eidolon/Handler/Tag.hs

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-- 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
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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module Handler.Tag where
import Import
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import qualified Data.Text as T
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getTagR :: Text -> Handler Html
getTagR tag = do
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tempMedia <- runDB $ selectList [] [Desc MediumTitle]
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almostMedia <- mapM (\a -> do
case tag `elem` (mediumTags $ entityVal a) of
True -> return (Just a)
False -> return Nothing
) tempMedia
media <- return $ removeItem Nothing almostMedia
defaultLayout $ do
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setTitle $ toHtml ("Eidolon :: Tag " `T.append` tag)
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$(widgetFile "tagMedia")