vervis/src/Vervis/Handler/Discussion.hs

{- This file is part of Vervis.
 -
 - Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
 -
 - ♡ Copying is an act of love. Please copy, reuse and share.
 -
 - The author(s) have dedicated all copyright and related and neighboring
 - rights to this software to the public domain worldwide. This software is
 - distributed without any warranty.
 -
 - You should have received a copy of the CC0 Public Domain Dedication along
 - with this software. If not, see
 - <http://creativecommons.org/publicdomain/zero/1.0/>.
 -}

module Vervis.Handler.Discussion
    ( getDiscussion
    , getComment
    )
where

import Prelude

import Control.Monad.IO.Class (liftIO)
import Data.Time.Clock (getCurrentTime)
import Database.Persist (Entity (..))
import Text.Blaze.Html (Html)
import Yesod.Core (defaultLayout)
import Yesod.Persist.Core (runDB, get404, getBy404)

import Vervis.Foundation (Handler)
import Vervis.Model
import Vervis.Widget.Discussion

getDiscussion :: DiscussionId -> Handler Html
getDiscussion did = defaultLayout $ discussionW did

getComment :: DiscussionId -> Int -> Handler Html
getComment did num = do
    (msg, shr) <- runDB $ do
        Entity _mid m <- getBy404 $ UniqueMessage did num
        p <- get404 $ messageAuthor m
        s <- get404 $ personIdent p
        return (m, s)
    now <- liftIO getCurrentTime
    defaultLayout $ messageW shr (messageCreated msg) now (messageContent msg)