eidolon/Handler/Medium.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.Medium where
import Import
import Handler.Commons
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import Data.Time
import Data.Maybe
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import qualified Data.Text as T
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-- import System.Locale
import System.FilePath
import Yesod.Markdown
import Yesod.RssFeed
import Yesod.AtomFeed
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getMediumR :: MediumId -> Handler Html
getMediumR mediumId = do
tempMedium <- runDB $ get mediumId
case tempMedium of
Just medium -> do
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let ownerId = mediumOwner medium
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owner <- runDB $ getJust ownerId
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let ownerName = userName owner
let albumId = mediumAlbum medium
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album <- runDB $ getJust albumId
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msu <- lookupSession "userId"
userId <- case msu of
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Just tempUserId ->
return $ Just $ getUserIdFromText tempUserId
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Nothing ->
return Nothing
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userSl <- case userId of
Just uId -> do
u <- runDB $ getJust uId
return $ Just $ userSlug u
Nothing ->
return Nothing
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let presence = userId == (Just ownerId) || userId == Just (albumOwner album)
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(commentWidget, enctype) <- generateFormPost $
renderBootstrap3 BootstrapBasicForm $
commentForm (fromJust userId) (fromJust userSl) mediumId Nothing
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comments <- runDB $ selectList
[ CommentOrigin ==. mediumId
, CommentParent ==. Nothing ]
[ Desc CommentTime ]
replies <- runDB $ selectList
[ CommentOrigin ==. mediumId
, CommentParent !=. Nothing ]
[ Desc CommentTime ]
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let dataWidth = if mediumWidth medium >= 850 then 850 else mediumWidth medium
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let tr = StaticR $ StaticRoute (drop 2 $ map T.pack $ splitDirectories $ mediumThumb medium) []
let pr = StaticR $ StaticRoute (drop 2 $ map T.pack $ splitDirectories $ mediumPreview medium) []
let ir = StaticR $ StaticRoute (drop 2 $ map T.pack $ splitDirectories $ mediumPath medium) []
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formLayout $ do
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setTitle $ toHtml ("Eidolon :: Medium " `T.append` (mediumTitle medium))
rssLink (CommentFeedRssR mediumId) $ "Comment feed of medium " `T.append` mediumTitle medium
atomLink (CommentFeedAtomR mediumId) $ "Comment feed of medium " `T.append` mediumTitle medium
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$(widgetFile "medium")
Nothing -> do
setMessage "This image does not exist"
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redirect HomeR
postMediumR :: MediumId -> Handler Html
postMediumR mediumId = do
tempMedium <- runDB $ get mediumId
case tempMedium of
Just medium -> do
msu <- lookupSession "userId"
case msu of
Just tempUserId -> do
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let userId = getUserIdFromText tempUserId
u <- runDB $ getJust userId
let userSl = userSlug u
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((res, _), _) <- runFormPost $
renderBootstrap3 BootstrapBasicForm $
commentForm userId userSl mediumId Nothing
case res of
FormSuccess temp -> do
cId <- runDB $ insert temp
putIndexES (ESComment cId temp)
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--send mail to medium owner
owner <- runDB $ getJust $ mediumOwner medium
link <- ($ MediumR (commentOrigin temp)) <$> getUrlRender
sendMail (userEmail owner) ((commentAuthorSlug temp) `T.append` " commented on your medium")
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[shamlet|
<h1>Hello #{userSlug owner}
<p>#{commentAuthorSlug temp} commented on your medium:
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<p>#{commentContent temp}
<p>To follow the comment thread follow
<a href=#{link}>
this link
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.
