in  Calendar.fromGregorian y m 1
-
-groupBy :: Ord k => (a -> k) -> [a] -> Map k [a]
-groupBy key =
-  M.fromListWith (++) . map (key &&& pure)
diff --git a/server/src/Util/Time.hs b/server/src/Util/Time.hs
deleted file mode 100644
index 4a29fcc..0000000
--- a/server/src/Util/Time.hs
+++ /dev/null
@@ -1,22 +0,0 @@
-module Util.Time
-  ( belongToCurrentMonth
-  , belongToCurrentWeek
-  ) where
-
-import           Data.Time.Calendar          (toGregorian)
-import           Data.Time.Calendar.WeekDate (toWeekDate)
-import           Data.Time.Clock             (UTCTime, getCurrentTime)
-
-import qualified Common.Util.Time            as Time
-
-belongToCurrentMonth :: UTCTime -> IO Bool
-belongToCurrentMonth time = do
-  (timeYear, timeMonth, _) <- toGregorian <$> Time.timeToDay time
-  (actualYear, actualMonth, _) <- toGregorian <$> (getCurrentTime >>= Time.timeToDay)
-  return (actualYear == timeYear && actualMonth == timeMonth)
-
-belongToCurrentWeek :: UTCTime -> IO Bool
-belongToCurrentWeek time = do
-  (timeYear, timeWeek, _) <- toWeekDate <$> Time.timeToDay time
-  (actualYear, actualWeek, _) <- toWeekDate <$> (getCurrentTime >>= Time.timeToDay)
-  return (actualYear == timeYear && actualWeek == timeWeek)
diff --git a/server/src/Validation/Category.hs b/server/src/Validation/Category.hs
deleted file mode 100644
index 12f2117..0000000
--- a/server/src/Validation/Category.hs
+++ /dev/null
@@ -1,27 +0,0 @@
-module Validation.Category
-  ( createCategory
-  , editCategory
-  ) where
-
-import           Data.Text                  (Text)
-import           Data.Validation            (Validation)
-import qualified Data.Validation            as V
-
-import           Common.Model               (CreateCategoryForm (..),
-                                             EditCategoryForm (..))
-import qualified Common.Validation.Category as CategoryValidation
-import           Model.CreateCategory       (CreateCategory (..))
-import           Model.EditCategory         (EditCategory (..))
-
-createCategory :: CreateCategoryForm -> Validation Text CreateCategory
-createCategory form =
-  CreateCategory
-    <$> CategoryValidation.name (_createCategoryForm_name form)
-    <*> CategoryValidation.color (_createCategoryForm_color form)
-
-editCategory :: EditCategoryForm -> Validation Text EditCategory
-editCategory form =
-  EditCategory
-    <$> V.Success (_editCategoryForm_id form)
-    <*> CategoryValidation.name (_editCategoryForm_name form)
-    <*> CategoryValidation.color (_editCategoryForm_color form)
diff --git a/server/src/Validation/Income.hs b/server/src/Validation/Income.hs
deleted file mode 100644
index 5e034d1..0000000
--- a/server/src/Validation/Income.hs
+++ /dev/null
@@ -1,27 +0,0 @@
-module Validation.Income
-  ( createIncome
-  , editIncome
-  ) where
-
-import           Data.Text                (Text)
-import           Data.Validation          (Validation)
-import qualified Data.Validation          as V
-
-import           Common.Model             (CreateIncomeForm (..),
-                                           EditIncomeForm (..))
-import qualified Common.Validation.Income as IncomeValidation
-import           Model.CreateIncome       (CreateIncome (..))
-import           Model.EditIncome         (EditIncome (..))
