bgneal@232: """
bgneal@232: This module contains views for dealing with spam and spammers.
bgneal@232: """
bgneal@232: import datetime
bgneal@232: import logging
bgneal@232: import textwrap
bgneal@232: 
bgneal@232: from django.contrib.auth.decorators import login_required
bgneal@232: from django.core.urlresolvers import reverse
bgneal@232: from django.http import HttpResponseRedirect
bgneal@232: from django.http import HttpResponseForbidden
bgneal@232: from django.shortcuts import get_object_or_404
bgneal@232: from django.shortcuts import render_to_response
bgneal@232: from django.template import RequestContext
bgneal@232: from django.contrib.auth.models import User
bgneal@232: 
bgneal@232: from comments.models import Comment
bgneal@232: from forums.models import Post
bgneal@232: from forums.tools import delete_user_posts
bgneal@232: import bio.models
bgneal@232: from core.functions import email_admins
bgneal@232: 
bgneal@232: 
bgneal@232: SPAMMER_NAILED_SUBJECT = "Spammer Nailed: %s"
bgneal@232: SPAMMER_NAILED_MSG_BODY = """
bgneal@232: The admin/moderator user %s has just deactivated the account of %s for spam.
bgneal@232: """
bgneal@232: 
bgneal@232: def deactivate_spammer(user):
bgneal@232:     """This function deactivate's the user, marks them as a spammer, then
bgneal@232:     deletes the user's comments and forum posts.
bgneal@232:     """
bgneal@232:     user.is_active = False
bgneal@232:     user.save()
bgneal@232: 
bgneal@232:     profile = user.get_profile()
bgneal@232:     profile.status = bio.models.STA_SPAMMER
bgneal@232:     profile.status_date = datetime.datetime.now()
bgneal@232:     profile.save()
bgneal@232: 
bgneal@232:     Comment.objects.filter(user=user).delete()
bgneal@232:     delete_user_posts(user)
bgneal@232: 
bgneal@232: 
bgneal@232: def promote_stranger(user):
bgneal@232:     """This function upgrades the user from stranger status to a regular user.
bgneal@232:     """
bgneal@232:     profile = user.get_profile()
bgneal@232:     if user.is_active and profile.status == bio.models.STA_STRANGER:
bgneal@232:         profile.status = bio.models.STA_ACTIVE
bgneal@232:         profile.status_date = datetime.datetime.now()
bgneal@232:         profile.save()
bgneal@232: 
bgneal@232: 
bgneal@232: @login_required
bgneal@232: def spammer(request, post_id):
bgneal@232:     """This view allows moderators to deactivate spammer accounts."""
bgneal@232: 
bgneal@232:     post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232:     poster = post.user
bgneal@232:     poster_profile = poster.get_profile()
bgneal@232: 
bgneal@232:     can_moderate = request.user.is_superuser or (
bgneal@232:             request.user in post.topic.forum.moderators.all())
bgneal@232: 
bgneal@232:     can_deactivate = (poster_profile.status == bio.models.STA_STRANGER and not
bgneal@232:             poster.is_superuser)
bgneal@232: 
bgneal@232:     if request.method == "POST" and can_moderate and can_deactivate:
bgneal@232:         deactivate_spammer(poster)
bgneal@232: 
bgneal@316:         email_admins(SPAMMER_NAILED_SUBJECT % poster.username,
bgneal@232:             SPAMMER_NAILED_MSG_BODY % (
bgneal@232:                 request.user.username, poster.username))
bgneal@232: 
bgneal@232:         logging.info(textwrap.dedent("""\
bgneal@232:             SPAMMER DEACTIVATED: %s nailed %s for spam.
bgneal@232:             IP: %s
bgneal@232:             Message:
bgneal@232:             %s
bgneal@316:             """),
bgneal@316:             request.user.username, poster.username, post.user_ip, post.body)
bgneal@232: 
bgneal@232:         return HttpResponseRedirect(reverse('forums-spammer_nailed', args=[
bgneal@232:             poster.id]))
bgneal@232: 
bgneal@232:     return render_to_response('forums/spammer.html', {
bgneal@232:         'can_moderate': can_moderate,
bgneal@232:         'can_deactivate': can_deactivate,
bgneal@232:         'post': post,
bgneal@232:         },
bgneal@232:         context_instance=RequestContext(request))
bgneal@232: 
bgneal@232: 
bgneal@232: @login_required
bgneal@232: def spammer_nailed(request, spammer_id):
bgneal@232:     """This view presents a confirmation screen that the spammer has been
bgneal@232:     deactivated.
bgneal@232:     """
bgneal@232:     user = get_object_or_404(User, pk=spammer_id)
bgneal@232:     profile = user.get_profile()
bgneal@232: 
bgneal@232:     success = not user.is_active and profile.status == bio.models.STA_SPAMMER
bgneal@232: 
bgneal@232:     return render_to_response('forums/spammer_nailed.html', {
bgneal@232:         'spammer': user,
bgneal@232:         'success': success,
bgneal@232:         },
bgneal@232:         context_instance=RequestContext(request))
bgneal@232: 
bgneal@232: 
bgneal@232: @login_required
bgneal@232: def stranger(request, post_id):
bgneal@232:     """This view allows a forum moderator or super user to promote a user from
bgneal@232:     stranger status to regular user.
bgneal@232:     """
bgneal@232:     post = get_object_or_404(Post.objects.select_related(), pk=post_id)
bgneal@232:     poster = post.user
bgneal@232:     poster_profile = poster.get_profile()
bgneal@232: 
bgneal@232:     can_moderate = request.user.is_superuser or (
bgneal@232:             request.user in post.topic.forum.moderators.all())
bgneal@232: 
bgneal@232:     can_promote = poster_profile.status == bio.models.STA_STRANGER
bgneal@232: 
bgneal@232:     if request.method == "POST" and can_moderate and can_promote:
bgneal@232:         promote_stranger(poster)
bgneal@232: 
bgneal@316:         logging.info("STRANGER PROMOTED: %s promoted %s.",
bgneal@316:             request.user.username, poster.username)
bgneal@232: 
bgneal@232:         return HttpResponseRedirect(post.get_absolute_url())
bgneal@232: 
bgneal@232:     return render_to_response('forums/stranger.html', {
bgneal@232:         'can_moderate': can_moderate,
bgneal@232:         'can_promote': can_promote,
bgneal@232:         'post': post,
bgneal@232:         },
bgneal@232:         context_instance=RequestContext(request))