adding a try-except block that listens for AttributeError for the find_by_name and...

[osqa.git] / forum / views / commands.py

diff --git a/forum/views/commands.py b/forum/views/commands.py
index a8f6d426fe28b3592f465c9ec6c788e2e6b6d607..aeb01e54b2a387d3a8795cf30cb83ef0b8a2bc28 100644 (file)
--- a/forum/views/commands.py
+++ b/forum/views/commands.py
@@ -6,13 +6,14 @@ from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.shortcuts import get_object_or_404, render_to_response
 from django.utils.translation import ungettext, ugettext as _
 from django.template import RequestContext
 from django.shortcuts import get_object_or_404, render_to_response
 from django.utils.translation import ungettext, ugettext as _
 from django.template import RequestContext

+from django.template.loader import render_to_string

 from forum.models import *
 from forum.models.node import NodeMetaClass
 from forum.actions import *
 from django.core.urlresolvers import reverse
 from forum.models import *
 from forum.models.node import NodeMetaClass
 from forum.actions import *
 from django.core.urlresolvers import reverse

-from django.contrib.auth.decorators import login_required

 from forum.utils.decorators import ajax_method, ajax_login_required
 from decorators import command, CommandException, RefreshPageCommand
 from forum.utils.decorators import ajax_method, ajax_login_required
 from decorators import command, CommandException, RefreshPageCommand

+from forum.modules import decorate

 from forum import settings
 import logging
 
 from forum import settings
 import logging
 


@@ -57,7 +58,7 @@ class CannotDoubleActionException(CommandException):
                 )
 
 
                 )
 
 

-@command
+@decorate.withfn(command)

 def vote_post(request, id, vote_type):
     post = get_object_or_404(Node, id=id).leaf
     user = request.user
 def vote_post(request, id, vote_type):
     post = get_object_or_404(Node, id=id).leaf
     user = request.user


@@ -72,8 +73,9 @@ def vote_post(request, id, vote_type):
         raise NotEnoughRepPointsException(vote_type == 'up' and _('upvote') or _('downvote'))
 
     user_vote_count_today = user.get_vote_count_today()
         raise NotEnoughRepPointsException(vote_type == 'up' and _('upvote') or _('downvote'))
 
     user_vote_count_today = user.get_vote_count_today()

+    user_can_vote_count_today = user.can_vote_count_today()

 
 

-    if user_vote_count_today >= int(settings.MAX_VOTES_PER_DAY):
+    if user_vote_count_today >= user.can_vote_count_today():

         raise NotEnoughLeftException(_('votes'), str(settings.MAX_VOTES_PER_DAY))
 
     new_vote_cls = (vote_type == 'up') and VoteUpAction or VoteDownAction
         raise NotEnoughLeftException(_('votes'), str(settings.MAX_VOTES_PER_DAY))
 
     new_vote_cls = (vote_type == 'up') and VoteUpAction or VoteDownAction


@@ -90,13 +92,11 @@ def vote_post(request, id, vote_type):
                     )
 
         old_vote.cancel(ip=request.META['REMOTE_ADDR'])
                     )
 
         old_vote.cancel(ip=request.META['REMOTE_ADDR'])

-        score_inc += (old_vote.__class__ == VoteDownAction) and 1 or -1
-
-    if old_vote.__class__ != new_vote_cls:
-        new_vote_cls(user=user, node=post, ip=request.META['REMOTE_ADDR']).save()
-        score_inc += (new_vote_cls == VoteUpAction) and 1 or -1
-    else:
+        score_inc = (old_vote.__class__ == VoteDownAction) and 1 or -1

         vote_type = "none"
         vote_type = "none"

+    else:
+        new_vote_cls(user=user, node=post, ip=request.META['REMOTE_ADDR']).save()
+        score_inc = (new_vote_cls == VoteUpAction) and 1 or -1

 
     response = {
     'commands': {
 
     response = {
     'commands': {


@@ -105,7 +105,7 @@ def vote_post(request, id, vote_type):
     }
     }
 
     }
     }
 

-    votes_left = (int(settings.MAX_VOTES_PER_DAY) - user_vote_count_today) + (vote_type == 'none' and -1 or 1)
+    votes_left = (user_can_vote_count_today - user_vote_count_today) + (vote_type == 'none' and -1 or 1)

 
     if int(settings.START_WARN_VOTES_LEFT) >= votes_left:
         response['message'] = _("You have %(nvotes)s %(tvotes)s left today.") % \
 
     if int(settings.START_WARN_VOTES_LEFT) >= votes_left:
         response['message'] = _("You have %(nvotes)s %(tvotes)s left today.") % \