-
-createIncome :: CreateIncomeForm -> Validation Text CreateIncome
-createIncome form =
-  CreateIncome
-    <$> IncomeValidation.amount (_createIncomeForm_amount form)
-    <*> IncomeValidation.date (_createIncomeForm_date form)
-
-editIncome :: EditIncomeForm -> Validation Text EditIncome
-editIncome form =
-  EditIncome
-    <$> V.Success (_editIncomeForm_id form)
-    <*> IncomeValidation.amount (_editIncomeForm_amount form)
-    <*> IncomeValidation.date (_editIncomeForm_date form)
diff --git a/server/src/Validation/Payment.hs b/server/src/Validation/Payment.hs
deleted file mode 100644
index 20e370e..0000000
--- a/server/src/Validation/Payment.hs
+++ /dev/null
@@ -1,33 +0,0 @@
-module Validation.Payment
-  ( createPayment
-  , editPayment
-  ) where
-
-import           Data.Text                 (Text)
-import           Data.Validation           (Validation)
-import qualified Data.Validation           as V
-
-import           Common.Model              (CategoryId, CreatePaymentForm (..),
-                                            EditPaymentForm (..))
-import qualified Common.Validation.Payment as PaymentValidation
-import           Model.CreatePayment       (CreatePayment (..))
-import           Model.EditPayment         (EditPayment (..))
-
-createPayment :: [CategoryId] -> CreatePaymentForm -> Validation Text CreatePayment
-createPayment categories form =
-  CreatePayment
-    <$> PaymentValidation.name (_createPaymentForm_name form)
-    <*> PaymentValidation.cost (_createPaymentForm_cost form)
-    <*> PaymentValidation.date (_createPaymentForm_date form)
-    <*> PaymentValidation.category categories (_createPaymentForm_category form)
-    <*> V.Success (_createPaymentForm_frequency form)
-
-editPayment :: [CategoryId] -> EditPaymentForm -> Validation Text EditPayment
-editPayment categories form =
-  EditPayment
-    <$> V.Success (_editPaymentForm_id form)
-    <*> PaymentValidation.name (_editPaymentForm_name form)
-    <*> PaymentValidation.cost (_editPaymentForm_cost form)
-    <*> PaymentValidation.date (_editPaymentForm_date form)
-    <*> PaymentValidation.category categories (_editPaymentForm_category form)
-    <*> V.Success (_editPaymentForm_frequency form)
diff --git a/server/src/Validation/SignIn.hs b/server/src/Validation/SignIn.hs
deleted file mode 100644
index dc86122..0000000
--- a/server/src/Validation/SignIn.hs
+++ /dev/null
@@ -1,16 +0,0 @@
-module Validation.SignIn
-  ( signIn
-  ) where
-
-import           Data.Text                (Text)
-import           Data.Validation          (Validation)
-
-import           Common.Model             (SignInForm (..))
-import qualified Common.Validation.SignIn as SignInValidation
-import           Model.SignIn             (SignIn (..))
-
-signIn :: SignInForm -> Validation Text SignIn
-signIn form =
-  SignIn
-    <$> SignInValidation.email (_signInForm_email form)
-    <*> SignInValidation.password (_signInForm_password form)
diff --git a/server/src/View/Mail/WeeklyReport.hs b/server/src/View/Mail/WeeklyReport.hs
deleted file mode 100644
index 3fe224f..0000000
--- a/server/src/View/Mail/WeeklyReport.hs
+++ /dev/null
@@ -1,124 +0,0 @@
-module View.Mail.WeeklyReport
-  ( mail
-  ) where
-
-import           Data.List             (sortOn)
-import           Data.Map              (Map)
-import qualified Data.Map              as M
-import           Data.Maybe            (catMaybes, fromMaybe)
-import           Data.Monoid           ((<>))
-import           Data.Text             (Text)
-import qualified Data.Text             as T
-import           Data.Time.Clock       (UTCTime)
-
-import           Common.Model          (ExceedingPayer (..), Income (..),
-                                        Payment (..), User (..), UserId)
-import qualified Common.Model          as CM
-import qualified Common.Msg            as Msg
-import qualified Common.View.Format    as Format
-
-import           Conf                  (Conf)
-import qualified Conf                  as Conf
-import           Model.IncomeResource  (IncomeResource (..))
