add gravator support

apps/forum/settings.py

@@ -11,6 +11,8 @@ USERS_PAGE_SIZE = get('USERS_PAGE_SIZE', 20)
 AVATARS_UPLOAD_TO = get('AVATARS_UPLOAD_TO', 'forum/avatars')
 AVATAR_WIDTH = get('AVATAR_WIDTH', 60)
 AVATAR_HEIGHT = get('AVATAR_HEIGHT', 60)
+GRAVATOR_SUPPORT = get('GRAVATOR_SUPPORT', True)
+GRAVATOR_DEFAULT = get('GRAVATOR_DEFAULT', 'identicon')
 DEFAULT_TIME_ZONE = get('DEFAULT_TIME_ZONE', 3)
 SIGNATURE_MAX_LENGTH = get('SIGNATURE_MAX_LENGTH', 1024)
 SIGNATURE_MAX_LINES = get('SIGNATURE_MAX_LINES', 3)

apps/forum/templates/forum/topic.html

@@ -38,7 +38,9 @@
 						{{ post.user|forum_stars }}
 					</dd>
 					{% if post.user.forum_profile.avatar and post.user.forum_profile.show_avatar %}
-					<dd class="postavatar"><img src="{{ post.user.forum_profile.avatar.url }}" /></dd>
+						<dd class="postavatar"><img src="{{ post.user.forum_profile.avatar.url }}" /></dd>
+					{% else %}
+						<dd class="postavatar"><img src="{% gravator post.user.email %}" /></dd>
 					{% endif %}
 					{% if post.user.forum_profile.location %}
 					<dd>{% trans "From:" %} {{ post.user.forum_profile.location }}</dd>

apps/forum/templatetags/forum_extras.py

@@ -1,5 +1,11 @@
 # -*- coding: utf-8
 from datetime import datetime, timedelta
+import urllib
+try:
+    from hashlib import md5
+except ImportError:
+    import md5
+    md5 = md5.new
 
 from django import template
 from django.core.urlresolvers import reverse
@@ -110,7 +116,6 @@ def link(object, anchor=u''):
     anchor = anchor or smart_unicode(object)
     return mark_safe('<a href="%s">%s</a>' % (url, escape(anchor)))
 
-
 @register.filter
 def has_unreads(topic, user):
     """
@@ -221,14 +226,32 @@ def forum_stars(user):
     else:
         return mark_safe('<img src="%sforum/img/stars/Star_0.gif" alt="" >' % (settings.MEDIA_URL))
 
+
 @register.filter
 def online(user):
     return cache.get(str(user.id))
 
+
 @register.filter
 def pm_unreads(user):
     return PrivateMessage.objects.filter(dst_user=user, read=False).count()
 
+
 @register.simple_tag
 def new_reports():
     return Report.objects.filter(zapped=False).count()
+
+
+@register.simple_tag
+def gravator(email):
+    if forum_settings.GRAVATOR_SUPPORT:
+        size = max(forum_settings.AVATAR_WIDTH, forum_settings.AVATAR_HEIGHT)
+        url = "http://www.gravatar.com/avatar.php?"
+        url += urllib.urlencode({
+            'gravatar_id': md5(email.lower()).hexdigest(),
+            'size': size,
+            'default': forum_settings.GRAVATOR_DEFAULT,
+        })
+        return url
+    else:
+        return ''

apps/forum/views.py

@@ -21,7 +21,7 @@ from apps.forum import settings as forum_settings
 @render_to('forum/index.html')
 def index(request):
     users_online = []
-    
+    #TODO: refactoring
     for user in User.objects.all():
         if cache.get(str(user.id)):
             users_online.append(user)
@@ -345,8 +345,8 @@ def user(request, username):
                     form.save()
                     return HttpResponseRedirect(reverse('forum_profile', args=[user.username]))
                 return {'form': form,
-                        'avatar_width': forum_settings.FORUM_AVATAR_WIDTH,
-                        'avatar_height': forum_settings.FORUM_AVATAR_HEIGHT,
+                        'avatar_width': forum_settings.AVATAR_WIDTH,
+                        'avatar_height': forum_settings.AVATAR_HEIGHT,
                        }, 'forum/upload_avatar.html'
             elif action == 'delete_avatar':
                 profile = get_object_or_404(Profile, user=request.user)