CourseParticipantsList in Hamlet ausgelagert

PageActionPrime.txt

@@ -0,0 +1,31 @@
+Es s
+
+Course Actions im alten UniWorX:
+- Studenten
+- Übungsgruppen
+- Übungsblätter
+- Klausuren
+- E-Mails
+- Online-Evaluation
+
+CourseActions in Uni2Work:
+-1 Übungsblätter    (öfter)
+[ Auch aus SheetList übernommen un hier ebenfalls angzeigt:
+-1 Aktuelles Blatt  (häufig)
+-1 Letztes unzugewiesenes (häufig, nur Assistenten)
+-1 Abgaben                (häufig, nur Assistenten)
+-1 Korrekturen            (häufig, nur Assistenten)
+-1 Neues Blatt            (häufig, nur Assistenten)
+]
+-2 Teilnehmerliste  (gelegentlich, nur Assistenten)
+-2 Kurs editieren   (selten, nur Assistenten)
+-2 Kurs klonen      (selten, nur Assistenten)
+-2 Kurs löschen     (sehr selten, nur Assistenten/Admins)
+
+SheetList:
+- Aktuelles Blatt
+- Letztes unzugewiesenes
+- Abgaben
+- Korrekturen
+- Neues Blatt
+

messages/uniworx/de.msg

@@ -71,6 +71,7 @@ CourseEditTitle: Kurs editieren/anlegen
 CourseMembers: Teilnehmer
 CourseMembersCount num@Int64: #{display num}
 CourseMembersCountLimited num@Int64 max@Int64: #{display num}/#{display max}
+CourseMembersCountOf num@Int64 mbNum@Int64Maybe: #{display num} Anmeldungen #{maybeDisplay " von " mbNum " möglichen"}
 CourseName: Name
 CourseDescription: Beschreibung
 CourseDescriptionTip: Beliebiges HTML-Markup ist gestattet

src/Foundation.hs

@@ -170,7 +170,13 @@ noneOneMoreDE num noneText singularForm pluralForm
   | num == 1  = singularForm
   | otherwise = pluralForm
 
+-- Convenience Type for Messages
+type Int64Maybe = Maybe Int64 -- Yesod messages cannot deal with compound type identifiers
 
+-- | Convenience function for i18n messages definitions
+maybeDisplay :: DisplayAble m => Text -> Maybe m -> Text  -> Text
+maybeDisplay _      Nothing  _     = mempty
+maybeDisplay before (Just x) after = before <> (display x) <> after
 
 -- Messages creates type UniWorXMessage and RenderMessage UniWorX instance
 mkMessage "UniWorX" "messages/uniworx" "de"

src/Handler/Course.hs

@@ -289,7 +289,7 @@ getCShowR tid ssh csh = do
   (regWidget, regEnctype) <- generateFormPost $ identifyForm "registerBtn" $ registerForm (isJust mRegAt) $ courseRegisterSecret course
   registrationOpen <- (==Authorized) <$> isAuthorized (CourseR tid ssh csh CRegisterR) True
   siteLayout (toWgt $ courseName course) $ do
-    setTitle [shamlet| #{toPathPiece tid} - #{csh}|]
+    setTitleI $ prependCourseTitle tid ssh csh (""::Text)
     $(widgetFile "course")
 
 
@@ -698,22 +698,25 @@ makeCourseUserTable whereClause colChoices psValidator =
 
 getCUsersR :: TermId -> SchoolId -> CourseShorthand -> Handler Html
 getCUsersR tid ssh csh = do
-  Entity cid course <- runDB $ getBy404 $ TermSchoolCourseShort tid ssh csh
-  let heading = [whamlet|_{MsgMenuCourseMembers} #{courseName course} #{display tid}|]
-      whereClause = courseIs cid
-      colChoices  = mconcat
-        [ colUserParticipantLink tid ssh csh
-        , colUserEmail
-        , colUserMatriclenr
-        , sortable (Just "registration") (i18nCell MsgRegisteredHeader) (dateCell . view _userTableRegistration)
-        , colUserComment tid ssh csh
-        ]
-      psValidator = def
-  tableWidget <- runDB $ makeCourseUserTable whereClause colChoices psValidator
-  siteLayout heading $ do
-    setTitle [shamlet| #{toPathPiece tid} - #{csh}|]
-    -- TODO: creat hamlet wrapper
-    tableWidget
+  (course, numParticipants, participantTable) <- runDB $ do
+    let colChoices  = mconcat
+          [ colUserParticipantLink tid ssh csh
+          , colUserEmail
+          , colUserMatriclenr
+          , sortable (Just "registration") (i18nCell MsgRegisteredHeader) (dateCell . view _userTableRegistration)
+          , colUserComment tid ssh csh
+          ]
+        psValidator = def
+    Entity cid course <-  getBy404 $ TermSchoolCourseShort tid ssh csh
+    numParticipants <- count [CourseParticipantCourse ==. cid]
+    participantTable <- makeCourseUserTable (courseIs cid) colChoices psValidator
+    return (course, numParticipants, participantTable)
+  let headingLong  = [whamlet|_{MsgMenuCourseMembers} #{courseName course} #{display tid}|]
+      headingShort = prependCourseTitle tid ssh csh MsgCourseMembers
+  siteLayout headingLong $ do
+    setTitleI headingShort
+
+    $(widgetFile "course-participants")
 
 
 

src/Handler/Utils.hs

@@ -57,6 +57,23 @@ nameHtml displayName surname
       [] -> error "Data.Text.splitOn returned empty list in violation of specification."
 
 
+-- | Prefix a message with a short cours id,
+--   eg. for window title bars, etc.
+--   This function should help to make this consistent everywhere
+prependCourseTitle :: (RenderMessage UniWorX msg) =>
+  TermId -> SchoolId -> CourseShorthand -> msg -> UniWorXMessages
+prependCourseTitle tid ssh csh msg = UniWorXMessages
+  [ SomeMessage $ toPathPiece tid
+  , SomeMessage dashText
+  , SomeMessage $ toPathPiece ssh
+  , SomeMessage dashText
+  , SomeMessage csh
+  , SomeMessage msg
+  ]
+ where
+    dashText :: Text
+    dashText = "-"
+
 warnTermDays :: TermId -> [Maybe UTCTime] -> DB ()
 warnTermDays tid times = do
   Term{..} <- get404 tid

templates/course-participants.hamlet

@@ -0,0 +1,7 @@
+$# Shows all participants of a course, but no homework statistics
+$# Should at some point allow email messaging
+$#
+$# participantTable : widget table
+
+^{participantTable}
+_{MsgCourseMembersCountOf (fromIntegral numParticipants) (courseCapacity course)}.