86 lines
3.1 KiB
Haskell
Executable file
86 lines
3.1 KiB
Haskell
Executable file
-- eidolon -- A simple gallery in Haskell and Yesod
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-- Copyright (C) 2015 Amedeo Molnár
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--
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-- This program is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU Affero General Public License as published
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-- by the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU Affero General Public License for more details.
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--
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-- 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.NewAlbum where
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import Import as I
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import Data.List as L (head)
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import Data.Text as T
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import Text.Blaze (toMarkup)
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import System.Directory
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import System.FilePath
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getNewAlbumR :: Handler Html
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getNewAlbumR = do
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musername <- maybeAuthId
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case musername of
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Just username -> do
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(Just (Entity userId _)) <- runDB $ getBy $ UniqueUser username
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(albumWidget, enctype) <- generateFormPost $
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renderBootstrap3 BootstrapBasicForm $
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albumForm userId
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defaultLayout $ do
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setTitle "Eidolon :: Create new Album"
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$(widgetFile "newAlbum")
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Nothing -> do
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setMessage "You need to be logged in"
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redirect $ AuthR LoginR
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postNewAlbumR :: Handler Html
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postNewAlbumR = do
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musername <- maybeAuthId
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case musername of
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Just username -> do
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(Just (Entity userId _)) <- runDB $ getBy $ UniqueUser username
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((result, _), _) <- runFormPost $
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renderBootstrap3 BootstrapBasicForm $
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albumForm userId
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case result of
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FormSuccess album -> do
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namesakes <- runDB $ selectList [AlbumTitle ==. albumTitle album, AlbumOwner ==. userId] []
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if I.null namesakes
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then do
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-- Put album in Database
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albumId <- runDB $ insert album
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-- add album reference in user
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user <- runDB $ getJust userId
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let albumList = userAlbums user
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let newAlbumList = albumId : albumList
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runDB $ update userId [UserAlbums =. newAlbumList]
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-- create folder
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liftIO $ createDirectory $ "static" </> "data" </> unpack (extractKey userId) </> unpack (extractKey albumId)
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-- outro
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setMessage "Album successfully created"
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redirect $ AlbumR albumId
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else do
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setMessage $ toMarkup $ "You already have an album named " `T.append`
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albumTitle album
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redirect $ AlbumR $ entityKey $ L.head namesakes
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_ -> do
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setMessage "There was an error creating the album"
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redirect NewAlbumR
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Nothing -> do
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setMessage "You must be logged in to create albums"
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redirect $ AuthR LoginR
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albumForm :: UserId -> AForm Handler Album
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albumForm userId = Album
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<$> areq textField (bfs ("Title" :: T.Text)) Nothing
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<*> pure userId
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<*> pure []
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<*> pure []
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<*> pure Nothing
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<* bootstrapSubmit ("Create album" :: BootstrapSubmit Text)
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