Minor fixes

boards/models/post.py

@@ -1,394 +1,395 b''
 from datetime import datetime, timedelta
 from datetime import time as dtime
 import os
 from random import random
 import time
 import math
 import re
 import hashlib
 
 from django.core.cache import cache
 from django.core.paginator import Paginator
 
 from django.db import models
 from django.http import Http404
 from django.utils import timezone
 from markupfield.fields import MarkupField
 
 from neboard import settings
 from boards import thumbs
 
 MAX_TITLE_LENGTH = 50
 
 APP_LABEL_BOARDS = 'boards'
 
 CACHE_KEY_PPD = 'ppd'
 
 POSTS_PER_DAY_RANGE = range(7)
 
 BAN_REASON_AUTO = 'Auto'
 
 IMAGE_THUMB_SIZE = (200, 150)
 
 TITLE_MAX_LENGTH = 50
 
 DEFAULT_MARKUP_TYPE = 'markdown'
 
 NO_PARENT = -1
 NO_IP = '0.0.0.0'
 UNKNOWN_UA = ''
 ALL_PAGES = -1
 IMAGES_DIRECTORY = 'images/'
 FILE_EXTENSION_DELIMITER = '.'
 
 SETTING_MODERATE = "moderate"
 
 REGEX_REPLY = re.compile('>>(\d+)')
 
 
 class PostManager(models.Manager):
 
     def create_post(self, title, text, image=None, thread=None,
                     ip=NO_IP, tags=None, user=None):
         """
         Create new post
         """
 
         posting_time = timezone.now()
         if not thread:
             thread = Thread.objects.create(bump_time=posting_time,
                                            last_edit_time=posting_time)
         else:
             thread.bump()
             thread.last_edit_time = posting_time
             thread.save()
 
         post = self.create(title=title,
                            text=text,
                            pub_time=posting_time,
                            thread_new=thread,
                            image=image,
                            poster_ip=ip,
                            poster_user_agent=UNKNOWN_UA,  # TODO Get UA at
                            # last!
                            last_edit_time=posting_time,
                            user=user)
 
         thread.replies.add(post)
         if tags:
             linked_tags = []
             for tag in tags:
                 tag_linked_tags = tag.get_linked_tags()
                 if len(tag_linked_tags) > 0:
                     linked_tags.extend(tag_linked_tags)
 
             tags.extend(linked_tags)
             map(thread.add_tag, tags)
 
         self._delete_old_threads()
         self.connect_replies(post)
 
         return post
 
     def delete_post(self, post):
         """
         Delete post and update or delete its thread
         """
         
         thread = post.thread_new
 
         if thread.get_opening_post() == self:
             thread.replies.delete()
 
             thread.delete()
         else:
             thread.last_edit_time = timezone.now()
             thread.save()
 
             post.delete()
 
     def delete_posts_by_ip(self, ip):
         """
         Delete all posts of the author with same IP
         """
 
         posts = self.filter(poster_ip=ip)
         map(self.delete_post, posts)
 
-    # TODO Move this method to thread manager
+    # TODO This method may not be needed any more, because django's paginator
+    # is used
     def get_threads(self, tag=None, page=ALL_PAGES,
                     order_by='-bump_time', archived=False):
         if tag:
             threads = tag.threads
 
             if not threads.exists():
                 raise Http404
         else:
             threads = Thread.objects.all()
 
         threads = threads.filter(archived=archived).order_by(order_by)
 
         if page != ALL_PAGES:
             threads = Paginator(threads, settings.THREADS_PER_PAGE).page(
                     page).object_list
 
         return threads
 
     # TODO Move this method to thread manager
     def _delete_old_threads(self):
         """
         Preserves maximum thread count. If there are too many threads,
         archive the old ones.
         """
 
         threads = self.get_threads()
         thread_count = threads.count()
 
         if thread_count > settings.MAX_THREAD_COUNT:
             num_threads_to_delete = thread_count - settings.MAX_THREAD_COUNT
             old_threads = threads[thread_count - num_threads_to_delete:]
 
             for thread in old_threads:
                 thread.archived = True
                 thread.last_edit_time = timezone.now()
                 thread.save()
 
     def connect_replies(self, post):
         """
         Connect replies to a post to show them as a reflink map
         """
 
