Sharers page lists them, sharer page redirects to person or group

src/Vervis/Handler/Sharer.hs

@@ -21,13 +21,40 @@ where
 
 import Prelude
 
+import Control.Monad.Logger (logWarn)
+import Data.Monoid ((<>))
+import Database.Persist
 import Text.Blaze.Html (Html)
+import Yesod.Core (defaultLayout)
+import Yesod.Core.Handler (redirect, notFound)
+import Yesod.Persist.Core (runDB, getBy404)
 
-import Vervis.Foundation (Handler)
-import Vervis.Model.Ident (ShrIdent)
+import Vervis.Foundation
+import Vervis.Model
+import Vervis.Model.Ident (ShrIdent, shr2text)
+import Vervis.Settings (widgetFile)
+import Vervis.Widget.Sharer (sharerLinkW)
 
 getSharersR :: Handler Html
-getSharersR = error "TODO"
+getSharersR = do
+    sharers <- runDB $ selectList [] [Asc SharerIdent]
+    defaultLayout $(widgetFile "sharer/list")
 
 getSharerR :: ShrIdent -> Handler Html
-getSharerR shar = error "TODO"
+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

templates/sharer/list.hamlet

@@ -0,0 +1,21 @@
+$# This file is part of Vervis.
+$#
+$# Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
+$#
+$# ♡ Copying is an act of love. Please copy, reuse and share.
+$#
+$# The author(s) have dedicated all copyright and related and neighboring
+$# 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/>.
+
+<p>
+  These are the people and groups registered in this Vervis instance.
+
+<ul>
+  $forall Entity _ sharer <- sharers
+    <li>
+      ^{sharerLinkW sharer}