@@ -113,7 +113,7 @@ def vote_post(request, id, vote_type):
 
     return response
 
 
     return response
 

-@command
+@decorate.withfn(command)

 def flag_post(request, id):
     if not request.POST:
         return render_to_response('node/report.html', {'types': settings.FLAG_TYPES})
 def flag_post(request, id):
     if not request.POST:
         return render_to_response('node/report.html', {'types': settings.FLAG_TYPES})


@@ -149,7 +149,7 @@ def flag_post(request, id):
 
     return {'message': _("Thank you for your report. A moderator will review your submission shortly.")}
 
 
     return {'message': _("Thank you for your report. A moderator will review your submission shortly.")}
 

-@command
+@decorate.withfn(command)

 def like_comment(request, id):
     comment = get_object_or_404(Comment, id=id)
     user = request.user
 def like_comment(request, id):
     comment = get_object_or_404(Comment, id=id)
     user = request.user


@@ -179,7 +179,7 @@ def like_comment(request, id):
     }
     }
 
     }
     }
 

-@command
+@decorate.withfn(command)

 def delete_comment(request, id):
     comment = get_object_or_404(Comment, id=id)
     user = request.user
 def delete_comment(request, id):
     comment = get_object_or_404(Comment, id=id)
     user = request.user


@@ -199,7 +199,7 @@ def delete_comment(request, id):
     }
     }
 
     }
     }
 

-@command
+@decorate.withfn(command)

 def mark_favorite(request, id):
     question = get_object_or_404(Question, id=id)
 
 def mark_favorite(request, id):
     question = get_object_or_404(Question, id=id)
 


@@ -221,7 +221,7 @@ def mark_favorite(request, id):
     }
     }
 
     }
     }
 

-@command
+@decorate.withfn(command)

 def comment(request, id):
     post = get_object_or_404(Node, id=id)
     user = request.user
 def comment(request, id):
     post = get_object_or_404(Node, id=id)
     user = request.user


@@ -262,9 +262,11 @@ def comment(request, id):
         return {
         'commands': {
         'insert_comment': [
         return {
         'commands': {
         'insert_comment': [

-                id, comment.id, comment.comment, user.username, user.get_profile_url(),
+                id, comment.id, comment.comment, user.decorated_name, user.get_profile_url(),

                 reverse('delete_comment', kwargs={'id': comment.id}),
                 reverse('delete_comment', kwargs={'id': comment.id}),

-                reverse('node_markdown', kwargs={'id': comment.id})
+                reverse('node_markdown', kwargs={'id': comment.id}),
+                reverse('convert_comment', kwargs={'id': comment.id}),
+                user.can_convert_comment_to_answer(comment),

                 ]
         }
         }
                 ]
         }
         }


@@ -275,7 +277,7 @@ def comment(request, id):
         }
         }
 
         }
         }
 

-@command
+@decorate.withfn(command)

 def node_markdown(request, id):
     user = request.user
 
 def node_markdown(request, id):
     user = request.user
 


@@ -283,11 +285,14 @@ def node_markdown(request, id):
         raise AnonymousNotAllowedException(_('accept answers'))
 
     node = get_object_or_404(Node, id=id)
         raise AnonymousNotAllowedException(_('accept answers'))
 
     node = get_object_or_404(Node, id=id)

-    return HttpResponse(node.body, mimetype="text/plain")
+    return HttpResponse(node.active_revision.body, mimetype="text/plain")

 
 
 
 

-@command
+@decorate.withfn(command)

 def accept_answer(request, id):
 def accept_answer(request, id):

+    if settings.DISABLE_ACCEPTING_FEATURE:
+        raise Http404()
+

     user = request.user
 
     if not user.is_authenticated():
     user = request.user
 
     if not user.is_authenticated():


@@ -297,7 +302,7 @@ def accept_answer(request, id):
     question = answer.question
 
     if not user.can_accept_answer(answer):
     question = answer.question
 
     if not user.can_accept_answer(answer):

-        raise CommandException(_("Sorry but only the question author can accept an answer"))
+        raise CommandException(_("Sorry but you cannot accept the answer"))

 
     commands = {}
 
 
     commands = {}
 


@@ -305,18 +310,24 @@ def accept_answer(request, id):
         answer.nstate.accepted.cancel(user, ip=request.META['REMOTE_ADDR'])
         commands['unmark_accepted'] = [answer.id]
     else:
         answer.nstate.accepted.cancel(user, ip=request.META['REMOTE_ADDR'])
         commands['unmark_accepted'] = [answer.id]
     else:

