-- 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 . module Handler.Upload where import Import as I import Data.Time import Data.Maybe import qualified Data.Text as T import Data.List as L import qualified System.FilePath as FP import Filesystem.Path.CurrentOS import Graphics.ImageMagick.MagickWand import Text.Blaze.Internal getDirectUploadR :: AlbumId -> Handler Html getDirectUploadR albumId = do tempAlbum <- runDB $ get albumId case tempAlbum of -- does the requested album exist Just album -> do ownerId <- return $ albumOwner album msu <- lookupSession "userId" case msu of -- is anybody logged in Just tempUserId -> do userId <- return $ getUserIdFromText tempUserId presence <- return $ (userId == ownerId) || (userId `elem` (albumShares album)) case presence of -- is the owner present or a user with whom the album is shared True -> do (dUploadWidget, enctype) <- generateFormPost $ dUploadForm userId albumId formLayout $ do setTitle $ toHtml ("Eidolon :: Upload medium to " `T.append` (albumTitle album)) $(widgetFile "dUpload") False -> do setMessage "You must own this album to upload" redirect $ AlbumR albumId Nothing -> do setMessage "You must be logged in to upload" redirect $ LoginR Nothing -> do setMessage "This album does not exist" redirect $ HomeR postDirectUploadR :: AlbumId -> Handler Html postDirectUploadR albumId = do tempAlbum <- runDB $ get albumId case tempAlbum of -- does the album exist Just album -> do ownerId <- return $ albumOwner album msu <- lookupSession "userId" case msu of -- is anybody logged in Just tempUserId -> do userId <- return $ getUserIdFromText tempUserId presence <- return $ (userId == ownerId) || (userId `elem` (albumShares album)) case presence of -- is the logged in user the owner or is the album shared with him True -> do ((result, _), _) <- runFormPost (dUploadForm userId albumId) case result of FormSuccess temp -> do fils <- return $ fileBulkFiles temp indFils <- return $ zip [1..] fils errNames <- mapM (\(index, file) -> do mime <- return $ fileContentType file case mime `elem` acceptedTypes of True -> do path <- writeOnDrive file ownerId albumId (thumbPath, iWidth, tWidth) <- generateThumb path ownerId albumId tempName <- case length indFils == 1 of False -> return $ ((fileBulkPrefix temp) `T.append` " " `T.append` (T.pack (show index)) `T.append` " of " `T.append` (T.pack (show (length indFils)))) True -> return $ fileBulkPrefix temp medium <- return $ Medium tempName ('/' : path) ('/' : thumbPath) mime (fileBulkTime temp) (fileBulkOwner temp) (fileBulkDesc temp) (fileBulkTags temp) iWidth tWidth albumId mId <- runDB $ I.insert medium inALbum <- runDB $ getJust albumId newMediaList <- return $ mId : (albumContent inALbum) runDB $ update albumId [AlbumContent =. newMediaList] return Nothing False -> do return $ Just $ fileName file ) indFils onlyErrNames <- return $ removeItem Nothing errNames case L.null onlyErrNames of True -> do setMessage "All images succesfully uploaded" redirect $ HomeR False -> do justErrNames <- return $ map fromJust onlyErrNames msg <- return $ Content $ Text $ "File type not supported of: " `T.append` (T.intercalate ", " justErrNames) setMessage msg redirect $ HomeR _ -> do setMessage "There was an error uploading the file" redirect $ DirectUploadR albumId False -> do -- owner is not present setMessage "You must own this album to upload" redirect $ AlbumR albumId Nothing -> do setMessage "You must be logged in to upload" redirect $ AlbumR albumId Nothing -> do setMessage "This Album does not exist" redirect $ AlbumR albumId generateThumb :: FP.FilePath -> UserId -> AlbumId -> Handler (FP.FilePath, Int, Int) generateThumb path userId albumId = do newName <- return $ (FP.takeBaseName path) ++ "_thumb" ++ (FP.takeExtension path) newPath <- return $ "static" FP. "data" FP. (T.unpack $ extractKey userId) FP. (T.unpack $ extractKey albumId) FP. newName (iWidth, tWidth) <- liftIO $ withMagickWandGenesis $ do (_ , w) <- magickWand readImage w (decodeString path) w1 <- getImageWidth w h1 <- getImageHeight w h2 <- return 230 w2 <- return $ floor (((fromIntegral w1) / (fromIntegral h1)) * (fromIntegral h2) :: Double) resizeImage w w2 h2 lanczosFilter 1 setImageCompressionQuality w 95 