16 files changed, 355 insertions, 0 deletions
diff --git a/src/common/Model/Category.hs b/src/common/Model/Category.hs
new file mode 100644
index 0000000..53a6bdb
--- /dev/null
+++ b/src/common/Model/Category.hs
@@ -0,0 +1,26 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.Category
+  ( CategoryId
+  , Category(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Int (Int64)
+import Data.Text (Text)
+import Data.Time (UTCTime)
+import GHC.Generics (Generic)
+
+type CategoryId = Int64
+
+data Category = Category
+  { _category_id :: CategoryId
+  , _category_name :: Text
+  , _category_color :: Text
+  , _category_createdAt :: UTCTime
+  , _category_editedAt :: Maybe UTCTime
+  , _category_deletedAt :: Maybe UTCTime
+  } deriving (Show, Generic)
+
+instance FromJSON Category
+instance ToJSON Category
diff --git a/src/common/Model/CreateCategory.hs b/src/common/Model/CreateCategory.hs
new file mode 100644
index 0000000..bfe24c5
--- /dev/null
+++ b/src/common/Model/CreateCategory.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.CreateCategory
+  ( CreateCategory(..)
+  ) where
+
+import Data.Aeson (FromJSON)
+import Data.Text (Text)
+import GHC.Generics (Generic)
+
+data CreateCategory = CreateCategory
+  { _createCategory_name :: Text
+  , _createCategory_color :: Text
+  } deriving (Show, Generic)
+
+instance FromJSON CreateCategory
diff --git a/src/common/Model/CreateIncome.hs b/src/common/Model/CreateIncome.hs
new file mode 100644
index 0000000..4ee3a50
--- /dev/null
+++ b/src/common/Model/CreateIncome.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.CreateIncome
+  ( CreateIncome(..)
+  ) where
+
+import Data.Aeson (FromJSON)
+import Data.Time.Calendar (Day)
+import GHC.Generics (Generic)
+
+data CreateIncome = CreateIncome
+  { _createIncome_date :: Day
+  , _createIncome_amount :: Int
+  } deriving (Show, Generic)
+
+instance FromJSON CreateIncome
diff --git a/src/common/Model/CreatePayment.hs b/src/common/Model/CreatePayment.hs
new file mode 100644
index 0000000..b5b6256
--- /dev/null
+++ b/src/common/Model/CreatePayment.hs
@@ -0,0 +1,23 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.CreatePayment
+  ( CreatePayment(..)
+  ) where
+
+import Data.Aeson (FromJSON)
+import Data.Text (Text)
+import Data.Time.Calendar (Day)
+import GHC.Generics (Generic)
+
+import Common.Model.Category (CategoryId)
+import Common.Model.Frequency (Frequency)
+
+data CreatePayment = CreatePayment
+  { _createPayment_name :: Text
+  , _createPayment_cost :: Int
+  , _createPayment_date :: Day
+  , _createPayment_category :: CategoryId
+  , _createPayment_frequency :: Frequency
+  } deriving (Show, Generic)
+
+instance FromJSON CreatePayment
diff --git a/src/common/Model/Currency.hs b/src/common/Model/Currency.hs
new file mode 100644
index 0000000..7c12545
--- /dev/null
+++ b/src/common/Model/Currency.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.Currency
+  ( Currency(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Text (Text)
+import GHC.Generics (Generic)
+
+newtype Currency = Currency Text deriving (Show, Generic)
+
+instance FromJSON Currency
+instance ToJSON Currency
diff --git a/src/common/Model/EditCategory.hs b/src/common/Model/EditCategory.hs
new file mode 100644
index 0000000..2a3a697
--- /dev/null
+++ b/src/common/Model/EditCategory.hs
@@ -0,0 +1,19 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.EditCategory
+  ( EditCategory(..)
+  ) where
+
+import Data.Aeson (FromJSON)
+import Data.Text (Text)
+import GHC.Generics (Generic)
+
+import Common.Model.Category (CategoryId)
+
+data EditCategory = EditCategory
+  { _editCategory_id :: CategoryId
+  , _editCategory_name :: Text
+  , _editCategory_color :: Text
+  } deriving (Show, Generic)
+
+instance FromJSON EditCategory
diff --git a/src/common/Model/EditIncome.hs b/src/common/Model/EditIncome.hs
new file mode 100644
index 0000000..a55c39e
--- /dev/null
+++ b/src/common/Model/EditIncome.hs
@@ -0,0 +1,19 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.EditIncome
+  ( EditIncome(..)
