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{-# LANGUAGE RecordWildCards #-}
-- | The main module. Does little more than handle some basic ocnfic, then
-- call the server
module Main where
import Conferer (fetch)
import Conferer.Config (addSource, emptyConfig)
import qualified Conferer.Source.Aeson as ConfAeson
import qualified Conferer.Source.CLIArgs as ConfCLI
import qualified Conferer.Source.Env as ConfEnv
import qualified Conferer.Source.Yaml as ConfYaml
import Control.Monad.Extra (ifM)
import Control.Monad.IO.Class (MonadIO (liftIO))
import Control.Monad.Logger (runStderrLoggingT)
import Data.Default.Class (def)
import Database.Persist.Postgresql (withPostgresqlPool)
import Network.Wai.Handler.Warp (runSettings)
import Network.Wai.Middleware.RequestLogger (OutputFormat (..),
RequestLoggerSettings (..),
mkRequestLogger)
import System.Directory (doesFileExist)
import Config (ServerConfig (..))
import GTFS (loadGtfs)
import Server (application)
main :: IO ()
main = do
confconfig <- pure emptyConfig
>>= addSource ConfCLI.fromConfig
>>= addSource (ConfEnv.fromConfig "tracktrain")
-- for some reason the yaml source fails if the file does not exist, but json works fine
>>= (\c -> ifM (doesFileExist "./config.yaml")
(addSource (ConfYaml.fromFilePath "./config.yaml") c)
(pure c))
>>= (\c -> ifM (doesFileExist "./config.yml")
(addSource (ConfYaml.fromFilePath "./config.yml") c)
(pure c))
>>= addSource (ConfAeson.fromFilePath "./config.json")
settings@ServerConfig{..} <- fetch confconfig
gtfs <- loadGtfs serverConfigGtfs serverConfigZoneinfoPath
loggerMiddleware <- mkRequestLogger
$ def { outputFormat = Detailed True }
runStderrLoggingT $ withPostgresqlPool serverConfigDbString 10 $ \pool -> liftIO $ do
app <- application gtfs pool settings
putStrLn "starting server …"
runSettings serverConfigWarp (loggerMiddleware app)
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