Implemented special date visit achievement.

backend/midautumn/achievement.py

@@ -16,7 +16,7 @@
 from google.appengine.ext import db
 from django.utils import simplejson as json
 from midautumn.models import FacebookUser
-from midautumn.utils import pretty_time
+from midautumn.utils import pretty_time, localdate
 
 
 ITEM_OFFSET = 1000
@@ -351,3 +351,27 @@ def check_continuous_visit(user):
              'description': description,
              'icon_url': '/img/' + icon,
              }]
+
+
+def check_visit_date(user):
+    now = localdate()
+
+    if now not in TIME_VALUE:
+        return []
+
+    achievement_id = TIME_OFFSET + TIME_KEY.index(now)
+
+    # check if already received achievement
+    query = user.achievement_set.filter('achievement_id =', achievement_id)
+    if query.count() > 0:
+        return []
+
+    ua = UserAchievement(owner=user, achievement_id=achievement_id)
+    key = ua.put()
+
+    title, description, icon = TIME_VALUE[now]
+    return [{'key': key.id(),
+             'title': title,
+             'description': description,
+             'icon_url': '/img/' + icon,
+             }]

backend/midautumn/api.py

@@ -255,7 +255,9 @@ def post(self):
         else:
             self._handle_visit(user)
 
-            achievements = achievement.check_continuous_visit(user)
+            achievements = []
+            achievements.extend(achievement.check_continuous_visit(user))
+            achievements.extend(achievement.check_visit_date(user))
             args = {'result': 'success',
                     'achievements': achievements
                     }

backend/midautumn/utils.py

@@ -6,7 +6,7 @@
 
 
 import time
-from datetime import timedelta, tzinfo
+from datetime import timedelta, tzinfo, datetime
 
 
 ZERO = timedelta(0)
@@ -59,3 +59,7 @@ def pretty_time(dt, tz=tpe):
             'localized': localtime.strftime(fmt),
             'timestamp': int(time.mktime(utctime.timetuple())),
             }
+
+def localdate(tz=tpe):
+    now = datetime.now(tz)
+    return now.date()