eidolon/Handler/AdminMediumSettings.hs
2016-05-04 02:26:48 +02:00

148 lines
5.5 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.AdminMediumSettings where
import Import
import Handler.Commons
import System.FilePath
import System.Directory
import Data.List (tail)
import qualified Data.Text as T
getAdminMediaR :: Handler Html
getAdminMediaR = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
media <- runDB $ selectList [] [Asc MediumTitle]
defaultLayout $ do
setTitle "Administration: Media"
$(widgetFile "adminMedia")
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
getAdminMediumSettingsR :: MediumId -> Handler Html
getAdminMediumSettingsR mediumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempMedium <- runDB $ get mediumId
case tempMedium of
Just medium -> do
(adminMediumSetWidget, enctype) <- generateFormPost $
renderBootstrap3 BootstrapBasicForm $
adminMediumSetForm medium
formLayout $ do
setTitle "Administration: Medium Settings"
$(widgetFile "adminMediumSet")
Nothing -> do
setMessage "This medium does not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
postAdminMediumSettingsR :: MediumId -> Handler Html
postAdminMediumSettingsR mediumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempMedium <- runDB $ get mediumId
case tempMedium of
Just medium -> do
((res, _), _) <- runFormPost $
renderBootstrap3 BootstrapBasicForm $
adminMediumSetForm medium
case res of
FormSuccess temp -> do
runDB $ update mediumId
[ MediumTitle =. mediumTitle temp
, MediumDescription =. mediumDescription temp
, MediumTags =. mediumTags temp
]
putIndexES $ ESMedium mediumId temp
setMessage "Medium settings changed successfully"
redirect AdminR
_ -> do
setMessage "There was an error while changing the settings"
redirect $ AdminMediumSettingsR mediumId
Nothing -> do
setMessage "This medium does not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
adminMediumSetForm :: Medium -> AForm Handler Medium
adminMediumSetForm medium = Medium
<$> areq textField (bfs ("Title" :: T.Text)) (Just $ mediumTitle medium)
<*> pure (mediumPath medium)
<*> pure (mediumThumb medium)
<*> pure (mediumMime medium)
<*> pure (mediumTime medium)
<*> pure (mediumOwner medium)
<*> aopt textareaField (bfs ("Description" :: T.Text)) (Just $ mediumDescription medium)
<*> areq tagField (bfs ("Tags" :: T.Text)) (Just $ mediumTags medium)
<*> pure (mediumWidth medium)
<*> pure (mediumThumbWidth medium)
<*> pure (mediumAlbum medium)
<*> pure (mediumPreview medium)
<*> pure (mediumPreviewWidth medium)
<* bootstrapSubmit ("Change settings" :: BootstrapSubmit Text)
getAdminMediumDeleteR :: MediumId -> Handler Html
getAdminMediumDeleteR mediumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempMedium <- runDB $ get mediumId
case tempMedium of
Just medium -> do
-- remove reference from album
let albumId = mediumAlbum medium
album <- runDB $ getJust albumId
let mediaList = albumContent album
let newMediaList = removeItem mediumId mediaList
runDB $ update albumId [AlbumContent =. newMediaList]
-- delete comments
commEnts <- runDB $ selectList [CommentOrigin ==. mediumId] []
_ <- mapM (\ent -> do
children <- runDB $ selectList [CommentParent ==. (Just $ entityKey ent)] []
_ <- mapM (\child -> do
-- delete comment children
deleteIndexES $ ESComment (entityKey child) (entityVal child)
runDB $ delete $ entityKey child
) children
deleteIndexES $ ESComment (entityKey ent) (entityVal ent)
runDB $ delete $ entityKey ent) commEnts
-- delete medium
deleteIndexES $ ESMedium mediumId medium
runDB $ delete mediumId
-- delete files
liftIO $ removeFile (normalise $ tail $ mediumPath medium)
liftIO $ removeFile (normalise $ tail $ mediumThumb medium)
liftIO $ removeFile (normalise $ tail $ mediumPreview medium)
-- outro
setMessage "Medium deleted successfully"
redirect AdminR
Nothing -> do
setMessage "This medium does not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route