         for reply_number in re.finditer(REGEX_REPLY, post.text.raw):
             post_id = reply_number.group(1)
             ref_post = self.filter(id=post_id)
             if ref_post.count() > 0:
                 referenced_post = ref_post[0]
                 referenced_post.referenced_posts.add(post)
                 referenced_post.last_edit_time = post.pub_time
                 referenced_post.save()
 
                 referenced_thread = referenced_post.thread_new
                 referenced_thread.last_edit_time = post.pub_time
                 referenced_thread.save()
 
     def get_posts_per_day(self):
         """
         Get average count of posts per day for the last 7 days
         """
 
         today = datetime.now().date()
         ppd = cache.get(CACHE_KEY_PPD + str(today))
         if ppd:
             return ppd
 
         posts_per_days = []
         for i in POSTS_PER_DAY_RANGE:
             day_end = today - timedelta(i + 1)
             day_start = today - timedelta(i + 2)
 
             day_time_start = timezone.make_aware(datetime.combine(day_start,
                 dtime()), timezone.get_current_timezone())
             day_time_end = timezone.make_aware(datetime.combine(day_end,
                 dtime()), timezone.get_current_timezone())
 
             posts_per_days.append(float(self.filter(
                 pub_time__lte=day_time_end,
                 pub_time__gte=day_time_start).count()))
 
         ppd = (sum(posts_per_day for posts_per_day in posts_per_days) /
                len(posts_per_days))
         cache.set(CACHE_KEY_PPD, ppd)
         return ppd
 
 
 class Post(models.Model):
     """A post is a message."""
 
     objects = PostManager()
 
     class Meta:
         app_label = APP_LABEL_BOARDS
 
     # TODO Save original file name to some field
     def _update_image_filename(self, filename):
         """Get unique image filename"""
 
         path = IMAGES_DIRECTORY
         new_name = str(int(time.mktime(time.gmtime())))
         new_name += str(int(random() * 1000))
         new_name += FILE_EXTENSION_DELIMITER
         new_name += filename.split(FILE_EXTENSION_DELIMITER)[-1:][0]
 
         return os.path.join(path, new_name)
 
     title = models.CharField(max_length=TITLE_MAX_LENGTH)
     pub_time = models.DateTimeField()
     text = MarkupField(default_markup_type=DEFAULT_MARKUP_TYPE,
                        escape_html=False)
 
     image_width = models.IntegerField(default=0)
     image_height = models.IntegerField(default=0)
 
     image_pre_width = models.IntegerField(default=0)
     image_pre_height = models.IntegerField(default=0)
 
     image = thumbs.ImageWithThumbsField(upload_to=_update_image_filename,
                                         blank=True, sizes=(IMAGE_THUMB_SIZE,),
                                         width_field='image_width',
                                         height_field='image_height',
                                         preview_width_field='image_pre_width',
                                         preview_height_field='image_pre_height')
     image_hash = models.CharField(max_length=36)
 
     poster_ip = models.GenericIPAddressField()
     poster_user_agent = models.TextField()
 
     thread = models.ForeignKey('Post', null=True, default=None)
     thread_new = models.ForeignKey('Thread', null=True, default=None)
     last_edit_time = models.DateTimeField()
     user = models.ForeignKey('User', null=True, default=None)
 
     referenced_posts = models.ManyToManyField('Post', symmetrical=False,
                                               null=True,
                                               blank=True, related_name='rfp+')
 
     def __unicode__(self):
         return '#' + str(self.id) + ' ' + self.title + ' (' + \
                self.text.raw[:50] + ')'
 
     def get_title(self):
         title = self.title
         if len(title) == 0:
             title = self.text.rendered
 
         return title
 
     def get_sorted_referenced_posts(self):
         return self.referenced_posts.order_by('id')
 
     def is_referenced(self):
         return self.referenced_posts.all().exists()
 
     def is_opening(self):
         return self.thread_new.get_replies()[0] == self
 
     def save(self, *args, **kwargs):
         """
         Save the model and compute the image hash
         """
 
         if not self.pk and self.image:
             md5 = hashlib.md5()
             for chunk in self.image.chunks():
                 md5.update(chunk)
             self.image_hash = md5.hexdigest()
         super(Post, self).save(*args, **kwargs)
 
 
 class Thread(models.Model):
 
     class Meta:
         app_label = APP_LABEL_BOARDS
 
     tags = models.ManyToManyField('Tag')
     bump_time = models.DateTimeField()
     last_edit_time = models.DateTimeField()
     replies = models.ManyToManyField('Post', symmetrical=False, null=True,
                                      blank=True, related_name='tre+')
     archived = models.BooleanField(default=False)
 
