mateamt/src/Model/User.hs
2019-04-17 07:51:15 +02:00

168 lines
4 KiB
Haskell

{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DuplicateRecordFields #-}
module Model.User where
import Data.Text as T
import Data.Time.Calendar
import Data.Time.Clock
import Data.Profunctor.Product (p7)
import Data.Aeson
import Data.Int (Int64)
import Data.Maybe (fromJust)
import qualified Database.PostgreSQL.Simple as PGS
import GHC.Generics
import Control.Arrow ((<<<))
import Opaleye as O
import qualified Opaleye.Constant as C
-- internal imports
import Types.Refine
data User
= User
{ userId :: Int
, userIdent :: T.Text
, userBalance :: Int
, userTimeStamp :: Day
, userEmail :: Maybe T.Text
, userAvatar :: Maybe Int
, userPin :: Maybe T.Text
}
| QueryUser
{ userId :: Int
, userIdent :: T.Text
, userAvatar :: Maybe Int
}
deriving (Generic, Show)
instance ToJSON User where
toEncoding (User id ident balance ts email avatar _) =
pairs
( "userId" .= id
<> "userIdent" .= ident
<> "userBalance" .= balance
<> "userTimeStamp" .= ts
<> "userEmail" .= email
<> "userAvatar" .= avatar
)
toEncoding (QueryUser id ident avatar) =
pairs
( "userId" .= id
<> "userIdent" .= ident
<> "userAvatar" .= avatar
)
instance FromJSON User
data UserSubmit = UserSubmit
{ userSubmitIdent :: T.Text
, userSubmitEmail :: Maybe T.Text
, userSubmitPin :: Maybe T.Text
}
deriving (Generic, Show)
instance ToJSON UserSubmit where
toEncoding = genericToEncoding defaultOptions
instance FromJSON UserSubmit
initUser :: PGS.Query
initUser = "create table if not exists \"user\" (id serial primary key, ident varchar(128) not null, balance integer not null, time_stamp date not null, email varchar(128), avatar integer, pin varchar(128))"
userTable :: Table
( Maybe (Field SqlInt4)
, Field SqlText
, Field SqlInt4
, Field SqlDate
, FieldNullable SqlText
, FieldNullable SqlInt4
, FieldNullable SqlText
)
( Field SqlInt4
, Field SqlText
, Field SqlInt4
, Field SqlDate
, FieldNullable SqlText
, FieldNullable SqlInt4
, FieldNullable SqlText
)
userTable = table "user" (
p7
( tableField "id"
, tableField "ident"
, tableField "balance"
, tableField "time_stamp"
, tableField "email"
, tableField "avatar"
, tableField "pin"
)
)
userSelect
:: PGS.Connection
-> Maybe Refine
-> Bool
-> IO [User]
userSelect conn ref sw = do
today <- utctDay <$> getCurrentTime
users <- runSelect conn (case ref of
Nothing -> keepWhen (\(_, _, _, ts, _, _, _) ->
ts .>= C.constant (addDays (-30) today)
) <<< queryTable userTable
Just All -> selectTable userTable
Just Old -> keepWhen (\(_, _, _, ts, _, _, _) ->
ts .<= C.constant (addDays (-30) today)
) <<< queryTable userTable
) :: IO [(Int, Text, Int, Day, Maybe Text, Maybe Int, Maybe Text)]
mapM
(\(i1, i2, i3, i4, i5, i6, i7) -> return $
if sw
then User i1 i2 i3 i4 i5 i6 i7
else QueryUser i1 i2 i6
)
users
insertUser :: UserSubmit -> Day -> Insert [Int]
insertUser us now = Insert
{ iTable = userTable
, iRows =
[
( C.constant (Nothing :: Maybe Int)
, C.constant (userSubmitIdent us)
, C.constant (0 :: Int)
, C.constant now
, C.constant (userSubmitEmail us)
, C.constant (Nothing :: Maybe Int)
, C.constant (userSubmitPin us)
)
]
, iReturning = rReturning (\(id, _, _, _, _, _, _) -> id)
, iOnConflict = Nothing
}
updateUser :: Int -> UserSubmit -> Day -> Update Int64
updateUser id us now = Update
{ uTable = userTable
, uUpdateWith = updateEasy (\(id_, _, i3, _, _, i6, _) ->
( id_
, C.constant (userSubmitIdent us)
, i3
, C.constant (now)
, C.constant (userSubmitEmail us)
, i6
, C.constant (userSubmitPin us)
)
)
, uWhere = (\(i1, _, _, _, _, _, _) -> i1 .== C.constant id)
, uReturning = rCount
}