the mark_favorite view should accept not only Questions but any Nodes (required for...

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

diff --git a/forum/views/commands.py b/forum/views/commands.py
index a55ac5670b01936639878ed9300f85aea562a1dd..2f35c1ecc82abc7f866ebf3287526f3f41e9eddd 100644 (file)
--- a/forum/views/commands.py
+++ b/forum/views/commands.py
@@ -1,70 +1,81 @@
+# -*- coding: utf-8 -*-
+

 import datetime
 import datetime

-from django.conf import settings
+import logging
+
+from urllib import urlencode
+

 from django.core.exceptions import ObjectDoesNotExist
 from django.core.exceptions import ObjectDoesNotExist

+from django.core.urlresolvers import reverse

 from django.utils import simplejson
 from django.utils import simplejson

-from django.http import HttpResponse, HttpResponseRedirect, HttpResponseForbidden
-from django.shortcuts import get_object_or_404, render_to_response
+from django.utils.encoding import smart_unicode

 from django.utils.translation import ungettext, ugettext as _
 from django.utils.translation import ungettext, ugettext as _

-from django.template import RequestContext
+from django.http import HttpResponse, HttpResponseRedirect, Http404
+from django.shortcuts import get_object_or_404, render_to_response
+

 from forum.models import *
 from forum.models import *

-from forum.forms import CloseForm
-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
-import logging
+from forum.utils.decorators import ajax_login_required
+from forum.actions import *
+from forum.modules import decorate
+from forum import settings
+
+from decorators import command, CommandException, RefreshPageCommand
+
+class NotEnoughRepPointsException(CommandException):
+    def __init__(self, action, user_reputation=None, reputation_required=None, node=None):
+        if reputation_required is not None and user_reputation is not None:
+            message = _(
+                """Sorry, but you don't have enough reputation points to %(action)s.<br />
+                The minimum reputation required is %(reputation_required)d (yours is %(user_reputation)d).
+                Please check the <a href='%(faq_url)s'>FAQ</a>"""
+            ) % {
+                'action': action,
+                'faq_url': reverse('faq'),
+                'reputation_required' : reputation_required,
+                'user_reputation' : user_reputation,
+            }
+        else:
+            message = _(
+                """Sorry, but you don't have enough reputation points to %(action)s.<br />Please check the <a href='%(faq_url)s'>faq</a>"""
+            ) % {'action': action, 'faq_url': reverse('faq')}
+        super(NotEnoughRepPointsException, self).__init__(message)

 
 

-class NotEnoughRepPointsException(Exception):
-    def __init__(self, action):
-        super(NotEnoughRepPointsException, self).__init__(
-            _("""
-            Sorry, but you don't have enough reputation points to %(action)s.<br />
-            Please check the <a href'%(faq_url)s'>faq</a>
-            """ % {'action': action, 'faq_url': reverse('faq')})
-        )
-
-class CannotDoOnOwnException(Exception):
+class CannotDoOnOwnException(CommandException):

     def __init__(self, action):
         super(CannotDoOnOwnException, self).__init__(
     def __init__(self, action):
         super(CannotDoOnOwnException, self).__init__(

-            _("""
-            Sorry but you cannot %(action)s your own post.<br />
-            Please check the <a href'%(faq_url)s'>faq</a>
-            """ % {'action': action, 'faq_url': reverse('faq')})
-        )
+                _(
+                        """Sorry but you cannot %(action)s your own post.<br />Please check the <a href='%(faq_url)s'>faq</a>"""
+                        ) % {'action': action, 'faq_url': reverse('faq')}
+                )

 
 

-class AnonymousNotAllowedException(Exception):
+class AnonymousNotAllowedException(CommandException):

     def __init__(self, action):
         super(AnonymousNotAllowedException, self).__init__(
     def __init__(self, action):
         super(AnonymousNotAllowedException, self).__init__(

-            _("""
-            Sorry but anonymous users cannot %(action)s.<br />
-            Please login or create an account <a href'%(signin_url)s'>here</a>.
-            """ % {'action': action, 'signin_url': reverse('auth_signin')})
-        )
+                _(
+                        """Sorry but anonymous users cannot %(action)s.<br />Please login or create an account <a href='%(signin_url)s'>here</a>."""
+                        ) % {'action': action, 'signin_url': reverse('auth_signin')}
+                )

 
 

-class NotEnoughLeftException(Exception):
+class NotEnoughLeftException(CommandException):

     def __init__(self, action, limit):
         super(NotEnoughLeftException, self).__init__(
     def __init__(self, action, limit):
         super(NotEnoughLeftException, self).__init__(

-            _("""
-            Sorry, but you don't have enough %(action)s left for today..<br />
-            The limit is %(limit)s per day..<br />
-            Please check the <a href'%(faq_url)s'>faq</a>
-            """ % {'action': action, 'limit': limit, 'faq_url': reverse('faq')})
-        )
-
-class CannotDoubleActionException(Exception):
+                _(
+                        """Sorry, but you don't have enough %(action)s left for today..<br />The limit is %(limit)s per day..<br />Please check the <a href='%(faq_url)s'>faq</a>"""
+                        ) % {'action': action, 'limit': limit, 'faq_url': reverse('faq')}
+                )
+
+class CannotDoubleActionException(CommandException):

     def __init__(self, action):
         super(CannotDoubleActionException, self).__init__(
     def __init__(self, action):
         super(CannotDoubleActionException, self).__init__(

-            _("""
-            Sorry, but you cannot %(action)s twice the same post.<br />
-            Please check the <a href'%(faq_url)s'>faq</a>
-            """ % {'action': action, 'faq_url': reverse('faq')})
-        )
+                _(
+                        """Sorry, but you cannot %(action)s twice the same post.<br />Please check the <a href='%(faq_url)s'>faq</a>"""
+                        ) % {'action': action, 'faq_url': reverse('faq')}
+                )

 
 
 
 

-@command
+@decorate.withfn(command)

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

-    vote_score = vote_type == 'up' and 1 or -1

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


@@ -74,37 +85,44 @@ def vote_post(request, id, vote_type):
         raise CannotDoOnOwnException(_('vote'))
 
     if not (vote_type == 'up' and user.can_vote_up() or user.can_vote_down()):
         raise CannotDoOnOwnException(_('vote'))
 
     if not (vote_type == 'up' and user.can_vote_up() or user.can_vote_down()):

-        raise NotEnoughRepPointsException(vote_type == 'up' and _('upvote') or _('downvote'))
+        reputation_required = int(settings.REP_TO_VOTE_UP) if vote_type == 'up' else int(settings.REP_TO_VOTE_DOWN)
+        action_type = vote_type == 'up' and _('upvote') or _('downvote')
+        raise NotEnoughRepPointsException(action_type, user_reputation=user.reputation, reputation_required=reputation_required, node=post)

 
     user_vote_count_today = user.get_vote_count_today()
 
     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))
 
         raise NotEnoughLeftException(_('votes'), str(settings.MAX_VOTES_PER_DAY))
 

-    try:
-        vote = post.votes.get(canceled=False, user=user)
+    new_vote_cls = (vote_type == 'up') and VoteUpAction or VoteDownAction
+    score_inc = 0

 
 

-        if vote.voted_at < datetime.datetime.now() - datetime.timedelta(days=int(settings.DENY_UNVOTE_DAYS)):
-            raise Exception(
+    old_vote = VoteAction.get_action_for(node=post, user=user)
+
+    if old_vote:
+        if old_vote.action_date < datetime.datetime.now() - datetime.timedelta(days=int(settings.DENY_UNVOTE_DAYS)):
+            raise CommandException(

                     _("Sorry but you cannot cancel a vote after %(ndays)d %(tdays)s from the original vote") %
                     _("Sorry but you cannot cancel a vote after %(ndays)d %(tdays)s from the original vote") %

-                    {'ndays': int(settings.DENY_UNVOTE_DAYS), 'tdays': ungettext('day', 'days', int(settings.DENY_UNVOTE_DAYS))}
-            )
+                    {'ndays': int(settings.DENY_UNVOTE_DAYS),
+                     'tdays': ungettext('day', 'days', int(settings.DENY_UNVOTE_DAYS))}
+                    )

 
 

-        vote.cancel()
-        vote_type = 'none'
-    except ObjectDoesNotExist:
-        #there is no vote yet
-        vote = Vote(user=user, node=post, vote=vote_score)
-        vote.save()
+        old_vote.cancel(ip=request.META['REMOTE_ADDR'])
+        score_inc = (old_vote.__class__ == VoteDownAction) and 1 or -1
+        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 = {
 
     response = {

-        'commands': {
-            'update_post_score': [id, vote.vote * (vote_type == 'none' and -1 or 1)],
-            'update_user_post_vote': [id, vote_type]
-        }
+    'commands': {
+    'update_post_score': [id, score_inc],
+    'update_user_post_vote': [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.") % \


@@ -112,8 +130,11 @@ def vote_post(request, id, vote_type):
 
     return response
 
 
     return response
 

-@command
+@decorate.withfn(command)

 def flag_post(request, id):
 def flag_post(request, id):

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

     post = get_object_or_404(Node, id=id)
     user = request.user
 
     post = get_object_or_404(Node, id=id)
     user = request.user
 


@@ -132,15 +153,20 @@ def flag_post(request, id):
         raise NotEnoughLeftException(_('flags'), str(settings.MAX_FLAGS_PER_DAY))
 
     try:
         raise NotEnoughLeftException(_('flags'), str(settings.MAX_FLAGS_PER_DAY))
 
     try:

-        post.flaggeditems.get(user=user)
-        raise CannotDoubleActionException(_('flag'))
+        current = FlagAction.objects.get(canceled=False, user=user, node=post)
+        raise CommandException(
+                _("You already flagged this post with the following reason: %(reason)s") % {'reason': current.extra})

     except ObjectDoesNotExist:
     except ObjectDoesNotExist:

-        flag = FlaggedItem(user=user, content_object=post)
-        flag.save()
+        reason = request.POST.get('prompt', '').strip()
+
+        if not len(reason):
+            raise CommandException(_("Reason is empty"))
+
+        FlagAction(user=user, node=post, extra=reason, ip=request.META['REMOTE_ADDR']).save()
+
+    return {'message': _("Thank you for your report. A moderator will review your submission shortly.")}

 
 

-    return {}
-        
-@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


@@ -152,25 +178,25 @@ def like_comment(request, id):
         raise CannotDoOnOwnException(_('like'))
 
     if not user.can_like_comment(comment):
         raise CannotDoOnOwnException(_('like'))
 
     if not user.can_like_comment(comment):

-        raise NotEnoughRepPointsException( _('like comments'))    
+        raise NotEnoughRepPointsException( _('like comments'), node=comment)

 
 

-    try:
-        like = LikedComment.active.get(comment=comment, user=user)
-        like.cancel()
+    like = VoteAction.get_action_for(node=comment, user=user)
+
+    if like:
+        like.cancel(ip=request.META['REMOTE_ADDR'])

         likes = False
         likes = False

-    except ObjectDoesNotExist:
-        like = LikedComment(comment=comment, user=user)
-        like.save()
+    else:
+        VoteUpCommentAction(node=comment, user=user, ip=request.META['REMOTE_ADDR']).save()

         likes = True
 
     return {
         likes = True
 
     return {

-        'commands': {
-            'update_comment_score': [comment.id, likes and 1 or -1],
-            'update_likes_comment_mark': [comment.id, likes and 'on' or 'off']
-        }
+    'commands': {
+    'update_post_score': [comment.id, likes and 1 or -1],
+    'update_user_post_vote': [comment.id, likes and 'up' or 'none']
+    }

     }
 
     }
 

-@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


@@ -181,38 +207,38 @@ def delete_comment(request, id):
     if not user.can_delete_comment(comment):
         raise NotEnoughRepPointsException( _('delete comments'))
 
     if not user.can_delete_comment(comment):
         raise NotEnoughRepPointsException( _('delete comments'))
 

-    comment.mark_deleted(user)
+    if not comment.nis.deleted:
+        DeleteAction(node=comment, user=user, ip=request.META['REMOTE_ADDR']).save()

 
     return {
 
     return {

-        'commands': {
-            'remove_comment': [comment.id],
-        }
+    'commands': {
+    'remove_comment': [comment.id],
+    }

     }
 
     }
 

-@command
+@decorate.withfn(command)

 def mark_favorite(request, id):
 def mark_favorite(request, id):

-    question = get_object_or_404(Question, id=id)
+    node = get_object_or_404(Node, id=id)

 
     if not request.user.is_authenticated():
         raise AnonymousNotAllowedException(_('mark a question as favorite'))
 
     try:
 
     if not request.user.is_authenticated():
         raise AnonymousNotAllowedException(_('mark a question as favorite'))
 
     try:

