expose puzzle dashboard through oAuth API

app/controllers/Puzzle.scala

@@ -262,10 +262,11 @@ final class Puzzle(
         .fuccess
     }
 
-  def dashboard(days: Int) =
-    Scoped(_.Puzzle.Read) { _ => me =>
-      JsonOk {
-        env.puzzle.dashboard(me, days) map env.puzzle.json.dashboardJson map
+  def apiDashboard(days: Int) =
+    Scoped(_.Puzzle.Read) { implicit req => me =>
+      implicit val lang = reqLang
+      JsonOptionOk {
+        env.puzzle.dashboard(me, days) map2 { env.puzzle.jsonView.dashboardJson(_, days) }
       }
     }
 

conf/routes

@@ -565,7 +565,7 @@ GET   /api                             controllers.Api.index
 POST  /api/users                       controllers.Api.usersByIds
 GET   /api/user/puzzle-activity        controllers.Puzzle.activity
 GET   /api/puzzle/activity             controllers.Puzzle.activity
-GET   /api/puzzle/dashboard             controllers.Puzzle.dashboard
+GET   /api/puzzle/dashboard/:days      controllers.Puzzle.apiDashboard(days: Int)
 GET   /api/user/:name/tournament/created controllers.Api.tournamentsByOwner(name: String)
 GET   /api/user/:name                  controllers.Api.user(name: String)
 GET   /api/user/:name/activity         controllers.Api.activity(name: String)

modules/puzzle/src/main/JsonView.scala

@@ -82,6 +82,25 @@ final class JsonView(
       "is3d"        -> p.is3d
     )
 
+  def dashboardJson(dash: PuzzleDashboard, days: Int)(implicit lang: Lang) = Json.obj(
+    "days"   -> days,
+    "global" -> dashboardResults(dash.global),
+    "themes" -> JsObject(dash.byTheme.toList.sortBy(-_._2.nb).map { case (key, res) =>
+      key.value -> Json.obj(
+        "theme"   -> PuzzleTheme(key).name.txt(),
+        "results" -> dashboardResults(res)
+      )
+    })
+  )
+
+  private def dashboardResults(res: PuzzleDashboard.Results) = Json.obj(
+    "nb"              -> res.nb,
+    "firstWins"       -> res.wins,
+    "replayWins"      -> res.fixed,
+    "puzzleRatingAvg" -> res.puzzleRatingAvg,
+    "performance"     -> res.performance
+  )
+
   private def puzzleJson(puzzle: Puzzle): JsObject = Json.obj(
     "id"         -> puzzle.id,
     "rating"     -> puzzle.glicko.intRating,