eidolon/Handler/AdminAlbumSettings.hs

164 lines
6.2 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.AdminAlbumSettings where
import Import
import Handler.Commons
import qualified Data.Text as T
import qualified Data.List as L
import Data.Maybe
import System.FilePath
import System.Directory
getAdminAlbumsR :: Handler Html
getAdminAlbumsR = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
albums <- runDB $ selectList [] [Asc AlbumTitle]
defaultLayout $ do
setTitle "Administration: Albums"
$(widgetFile "adminAlbums")
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
getAdminAlbumMediaR :: AlbumId -> Handler Html
getAdminAlbumMediaR albumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempAlbum <- runDB $ get albumId
case tempAlbum of
Just album -> do
media <- runDB $ selectList [MediumAlbum ==. albumId] [Asc MediumTitle]
defaultLayout $ do
setTitle "Administration: Album media"
$(widgetFile "adminAlbumMedia")
Nothing -> do
setMessage "This album does not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
getAdminAlbumSettingsR :: AlbumId -> Handler Html
getAdminAlbumSettingsR albumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempAlbum <- runDB $ get albumId
case tempAlbum of
Just album -> do
entities <- runDB $ selectList [UserId !=. albumOwner album] [Desc UserName]
let users = map (\u -> (userName $ entityVal u, entityKey u)) entities
(adminAlbumSettingsWidget, enctype) <- generateFormPost $ adminAlbumSettingsForm album albumId users
formLayout $ do
setTitle "Administration: Album settings"
$(widgetFile "adminAlbumSet")
Nothing -> do
setMessage "This album does not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
postAdminAlbumSettingsR :: AlbumId -> Handler Html
postAdminAlbumSettingsR albumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempAlbum <- runDB $ get albumId
case tempAlbum of
Just album -> do
entities <- runDB $ selectList [UserId !=. albumOwner album] [Desc UserName]
let users = map (\u -> (userName $ entityVal u, entityKey u)) entities
((res, _), _) <- runFormPost $ adminAlbumSettingsForm album albumId users
case res of
FormSuccess temp -> do
width <- getThumbWidth $ Just $ L.tail $ fromMaybe "a" $ albumSamplePic temp
_ <- runDB $ update albumId
[ AlbumTitle =. albumTitle temp
, AlbumShares =. albumShares temp
, AlbumSamplePic =. albumSamplePic temp
, AlbumSampleWidth =. width
]
setMessage "Album settings changed successfully"
redirect AdminR
_ -> do
setMessage "There was an error while changing the settings"
redirect $ AdminAlbumSettingsR albumId
Nothing -> do
setMessage "This album does not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route
adminAlbumSettingsForm :: Album -> AlbumId -> [(Text, UserId)] -> Form Album
adminAlbumSettingsForm album albumId users = renderDivs $ Album
<$> areq textField "Title" (Just $ albumTitle album)
<*> pure (albumOwner album)
<*> areq (userField users) "This album shared with" (Just $ albumShares album)
<*> pure (albumContent album)
<*> aopt (selectField media) "Sample picture" (Just $ albumSamplePic album)
<*> pure 230
where
media = do
entities <- runDB $ selectList [MediumAlbum ==. albumId] [Asc MediumTitle]
optionsPairs $ map (\med -> (mediumTitle $ entityVal med, mediumThumb (entityVal med))) entities
getAdminAlbumDeleteR :: AlbumId -> Handler Html
getAdminAlbumDeleteR albumId = do
adminCheck <- loginIsAdmin
case adminCheck of
Right _ -> do
tempAlbum <- runDB $ get albumId
case tempAlbum of
Just album -> do
-- remove reference from owner
let ownerId = albumOwner album
owner <- runDB $ getJust ownerId
let albumList = userAlbums owner
let newAlbumList = removeItem albumId albumList
runDB $ update ownerId [UserAlbums =. newAlbumList]
-- delete album content and its comments
_ <- mapM (\a -> do
-- delete files
medium <- runDB $ getJust a
liftIO $ removeFile (normalise $ L.tail $ mediumPath medium)
liftIO $ removeFile (normalise $ L.tail $ mediumThumb medium)
-- delete comments
commEnts <- runDB $ selectList [CommentOrigin ==. a] []
_ <- mapM (runDB . delete . entityKey) commEnts
-- delete album database entry
runDB $ delete a
) (albumContent album)
-- delete album
runDB $ delete albumId
-- delete files
liftIO $ removeDirectoryRecursive $ "static" </> "data" </> T.unpack (extractKey ownerId) </> T.unpack (extractKey albumId)
-- outro
setMessage "Album deleted successfully"
redirect AdminR
Nothing -> do
setMessage "This album dies not exist"
redirect AdminR
Left (errorMsg, route) -> do
setMessage errorMsg
redirect route