def delete(request, id, template_name="resumes/delete.html"):
    resume = get_object_or_404(Resume, pk=id)

    if has_perm(request.user,'resumes.delete_resume'):   
        if request.method == "POST":
            log_defaults = {
                'event_id' : 433000,
                'event_data': '%s (%d) deleted by %s' % (resume._meta.object_name, resume.pk, request.user),
                'description': '%s deleted' % resume._meta.object_name,
                'user': request.user,
                'request': request,
                'instance': resume,
            }
            
            EventLog.objects.log(**log_defaults)
            messages.add_message(request, messages.SUCCESS, 'Successfully deleted %s' % resume)
            
            # send notification to administrators
            recipients = get_notice_recipients('module', 'resumes', 'resumerecipients')
            if recipients:
                if notification:
                    extra_context = {
                        'object': resume,
                        'request': request,
                    }
                    notification.send_emails(recipients,'resume_deleted', extra_context)
            
            resume.delete()
                
            return HttpResponseRedirect(reverse('resume.search'))
    
        return render_to_response(template_name, {'resume': resume}, 
            context_instance=RequestContext(request))
    else:
        raise Http403

def delete(request, id, template_name="profiles/delete.html"):
    user = get_object_or_404(User, pk=id)
    try:
        profile = Profile.objects.get(user=user)
    except:
        profile = None
    
    if not has_perm(request.user,'profiles.delete_profile',profile): raise Http403

    if request.method == "POST":
        recipients = get_notice_recipients('module', 'users', 'userrecipients')
        if recipients:
            if notification:
                extra_context = {
                    'profile': profile,
                    'request': request,
                }
                notification.send_emails(recipients,'user_deleted', extra_context)
        #soft delete
        #profile.delete()
        #user.delete()
        if profile:
            profile.status_detail = 'inactive'
            profile.save()
        user.is_active = False
        user.save()
        
        
        return HttpResponseRedirect(reverse('profile.search'))

    return render_to_response(template_name, {'user_this':user, 'profile': profile}, 
        context_instance=RequestContext(request))

def delete(request, id, template_name="resumes/delete.html"):
    resume = get_object_or_404(Resume, pk=id)

    if has_perm(request.user,'resumes.delete_resume'):
        if request.method == "POST":

            EventLog.objects.log(instance=resume)
            messages.add_message(request, messages.SUCCESS, _('Successfully deleted %(r)s' % {'r':resume}))

            # send notification to administrators
            recipients = get_notice_recipients('module', 'resumes', 'resumerecipients')
            if recipients:
                if notification:
                    extra_context = {
                        'object': resume,
                        'request': request,
                    }
                    notification.send_emails(recipients,'resume_deleted', extra_context)

            resume.delete()

            return HttpResponseRedirect(reverse('resume.search'))

        return render_to_response(template_name, {'resume': resume},
            context_instance=RequestContext(request))
    else:
        raise Http403

def add(request, form_class=NewsForm, template_name="news/add.html"):

    # check permission
    if not has_perm(request.user, 'news.add_news'):
        raise Http403

    if request.method == "POST":
        form = form_class(request.POST, user=request.user)
        if form.is_valid():
            news = form.save(commit=False)

            # update all permissions and save the model
            news = update_perms_and_save(request, form, news)

            messages.add_message(request, messages.SUCCESS, 'Successfully added %s' % news)

            # send notification to administrators
            recipients = get_notice_recipients('module', 'news', 'newsrecipients')
            if recipients:
                if notification:
                    extra_context = {
                        'object': news,
                        'request': request,
                    }
                    notification.send_emails(recipients, 'news_added', extra_context)

            return HttpResponseRedirect(reverse('news.detail', args=[news.slug]))
    else:
        form = form_class(user=request.user)

    return render_to_response(template_name, {'form': form},
        context_instance=RequestContext(request))

def group_delete(request, id, template_name="user_groups/delete.html"):
    group = get_object_or_404(Group, pk=id)
    
    if not has_perm(request.user,'user_groups.delete_group',group): raise Http403

    if request.method == "POST":
        # send notification to administrators
        recipients = get_notice_recipients('module', 'groups', 'grouprecipients')
        if recipients: 
            if notification:
                extra_context = {
                    'object': group,
                    'request': request,
                }
                notification.send_emails(recipients,'group_deleted', extra_context)
                    
        log_defaults = {
            'event_id' : 163000,
            'event_data': '%s (%d) deleted by %s' % (group._meta.object_name, group.pk, request.user),
            'description': '%s deleted' % group._meta.object_name,
            'user': request.user,
            'request': request,
            'instance': group,
        }
        EventLog.objects.log(**log_defaults)

        group.delete()
        return HttpResponseRedirect(reverse('group.search'))

    return render_to_response(template_name, {'group':group}, 
        context_instance=RequestContext(request))

def edit(request, id=None, form_class=HelpFileForm, template_name="help_files/edit.html"):
    help_file = get_object_or_404(HelpFile, pk=id)
    if has_perm(request.user,'help_files.change_helpfile', help_file):
        if request.method == "POST":
            form = form_class(request.POST, instance=help_file, user=request.user)
            if form.is_valid():           
                help_file = form.save(commit=False)