-        accepted = question.accepted_answer
+        if settings.MAXIMUM_ACCEPTED_ANSWERS and (question.accepted_count >= settings.MAXIMUM_ACCEPTED_ANSWERS):
+            raise CommandException(ungettext("This question already has an accepted answer.",
+                "Sorry but this question has reached the limit of accepted answers.", int(settings.MAXIMUM_ACCEPTED_ANSWERS)))
+
+        if settings.MAXIMUM_ACCEPTED_PER_USER and question.accepted_count:
+            accepted_from_author = question.accepted_answers.filter(author=answer.author).count()
+
+            if accepted_from_author >= settings.MAXIMUM_ACCEPTED_PER_USER:
+                raise CommandException(ungettext("The author of this answer already has an accepted answer in this question.",
+                "Sorry but the author of this answer has reached the limit of accepted answers per question.", int(settings.MAXIMUM_ACCEPTED_PER_USER)))             

 
 

-        if accepted:
-            accepted.nstate.accepted.cancel(user, ip=request.META['REMOTE_ADDR'])
-            commands['unmark_accepted'] = [accepted.id]

 
         AcceptAnswerAction(node=answer, user=user, ip=request.META['REMOTE_ADDR']).save()
         commands['mark_accepted'] = [answer.id]
 
     return {'commands': commands}
 
 
         AcceptAnswerAction(node=answer, user=user, ip=request.META['REMOTE_ADDR']).save()
         commands['mark_accepted'] = [answer.id]
 
     return {'commands': commands}
 

-@command
+@decorate.withfn(command)

 def delete_post(request, id):
     post = get_object_or_404(Node, id=id)
     user = request.user
 def delete_post(request, id):
     post = get_object_or_404(Node, id=id)
     user = request.user


@@ -339,7 +350,7 @@ def delete_post(request, id):
 
     return ret
 
 
     return ret
 

-@command
+@decorate.withfn(command)

 def close(request, id, close):
     if close and not request.POST:
         return render_to_response('node/report.html', {'types': settings.CLOSE_TYPES})
 def close(request, id, close):
     if close and not request.POST:
         return render_to_response('node/report.html', {'types': settings.CLOSE_TYPES})


@@ -368,7 +379,7 @@ def close(request, id, close):
 
     return RefreshPageCommand()
 
 
     return RefreshPageCommand()
 

-@command
+@decorate.withfn(command)

 def wikify(request, id):
     node = get_object_or_404(Node, id=id)
     user = request.user
 def wikify(request, id):
     node = get_object_or_404(Node, id=id)
     user = request.user


@@ -392,7 +403,7 @@ def wikify(request, id):
 
     return RefreshPageCommand()
 
 
     return RefreshPageCommand()
 

-@command
+@decorate.withfn(command)

 def convert_to_comment(request, id):
     user = request.user
     answer = get_object_or_404(Answer, id=id)
 def convert_to_comment(request, id):
     user = request.user
     answer = get_object_or_404(Answer, id=id)


@@ -425,24 +436,56 @@ def convert_to_comment(request, id):
 
     return RefreshPageCommand()
 
 
     return RefreshPageCommand()
 

-@command
-def subscribe(request, id):
+@decorate.withfn(command)
+def convert_comment_to_answer(request, id):
+    user = request.user
+    comment = get_object_or_404(Comment, id=id)
+    parent = comment.parent
+
+    if not parent.question:
+        question = parent
+    else:
+        question = parent.question
+    
+    if not user.is_authenticated():
+        raise AnonymousNotAllowedException(_("convert comments to answers"))
+
+    if not user.can_convert_comment_to_answer(comment):
+        raise NotEnoughRepPointsException(_("convert comments to answers"))
+    
+    CommentToAnswerAction(user=user, node=comment, ip=request.META['REMOTE_ADDR']).save(data=dict(question=question))
+
+    return RefreshPageCommand()
+
+@decorate.withfn(command)
+def subscribe(request, id, user=None):
+    if user:
+        try:
+            user = User.objects.get(id=user)
+        except User.DoesNotExist:
+            raise Http404()
+
+        if not (request.user.is_a_super_user_or_staff() or user.is_authenticated()):
+            raise CommandException(_("You do not have the correct credentials to preform this action."))
+    else:
+        user = request.user
+

     question = get_object_or_404(Question, id=id)
 
     try:
     question = get_object_or_404(Question, id=id)
 
     try:

-        subscription = QuestionSubscription.objects.get(question=question, user=request.user)
+        subscription = QuestionSubscription.objects.get(question=question, user=user)

         subscription.delete()
         subscribed = False
     except:
         subscription.delete()
         subscribed = False
     except:

