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vervis/src/Vervis/Handler/Sharer.hs

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{- 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/>.
-}
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module Vervis.Handler.Sharer
( getSharersR
, getSharerR
)
where
import Prelude
import Control.Monad.Logger (logWarn)
import Data.Monoid ((<>))
import Database.Persist
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import Text.Blaze.Html (Html)
import Yesod.Core (defaultLayout)
import Yesod.Core.Handler (redirect, notFound)
import Yesod.Persist.Core (runDB, getBy404)
import Vervis.Foundation
import Vervis.Model
import Vervis.Model.Ident (ShrIdent, shr2text)
import Vervis.Settings (widgetFile)
import Vervis.Widget.Sharer (sharerLinkW)
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getSharersR :: Handler Html
getSharersR = do
sharers <- runDB $ selectList [] [Asc SharerIdent]
defaultLayout $(widgetFile "sharer/list")
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getSharerR :: ShrIdent -> Handler Html
getSharerR shr = do
isperson <- runDB $ do
Entity sid _sharer <- getBy404 $ UniqueSharer shr
mp <- getBy $ UniquePersonIdent sid
case mp of
Just _ -> return $ Just True
Nothing -> do
mg <- getBy $ UniqueGroup sid
case mg of
Just _ -> return $ Just False
Nothing -> return Nothing
case isperson of
Nothing -> do
$logWarn $ "Found non-person non-group sharer: " <> shr2text shr
notFound
Just True -> redirect $ PersonR shr
Just False -> redirect $ GroupR shr