                # add all permissions and save the model
                help_file = update_perms_and_save(request, form, help_file)
                form.save_m2m()

                messages.add_message(request, messages.SUCCESS, 'Successfully edited %s' % help_file)
                
                # send notification to administrator(s) and module recipient(s)
                recipients = get_notice_recipients('module', 'help_files', 'helpfilerecipients')
                # if recipients and notification: 
#                     notification.send_emails(recipients,'help_file_added', {
#                         'object': help_file,
#                         'request': request,
#                     })

                return HttpResponseRedirect(reverse('help_file.details', args=[help_file.slug]))
        else:
            form = form_class(instance=help_file, user=request.user)
           
        return render_to_response(template_name, {'help_file': help_file, 'form':form}, 
            context_instance=RequestContext(request))
    else:
        raise Http403

def add(request, form_class=NewsForm, template_name="news/add.html"):
    # check permission
    if not has_perm(request.user, "news.add_news"):
        raise Http403

    if request.method == "POST":
        form = form_class(request.POST, request.FILES, user=request.user)
        if form.is_valid():
            news = form.save(commit=False)

            # update all permissions and save the model
            news = update_perms_and_save(request, form, news)

            # save photo
            photo = form.cleaned_data["photo_upload"]
            if photo:
                news.save(photo=photo)
                assign_files_perms(news, files=[news.thumbnail])

            messages.add_message(request, messages.SUCCESS, "Successfully added %s" % news)

            # send notification to administrators
            recipients = get_notice_recipients("module", "news", "newsrecipients")
            if recipients:
                if notification:
                    extra_context = {"object": news, "request": request}
                    notification.send_emails(recipients, "news_added", extra_context)

            return HttpResponseRedirect(reverse("news.detail", args=[news.slug]))
    else:
        form = form_class(user=request.user)

    return render_to_response(template_name, {"form": form}, context_instance=RequestContext(request))

 def auto_update_paid_object(self, request, payment):
     """
     Update the object after online payment is received.
     """
     from datetime import datetime
     try:
         from tendenci.apps.notifications import models as notification
     except:
         notification = None
     from tendenci.core.perms.utils import get_notice_recipients
      
     # approve it
     if self.renew_entry_id:
         self.approve_renewal(request)
     else:
         self.approve_join(request)
         
     
     # send notification to administrators
     recipients = get_notice_recipients('module', 'corporate_memberships', 'corporatemembershiprecipients')
     if recipients:
         if notification:
             extra_context = {
                 'object': self,
                 'request': request,
             }
             notification.send_emails(recipients,'corp_memb_paid', extra_context)

def delete(request, id, template_name="studygroups/delete.html"):
    study_group = get_object_or_404(StudyGroup, pk=id)

    if not has_perm(request.user, 'studygroup.delete_studygroup'):
        raise Http403

    if request.method == "POST":
        EventLog.objects.log(instance=study_group)
        messages.add_message(request, messages.SUCCESS, 'Successfully deleted %s' % study_group)

        # send notification to administrators
        recipients = get_notice_recipients('module', 'studygroups', 'studygrouprecipients')
        if recipients:
            if notification:
                extra_context = {
                    'object': study_group,
                    'request': request,
                }
                notification.send_emails(recipients, 'studygroup_deleted', extra_context)

        study_group.delete()
        return HttpResponseRedirect(reverse('studygroups.search'))

    return render_to_response(template_name, {'study_group': study_group},
        context_instance=RequestContext(request))

def add(request, form_class=ArticleForm, template_name="articles/add.html"):
    if has_perm(request.user, 'articles.add_article'):
        if request.method == "POST":
            form = form_class(request.POST, user=request.user)
            if form.is_valid():
                article = form.save(commit=False)

                # add all permissions and save the model
                update_perms_and_save(request, form, article)

                messages.add_message(request, messages.SUCCESS, 'Successfully added %s' % article)