     def get_tags(self):
         """
         Get a sorted tag list
         """
 
         return self.tags.order_by('name')
 
     def bump(self):
         """
         Bump (move to up) thread
         """
 
         if self.can_bump():
             self.bump_time = timezone.now()
 
     def get_reply_count(self):
         return self.replies.count()
 
     def get_images_count(self):
         return self.replies.filter(image_width__gt=0).count()
 
     def can_bump(self):
         """
         Check if the thread can be bumped by replying
         """
 
         if self.archived:
             return False
 
         post_count = self.get_reply_count()
 
         return post_count < settings.MAX_POSTS_PER_THREAD
 
     def delete_with_posts(self):
         """
         Completely delete thread and all its posts
         """
 
         if self.replies.count() > 0:
             self.replies.all().delete()
 
         self.delete()
 
     def get_last_replies(self):
         """
         Get last replies, not including opening post
         """
 
         if settings.LAST_REPLIES_COUNT > 0:
             reply_count = self.get_reply_count()
 
             if reply_count > 0:
                 reply_count_to_show = min(settings.LAST_REPLIES_COUNT,
                                           reply_count - 1)
                 last_replies = self.replies.all().order_by('pub_time')[
                                reply_count - reply_count_to_show:]
 
                 return last_replies
 
     def get_skipped_replies_count(self):
         last_replies = self.get_last_replies()
         return self.get_reply_count() - len(last_replies) - 1
 
     def get_replies(self):
         """
         Get sorted thread posts
         """
 
         return self.replies.all().order_by('pub_time')
 
     def add_tag(self, tag):
         """
         Connect thread to a tag and tag to a thread
         """
 
         self.tags.add(tag)
         tag.threads.add(self)
 
     def get_opening_post(self):
         """
         Get first post of the thread
         """
 
         return self.get_replies()[0]
 
     def __unicode__(self):
         return str(self.get_replies()[0].id)
 
     def get_pub_time(self):
         """
         Thread does not have its own pub time, so we need to get it from
         the opening post
         """
 
         return self.get_opening_post().pub_time

boards/views/__init__.py

@@ -1,241 +1,243 b''
 __author__ = 'neko259'
 
 import hashlib
 
 from django.core import serializers
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 from django.http.response import HttpResponse
 from django.template import RequestContext
 from django.shortcuts import render, redirect, get_object_or_404
 from django.utils import timezone
 from django.db import transaction
 from django.views.decorators.cache import cache_page
 from django.views.i18n import javascript_catalog
 
 import boards
 from boards.forms import PlainErrorList
 from boards.models import Post, Tag, Ban, User
 from boards.models.post import SETTING_MODERATE
 from boards.models.user import RANK_USER
 from boards import authors
 import neboard
 
 
 BAN_REASON_SPAM = 'Autoban: spam bot'
 
 DEFAULT_PAGE = 1
 
 
 def all_tags(request):
     """All tags list"""
 
     context = _init_default_context(request)
     context['all_tags'] = Tag.objects.get_not_empty_tags()
 
     return render(request, 'boards/tags.html', context)
 
 
+# TODO Maybe this jumper is not needed any more? Only as a hack to find some
+# post without knowing its thread
 def jump_to_post(request, post_id):
     """Determine thread in which the requested post is and open it's page"""
 
     post = get_object_or_404(Post, id=post_id)
 
     if not post.thread:
         return redirect('thread', post_id=post.id)
     else:
         return redirect(reverse('thread', kwargs={'post_id': post.thread.id})
                         + '#' + str(post.id))
 
 
 def authors(request):
     """Show authors list"""
 
     context = _init_default_context(request)
     context['authors'] = boards.authors.authors
 
     return render(request, 'boards/authors.html', context)
 
 
 @transaction.atomic
 def delete(request, post_id):
     """Delete post"""
 
     user = _get_user(request)
     post = get_object_or_404(Post, id=post_id)
 
     if user.is_moderator():
         # TODO Show confirmation page before deletion
         Post.objects.delete_post(post)
 
     if not post.thread:
         return _redirect_to_next(request)
     else:
         return redirect('thread', post_id=post.thread.id)
 
