Display group members in group page

src/Vervis/Handler/Group.hs

@@ -24,6 +24,7 @@ where
 import Prelude
 
 import Control.Monad.IO.Class (liftIO)
+import Data.Maybe (fromMaybe)
 import Data.Time.Clock (getCurrentTime)
 import Database.Esqueleto
 import Text.Blaze.Html (Html)
@@ -36,9 +37,9 @@ import Yesod.Persist.Core (runDB, getBy404)
 import Vervis.Form.Group
 import Vervis.Foundation
 import Vervis.Model
-import Vervis.Model.Ident (ShrIdent)
+import Vervis.Model.Ident (ShrIdent, shr2text)
 import Vervis.Settings (widgetFile)
-import Vervis.Widget.Sharer (groupLinkW)
+import Vervis.Widget.Sharer (groupLinkW, personLinkW)
 
 getGroupsR :: Handler Html
 getGroupsR = do
@@ -80,8 +81,15 @@ getGroupNewR = do
 
 getGroupR :: ShrIdent -> Handler Html
 getGroupR shar = do
-    group <- runDB $ do
-        Entity sid _s <- getBy404 $ UniqueSharer shar
-        Entity _gid g <- getBy404 $ UniqueGroup sid
-        return g
+    (group, members) <- runDB $ do
+        Entity sid s <- getBy404 $ UniqueSharer shar
+        Entity gid _g <- getBy404 $ UniqueGroup sid
+        ms <- select $ from $ \ (member, person, sharer) -> do
+            where_ $
+                member ^. GroupMemberGroup  ==. val gid            &&.
+                member ^. GroupMemberPerson ==. person ^. PersonId &&.
+                person ^. PersonIdent       ==. sharer ^. SharerId
+            orderBy [asc $ sharer ^. SharerIdent]
+            return sharer
+        return (s, ms)
     defaultLayout $(widgetFile "group/one")

templates/group/one.hamlet

@@ -12,5 +12,13 @@ $# 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/>.
 
+<h2>
+  #{fromMaybe (shr2text $ sharerIdent group) $ sharerName group}
+
 <p>
-  TODO list the group's members here, and later also roles etc.
+  Members:
+
+<ul>
+  $forall Entity _sid s <- members
+    <li>
+      ^{personLinkW s}