eidolon/Handler/Tag.hs
2017-10-21 21:18:59 +02:00

36 lines
1.3 KiB
Haskell
Executable file

-- eidolon -- A simple gallery in Haskell and Yesod
-- Copyright (C) 2015 Amedeo Molnár
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published
-- by the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
module Handler.Tag where
import Import
import qualified Data.Text as T
import Data.Maybe (catMaybes)
import System.FilePath
getTagR :: Text -> Handler Html
getTagR tag = do
media <- runDB $ do
almostMedia <- selectList [] [Asc MediumTitle]
ret <- catMaybes <$> mapM (\a ->
if tag `elem` mediumTags (entityVal a)
then return (Just a)
else return Nothing
) almostMedia
return ret
defaultLayout $ do
setTitle $ toHtml ("Eidolon :: Tag " `T.append` tag)
$(widgetFile "tagMedia")