+  ) where
+
+import Data.Aeson (FromJSON)
+import Data.Time.Calendar (Day)
+import GHC.Generics (Generic)
+
+import Common.Model.Income (IncomeId)
+
+data EditIncome = EditIncome
+  { _editIncome_id :: IncomeId
+  , _editIncome_date :: Day
+  , _editIncome_amount :: Int
+  } deriving (Show, Generic)
+
+instance FromJSON EditIncome
diff --git a/src/common/Model/EditPayment.hs b/src/common/Model/EditPayment.hs
new file mode 100644
index 0000000..172c0c1
--- /dev/null
+++ b/src/common/Model/EditPayment.hs
@@ -0,0 +1,25 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.EditPayment
+  ( EditPayment(..)
+  ) where
+
+import Data.Aeson (FromJSON)
+import Data.Text (Text)
+import Data.Time.Calendar (Day)
+import GHC.Generics (Generic)
+
+import Common.Model.Category (CategoryId)
+import Common.Model.Frequency (Frequency)
+import Common.Model.Payment (PaymentId)
+
+data EditPayment = EditPayment
+  { _editPayment_id :: PaymentId
+  , _editPayment_name :: Text
+  , _editPayment_cost :: Int
+  , _editPayment_date :: Day
+  , _editPayment_category :: CategoryId
+  , _editPayment_frequency :: Frequency
+  } deriving (Show, Generic)
+
+instance FromJSON EditPayment
diff --git a/src/common/Model/Frequency.hs b/src/common/Model/Frequency.hs
new file mode 100644
index 0000000..7c46605
--- /dev/null
+++ b/src/common/Model/Frequency.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.Frequency
+  ( Frequency(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import GHC.Generics (Generic)
+
+data Frequency =
+  Punctual
+  | Monthly
+  deriving (Eq, Read, Show, Generic)
+
+instance FromJSON Frequency
+instance ToJSON Frequency
diff --git a/src/common/Model/Income.hs b/src/common/Model/Income.hs
new file mode 100644
index 0000000..280812f
--- /dev/null
+++ b/src/common/Model/Income.hs
@@ -0,0 +1,29 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.Income
+  ( IncomeId
+  , Income(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Int (Int64)
+import Data.Time (UTCTime)
+import Data.Time.Calendar (Day)
+import GHC.Generics (Generic)
+
+import Common.Model.User (UserId)
+
+type IncomeId = Int64
+
+data Income = Income
+  { _income_id :: IncomeId
+  , _income_userId :: UserId
+  , _income_date :: Day
+  , _income_amount :: Int
+  , _income_createdAt :: UTCTime
+  , _income_editedAt :: Maybe UTCTime
+  , _income_deletedAt :: Maybe UTCTime
+  } deriving (Show, Generic)
+
+instance FromJSON Income
+instance ToJSON Income
diff --git a/src/common/Model/Init.hs b/src/common/Model/Init.hs
new file mode 100644
index 0000000..68fcfb8
--- /dev/null
+++ b/src/common/Model/Init.hs
@@ -0,0 +1,28 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.Init
+  ( Init(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import GHC.Generics (Generic)
+
+import Common.Model.Category (Category)
+import Common.Model.Currency (Currency)
+import Common.Model.Income (Income)
+import Common.Model.Payment (Payment)
+import Common.Model.PaymentCategory (PaymentCategory)
+import Common.Model.User (UserId, User)
+
+data Init = Init
+  { _init_users :: [User]
+  , _init_currentUser :: UserId
+  , _init_payments :: [Payment]
+  , _init_incomes :: [Income]
+  , _init_categories :: [Category]
+  , _init_paymentCategories :: [PaymentCategory]
+  , _init_currency :: Currency
+  } deriving (Show, Generic)
+
+instance FromJSON Init
+instance ToJSON Init
diff --git a/src/common/Model/InitResult.hs b/src/common/Model/InitResult.hs
new file mode 100644
index 0000000..43c16f9
--- /dev/null
