eidolon/Handler/AdminComments.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.AdminComments where
import Import
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import Handler.Commons
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import Data.Maybe
import Data.Time
import System.Locale
getAdminCommentR :: Handler Html
getAdminCommentR = do
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adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
media <- runDB $ selectList [] [Desc MediumTime]
comments <- runDB $ selectList [CommentParent ==. Nothing] [Desc CommentTime]
replies <- runDB $ selectList [CommentParent !=. Nothing] [Desc CommentTime]
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formLayout $ do
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setTitle "Administration: Comments"
$(widgetFile "adminComments")
Left (errorMsg, route) -> do
setMessage errorMsg
redirect $ route
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getAdminCommentDeleteR :: CommentId -> Handler Html
getAdminCommentDeleteR commentId = do
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adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempComment <- runDB $ get commentId
case tempComment of
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Just _ -> do
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-- delete comment children
children <- runDB $ selectList [CommentParent ==. (Just commentId)] []
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_ <- mapM (\ent -> runDB $ delete $ entityKey ent) children
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-- delete comment itself
runDB $ delete commentId
setMessage "Comment deleted succesfully"
redirect $ AdminR
Nothing -> do
setMessage "This comment does not exist"
redirect $ AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect $ route