]> git.openstreetmap.org Git - osqa.git/blobdiff - forum/models/user.py
Merge pull request #49 from udacity/login_logout_links
[osqa.git] / forum / models / user.py
index e50c1f0843e8c50ddd2da692f49f9181e328740e..131ae5491d06c013f5b317c794ace47a611cb07e 100644 (file)
@@ -1,13 +1,15 @@
 from base import *
 from utils import PickledObjectField
+from django.conf import settings as django_settings
 from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import User as DjangoUser, AnonymousUser as DjangoAnonymousUser
-from django.db.models import Q
-try:
-    from hashlib import md5
-except:
-    from md5 import new as md5
+from django.db.models import Q, Manager
+from django.core.urlresolvers import get_script_prefix
+
+from django.utils.encoding import smart_unicode
+
+from forum.settings import TRUNCATE_LONG_USERNAMES, TRUNCATE_USERNAMES_LONGER_THAN
 
 import string
 from random import Random
@@ -15,13 +17,9 @@ from random import Random
 from django.utils.translation import ugettext as _
 import logging
 
-QUESTIONS_PER_PAGE_CHOICES = (
-(10, u'10'),
-(30, u'30'),
-(50, u'50'),
-)
-
 class AnonymousUser(DjangoAnonymousUser):
+    reputation = 0
+    
     def get_visible_answers(self, question):
         return question.answers.filter_state(deleted=False)
 
@@ -33,6 +31,9 @@ class AnonymousUser(DjangoAnonymousUser):
 
     def can_vote_down(self):
         return False
+    
+    def can_vote_count_today(self):
+        return 0
 
     def can_flag_offensive(self, post=None):
         return False
@@ -54,6 +55,12 @@ class AnonymousUser(DjangoAnonymousUser):
 
     def can_convert_to_comment(self, answer):
         return False
+    
+    def can_convert_to_question(self, answer):
+        return False
+    
+    def can_convert_comment_to_answer(self, comment):
+        return False
 
     def can_accept_answer(self, answer):
         return False
@@ -104,11 +111,25 @@ def false_if_validation_required_to(item):
         return decorated
     return decorator
 
+class UserManager(CachedManager):
+    def get(self, *args, **kwargs):
+        if not len(args) and len(kwargs) == 1 and 'username' in kwargs:
+            matching_users = self.filter(username=kwargs['username'])
+            
+            if len(matching_users) == 1:
+                return matching_users[0]
+            elif len(matching_users) > 1:
+                for user in matching_users:
+                    if user.username == kwargs['username']:
+                        return user
+                return matching_users[0]
+        return super(UserManager, self).get(*args, **kwargs)
+
 class User(BaseModel, DjangoUser):
     is_approved = models.BooleanField(default=False)
     email_isvalid = models.BooleanField(default=False)
 
-    reputation = models.PositiveIntegerField(default=0)
+    reputation = models.IntegerField(default=0)
     gold = models.PositiveIntegerField(default=0)
     silver = models.PositiveIntegerField(default=0)
     bronze = models.PositiveIntegerField(default=0)
@@ -125,8 +146,10 @@ class User(BaseModel, DjangoUser):
     vote_up_count = DenormalizedField("actions", canceled=False, action_type="voteup")
     vote_down_count = DenormalizedField("actions", canceled=False, action_type="votedown")
 
+    objects = UserManager()
+
     def __unicode__(self):
-        return self.username
+        return smart_unicode(self.username)
 
     @property
     def prop(self):
@@ -143,16 +166,25 @@ class User(BaseModel, DjangoUser):
         #todo: temporary thing, for now lets just assume that the site owner will always be the first user of the application
         return self.id == 1
 
-    @property
-    def decorated_name(self):
+
+    def _decorated_name(self):
+        username = smart_unicode(self.username)
+
+        if len(username) > TRUNCATE_USERNAMES_LONGER_THAN and TRUNCATE_LONG_USERNAMES:
+            username = '%s...' % username[:TRUNCATE_USERNAMES_LONGER_THAN-3]
+
         if settings.SHOW_STATUS_DIAMONDS:
             if self.is_superuser:
-                return u"%s \u2666\u2666" % self.username
+                return u"%s \u2666\u2666" % username
 
             if self.is_staff:
-                return u"%s \u2666" % self.username
+                return u"%s \u2666" % username
 