                # send notification to administrator(s) and module recipient(s)
                recipients = get_notice_recipients('module', 'articles', 'articlerecipients')
                if recipients and notification:
                    notification.send_emails(recipients, 'article_added', {
                        'object': article,
                        'request': request,
                    })

                return HttpResponseRedirect(reverse('article', args=[article.slug]))
        else:
            form = form_class(user=request.user)

        return render_to_response(template_name, {'form': form},
            context_instance=RequestContext(request))
    else:
        raise Http403

def delete(request, id, template_name="resumes/delete.html"):
    resume = get_object_or_404(Resume, pk=id)

    if has_perm(request.user, "resumes.delete_resume"):
        if request.method == "POST":
            log_defaults = {
                "event_id": 433000,
                "event_data": "%s (%d) deleted by %s" % (resume._meta.object_name, resume.pk, request.user),
                "description": "%s deleted" % resume._meta.object_name,
                "user": request.user,
                "request": request,
                "instance": resume,
            }

            EventLog.objects.log(**log_defaults)
            messages.add_message(request, messages.SUCCESS, "Successfully deleted %s" % resume)

            # send notification to administrators
            recipients = get_notice_recipients("module", "resumes", "resumerecipients")
            if recipients:
                if notification:
                    extra_context = {"object": resume, "request": request}
                    notification.send_emails(recipients, "resume_deleted", extra_context)

            resume.delete()

            return HttpResponseRedirect(reverse("resume.search"))

        return render_to_response(template_name, {"resume": resume}, context_instance=RequestContext(request))
    else:
        raise Http403

def delete(request, id, template_name="pages/delete.html"):
    page = get_object_or_404(Page, pk=id)

    if not has_perm(request.user, 'pages.delete_page'):
        raise Http403

    if request.method == "POST":
        EventLog.objects.log(instance=page)
        messages.add_message(request, messages.SUCCESS,
                             _('Successfully deleted %(p)s' % { 'p': unicode(page)}))

        # send notification to administrators
        recipients = get_notice_recipients('module', 'pages', 'pagerecipients')
        if recipients:
            if notification:
                extra_context = {
                    'object': page,
                    'request': request,
                }
                notification.send_emails(recipients, 'page_deleted', extra_context)

        # Soft delete
        page.status = False
        page.status_detail = 'inactive'
        page.save()
        return HttpResponseRedirect(reverse('page.search'))

    return render_to_response(template_name, {'page': page},
        context_instance=RequestContext(request))

    def save_model(self, request, object, form, change):
        instance = form.save(commit=False)
        instance = update_perms_and_save(request, form, instance)

        if instance.meta:
            meta = instance.meta
        else:
            meta = MetaTags()

        meta.title = form.cleaned_data['meta_title']
        meta.description = form.cleaned_data['meta_description']
        meta.keywords = form.cleaned_data['meta_keywords']
        meta.canonical_url = form.cleaned_data['meta_canonical_url']
        meta.save()
        instance.meta = meta
        instance.save()

        # notifications
        if not request.user.profile.is_superuser:
            # send notification to administrators
            recipients = get_notice_recipients('module', 'pages', 'pagerecipients')
            notice_type = 'page_added'
            if change: notice_type = 'page_edited' 
            if recipients:
                if notification:
                    extra_context = {
                        'object': instance,
                        'request': request,
                    }
                    notification.send_emails(recipients, notice_type, extra_context)

        return instance

def send_notifications(scope, scope_category, name, label, extra_context=None):
    """
        a small wrapper for sending notification emails to 
        recipients specified in site_settings.
    """
    recipients = get_notice_recipients(scope, scope_category, name)
    if recipients:
        send_emails(recipients, label, extra_context)

def group_add_edit(request, group_slug=None,
                   form_class=GroupForm,
                   template_name="user_groups/add_edit.html"):
    add, edit = False, False
    if group_slug:
        group = get_object_or_404(Group, slug=group_slug)

        if not has_perm(request.user,'user_groups.change_group',group):
            raise Http403
        title = "Edit Group"
        edit = True
    else:
        group = None
        if not has_perm(request.user,'user_groups.add_group'):raise Http403
        title = "Add Group"
        add = True

    if request.method == 'POST':
        if edit:
            form = form_class(request.POST, instance=group, user=request.user)
        else:
            form = form_class(request.POST, user=request.user)
        if form.is_valid():
            group = form.save(commit=False)
            if not group.id:
                group.creator = request.user
                group.creator_username = request.user.username

            # set up user permission
            group.allow_user_view, group.allow_user_edit = form.cleaned_data['user_perms']

            group.owner =  request.user
            group.owner_username = request.user.username
            group = form.save()

            if add:
                # send notification to administrators
                recipients = get_notice_recipients('module', 'groups', 'grouprecipients')
                if recipients:
                    if notification:
                        extra_context = {
                            'object': group,
                            'request': request,
                        }
                        notification.send_emails(recipients,'group_added', extra_context)

