export_ranking now exports KyuDanRankings and SeasonRankings.

src/mahjong_ranking/managers.py

@@ -157,3 +157,37 @@ class SeasonRankingManager(models.Manager):
                 'won_hanchans': user['won_hanchans']
             })
         return json_data
+
+class KyuDanRankingManager(models.Manager):
+
+    def json_data(self):
+        """ Get all Rankings for a given Season and return them as a list of
+        dict objects, suitable for JSON exports and other processings.
+
+        :param season: Season that should be exported, current season if empty 
+        :return: a list() of dict() objects suiteable for JSON export. 
+        """
+        json_data = list()
+        values = self.all()
+        values = values.values('user_id', 'user__username',
+                               'user__first_name', 'user__last_name',
+                               'dan', 'dan_points', 'kyu', 'kyu_points',
+                               'hanchan_count', 'won_hanchans', 'good_hanchans')
+        for user in values:
+            if user['dan']:
+                rank = '{}. Dan'.format(user['dan'])
+                points = user['dan_points']
+            else:
+                rank = '{}. Kyū'.format(user['kyu'])
+                points = user['kyu_points']
+            json_data.append({
+                'user_id': user['user_id'],
+                'username': user['user__username'],
+                'full_name': " ".join([user['user__last_name'], user['user__first_name']]),
+                'rank': rank,
+                'points': points,
+                'hanchan_count': user['hanchan_count'],
+                'good_hanchans': user['good_hanchans'],
+                'won_hanchans': user['won_hanchans']
+            })
+        return json_data