-        favorite = FavoriteQuestion.objects.get(question=question, user=request.user)
-        favorite.delete()
+        favorite = FavoriteAction.objects.get(canceled=False, node=node, user=request.user)
+        favorite.cancel(ip=request.META['REMOTE_ADDR'])

         added = False
     except ObjectDoesNotExist:
         added = False
     except ObjectDoesNotExist:

-        favorite = FavoriteQuestion(question=question, user=request.user)
-        favorite.save()
+        FavoriteAction(node=node, user=request.user, ip=request.META['REMOTE_ADDR']).save()

         added = True
 
     return {
         added = True
 
     return {

-        'commands': {
-            'update_favorite_count': [added and 1 or -1],
-            'update_favorite_mark': [added and 'on' or 'off']
-        }
+    'commands': {
+    'update_favorite_count': [added and 1 or -1],
+    'update_favorite_mark': [added and 'on' or 'off']
+    }

     }
 
     }
 

-@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


@@ -221,47 +247,70 @@ def comment(request, id):
         raise AnonymousNotAllowedException(_('comment'))
 
     if not request.method == 'POST':
         raise AnonymousNotAllowedException(_('comment'))
 
     if not request.method == 'POST':

-        raise Exception(_("Invalid request"))
+        raise CommandException(_("Invalid request"))
+
+    comment_text = request.POST.get('comment', '').strip()
+
+    if not len(comment_text):
+        raise CommandException(_("Comment is empty"))
+
+    if len(comment_text) < settings.FORM_MIN_COMMENT_BODY:
+        raise CommandException(_("At least %d characters required on comment body.") % settings.FORM_MIN_COMMENT_BODY)
+
+    if len(comment_text) > settings.FORM_MAX_COMMENT_BODY:
+        raise CommandException(_("No more than %d characters on comment body.") % settings.FORM_MAX_COMMENT_BODY)

 
     if 'id' in request.POST:
         comment = get_object_or_404(Comment, id=request.POST['id'])
 
         if not user.can_edit_comment(comment):
             raise NotEnoughRepPointsException( _('edit comments'))
 
     if 'id' in request.POST:
         comment = get_object_or_404(Comment, id=request.POST['id'])
 
         if not user.can_edit_comment(comment):
             raise NotEnoughRepPointsException( _('edit comments'))

+
+        comment = ReviseAction(user=user, node=comment, ip=request.META['REMOTE_ADDR']).save(
+                data=dict(text=comment_text)).node

     else:
         if not user.can_comment(post):
             raise NotEnoughRepPointsException( _('comment'))
 
     else:
         if not user.can_comment(post):
             raise NotEnoughRepPointsException( _('comment'))
 

-        comment = Comment(parent=post)
-
-    comment_text = request.POST.get('comment', '').strip()
-
-    if not len(comment_text):
-        raise Exception(_("Comment is empty"))
-
-    if not len(comment_text) > settings.FORM_MIN_COMMENT_BODY:
-        raise Exception(_("Comment must be at least %s characters" % settings.FORM_MIN_COMMENT_BODY))
-
-    comment.create_revision(user, body=comment_text)
+        comment = CommentAction(user=user, ip=request.META['REMOTE_ADDR']).save(
+                data=dict(text=comment_text, parent=post)).node

 
     if comment.active_revision.revision == 1:
         return {
 
     if comment.active_revision.revision == 1:
         return {

-            'commands': {
-                'insert_comment': [
-                    id, comment.id, comment_text, user.username, user.get_profile_url(), reverse('delete_comment', kwargs={'id': comment.id})
+        'commands': {
+        'insert_comment': [
+                id, comment.id, comment.comment, user.decorated_name, user.get_profile_url(),
+                reverse('delete_comment', 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),
+                bool(settings.SHOW_LATEST_COMMENTS_FIRST)

                 ]
                 ]

-            }
+        }

         }
     else:
         return {
         }
     else:
         return {

-            'commands': {
-                'update_comment': [comment.id, comment.comment]
-            }
+        'commands': {
+        'update_comment': [comment.id, comment.comment]
+        }

         }
 
         }
 

+@decorate.withfn(command)
+def node_markdown(request, id):
+    user = request.user

 
 

-@command
+    if not user.is_authenticated():
+        raise AnonymousNotAllowedException(_('accept answers'))
+
+    node = get_object_or_404(Node, id=id)
+    return HttpResponse(node.active_revision.body, mimetype="text/plain")
+
+
+@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():


