mateamt/src/Model/Product.hs

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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE OverloadedStrings #-}
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module Model.Product where
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import Data.Text as T
import Data.Time.Calendar (Day)
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import Data.Profunctor.Product (p13)
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import Data.Aeson
import Data.Aeson.Types
import Data.Int (Int64)
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import Control.Monad.IO.Class (liftIO)
import Control.Arrow ((<<<))
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import qualified Database.PostgreSQL.Simple as PGS
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import GHC.Generics
import Opaleye as O
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import Opaleye.Constant as C
-- internal imports
import Types
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initProduct :: PGS.Query
initProduct = "create Table if not exists \"product\" (product_id serial primary key, product_ident varchar(128) not null, product_price integer not null, product_amount integer not null, product_vanish integer not null, product_ml integer not null, product_avatar integer, product_supplier integer, product_max_amount integer not null, product_total_bought integer not null, product_amount_per_crate integer not null, product_price_per_crate integer, product_art_nr varchar(128))"
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productTable :: Table
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( Maybe (Field SqlInt4)
, Field SqlText
, Field SqlInt4
, Field SqlInt4
, Field SqlInt4
, Field SqlInt4
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, FieldNullable SqlInt4
, FieldNullable SqlInt4
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, Field SqlInt4
, Field SqlInt4
, Field SqlInt4
, FieldNullable SqlInt4
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, FieldNullable SqlText
)
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( Field SqlInt4
, Field SqlText
, Field SqlInt4
, Field SqlInt4
, Field SqlInt4
, Field SqlInt4
, FieldNullable SqlInt4
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, FieldNullable SqlInt4
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, Field SqlInt4
, Field SqlInt4
, Field SqlInt4
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, FieldNullable SqlInt4
, FieldNullable SqlText
)
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productTable = table "product" (
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p13
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( tableField "product_id"
, tableField "product_ident"
, tableField "product_price"
, tableField "product_amount"
, tableField "product_vanish"
, tableField "product_ml"
, tableField "product_avatar"
, tableField "product_supplier"
, tableField "product_max_amount"
, tableField "product_total_bought"
, tableField "product_amount_per_crate"
, tableField "product_price_per_crate"
, tableField "product_art_nr"
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)
)
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productSelect
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:: PGS.Connection
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-> MateHandler [Product]
productSelect conn = do
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bevs <- liftIO $ runSelect conn
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( keepWhen (\_ -> C.constant True) <<< queryTable productTable
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) :: MateHandler
[ ( Int
, T.Text
, Int
, Int
, Int
, Int
, Maybe Int
, Maybe Int
, Int
, Int
, Int
, Maybe Int
, Maybe T.Text
)
]
mapM
(\(i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12, i13) -> return $
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Product i1 i2 i3 i4 i5 i6 i7 i8 i9 i10 i11 i12 i13
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)
bevs
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insertProduct
:: ProductSubmit
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-> Insert [Int]
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insertProduct (ProductSubmit ident price ml ava sup max apc ppc artnr) = Insert
{ iTable = productTable
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, iRows =
[
( C.constant (Nothing :: Maybe Int)
, C.constant ident
, C.constant price
, C.constant (0 :: Int)
, C.constant (0 :: Int)
, C.constant ml
, C.constant ava
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, C.constant sup
, C.constant max
, C.constant (0 :: Int)
, C.constant apc
, C.constant ppc
, C.constant artnr
)
]
, iReturning = rReturning (\(id, _, _, _, _, _, _, _, _, _, _, _, _) -> id)
, iOnConflict = Nothing
}
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updateProduct
:: Int
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-> ProductSubmit
-> Update Int64
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updateProduct sid (ProductSubmit ident price ml ava sup max apc ppc artnr) = Update
{ uTable = productTable
, uUpdateWith = updateEasy (\(id_, _, _, amo, van, _, _, _, _, tot, _, _, _) ->
( id_
, C.constant ident
, C.constant price
, amo
, van
, C.constant ml
, C.constant ava
, C.constant sup
, C.constant max
, tot
, C.constant apc
, C.constant ppc
, C.constant artnr
)
)
, uWhere =
(\(id_, _, _, _, _, _, _, _, _, _, _, _, _) ->
id_ .== C.constant sid
)
, uReturning = rCount
}