##// END OF EJS Templates
Moving neboard to python3 support (no python2 for now until we figure out how...
Moving neboard to python3 support (no python2 for now until we figure out how to make them both work)

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post.py
343 lines | 9.7 KiB | text/x-python | PythonLexer
from datetime import datetime, timedelta, date
from datetime import time as dtime
import logging
import re
from django.core.cache import cache
from django.core.urlresolvers import reverse
from django.db import models, transaction
from django.template.loader import render_to_string
from django.utils import timezone
from markupfield.fields import MarkupField
from boards.models import PostImage
from boards.models.base import Viewable
from boards.models.thread import Thread
APP_LABEL_BOARDS = 'boards'
CACHE_KEY_PPD = 'ppd'
CACHE_KEY_POST_URL = 'post_url'
POSTS_PER_DAY_RANGE = 7
BAN_REASON_AUTO = 'Auto'
IMAGE_THUMB_SIZE = (200, 150)
TITLE_MAX_LENGTH = 200
DEFAULT_MARKUP_TYPE = 'bbcode'
# TODO This should be removed
NO_IP = '0.0.0.0'
# TODO Real user agent should be saved instead of this
UNKNOWN_UA = ''
REGEX_REPLY = re.compile(r'\[post\](\d+)\[/post\]')
logger = logging.getLogger(__name__)
class PostManager(models.Manager):
def create_post(self, title, text, image=None, thread=None, ip=NO_IP,
tags=None):
"""
Creates new post
"""
posting_time = timezone.now()
if not thread:
thread = Thread.objects.create(bump_time=posting_time,
last_edit_time=posting_time)
new_thread = True
else:
thread.bump()
thread.last_edit_time = posting_time
thread.save()
new_thread = False
post = self.create(title=title,
text=text,
pub_time=posting_time,
thread_new=thread,
poster_ip=ip,
poster_user_agent=UNKNOWN_UA, # TODO Get UA at
# last!
last_edit_time=posting_time)
if image:
post_image = PostImage.objects.create(image=image)
post.images.add(post_image)
logger.info('Created image #%d for post #%d' % (post_image.id,
post.id))
thread.replies.add(post)
if tags:
map(thread.add_tag, tags)
if new_thread:
Thread.objects.process_oldest_threads()
self.connect_replies(post)
logger.info('Created post #%d with title %s' % (post.id,
post.get_title()))
return post
def delete_post(self, post):
"""
Deletes post and update or delete its thread
"""
post_id = post.id
thread = post.get_thread()
if post.is_opening():
thread.delete()
else:
thread.last_edit_time = timezone.now()
thread.save()
post.delete()
logger.info('Deleted post #%d (%s)' % (post_id, post.get_title()))
def delete_posts_by_ip(self, ip):
"""
Deletes all posts of the author with same IP
"""
posts = self.filter(poster_ip=ip)
map(self.delete_post, posts)
def connect_replies(self, post):
"""
Connects 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.build_refmap()
referenced_post.save(update_fields=['refmap', 'last_edit_time'])
referenced_thread = referenced_post.get_thread()
referenced_thread.last_edit_time = post.pub_time
referenced_thread.save(update_fields=['last_edit_time'])
def get_posts_per_day(self):
"""
Gets average count of posts per day for the last 7 days
"""
day_end = date.today()
day_start = day_end - timedelta(POSTS_PER_DAY_RANGE)
cache_key = CACHE_KEY_PPD + str(day_end)
ppd = cache.get(cache_key)
if ppd:
return ppd
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_period = float(self.filter(
pub_time__lte=day_time_end,
pub_time__gte=day_time_start).count())
ppd = posts_per_period / POSTS_PER_DAY_RANGE
cache.set(cache_key, ppd)
return ppd
class Post(models.Model, Viewable):
"""A post is a message."""