-        subscription = QuestionSubscription(question=question, user=request.user, auto_subscription=False)
+        subscription = QuestionSubscription(question=question, user=user, auto_subscription=False)

         subscription.save()
         subscribed = True
 
     return {
         subscription.save()
         subscribed = True
 
     return {

-    'commands': {
-    'set_subscription_button': [subscribed and _('unsubscribe me') or _('subscribe me')],
-    'set_subscription_status': ['']
-    }
+        'commands': {
+            'set_subscription_button': [subscribed and _('unsubscribe me') or _('subscribe me')],
+            'set_subscription_status': ['']
+        }

     }
 
 #internally grouped views - used by the tagging system
     }
 
 #internally grouped views - used by the tagging system


@@ -470,25 +513,86 @@ def matching_tags(request):
     if len(request.GET['q']) == 0:
         raise CommandException(_("Invalid request"))
 
     if len(request.GET['q']) == 0:
         raise CommandException(_("Invalid request"))
 

-    possible_tags = Tag.active.filter(name__istartswith = request.GET['q'])
+    possible_tags = Tag.active.filter(name__icontains = request.GET['q'])

     tag_output = ''
     for tag in possible_tags:
     tag_output = ''
     for tag in possible_tags:

-        tag_output += (tag.name + "|" + tag.name + "." + tag.used_count.__str__() + "\n")
+        tag_output += "%s|%s|%s\n" % (tag.id, tag.name, tag.used_count)

 
     return HttpResponse(tag_output, mimetype="text/plain")
 
 
     return HttpResponse(tag_output, mimetype="text/plain")
 

+def matching_users(request):
+    if len(request.GET['q']) == 0:
+        raise CommandException(_("Invalid request"))
+
+    possible_users = User.objects.filter(username__icontains = request.GET['q'])
+    output = ''
+
+    for user in possible_users:
+        output += ("%s|%s|%s\n" % (user.id, user.decorated_name, user.reputation))
+
+    return HttpResponse(output, mimetype="text/plain")
+

 def related_questions(request):
     if request.POST and request.POST.get('title', None):
 def related_questions(request):
     if request.POST and request.POST.get('title', None):

+        can_rank, questions = Question.objects.search(request.POST['title'])
+
+        if can_rank and isinstance(can_rank, basestring):
+            questions = questions.order_by(can_rank)
+

         return HttpResponse(simplejson.dumps(
                 [dict(title=q.title, url=q.get_absolute_url(), score=q.score, summary=q.summary)
         return HttpResponse(simplejson.dumps(
                 [dict(title=q.title, url=q.get_absolute_url(), score=q.score, summary=q.summary)

-                 for q in Question.objects.search(request.POST['title']).filter_state(deleted=False)[0:10]]),
-                            mimetype="application/json")
+                 for q in questions.filter_state(deleted=False)[0:10]]), mimetype="application/json")

     else:
         raise Http404()
 
     else:
         raise Http404()
 

+@decorate.withfn(command)
+def answer_permanent_link(request, id):
+    # Getting the current answer object
+    answer = get_object_or_404(Answer, id=id)
+
+    # Getting the current object URL -- the Application URL + the object relative URL
+    url = '%s%s' % (settings.APP_BASE_URL, answer.get_absolute_url())

 
 

+    if not request.POST:
+        # Display the template
+        return render_to_response('node/permanent_link.html', { 'url' : url, })
+
+    return {
+        'commands' : {
+            'copy_url' : [request.POST['permanent_link_url'],],
+        },
+        'message' : _("The permanent URL to the answer has been copied to your clipboard."),
+    }
+
+@decorate.withfn(command)
+def award_points(request, user_id, answer_id):
+    user = request.user
+    awarded_user = get_object_or_404(User, id=user_id)
+    answer = get_object_or_404(Answer, id=answer_id)
+
+    # Users shouldn't be able to award themselves
+    if awarded_user.id == user.id:
+        raise CannotDoOnOwnException(_("award"))
+
+    # Anonymous users cannot award  points, they just don't have such
+    if not user.is_authenticated():
+        raise AnonymousNotAllowedException(_('award'))
+
+    if not request.POST:
+        return render_to_response("node/award_points.html", { 'user' : user, 'awarded_user' : awarded_user, })
+    else:
+        points = int(request.POST['points'])

 
 

+        # We should check if the user has enough reputation points, otherwise we raise an exception.
+        if points < 0:
+            raise CommandException(_("The number of points to award needs to be a positive value."))

 
 

+        if user.reputation < points:
+            raise NotEnoughRepPointsException(_("award"))

 
 

+        extra = dict(message=request.POST.get('message', ''), awarding_user=request.user.id, value=points)

 
 

+        # We take points from the awarding user
+        AwardPointsAction(user=request.user, node=answer, extra=extra).save(data=dict(value=points, affected=awarded_user))

 
 

+        return { 'message' : _("You have awarded %(awarded_user)s with %(points)d points") % {'awarded_user' : awarded_user, 'points' : points} }