forked from filipg/gonito
87 lines
3.2 KiB
Haskell
87 lines
3.2 KiB
Haskell
module Handler.Discussion where
|
|
|
|
import Import
|
|
|
|
import Handler.Shared
|
|
|
|
import Text.Blaze
|
|
import Text.Blaze.Html4.Strict (i)
|
|
|
|
import Handler.ShowChallenge
|
|
|
|
import Yesod.Form.Bootstrap3
|
|
|
|
data TimelineItem = TimelineItem UTCTime (Entity User) Markup
|
|
|
|
getTime (TimelineItem stamp _ _) = stamp
|
|
|
|
class ToTimelineItem a where
|
|
timelineWhen :: a -> UTCTime
|
|
|
|
timelineWhoId :: a -> UserId
|
|
timelineWho :: a -> Handler (Entity User)
|
|
timelineWho sItem = do
|
|
let userId = timelineWhoId sItem
|
|
user <- runDB $ get404 userId
|
|
return $ Entity userId user
|
|
|
|
timelineWhat :: a -> Handler Markup
|
|
toTimelineItem :: a -> Handler TimelineItem
|
|
|
|
toTimelineItem sItem = do
|
|
let when = timelineWhen sItem
|
|
who <- timelineWho sItem
|
|
what <- timelineWhat sItem
|
|
return $ TimelineItem when who what
|
|
|
|
instance ToTimelineItem (Entity Comment) where
|
|
timelineWhoId (Entity _ comment) = commentAuthor comment
|
|
timelineWhen (Entity _ comment) = commentPosted comment
|
|
timelineWhat (Entity _ comment) = return $ toMarkup $ commentText comment
|
|
|
|
instance ToTimelineItem (Entity Submission) where
|
|
timelineWhoId (Entity _ submission) = submissionSubmitter submission
|
|
timelineWhen (Entity _ submission) = submissionStamp submission
|
|
timelineWhat (Entity _ submission) = return $ i $ toMarkup (
|
|
"submitted a solution:" ++ submissionDescription submission )
|
|
|
|
|
|
getChallengeDiscussionR :: Text -> Handler Html
|
|
getChallengeDiscussionR name = do
|
|
(Entity challengeId challenge) <- runDB $ getBy404 $ UniqueName name
|
|
maybeUser <- maybeAuth
|
|
(formWidget, formEnctype) <- generateFormPost $ renderBootstrap3 BootstrapBasicForm (commentForm challengeId)
|
|
comments <- runDB $ selectList [CommentChallenge ==. challengeId] [Desc CommentPosted]
|
|
submissions <- runDB $ selectList [SubmissionChallenge ==. challengeId] [Desc SubmissionStamp]
|
|
timelineItems' <- mapM toTimelineItem comments
|
|
timelineItems'' <- mapM toTimelineItem submissions
|
|
let sortedTimelineItems = sortBy (\item1 item2 -> (getTime item2 `compare` getTime item1)) (
|
|
timelineItems' ++ timelineItems'')
|
|
challengeLayout True challenge (discussionWidget maybeUser formWidget formEnctype name sortedTimelineItems)
|
|
|
|
discussionWidget maybeUser formWidget formEnctype name sortedTimelineItems = $(widgetFile "challenge-discussion")
|
|
|
|
timelineItemWidget item = $(widgetFile "timeline-item")
|
|
|
|
postChallengeDiscussionR :: Text -> Handler TypedContent
|
|
postChallengeDiscussionR name = do
|
|
(Entity challengeId _) <- runDB $ getBy404 $ UniqueName name
|
|
((result, formWidget), formEnctype) <- runFormPost $ renderBootstrap3 BootstrapBasicForm (commentForm challengeId)
|
|
stamp <- liftIO getCurrentTime
|
|
userId <- requireAuthId
|
|
|
|
case result of
|
|
FormSuccess (challengeId, commentContent) -> do
|
|
setMessage $ toHtml ("Comment submitted" :: Text)
|
|
_ <- runDB $ insert $ Comment challengeId userId stamp commentContent
|
|
return ()
|
|
_ -> do
|
|
setMessage $ toHtml ("Something went wrong" :: Text)
|
|
|
|
redirect $ ChallengeDiscussionR name
|
|
|
|
commentForm :: Key Challenge -> AForm Handler (ChallengeId, Textarea)
|
|
commentForm challengeId = (,)
|
|
<$> pure challengeId
|
|
<*> areq textareaField (bfs MsgCommentText) Nothing
|