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{-# LANGUAGE OverloadedStrings #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Model.Payment
( Payment(..)
, find
, list
, listMonthly
, create
, createMany
, editOwn
, deleteOwn
, modifiedDuring
) where
import Data.Maybe (listToMaybe)
import Data.Text (Text)
import qualified Data.Text as T
import Data.Time (UTCTime)
import Data.Time.Calendar (Day)
import Data.Time.Clock (getCurrentTime)
import Database.SQLite.Simple (FromRow (fromRow), Only (Only),
ToRow)
import qualified Database.SQLite.Simple as SQLite
import Database.SQLite.Simple.ToField (ToField (toField))
import Prelude hiding (id)
import Common.Model (Frequency (..), Payment (..),
PaymentId, UserId)
import Model.Frequency ()
import Model.Query (Query (Query))
import Resource (Resource, resourceCreatedAt,
resourceDeletedAt,
resourceEditedAt)
instance Resource Payment where
resourceCreatedAt = _payment_createdAt
resourceEditedAt = _payment_editedAt
resourceDeletedAt = _payment_deletedAt
instance FromRow Payment where
fromRow = Payment <$>
SQLite.field <*>
SQLite.field <*>
SQLite.field <*>
SQLite.field <*>
SQLite.field <*>
SQLite.field <*>
SQLite.field <*>
SQLite.field <*>
SQLite.field
instance ToRow Payment where
toRow p =
[ toField (_payment_user p)
, toField (_payment_name p)
, toField (_payment_cost p)
, toField (_payment_date p)
, toField (_payment_frequency p)
, toField (_payment_createdAt p)
]
find :: PaymentId -> Query (Maybe Payment)
find paymentId =
Query (\conn -> listToMaybe <$>
SQLite.query conn "SELECT * FROM payment WHERE id = ?" (Only paymentId)
)
list :: Query [Payment]
list =
Query (\conn ->
SQLite.query_ conn "SELECT * FROM payment WHERE deleted_at IS NULL"
)
listMonthly :: Query [Payment]
listMonthly =
Query (\conn ->
SQLite.query
conn
(SQLite.Query $ T.intercalate " "
[ "SELECT *"
, "FROM payment"
, "WHERE deleted_at IS NULL AND frequency = ?"
, "ORDER BY name DESC"
])
(Only Monthly)
)
create :: UserId -> Text -> Int -> Day -> Frequency -> Query PaymentId
create userId paymentName paymentCost paymentDate paymentFrequency =
Query (\conn -> do
now <- getCurrentTime
SQLite.execute
conn
(SQLite.Query $ T.intercalate " "
[ "INSERT INTO payment (user_id, name, cost, date, frequency, created_at)"
, "VALUES (?, ?, ?, ?, ?, ?)"
])
(userId, paymentName, paymentCost, paymentDate, paymentFrequency, now)
SQLite.lastInsertRowId conn
)
createMany :: [Payment] -> Query ()
createMany payments =
Query (\conn ->
SQLite.executeMany
conn
(SQLite.Query $ T.intercalate ""
[ "INSERT INTO payment (user_id, name, cost, date, frequency, created_at)"
, "VALUES (?, ?, ?, ?, ?, ?)"
])
payments
)
editOwn :: UserId -> PaymentId -> Text -> Int -> Day -> Frequency -> Query Bool
editOwn userId paymentId paymentName paymentCost paymentDate paymentFrequency =
Query (\conn -> do
mbPayment <- listToMaybe <$>
SQLite.query conn "SELECT * FROM payment WHERE id = ?" (Only paymentId)
case mbPayment of
Just payment ->
if _payment_user payment == userId
then do
now <- getCurrentTime
SQLite.execute
conn
(SQLite.Query $ T.intercalate " "
[ "UPDATE payment"
, "SET edited_at = ?,"
, " name = ?,"
, " cost = ?,"
, " date = ?,"
, " frequency = ?"
, "WHERE id = ?"
])
(now, paymentName, paymentCost, paymentDate, paymentFrequency, paymentId)
return True
else
return False
Nothing ->
return False
)
deleteOwn :: UserId -> PaymentId -> Query Bool
deleteOwn userId paymentId =
Query (\conn -> do
mbPayment <- listToMaybe <$>
SQLite.query conn "SELECT * FROM payment WHERE id = ?" (Only paymentId)
case mbPayment of
Just payment ->
if _payment_user payment == userId
then do
now <- getCurrentTime
SQLite.execute
conn
"UPDATE payment SET deleted_at = ? WHERE id = ?"
(now, paymentId)
return True
else
return False
Nothing ->
return False
)
modifiedDuring :: UTCTime -> UTCTime -> Query [Payment]
modifiedDuring start end =
Query (\conn ->
SQLite.query
conn
(SQLite.Query $ T.intercalate " "
[ "SELECT *"
, "FROM payment"
, "WHERE (created_at >= ? AND created_at <= ?)"
, " OR (edited_at >= ? AND edited_at <= ?)"
, " OR (deleted_at >= ? AND deleted_at <= ?)"
])
(start, end, start, end, start, end)
)
|