-        return self.username
+        return username
+
+    @property
+    def decorated_name(self):
+        return self._decorated_name()
 
     @property
     def last_activity(self):
@@ -163,10 +195,11 @@ class User(BaseModel, DjangoUser):
 
     @property
     def gravatar(self):
-        return md5(self.email).hexdigest()
-
+        return md5(self.email.lower()).hexdigest()
+    
     def save(self, *args, **kwargs):
-        if self.reputation < 0:
+        # If the community doesn't allow negative reputation, set it to 0
+        if not settings.ALLOW_NEGATIVE_REPUTATION and self.reputation < 0:
             self.reputation = 0
 
         new = not bool(self.id)
@@ -177,36 +210,50 @@ class User(BaseModel, DjangoUser):
             sub_settings = SubscriptionSettings(user=self)
             sub_settings.save()
 
-    def get_absolute_url(self):
-        return self.get_profile_url()
-
-    def get_messages(self):
-        messages = []
-        for m in self.message_set.all():
-            messages.append(m.message)
-        return messages
-
-    def delete_messages(self):
-        self.message_set.all().delete()
-
     @models.permalink
     def get_profile_url(self):
-        return ('user_profile', (), {'id': self.id, 'slug': slugify(self.username)})
+        keyword_arguments = {
+            'slug': slugify(smart_unicode(self.username))
+        }
+        if settings.INCLUDE_ID_IN_USER_URLS:
+            keyword_arguments.update({
+                'id': self.id,
+            })
+        return ('user_profile', (), keyword_arguments)
 
     def get_absolute_url(self):
-        return self.get_profile_url()
+        root_relative_url = self.get_profile_url()
+        relative_url = root_relative_url[len(get_script_prefix()):]
+        return '%s/%s' % (django_settings.APP_URL, relative_url)
 
     @models.permalink
     def get_asked_url(self):
-        return ('user_questions', (), {'mode': _('asked-by'), 'user': self.id, 'slug': slugify(self.username)})
+        return ('user_questions', (), {'mode': _('asked-by'), 'user': self.id, 'slug': slugify(smart_unicode(self.username))})
+
+    @models.permalink
+    def get_user_subscriptions_url(self):
+        keyword_arguments = {
+            'slug': slugify(smart_unicode(self.username))
+        }
+        if settings.INCLUDE_ID_IN_USER_URLS:
+            keyword_arguments.update({
+                'id': self.id,
+            })
+        return ('user_subscriptions', (), keyword_arguments)
 
     @models.permalink
     def get_answered_url(self):
         return ('user_questions', (), {'mode': _('answered-by'), 'user': self.id, 'slug': slugify(self.username)})
 
-    @models.permalink
     def get_subscribed_url(self):
-        return ('user_questions', (), {'mode': _('subscribed-by'), 'user': self.id, 'slug': slugify(self.username)})
+        try:
+            # Try to retrieve the Subscribed User URL.
+            url = reverse('user_questions',
+                           kwargs={'mode': _('subscribed-by'), 'user': self.id, 'slug': slugify(smart_unicode(self.username))})
+            return url
+        except Exception, e:
+            # If some Exception has been raised, don't forget to log it.
+            logging.error("Error retrieving a subscribed user URL: %s" % e)
 
     def get_profile_link(self):
         profile_link = u'<a href="%s">%s</a>' % (self.get_profile_url(), self.username)
@@ -232,6 +279,22 @@ class User(BaseModel, DjangoUser):
         today = datetime.date.today()
         return self.actions.filter(canceled=False, action_type="flag",
                                    action_date__gte=(today - datetime.timedelta(days=1))).count()
+    
+    def can_vote_count_today(self):
+        votes_today = settings.MAX_VOTES_PER_DAY
+        
+        if settings.USER_REPUTATION_TO_MAX_VOTES:
+            votes_today = votes_today + int(self.reputation)
+        
+        return votes_today
+    
+    def can_use_canned_comments(self):
+        # The canned comments feature is available only for admins and moderators,
+        # and only if the "Use canned comments" setting is activated in the administration.
+        if (self.is_superuser or self.is_staff) and settings.USE_CANNED_COMMENTS:
+            return True
+        else:
+            return False
 