@@ -271,25 +320,47 @@ 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 Exception(_("Sorry but only the question author can accept an answer"))
+        raise CommandException(_("Sorry but you cannot accept the answer"))

 
     commands = {}
 
 
     commands = {}
 

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

         commands['unmark_accepted'] = [answer.id]
     else:
         commands['unmark_accepted'] = [answer.id]
     else:

-        if question.accepted_answer is not None:
-            accepted = question.accepted_answer
-            accepted.unmark_accepted(user)
-            commands['unmark_accepted'] = [accepted.id]
+        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)))             
+
+
+        AcceptAnswerAction(node=answer, user=user, ip=request.META['REMOTE_ADDR']).save()
+
+        # If the request is not an AJAX redirect to the answer URL rather than to the home page
+        if not request.is_ajax():
+            msg = _("""
+              Congratulations! You've accepted an answer.
+            """)
+
+            # Notify the user with a message that an answer has been accepted
+            request.user.message_set.create(message=msg)
+
+            # Redirect URL should include additional get parameters that might have been attached
+            redirect_url = answer.parent.get_absolute_url() + "?accepted_answer=true&%s" % smart_unicode(urlencode(request.GET))
+
+            return HttpResponseRedirect(redirect_url)

 
 

-        answer.mark_accepted(user)

         commands['mark_accepted'] = [answer.id]
 
     return {'commands': commands}
 
         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


@@ -300,32 +371,155 @@ def delete_post(request, id):
     if not (user.can_delete_post(post)):
         raise NotEnoughRepPointsException(_('delete posts'))
 
     if not (user.can_delete_post(post)):
         raise NotEnoughRepPointsException(_('delete posts'))
 

-    post.mark_deleted(user)
+    ret = {'commands': {}}

 
 

-    return {
-        'commands': {
-                'mark_deleted': [post.node_type, id]
-            }
-    }
+    if post.nis.deleted:
+        post.nstate.deleted.cancel(user, ip=request.META['REMOTE_ADDR'])
+        ret['commands']['unmark_deleted'] = [post.node_type, id]
+    else:
+        DeleteAction(node=post, user=user, ip=request.META['REMOTE_ADDR']).save()
+
+        ret['commands']['mark_deleted'] = [post.node_type, id]
+
+    return ret
+
+@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})

 
 

-@command
-def subscribe(request, id):

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

+    user = request.user
+
+    if not user.is_authenticated():
+        raise AnonymousNotAllowedException(_('close questions'))
+
+    if question.nis.closed:
+        if not user.can_reopen_question(question):
+            raise NotEnoughRepPointsException(_('reopen questions'))
+
+        question.nstate.closed.cancel(user, ip=request.META['REMOTE_ADDR'])
+    else:
+        if not request.user.can_close_question(question):
+            raise NotEnoughRepPointsException(_('close questions'))
+
+        reason = request.POST.get('prompt', '').strip()
+
+        if not len(reason):
+            raise CommandException(_("Reason is empty"))
+
+        CloseAction(node=question, user=user, extra=reason, ip=request.META['REMOTE_ADDR']).save()
+
+    return RefreshPageCommand()
+
+@decorate.withfn(command)
+def wikify(request, id):
+    node = get_object_or_404(Node, id=id)
+    user = request.user
+
+    if not user.is_authenticated():
+        raise AnonymousNotAllowedException(_('mark posts as community wiki'))
+
+    if node.nis.wiki:
+        if not user.can_cancel_wiki(node):
+            raise NotEnoughRepPointsException(_('cancel a community wiki post'))
+
+        if node.nstate.wiki.action_type == "wikify":
+            node.nstate.wiki.cancel()
+        else:
+            node.nstate.wiki = None
+    else:
+        if not user.can_wikify(node):
+            raise NotEnoughRepPointsException(_('mark posts as community wiki'))
+
+        WikifyAction(node=node, user=user, ip=request.META['REMOTE_ADDR']).save()
+
+    return RefreshPageCommand()
+
+@decorate.withfn(command)
+def convert_to_comment(request, id):
+    user = request.user
+    answer = get_object_or_404(Answer, id=id)
+    question = answer.question
+
+    # Check whether the user has the required permissions
+    if not user.is_authenticated():
+        raise AnonymousNotAllowedException(_("convert answers to comments"))
+
+    if not user.can_convert_to_comment(answer):
+        raise NotEnoughRepPointsException(_("convert answers to comments"))
+
+    if not request.POST:
+        description = lambda a: _("Answer by %(uname)s: %(snippet)s...") % {'uname': smart_unicode(a.author.username),
+                                                                            'snippet': a.summary[:10]}
+        nodes = [(question.id, _("Question"))]
+        [nodes.append((a.id, description(a))) for a in
+         question.answers.filter_state(deleted=False).exclude(id=answer.id)]
+
+        return render_to_response('node/convert_to_comment.html', {'answer': answer, 'nodes': nodes})