            EventLog.objects.log(instance=group)

            return HttpResponseRedirect(group.get_absolute_url())
    else:
        if edit:
            form = form_class(instance=group, user=request.user)
        else:
            form = form_class(user=request.user)

    return render_to_response(template_name, {'form':form, 'titie':title, 'group':group}, context_instance=RequestContext(request))

def add(request, form_class=ArticleForm,
        category_form_class=CategoryForm,
        template_name="articles/add.html"):
    content_type = get_object_or_404(ContentType,
                                     app_label='articles',
                                     model='article')
    if has_perm(request.user, 'articles.add_article'):
        if request.method == "POST":
            form = form_class(request.POST, user=request.user)
            categoryform = category_form_class(content_type,
                                           request.POST,
                                           prefix='category')
            if form.is_valid() and categoryform.is_valid():
                article = form.save()
                article.update_category_subcategory(
                                    categoryform.cleaned_data['category'],
                                    categoryform.cleaned_data['sub_category']
                                    )

                # add all permissions and save the model
                update_perms_and_save(request, form, article)

                messages.add_message(request, messages.SUCCESS, 'Successfully added %s' % article)

                # send notification to administrator(s) and module recipient(s)
                recipients = get_notice_recipients('module', 'articles', 'articlerecipients')
                if recipients and notification:
                    notification.send_emails(recipients, 'article_added', {
                        'object': article,
                        'request': request,
                    })

                return HttpResponseRedirect(reverse('article', args=[article.slug]))
        else:
            form = form_class(user=request.user)
            initial_category_form_data = {
                'app_label': 'articles',
                'model': 'article',
                'pk': 0,
            }
            categoryform = category_form_class(content_type,
                                               initial=initial_category_form_data,
                                               prefix='category')


        return render_to_response(template_name, {'form': form,
                                                  'categoryform': categoryform,},
            context_instance=RequestContext(request))
    else:
        raise Http403

    def save_model(self, request, object, form, change):
        instance = form.save(commit=False)

        # update all permissions and save the model
        instance = update_perms_and_save(request, form, instance)

        # notifications
        if not request.user.profile.is_superuser:
            # send notification to administrators
            recipients = get_notice_recipients("site", "global", "allnoticerecipients")
            if recipients:
                if notification:
                    extra_context = {"object": instance, "request": request}
                    notification.send_emails(recipients, notice_type, extra_context)

        return instance

    def delete(self, *args, **kwargs):
        # Related objects
        # Import related objects here to prevent circular references
        from tendenci.apps.pages.models import Page
        from tendenci.addons.events.models import Event
        from tendenci.apps.stories.models import Story
        pages = Page.objects.filter(header_image=self.pk)
        events = Event.objects.filter(image=self.pk)
        stories = Story.objects.filter(image=self.pk)
        # Set foreign key of related objects to None
        for page in pages:
            page.header_image = None
            page.save()
        for event in events:
            event.image = None
            event.save()
        for story in stories:
            story.image = None
            story.save()

        # roll back the transaction to fix the error for postgresql
        #"current transaction is aborted, commands ignored until 
        # end of transaction block"
        #connection._rollback()    # comment it out because this line of code leads to IntegrityError for files that inherit File's model. 

        # send notification to administrator(s) and module recipient(s)
        if self.file:
            recipients = get_notice_recipients('module', 'files', 'filerecipients')
            site_display_name = get_setting('site', 'global', 'sitedisplayname')
            if self.owner:
                owner = self.owner.get_full_name() or self.owner
            else:
                owner = "Unknown"

            if recipients and notification:
                notification.send_emails(recipients, 'file_deleted', {
                    'object': self,
                    'author': owner,
                    'SITE_GLOBAL_SITEDISPLAYNAME': site_display_name,
                })

            # delete actual file; do not save() self.instance
            self.file.delete(save=False)

        # delete database record
        super(File, self).delete(*args, **kwargs)

    def save_model(self, request, object, form, change):
        instance = form.save(commit=False)

        instance = update_perms_and_save(request, form, instance)

        # notifications
        if not request.user.profile.is_superuser:
            # send notification to administrators
            recipients = get_notice_recipients("module", "pages", "pagerecipients")
            notice_type = "page_added"
            if change:
                notice_type = "page_edited"
            if recipients:
                if notification:
                    extra_context = {"object": instance, "request": request}
                    notification.send_emails(recipients, notice_type, extra_context)

        return instance

def group_delete(request, id, template_name="user_groups/delete.html"):
    group = get_object_or_404(Group, pk=id)

    if not has_perm(request.user, "user_groups.delete_group", group):
        raise Http403

    if request.method == "POST":
        # send notification to administrators
        recipients = get_notice_recipients("module", "groups", "grouprecipients")
        if recipients:
            if notification:
                extra_context = {"object": group, "request": request}
                notification.send_emails(recipients, "group_deleted", extra_context)

        EventLog.objects.log(instance=group)

        group.delete()
        return HttpResponseRedirect(reverse("group.search"))

    return render_to_response(template_name, {"group": group}, context_instance=RequestContext(request))