lebd/src/Handler/Categories.hs

20 lines
611 B
Haskell

{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
module Handler.Categories where
import Import hiding ( on, (==.) )
import Database.Esqueleto
import Widget.Feed ( hFeed )
import Model.Category ( Category, asTag )
getCategoryR :: Category -> Handler Html
getCategoryR tag = do
entries <- runDB . select . from $ \(entry `InnerJoin` category) -> do
on $ entry ^. EntryId ==. category ^. EntryCategoryEntryId
where_ $ category ^. EntryCategoryCategory ==. val tag
return entry
defaultLayout $ do
setTitle . toHtml . asTag $ tag
hFeed entries