 
     try:
 
     try:

-        subscription = QuestionSubscription.objects.get(question=question, user=request.user)
+        new_parent = Node.objects.get(id=request.POST.get('under', None))
+    except:
+        raise CommandException(_("That is an invalid post to put the comment under"))
+
+    if not (new_parent == question or (new_parent.node_type == 'answer' and new_parent.parent == question)):
+        raise CommandException(_("That is an invalid post to put the comment under"))
+
+    AnswerToCommentAction(user=user, node=answer, ip=request.META['REMOTE_ADDR']).save(data=dict(new_parent=new_parent))
+
+    return RefreshPageCommand()
+
+@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:
+        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 {
         'commands': {
         subscription.save()
         subscribed = True
 
     return {
         'commands': {

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


@@ -351,81 +545,88 @@ def mark_tag(request, tag=None, **kwargs):#tagging system
 
 def matching_tags(request):
     if len(request.GET['q']) == 0:
 
 def matching_tags(request):
     if len(request.GET['q']) == 0:

-       raise Exception(_("Invalid request"))
+        raise CommandException(_("Invalid request"))

 
 

-    possible_tags = Tag.objects.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")
 

-@ajax_login_required
-def ajax_toggle_ignored_questions(request):#ajax tagging and tag-filtering system
-    if request.user.hide_ignored_questions:
-        new_hide_setting = False
-    else:
-        new_hide_setting = True
-    request.user.hide_ignored_questions = new_hide_setting
-    request.user.save()
-
-@ajax_method
-def ajax_command(request):#refactor? view processing ajax commands - note "vote" and view others do it too
-    if 'command' not in request.POST:
-        return HttpResponseForbidden(mimetype="application/json")
-    if request.POST['command'] == 'toggle-ignored-questions':
-        return ajax_toggle_ignored_questions(request)
-
-@login_required
-def close(request, id):#close question
-    """view to initiate and process 
-    question close
-    """
-    question = get_object_or_404(Question, id=id)
-    if not request.user.can_close_question(question):
-        return HttpResponseForbidden()
-    if request.method == 'POST':
-        form = CloseForm(request.POST)
-        if form.is_valid():
-            reason = form.cleaned_data['reason']
-            question.closed = True
-            question.closed_by = request.user
-            question.closed_at = datetime.datetime.now()
-            question.close_reason = reason
-            question.save()
-        return HttpResponseRedirect(question.get_absolute_url())
+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):
+        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)
+                 for q in questions.filter_state(deleted=False)[0:10]]), mimetype="application/json")

     else:
     else:

-        form = CloseForm()
-        return render_to_response('close.html', {
-            'form' : form,
-            'question' : question,
-            }, context_instance=RequestContext(request))
-
-@login_required
-def reopen(request, id):#re-open question
-    """view to initiate and process 
-    question close
-    """
-    question = get_object_or_404(Question, id=id)
-    # open question
-    if not request.user.can_reopen_question(question):
-        return HttpResponseForbidden()
-    if request.method == 'POST' :
-        Question.objects.filter(id=question.id).update(closed=False,
-            closed_by=None, closed_at=None, close_reason=None)
-        return HttpResponseRedirect(question.get_absolute_url())
+        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:
     else:

-        return render_to_response('reopen.html', {
-            'question' : question,
-            }, context_instance=RequestContext(request))
+        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"))

 
 

-#osqa-user communication system
-def read_message(request):#marks message a read
-    if request.method == "POST":
-        if request.POST['formdata'] == 'required':
-            request.session['message_silent'] = 1
-            if request.user.is_authenticated():
-                request.user.delete_messages()
-    return HttpResponse('')
+        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} }