     @true_if_is_super_or_staff
     def can_view_deleted_post(self, post):
@@ -276,12 +339,23 @@ class User(BaseModel, DjangoUser):
     def can_delete_comment(self, comment):
         return self == comment.author or self.reputation >= int(settings.REP_TO_DELETE_COMMENTS)
 
+    def can_convert_comment_to_answer(self, comment):
+        # We need to know what is the comment parent node type.
+        comment_parent_type = comment.parent.node_type
+
+        # If the parent is not a question or an answer this comment cannot be converted to an answer.
+        if comment_parent_type != "question" and comment_parent_type != "answer":
+            return False
+
+        return (comment.parent.node_type in ('question', 'answer')) and (self.is_superuser or self.is_staff or (
+            self == comment.author) or (self.reputation >= int(settings.REP_TO_CONVERT_COMMENTS_TO_ANSWERS)))
+
     def can_convert_to_comment(self, answer):
         return (not answer.marked) and (self.is_superuser or self.is_staff or answer.author == self or self.reputation >= int
                 (settings.REP_TO_CONVERT_TO_COMMENT))
     
-    def can_convert_to_question(self, answer):
-        return (not answer.marked) and (self.is_superuser or self.is_staff or answer.author == self or self.reputation >= int
+    def can_convert_to_question(self, node):
+        return (not node.marked) and (self.is_superuser or self.is_staff or node.author == self or self.reputation >= int
                 (settings.REP_TO_CONVERT_TO_QUESTION))
 
     @true_if_is_super_or_staff
@@ -317,7 +391,17 @@ class User(BaseModel, DjangoUser):
 
     @true_if_is_super_or_staff
     def can_reopen_question(self, question):
-        return self == question.author and self.reputation >= int(settings.REP_TO_REOPEN_OWN)
+        # Check whether the setting to Unify close and reopen permissions has been activated
+        if bool(settings.UNIFY_PERMISSIONS_TO_CLOSE_AND_REOPEN):
+            # If we unify close to reopen check whether the user has permissions to close.
+            # If he has -- he can reopen his question too.
+            can_reopen = (
+                self == question.author and self.reputation >= int(settings.REP_TO_CLOSE_OWN)
+            ) or self.reputation >= int(settings.REP_TO_CLOSE_OTHERS)
+        else:
+            # Check whether the user is the author and has the required permissions to reopen
+            can_reopen = self == question.author and self.reputation >= int(settings.REP_TO_REOPEN_OWN)
+        return can_reopen
 
     @true_if_is_super_or_staff
     def can_delete_post(self, post):
@@ -355,7 +439,7 @@ class User(BaseModel, DjangoUser):
             except MultipleObjectsReturned:
                 logging.error("Multiple suspension actions found for user %s (%s)" % (self.username, self.id))
                 self.__dict__['_suspension_dencache_'] = self.reputes.filter(action__action_type="suspend", action__canceled=False
-                                                                             ).order_by('-action__action_date')[0]
+                                                                             ).order_by('-action__action_date')[0].action
 
         return self.__dict__['_suspension_dencache_']
 
@@ -393,7 +477,10 @@ class UserProperty(BaseModel):
     @classmethod
     def infer_cache_key(cls, querydict):
         if 'user' in querydict and 'key' in querydict:
-            return cls._generate_cache_key("%s:%s" % (querydict['user'].id, querydict['key']))
+            cache_key = cls._generate_cache_key("%s:%s" % (querydict['user'].id, querydict['key']))
+            if len(cache_key) > django_settings.CACHE_MAX_KEY_LENGTH:
+                cache_key = cache_key[:django_settings.CACHE_MAX_KEY_LENGTH]
+            return cache_key
 
         return None
 
@@ -460,9 +547,6 @@ class SubscriptionSettings(models.Model):
     #auto_subscribe_to
     all_questions = models.BooleanField(default=False)
     all_questions_watched_tags = models.BooleanField(default=False)
-    questions_asked = models.BooleanField(default=True)
-    questions_answered = models.BooleanField(default=True)
-    questions_commented = models.BooleanField(default=False)
     questions_viewed = models.BooleanField(default=False)
 
     #notify activity on subscribed