writeImage w (Just (decodeString newPath)) return (w1, w2) return (newPath, iWidth, tWidth) writeOnDrive :: FileInfo -> UserId -> AlbumId -> Handler FP.FilePath writeOnDrive fil userId albumId = do --filen <- return $ fileName fil album <- runDB $ getJust albumId filen <- return $ show $ (length $ albumContent album) + 1 ext <- return $ FP.takeExtension $ T.unpack $ fileName fil path <- return $ "static" FP. "data" FP. (T.unpack $ extractKey userId) FP. (T.unpack $ extractKey albumId) FP. filen ++ ext liftIO $ fileMove fil path return path dUploadForm :: UserId -> AlbumId -> Form FileBulk dUploadForm userId albumId = renderDivs $ FileBulk <$> areq textField "Title" Nothing <*> areq multiFileField "Select file(s)" Nothing <*> lift (liftIO getCurrentTime) <*> pure userId <*> areq textareaField "Description" Nothing <*> areq tagField "Enter tags" Nothing <*> pure albumId data FileBulk = FileBulk { fileBulkPrefix :: Text , fileBulkFiles :: [FileInfo] , fileBulkTime :: UTCTime , fileBulkOwner :: UserId , fileBulkDesc :: Textarea , fileBulkTags :: [Text] , fileBulkAlbum :: AlbumId } getUploadR :: Handler Html getUploadR = do msu <- lookupSession "userId" case msu of Just tempUserId -> do userId <- return $ getUserIdFromText tempUserId user <- runDB $ getJust userId albums <- return $ userAlbums user case I.null albums of False -> do (uploadWidget, enctype) <- generateFormPost (bulkUploadForm userId) formLayout $ do setTitle "Eidolon :: Upload Medium" $(widgetFile "bulkUpload") True -> do setMessage "Please create an album first" redirect $ NewAlbumR Nothing -> do setMessage "You need to be logged in" redirect $ LoginR bulkUploadForm :: UserId -> Form FileBulk bulkUploadForm userId = renderDivs $ (\a b c d e f g -> FileBulk b c d e f g a) <$> areq (selectField albums) "Album" Nothing <*> areq textField "Title" Nothing <*> areq multiFileField "Select file(s)" Nothing <*> lift (liftIO getCurrentTime) <*> pure userId <*> areq textareaField "Description" Nothing <*> areq tagField "Enter tags" Nothing where albums = do allEnts <- runDB $ selectList [] [Desc AlbumTitle] entities <- return $ map fromJust $ removeItem Nothing $ map (\ent -> do case (userId == (albumOwner $ entityVal ent)) || (userId `elem` (albumShares $ entityVal ent)) of True -> Just ent False -> Nothing ) allEnts optionsPairs $ I.map (\alb -> (albumTitle $ entityVal alb, entityKey alb)) entities postUploadR :: Handler Html postUploadR = do msu <- lookupSession "userId" case msu of Just tempUserId -> do userId <- lift $ pure $ getUserIdFromText tempUserId ((result, _), _) <- runFormPost (bulkUploadForm userId) case result of FormSuccess temp -> do fils <- return $ fileBulkFiles temp indFils <- return $ zip [1..] fils errNames <- mapM (\(index, file) -> do mime <- return $ fileContentType file case mime `elem` acceptedTypes of True -> do inAlbumId <- return $ fileBulkAlbum temp albRef <- runDB $ getJust inAlbumId ownerId <- return $ albumOwner albRef path <- writeOnDrive file ownerId inAlbumId (thumbPath, iWidth, tWidth) <- generateThumb path ownerId inAlbumId tempName <- case length indFils == 1 of False -> return $ ((fileBulkPrefix temp) `T.append` " " `T.append` (T.pack (show index)) `T.append` " of " `T.append` (T.pack (show (length indFils)))) True -> return $ fileBulkPrefix temp medium <- return $ Medium tempName ('/' : path) ('/' : thumbPath) mime (fileBulkTime temp) (fileBulkOwner temp) (fileBulkDesc temp) (fileBulkTags temp) iWidth tWidth inAlbumId mId <- runDB $ I.insert medium inALbum <- runDB $ getJust inAlbumId newMediaList <- return $ mId : (albumContent inALbum) runDB $ update inAlbumId [AlbumContent =. newMediaList] return Nothing False -> do return $ Just $ fileName file ) indFils onlyErrNames <- return $ removeItem Nothing errNames case L.null onlyErrNames of True -> do setMessage "All images succesfully uploaded" redirect $ HomeR False -> do justErrNames <- return $ map fromJust onlyErrNames msg <- return $ Content $ Text $ "File type not supported of: " `T.append` (T.intercalate ", " justErrNames) setMessage msg redirect $ HomeR _ -> do setMessage "There was an error uploading the file" redirect $ UploadR Nothing -> do setMessage "You need to be logged in" redirect $ LoginR