Using incomes to compute a fair computation to designate the payer

3 files changed, 40 insertions, 19 deletions

diff --git a/src/server/Model/Json/Income.hs b/src/server/Model/Json/Income.hs
new file mode 100644
index 0000000..4549ca5
--- /dev/null
+++ b/src/server/Model/Json/Income.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Model.Json.Income
+  ( Income(..)
+  ) where
+
+import GHC.Generics
+
+import Data.Aeson
+import Data.Time.Clock (UTCTime)
+
+data Income = Income
+  { creation :: UTCTime
+  , amount :: Int
+  } deriving (Show, Generic)
+
+instance FromJSON Income
+instance ToJSON Income
diff --git a/src/server/Model/Json/Payer.hs b/src/server/Model/Json/Payer.hs
new file mode 100644
index 0000000..2101e40
--- /dev/null
+++ b/src/server/Model/Json/Payer.hs
@@ -0,0 +1,22 @@
+{-# LANGUAGE DeriveGeneric #-}
+
+module Model.Json.Payer
+  ( Payer(..)
+  ) where
+
+import GHC.Generics
+
+import Data.Aeson
+
+import Model.Database (UserId)
+import Model.Json.Income
+
+data Payer = Payer
+  { userId :: UserId
+  , preIncomePaymentSum :: Int
+  , postIncomePaymentSum :: Int
+  , incomes :: [Income]
+  } deriving (Show, Generic)
+
+instance FromJSON Payer
+instance ToJSON Payer
diff --git a/src/server/Model/Json/TotalPayment.hs b/src/server/Model/Json/TotalPayment.hs
deleted file mode 100644
index 2b1cd06..0000000
--- a/src/server/Model/Json/TotalPayment.hs
+++ /dev/null
@@ -1,19 +0,0 @@
-{-# LANGUAGE DeriveGeneric #-}
-
-module Model.Json.TotalPayment
-  ( TotalPayment(..)
-  ) where
-
-import GHC.Generics
-
-import Data.Aeson
-
-import Model.Database (UserId)
-
-data TotalPayment = TotalPayment
-  { userId :: UserId
-  , totalPayment :: Int
-  } deriving (Show, Generic)
-
-instance FromJSON TotalPayment
-instance ToJSON TotalPayment