-import           Model.Mail            (Mail (Mail))
-import qualified Model.Mail            as M
-import           Model.PaymentResource (PaymentResource (..))
-import qualified Payer                 as Payer
-import           Resource              (Status (..), groupByStatus, statuses)
-
-mail :: Conf -> [User] -> [Income] -> [Payment] -> Map UserId Int -> Map UserId Int -> Map UserId Int -> UTCTime -> UTCTime -> Mail
-mail conf users weekIncomes weekPayments cumulativeIncome preIncomeRepartition postIncomeRepartition start end =
-  Mail
-    { M.from = Conf.noReplyMail conf
-    , M.to = map _user_email users
-    , M.subject = T.concat
-        [ Msg.get Msg.App_Title
-        , " − "
-        , Msg.get Msg.WeeklyReport_Title
-        ]
-    , M.body = body conf users weekIncomes weekPayments cumulativeIncome preIncomeRepartition postIncomeRepartition start end
-    }
-
-body :: Conf -> [User] -> [Income] -> [Payment] -> Map UserId Int -> Map UserId Int -> Map UserId Int -> UTCTime -> UTCTime -> Text
-body conf users weekIncomes weekPayments cumulativeIncome preIncomeRepartition postIncomeRepartition start end =
-  T.intercalate "\n" $
-    [ exceedingPayers conf users cumulativeIncome preIncomeRepartition postIncomeRepartition
-    , operations conf users paymentsGroupedByStatus incomesGroupedByStatus
-    ]
-      where
-        paymentsGroupedByStatus = groupByStatus start end . map PaymentResource $ weekPayments
-        incomesGroupedByStatus = groupByStatus start end . map IncomeResource $ weekIncomes
-
-exceedingPayers :: Conf -> [User] -> Map UserId Int -> Map UserId Int -> Map UserId Int -> Text
-exceedingPayers conf users cumulativeIncome preIncomeRepartition postIncomeRepartition =
-  T.intercalate "\n" . map formatPayer $ payers
-  where
-    payers = Payer.getExceedingPayers users cumulativeIncome preIncomeRepartition postIncomeRepartition
-    formatPayer p = T.concat
-      [ "  * "
-      , fromMaybe "" $ _user_name <$> CM.findUser (_exceedingPayer_userId p) users
-      , " + "
-      , Format.price (Conf.currency conf) $ _exceedingPayer_amount p
-      , "\n"
-      ]
-
-operations :: Conf -> [User] -> Map Status [PaymentResource] -> Map Status [IncomeResource] -> Text
-operations conf users paymentsByStatus incomesByStatus =
-  if M.null paymentsByStatus && M.null incomesByStatus
-    then
-      Msg.get Msg.WeeklyReport_Empty
-    else
-      T.intercalate "\n" . catMaybes . concat $
-        [ map (\s -> paymentSection s conf users <$> M.lookup s paymentsByStatus) statuses
-        , map (\s -> incomeSection s conf users <$> M.lookup s incomesByStatus) statuses
-        ]
-
-paymentSection :: Status -> Conf -> [User] -> [PaymentResource] -> Text
-paymentSection status conf users payments =
-  section sectionTitle sectionItems
-  where count = length payments
-        sectionTitle = Msg.get $ case status of
-          Created -> if count > 1 then Msg.WeeklyReport_PaymentsCreated count else Msg.WeeklyReport_PaymentCreated count
-          Edited -> if count > 1 then Msg.WeeklyReport_PaymentsEdited count else Msg.WeeklyReport_PaymentEdited count
-          Deleted -> if count > 1 then Msg.WeeklyReport_PaymentsDeleted count else Msg.WeeklyReport_PaymentDeleted count
-        sectionItems = map (payedFor status conf users) . sortOn _payment_date . map (\(PaymentResource p) -> p) $ payments
-
-payedFor :: Status -> Conf -> [User] -> Payment -> Text
-payedFor status conf users payment =
-  case status of
-    Deleted -> Msg.get (Msg.WeeklyReport_PayedForNot name amount for at)