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|]
setMessage "Your Comment has been posted"
redirect $ MediumR mediumId
_ -> do
setMessage "There has been an error whith your comment"
redirect $ MediumR mediumId
Nothing -> do
setMessage "You need to be looged in to comment on media"
redirect LoginR
Nothing -> do
setMessage "This image does not exist"
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redirect HomeR
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commentForm :: UserId -> Text -> MediumId -> Maybe CommentId -> AForm Handler Comment
commentForm authorId authorSlug originId parentId = Comment
<$> pure authorId
<*> pure authorSlug
<*> pure originId
<*> pure parentId
<*> lift (liftIO getCurrentTime)
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<*> areq markdownField (bfs ("Comment this medium" :: T.Text)) Nothing
<* bootstrapSubmit ("Post comment" :: BootstrapSubmit Text)
getCommentReplyR :: CommentId -> Handler Html
getCommentReplyR commentId = do
tempComment <- runDB $ get commentId
case tempComment of
Just comment -> do
msu <- lookupSession "userId"
case msu of
Just tempUserId -> do
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let userId = getUserIdFromText tempUserId
u <- runDB $ getJust userId
let userSl = userSlug u
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let mediumId = commentOrigin comment
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(replyWidget, enctype) <- generateFormPost $
renderBootstrap3 BootstrapBasicForm $
commentForm userId userSl mediumId (Just commentId)
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formLayout $ do
setTitle "Eidolon :: Reply to comment"
$(widgetFile "commentReply")
Nothing -> do
setMessage "You need to be logged in to comment on media"
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redirect LoginR
Nothing -> do
setMessage "This comment does not Exist"
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redirect HomeR
postCommentReplyR :: CommentId -> Handler Html
postCommentReplyR commentId = do
tempComment <- runDB $ get commentId
case tempComment of
Just comment -> do
msu <- lookupSession "userId"
case msu of
Just tempUserId -> do
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let userId = getUserIdFromText tempUserId
u <- runDB $ getJust userId
let userSl = userSlug u
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let mediumId = commentOrigin comment
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((res, _), _) <- runFormPost $
renderBootstrap3 BootstrapBasicForm $
commentForm userId userSl mediumId (Just commentId)
case res of
FormSuccess temp -> do
cId <- runDB $ insert temp
putIndexES (ESComment cId temp)
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--send mail to parent author
parent <- runDB $ getJust $ fromJust $ commentParent temp
parAuth <- runDB $ getJust $ commentAuthor parent
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link <- ($ MediumR (commentOrigin temp)) <$> getUrlRender
sendMail (userEmail parAuth) ((commentAuthorSlug temp) `T.append` " replied to your comment")
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[shamlet|
<h1>Hello #{userSlug parAuth}
<p>#{commentAuthorSlug temp} replied to your comment:
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#{commentContent temp}
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<p>To see the comment thread follow
<a href=#{link}>
this link
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.
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|]
--send mail to medium owner
medium <- runDB $ getJust mediumId
owner <- runDB $ getJust $ mediumOwner medium
sendMail (userEmail owner) ((commentAuthorSlug temp) `T.append` " commented on your medium")
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[shamlet|
<h1>Hello #{userSlug owner}
<p>#{commentAuthorSlug temp} commented your medium with:
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#{commentContent temp}
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<p>To see the comment thread follow
<a href=#{link}>
this link
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.
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|]
setMessage "Your reply has been posted"
redirect $ MediumR mediumId
_ -> do
setMessage "There has been an error with your reply"
redirect $ CommentReplyR commentId
Nothing -> do
setMessage "You need to be logged in to post replies"
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redirect LoginR
Nothing -> do
setMessage "This comment does not exist!"
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redirect HomeR
getCommentDeleteR :: CommentId -> Handler Html
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getCommentDeleteR commentId = do
tempComment <- runDB $ get commentId
case tempComment of
Just comment -> do
msu <- lookupSession "userId"
case msu of
Just tempUserId -> do
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let userId = getUserIdFromText tempUserId
if
Just userId == Just (commentAuthor comment)
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then do
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formLayout $ do
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setTitle "Eidolon :: Delete comment"
$(widgetFile "commentDelete")
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else do
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setMessage "You must be the author of this comment to delete it"
redirect $ MediumR $ commentOrigin comment
Nothing -> do
setMessage "You must be logged in to delete comments"
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redirect LoginR
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Nothing -> do
setMessage "This comment does not exist"
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redirect HomeR
postCommentDeleteR :: CommentId -> Handler Html
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postCommentDeleteR commentId = do
tempComment <- runDB $ get commentId
case tempComment of
Just comment -> do
msu <- lookupSession "userId"
case msu of
Just tempUserId -> do
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let userId = getUserIdFromText tempUserId
if
Just userId == Just (commentAuthor comment)
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then do
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confirm <- lookupPostParam "confirm"
case confirm of
Just "confirm" -> do
-- delete comment children
childEnts <- runDB $ selectList [CommentParent ==. (Just commentId)] []
_ <- mapM (\ent -> do
-- delete comment children from elasticsearch
deleteIndexES (ESComment (entityKey ent) (entityVal ent))
runDB $ delete $ entityKey ent) childEnts
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-- delete comment itself
runDB $ delete commentId
-- delete from elasticsearch
deleteIndexES (ESComment commentId comment)
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-- outro
setMessage "Your comment has been deleted"
redirect $ MediumR $ commentOrigin comment
_ -> do
setMessage "You must confirm the deletion"
redirect $ MediumR $ commentOrigin comment
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else do
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setMessage "You must be the author of this comment to delete it"
redirect $ MediumR $ commentOrigin comment
Nothing -> do
setMessage "You must be logged in to delete comments"
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redirect LoginR
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Nothing -> do
setMessage "This comment does not exist"
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redirect HomeR