[api2] Improve api for user avatar and add for group avatar

seahub/api2/urls.py

@@ -57,7 +57,8 @@ urlpatterns = patterns('',
     url(r'^user/msgs/(?P<id_or_email>[^/]+)/$', UserMsgsView.as_view()),
     url(r'^new_replies/$', NewRepliesView.as_view()),
 
-    url(r'^avatars/(?P<user>\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/resized/(?P<size>[0-9]+)/$', AvatarView.as_view()),
+    url(r'^avatars/user/(?P<user>\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/resized/(?P<size>[0-9]+)/$', UserAvatarView.as_view()),
+    url(r'^avatars/group/(?P<group_id>\d+)/resized/(?P<size>[0-9]+)/$', GroupAvatarView.as_view()),
 
     url(r'^groups/$', Groups.as_view()),
     url(r'^groups/(?P<group_id>\d+)/members/$', GroupMembers.as_view()),

seahub/api2/utils.py

@@ -283,7 +283,9 @@ def get_group_msgs(groupid, page, username):
 
     return group_msgs
 
-def get_timetamp(msgtimestamp):
+def get_timestamp(msgtimestamp):
+    if not msgtimestamp:
+        return 0
     timestamp = int(time.mktime(msgtimestamp.timetuple()))
     return timestamp
 

seahub/api2/views.py

@@ -29,9 +29,10 @@ from serializers import AuthTokenSerializer, AccountSerializer
 from utils import is_repo_writable, is_repo_accessible, calculate_repo_info, \
     api_error, get_file_size, prepare_starred_files, \
     get_groups, get_group_and_contacts, prepare_events, \
-    get_person_msgs, api_group_check, get_email, get_timetamp, \
+    get_person_msgs, api_group_check, get_email, get_timestamp, \
     get_group_message_json, get_group_msgs, get_group_msgs_json
-from seahub.avatar.templatetags.avatar_tags import avatar_url
+from seahub.avatar.templatetags.avatar_tags import api_avatar_url
+from seahub.avatar.templatetags.group_avatar_tags import api_grp_avatar_url
 from seahub.base.accounts import User
 from seahub.base.models import FileDiscuss, UserStarredFiles, \
     DirFilesLastModifiedInfo, DeviceToken
@@ -2642,7 +2643,7 @@ class UserMsgsView(APIView):
             m = {
                 'from_email' : msg.from_email,
                 'nickname' : email2nickname(msg.from_email),
-                'timestamp' : get_timetamp(msg.timestamp),
+                'timestamp' : get_timestamp(msg.timestamp),
                 'msg' : msg.message,
                 'attachments' : atts,
                 'msgid' : msg.message_id,
@@ -2688,16 +2689,31 @@ class NewRepliesView(APIView):
         UserNotification.objects.seen_group_msg_reply_notice(request.user.username)
         return Response(group_msgs)
 
-class AvatarView(APIView):
+class UserAvatarView(APIView):
     authentication_classes = (TokenAuthentication, )
     permission_classes = (IsAuthenticated,)
     throttle_classes = (UserRateThrottle, )
 
     def get(self, request, user, size, format=None):
-        url = avatar_url(user, int(size))
+        url, is_default, date_uploaded = api_avatar_url(user, int(size))
-        ret = { 'url': url }
+        ret = {
+            "url" : request.build_absolute_uri(url),
+            "is_default" : is_default,
+            "mtime": get_timestamp(date_uploaded) }
         return Response(ret)
 
+class GroupAvatarView(APIView):
+    authentication_classes = (TokenAuthentication, )
+    permission_classes = (IsAuthenticated,)
+    throttle_classes = (UserRateThrottle, )
+
+    def get(self, request, group_id, size, format=None):
+        url, is_default, date_uploaded = api_grp_avatar_url(group_id, int(size))
+        ret = {
+            "url" : request.build_absolute_uri(url),
+            "is_default" : is_default,
+            "mtime": get_timestamp(date_uploaded)}
+        return Response(ret)
 
 # Html related code
 def html_events(request):

seahub/avatar/templatetags/avatar_tags.py

@@ -34,6 +34,17 @@ def avatar_url(user, size=AVATAR_DEFAULT_SIZE):
         else:
             return get_default_avatar_url()
 
+@cache_result
+@register.simple_tag
+def api_avatar_url(user, size=AVATAR_DEFAULT_SIZE):
+    avatar = get_primary_avatar(user, size=size)
+    if avatar:
+        url = avatar.avatar_url(size)
+        date_uploaded = avatar.date_uploaded
+        return url, False, date_uploaded
+    else:
+        return get_default_avatar_url(), True, None
+
 @cache_result
 @register.simple_tag
 def avatar(user, size=AVATAR_DEFAULT_SIZE):

seahub/avatar/templatetags/group_avatar_tags.py

@@ -25,6 +25,29 @@ def get_default_group_avatar_url():
         return '%s/%s' % (base_url, GROUP_AVATAR_DEFAULT_URL)
     return '%s%s' % (base_url, GROUP_AVATAR_DEFAULT_URL)
 
+@register.simple_tag
+def api_grp_avatar_url(group_id, size=GROUP_AVATAR_DEFAULT_SIZE):
+    url = None
+    key = get_grp_cache_key(group_id, size)
+    val = cache.get(key)
+    if val:
+        return val.avatar_url(size), False, val.date_uploaded
+
+    # Get from DB, and refresh cache
+    grp_avatars = GroupAvatar.objects.filter(group_id=group_id)
+    if grp_avatars:
+        avatar = grp_avatars.order_by('-date_uploaded')[0]
+    else:
+        avatar = None
+
+    if avatar:
+        if not avatar.thumbnail_exists(size):
+            avatar.create_thumbnail(size)
+        return avatar.avatar_url(size), False, avatar.date_uploaded
+    else:
+        return get_default_group_avatar_url(), True, None
+
+
 @register.simple_tag
 def grp_avatar(group_id, size=GROUP_AVATAR_DEFAULT_SIZE):
     # Get from cache