-    _       -> Msg.get (Msg.WeeklyReport_PayedFor name amount for at)
-  where name = formatUserName (_payment_user payment) users
-        amount = Format.price (Conf.currency conf) . _payment_cost $ payment
-        for = _payment_name payment
-        at = Format.longDay $ _payment_date payment
-
-incomeSection :: Status -> Conf -> [User] -> [IncomeResource] -> Text
-incomeSection status conf users incomes =
-  section sectionTitle sectionItems
-  where count = length incomes
-        sectionTitle = Msg.get $ case status of
-          Created -> if count > 1 then Msg.WeeklyReport_IncomesCreated count else Msg.WeeklyReport_IncomeCreated count
-          Edited -> if count > 1 then Msg.WeeklyReport_IncomesEdited count else Msg.WeeklyReport_IncomeEdited count
-          Deleted -> if count > 1 then Msg.WeeklyReport_IncomesDeleted count else Msg.WeeklyReport_IncomeDeleted count
-        sectionItems = map (isPayedFrom status conf users) . sortOn _income_date . map (\(IncomeResource i) -> i) $ incomes
-
-isPayedFrom :: Status -> Conf -> [User] -> Income -> Text
-isPayedFrom status conf users income =
-  case status of
-    Deleted -> Msg.get (Msg.WeeklyReport_PayedFromNot name amount for)
-    _       -> Msg.get (Msg.WeeklyReport_PayedFrom name amount for)
-  where name = formatUserName (_income_userId income) users
-        amount = Format.price (Conf.currency conf) . _income_amount $ income
-        for = Format.longDay $ _income_date income
-
-formatUserName :: UserId -> [User] -> Text
-formatUserName userId = fromMaybe "−" . fmap _user_name . CM.findUser userId
-
-section :: Text -> [Text] -> Text
-section title items =
-  T.concat
-    [ title
-    , "\n\n"
-    , T.unlines . map ("  * " <>) $ items
-    ]
diff --git a/server/src/View/Page.hs b/server/src/View/Page.hs
deleted file mode 100644
index ae7a266..0000000
--- a/server/src/View/Page.hs
+++ /dev/null
@@ -1,43 +0,0 @@
-module View.Page
-  ( page
-  ) where
-
-import           Data.Aeson                    (encode)
-import qualified Data.Aeson.Types              as Json
-import           Data.Text.Internal.Lazy       (Text)
-import           Data.Text.Lazy.Encoding       (decodeUtf8)
-import           Prelude                       hiding (init)
-
-import           Text.Blaze.Html
-import           Text.Blaze.Html.Renderer.Text (renderHtml)
-import           Text.Blaze.Html5
-import qualified Text.Blaze.Html5              as H
-import           Text.Blaze.Html5.Attributes
-import qualified Text.Blaze.Html5.Attributes   as A
-
-import           Common.Model                  (Init)
-import qualified Common.Msg                    as Msg
-
-page :: Maybe Init -> Text
-page init =
-  renderHtml . docTypeHtml $ do
-    H.head $ do
-      meta ! charset "UTF-8"
-      meta ! name "viewport" ! content "width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0"
-      H.title (toHtml $ Msg.get Msg.App_Title)
-      script ! src "/javascript/main.js" $ ""
-      script ! src "https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.3/Chart.bundle.js" $ ""
-      jsonScript "init" init
-      link ! rel "stylesheet" ! type_ "text/css" ! href "/css/reset.css"
-      link ! rel "stylesheet" ! type_ "text/css" ! href "/css/main.css"
-      link ! rel "icon" ! type_ "image/png" ! href "/images/icon.png"
-    H.body $ do
-      H.div ! A.class_ "spinner" $ ""
-
-
-jsonScript :: Json.ToJSON a => Text -> a -> Html
-jsonScript scriptId json =
-  script
-    ! A.id (toValue scriptId)
-    ! type_ "application/json"
-    $ toHtml . decodeUtf8 . encode $ json