+++ b/src/common/Model/InitResult.hs
@@ -0,0 +1,19 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.InitResult
+  ( InitResult(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Text (Text)
+import GHC.Generics (Generic)
+
+import Common.Model.Init (Init)
+
+data InitResult =
+  InitSuccess Init
+  | InitEmpty (Either Text (Maybe Text))
+  deriving (Show, Generic)
+
+instance FromJSON InitResult
+instance ToJSON InitResult
diff --git a/src/common/Model/Payment.hs b/src/common/Model/Payment.hs
new file mode 100644
index 0000000..804b501
--- /dev/null
+++ b/src/common/Model/Payment.hs
@@ -0,0 +1,33 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.Payment
+  ( PaymentId
+  , Payment(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Int (Int64)
+import Data.Text (Text)
+import Data.Time (UTCTime)
+import Data.Time.Calendar (Day)
+import GHC.Generics (Generic)
+
+import Common.Model.Frequency
+import Common.Model.User (UserId)
+
+type PaymentId = Int64
+
+data Payment = Payment
+  { _payment_id :: PaymentId
+  , _payment_user :: UserId
+  , _payment_name :: Text
+  , _payment_cost :: Int
+  , _payment_date :: Day
+  , _payment_frequency :: Frequency
+  , _payment_createdAt :: UTCTime
+  , _payment_editedAt :: Maybe UTCTime
+  , _payment_deletedAt :: Maybe UTCTime
+  } deriving (Show, Generic)
+
+instance FromJSON Payment
+instance ToJSON Payment
diff --git a/src/common/Model/PaymentCategory.hs b/src/common/Model/PaymentCategory.hs
new file mode 100644
index 0000000..a0e94f9
--- /dev/null
+++ b/src/common/Model/PaymentCategory.hs
@@ -0,0 +1,27 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.PaymentCategory
+  ( PaymentCategoryId
+  , PaymentCategory(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Int (Int64)
+import Data.Text (Text)
+import Data.Time (UTCTime)
+import GHC.Generics (Generic)
+
+import Common.Model.Category (CategoryId)
+
+type PaymentCategoryId = Int64
+
+data PaymentCategory = PaymentCategory
+  { _paymentCategory_id :: PaymentCategoryId
+  , _paymentCategory_name :: Text
+  , _paymentCategory_category :: CategoryId
+  , _paymentCategory_createdAt :: UTCTime
+  , _paymentCategory_editedAt :: Maybe UTCTime
+  } deriving (Show, Generic)
+
+instance FromJSON PaymentCategory
+instance ToJSON PaymentCategory
diff --git a/src/common/Model/SignIn.hs b/src/common/Model/SignIn.hs
new file mode 100644
index 0000000..f4da97f
--- /dev/null
+++ b/src/common/Model/SignIn.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.SignIn
+  ( SignIn(..)
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Text (Text)
+import GHC.Generics (Generic)
+
+data SignIn = SignIn
+  { _signIn_email :: Text
+  } deriving (Show, Generic)
+
+instance FromJSON SignIn
+instance ToJSON SignIn
diff --git a/src/common/Model/User.hs b/src/common/Model/User.hs
new file mode 100644
index 0000000..8c64bc2
--- /dev/null
+++ b/src/common/Model/User.hs
@@ -0,0 +1,29 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Common.Model.User
+  ( UserId
+  , User(..)
+  , find
+  ) where
+
+import Data.Aeson (FromJSON, ToJSON)
+import qualified Data.List as L
+import Data.Int (Int64)
+import Data.Text (Text)
+import Data.Time (UTCTime)
+import GHC.Generics (Generic)
+
+type UserId = Int64
+
+data User = User
+  { _user_id :: UserId
+  , _user_creation :: UTCTime
+  , _user_email :: Text
+  , _user_name :: Text
+  } deriving (Show, Generic)
+
+instance FromJSON User
+instance ToJSON User
+
+find :: UserId -> [User] -> Maybe User
+find userId users = L.find ((== userId) . _user_id) users