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|
{-# LANGUAGE OverloadedStrings #-}
module Job.Model
( Job(..)
, getLastExecution
, actualizeLastExecution
, actualizeLastCheck
) where
import Data.Maybe (isJust)
import Data.Time.Clock (UTCTime, getCurrentTime)
import Database.SQLite.Simple (Only(Only))
import qualified Database.SQLite.Simple as SQLite
import Prelude hiding (id)
import Job.Kind
import Model.Query (Query(Query))
data Job = Job
{ id :: String
, kind :: Kind
, lastExecution :: Maybe UTCTime
, lastCheck :: Maybe UTCTime
} deriving (Show)
getLastExecution :: Kind -> Query (Maybe UTCTime)
getLastExecution jobKind =
Query (\conn -> do
[Only time] <- SQLite.query conn "SELECT last_execution FROM job WHERE kind = ?" (Only jobKind) :: IO [Only (Maybe UTCTime)]
return time
)
actualizeLastExecution :: Kind -> UTCTime -> Query ()
actualizeLastExecution jobKind time =
Query (\conn -> do
[Only result] <- SQLite.query conn "SELECT 1 FROM job WHERE kind = ?" (Only jobKind) :: IO [Only (Maybe Int)]
if isJust result
then SQLite.execute conn "UPDATE job SET last_execution = ? WHERE kind = ?" (time, jobKind)
else SQLite.execute conn "INSERT INTO job (kind, last_execution, last_check) VALUES (?, ?, ?)" (jobKind, time, time)
)
actualizeLastCheck :: Kind -> Query ()
actualizeLastCheck jobKind =
Query (\conn -> do
now <- getCurrentTime
SQLite.execute conn "UPDATE job SET kind = ? WHERE last_check = ?" (jobKind, now)
)
|