 
 @transaction.atomic
 def ban(request, post_id):
     """Ban user"""
 
     user = _get_user(request)
     post = get_object_or_404(Post, id=post_id)
 
     if user.is_moderator():
         # TODO Show confirmation page before ban
         ban, created = Ban.objects.get_or_create(ip=post.poster_ip)
         if created:
             ban.reason = 'Banned for post ' + str(post_id)
             ban.save()
 
     return _redirect_to_next(request)
 
 
 def page_404(request):
     """Show page 404 (not found error)"""
 
     context = _init_default_context(request)
     return render(request, 'boards/404.html', context)
 
 
 @transaction.atomic
 def tag_subscribe(request, tag_name):
     """Add tag to favorites"""
 
     user = _get_user(request)
     tag = get_object_or_404(Tag, name=tag_name)
 
     if not tag in user.fav_tags.all():
         user.add_tag(tag)
 
     return _redirect_to_next(request)
 
 
 @transaction.atomic
 def tag_unsubscribe(request, tag_name):
     """Remove tag from favorites"""
 
     user = _get_user(request)
     tag = get_object_or_404(Tag, name=tag_name)
 
     if tag in user.fav_tags.all():
         user.remove_tag(tag)
 
     return _redirect_to_next(request)
 
 
 def static_page(request, name):
     """Show a static page that needs only tags list and a CSS"""
 
     context = _init_default_context(request)
     return render(request, 'boards/staticpages/' + name + '.html', context)
 
 
 # TODO This has to be moved under the api module
 def api_get_post(request, post_id):
     """
     Get the JSON of a post. This can be
     used as and API for external clients.
     """
 
     post = get_object_or_404(Post, id=post_id)
 
     json = serializers.serialize("json", [post], fields=(
         "pub_time", "_text_rendered", "title", "text", "image",
         "image_width", "image_height", "replies", "tags"
     ))
 
     return HttpResponse(content=json)
 
 
 @cache_page(86400)
 def cached_js_catalog(request, domain='djangojs', packages=None):
     return javascript_catalog(request, domain, packages)
 
 
 # TODO This method is deprecated and should be removed after switching to
 # class-based view
 def _get_theme(request, user=None):
     """Get user's CSS theme"""
 
     if not user:
         user = _get_user(request)
     theme = user.get_setting('theme')
     if not theme:
         theme = neboard.settings.DEFAULT_THEME
 
     return theme
 
 
 # TODO This method is deprecated and should be removed after switching to
 # class-based view
 def _init_default_context(request):
     """Create context with default values that are used in most views"""
 
     context = RequestContext(request)
 
     user = _get_user(request)
     context['user'] = user
     context['tags'] = user.get_sorted_fav_tags()
     context['posts_per_day'] = float(Post.objects.get_posts_per_day())
 
     theme = _get_theme(request, user)
     context['theme'] = theme
     context['theme_css'] = 'css/' + theme + '/base_page.css'
 
     # This shows the moderator panel
     moderate = user.get_setting(SETTING_MODERATE)
     if moderate == 'True':
         context['moderator'] = user.is_moderator()
     else:
         context['moderator'] = False
 
     return context
 
 
 # TODO This method is deprecated and should be removed after switching to
 # class-based view
 def _get_user(request):
     """
     Get current user from the session. If the user does not exist, create
     a new one.
     """
 
     session = request.session
     if not 'user_id' in session:
         request.session.save()
 
         md5 = hashlib.md5()
         md5.update(session.session_key)
         new_id = md5.hexdigest()
 
         while User.objects.filter(user_id=new_id).exists():
             md5.update(str(timezone.now()))
             new_id = md5.hexdigest()
 
         time_now = timezone.now()
         user = User.objects.create(user_id=new_id, rank=RANK_USER,
                                    registration_time=time_now)
 
         # TODO This is just a test. This method should be removed
         # _delete_old_users()
 
         session['user_id'] = user.id
     else:
         user = User.objects.get(id=session['user_id'])
 
     return user
 
 
 def _redirect_to_next(request):
     """
     If a 'next' parameter was specified, redirect to the next page. This is
     used when the user is required to return to some page after the current
     view has finished its work.
     """
 
     if 'next' in request.GET:
         next_page = request.GET['next']
         return HttpResponseRedirect(next_page)
     else:
         return redirect('index')

boards/views/all_threads.py

@@ -1,125 +1,125 b''
 import string
 
 from django.core.paginator import Paginator
 from django.core.urlresolvers import reverse
 from django.db import transaction
 from django.shortcuts import render, redirect
 
 from boards import utils
 from boards.forms import ThreadForm, PlainErrorList
 from boards.models import Post, Thread, Ban, Tag
 from boards.views.banned import BannedView
 from boards.views.base import BaseBoardView, PARAMETER_FORM
 from boards.views.posting_mixin import PostMixin
 import neboard
 
