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{-# LANGUAGE OverloadedStrings #-}
module SpaceTraders.Database.Contracts
( addContract
, getContracts
, setContract
, updateContract
) where
import Control.Monad.Reader
import Data.Aeson
import qualified Database.SQLite.Simple as S
import SpaceTraders
import SpaceTraders.Model.Contract
import SpaceTraders.Utils
addContract :: (HasDatabaseConn env, MonadIO m, MonadReader env m) => Contract -> m ()
addContract contract = execute "INSERT INTO contracts(data) VALUES (json(?));" (S.Only (encode contract))
getContracts :: (HasDatabaseConn env, MonadIO m, MonadReader env m) => m [Contract]
getContracts = query_ "SELECT data FROM contracts;"
setContract :: (HasDatabaseConn env, MonadFail m, MonadIO m, MonadReader env m) => Contract -> m ()
setContract contract = do
c <- count "SELECT count(id) FROM contracts WHERE data->>'contractId' = ?;" (S.Only $ contractId contract)
if c == 0 then addContract contract
else updateContract contract
updateContract :: (HasDatabaseConn env, MonadIO m, MonadReader env m) => Contract -> m ()
updateContract contract = execute "UPDATE contracts SET data = json(?) WHERE data->>'contractId' = ?;" (encode contract, contractId contract)
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