objects = PostManager()
class Meta:
app_label = APP_LABEL_BOARDS
ordering = ('id',)
title = models.CharField(max_length=TITLE_MAX_LENGTH)
pub_time = models.DateTimeField()
text = MarkupField(default_markup_type=DEFAULT_MARKUP_TYPE,
escape_html=False)
images = models.ManyToManyField(PostImage, null=True, blank=True,
related_name='ip+', db_index=True)
poster_ip = models.GenericIPAddressField()
poster_user_agent = models.TextField()
thread_new = models.ForeignKey('Thread', null=True, default=None,
db_index=True)
last_edit_time = models.DateTimeField()
referenced_posts = models.ManyToManyField('Post', symmetrical=False,
null=True,
blank=True, related_name='rfp+',
db_index=True)
refmap = models.TextField(null=True, blank=True)
def __unicode__(self):
return '#' + str(self.id) + ' ' + self.title + ' (' + \
self.text.raw[:50] + ')'
def get_title(self):
"""
Gets original post title or part of its text.
"""
title = self.title
if not title:
title = self.text.rendered
return title
def build_refmap(self):
"""
Builds a replies map string from replies list. This is a cache to stop
the server from recalculating the map on every post show.
"""
map_string = ''
first = True
for refpost in self.referenced_posts.all():
if not first:
map_string += ', '
map_string += '<a href="%s">&gt;&gt;%s</a>' % (refpost.get_url(),
refpost.id)
first = False
self.refmap = map_string
def get_sorted_referenced_posts(self):
return self.refmap
def is_referenced(self):
return len(self.refmap) > 0
def is_opening(self):
"""
Checks if this is an opening post or just a reply.
"""
return self.get_thread().get_opening_post_id() == self.id
@transaction.atomic
def add_tag(self, tag):
edit_time = timezone.now()
thread = self.get_thread()
thread.add_tag(tag)
self.last_edit_time = edit_time
self.save(update_fields=['last_edit_time'])
thread.last_edit_time = edit_time
thread.save(update_fields=['last_edit_time'])
@transaction.atomic
def remove_tag(self, tag):
edit_time = timezone.now()
thread = self.get_thread()
thread.remove_tag(tag)
self.last_edit_time = edit_time
self.save(update_fields=['last_edit_time'])
thread.last_edit_time = edit_time
thread.save(update_fields=['last_edit_time'])
def get_url(self, thread=None):
"""
Gets full url to the post.
"""
cache_key = CACHE_KEY_POST_URL + str(self.id)
link = cache.get(cache_key)
if not link:
if not thread:
thread = self.get_thread()
opening_id = thread.get_opening_post_id()
if self.id != opening_id:
link = reverse('thread', kwargs={
'post_id': opening_id}) + '#' + str(self.id)
else:
link = reverse('thread', kwargs={'post_id': self.id})
cache.set(cache_key, link)
return link
def get_thread(self):
"""
Gets post's thread.
"""
return self.thread_new
def get_referenced_posts(self):
return self.referenced_posts.only('id', 'thread_new')
def get_text(self):
return self.text
def get_view(self, moderator=False, need_open_link=False,
truncated=False, *args, **kwargs):
if 'is_opening' in kwargs:
is_opening = kwargs['is_opening']
else:
is_opening = self.is_opening()
if 'thread' in kwargs:
thread = kwargs['thread']
else:
thread = self.get_thread()
if 'can_bump' in kwargs:
can_bump = kwargs['can_bump']
else:
can_bump = thread.can_bump()
if is_opening:
opening_post_id = self.id
else:
opening_post_id = thread.get_opening_post_id()
return render_to_string('boards/post.html', {
'post': self,
'moderator': moderator,
'is_opening': is_opening,
'thread': thread,
'bumpable': can_bump,
'need_open_link': need_open_link,
'truncated': truncated,
'opening_post_id': opening_post_id,
})
def get_first_image(self):
return self.images.earliest('id')
def delete(self, using=None):
"""
Deletes all post images and the post itself.
"""
self.images.all().delete()
super(Post, self).delete(using)