 PARAMETER_CURRENT_PAGE = 'current_page'
 
 PARAMETER_PAGINATOR = 'paginator'
 
 PARAMETER_THREADS = 'threads'
 
 TEMPLATE = 'boards/posting_general.html'
 DEFAULT_PAGE = 1
 
 
 class AllThreadsView(PostMixin, BaseBoardView):
 
     def get(self, request, page=DEFAULT_PAGE, form=None):
         context = self.get_context_data(request=request)
 
         if not form:
             form = ThreadForm(error_class=PlainErrorList)
 
         paginator = Paginator(self.get_threads(),
                               neboard.settings.THREADS_PER_PAGE)
 
         threads = paginator.page(page).object_list
 
         context[PARAMETER_THREADS] = threads
         context[PARAMETER_FORM] = form
 
         self._get_page_context(paginator, context, page)
 
         return render(request, TEMPLATE, context)
 
     def post(self, request, page=DEFAULT_PAGE):
         context = self.get_context_data(request=request)
 
         form = ThreadForm(request.POST, request.FILES,
                           error_class=PlainErrorList)
         form.session = request.session
 
         if form.is_valid():
             return self._new_post(request, form)
         if form.need_to_ban:
             # Ban user because he is suspected to be a bot
             self._ban_current_user(request)
 
         return self.get(request, page, form)
 
     @staticmethod
     def _get_page_context(paginator, context, page):
         """
         Get pagination context variables
         """
 
         context[PARAMETER_PAGINATOR] = paginator
         context[PARAMETER_CURRENT_PAGE] = paginator.page(int(page))
 
     # TODO This method should be refactored
     @transaction.atomic
     def _new_post(self, request, form, opening_post=None, html_response=True):
         """
         Add a new thread opening post.
         """
 
         ip = utils.get_client_ip(request)
         is_banned = Ban.objects.filter(ip=ip).exists()
 
         if is_banned:
             if html_response:
                 return redirect(BannedView().as_view())
             else:
                 return
 
         data = form.cleaned_data
 
         title = data['title']
         text = data['text']
 
         text = self._remove_invalid_links(text)
 
         if 'image' in data.keys():
             image = data['image']
         else:
             image = None
 
         tags = []
 
         tag_strings = data['tags']
 
         if tag_strings:
             tag_strings = tag_strings.split(' ')
             for tag_name in tag_strings:
                 tag_name = string.lower(tag_name.strip())
                 if len(tag_name) > 0:
                     tag, created = Tag.objects.get_or_create(name=tag_name)
                     tags.append(tag)
 
         post = Post.objects.create_post(title=title, text=text, ip=ip,
                                         image=image, tags=tags,
                                         user=self._get_user(request))
 
         thread_to_show = (opening_post.id if opening_post else post.id)
 
         if html_response:
             if opening_post:
                 return redirect(
                     reverse('thread', kwargs={'post_id': thread_to_show}) +
                     '#' + str(post.id))
             else:
                 return redirect('thread', post_id=thread_to_show)
 
     def get_threads(self):
-        return Thread.objects.filter(archived=False)
+        return Thread.objects.filter(archived=False).order_by('-bump_time')

boards/views/tag_threads.py

@@ -1,28 +1,28 b''
 from django.shortcuts import get_object_or_404
 from boards.models import Tag, Post
 from boards.views.all_threads import AllThreadsView, DEFAULT_PAGE
 
 __author__ = 'neko259'
 
 
 class TagView(AllThreadsView):
 
     tag_name = None
 
     def get_threads(self):
         tag = get_object_or_404(Tag, name=self.tag_name)
 
-        return tag.threads.filter(archived=False)
+        return tag.threads.filter(archived=False).order_by('-bump_time')
 
     def get_context_data(self, **kwargs):
         context = super(TagView, self).get_context_data(**kwargs)
 
         tag = get_object_or_404(Tag, name=self.tag_name)
         context['tag'] = tag
 
         return context
 
     def get(self, request, tag_name, page=DEFAULT_PAGE):
         self.tag_name = tag_name
 
-        return super(TagView, self).get(request, page)
  No newline at end of file
+        return super(TagView, self).get(request, page)