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vervis/src/Vervis/Handler/Sharer.hs

68 lines
2.1 KiB
Haskell

{- This file is part of Vervis.
-
- Written in 2016, 2019 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.Sharer
( getSharersR
, getSharerR
)
where
import Prelude
import Control.Applicative ((<|>))
import Control.Monad.Logger (logWarn)
import Control.Monad.Trans.Maybe
import Data.Monoid ((<>))
import Database.Persist
import Text.Blaze.Html (Html)
import Yesod.Core (defaultLayout)
import Yesod.Core.Content (TypedContent)
import Yesod.Core.Handler (redirect, notFound)
import Yesod.Persist.Core (runDB, getBy404)
import Vervis.Foundation
import Vervis.Handler.Person
import Vervis.Handler.Group
import Vervis.Model
import Vervis.Model.Ident (ShrIdent, shr2text)
import Vervis.Paginate
import Vervis.Settings (widgetFile)
import Vervis.Widget.Sharer (sharerLinkW)
getSharersR :: Handler Html
getSharersR = do
(sharers, navModel) <- getPageAndNav $ \ off lim ->
runDB $ do
total <- count ([] :: [Filter Sharer])
ss <- selectList [] [OffsetBy off, LimitTo lim, Asc SharerIdent]
return (total, ss)
let pageNav = navWidget navModel
defaultLayout $(widgetFile "sharer/list")
getSharerR :: ShrIdent -> Handler TypedContent
getSharerR shr = do
ment <- runDB $ do
Entity sid sharer <- getBy404 $ UniqueSharer shr
runMaybeT . fmap (sharer,)
$ Left <$> MaybeT (getBy $ UniquePersonIdent sid)
<|> Right <$> MaybeT (getBy $ UniqueGroup sid)
case ment of
Nothing -> do
$logWarn $ "Found non-person non-group sharer: " <> shr2text shr
notFound
Just (s, ent) ->
case ent of
Left (Entity _ p) -> getPerson shr s p
Right (Entity _ g) -> getGroup shr g