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Get PPD for the last week
Get PPD for the last week

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post.py
315 lines | 9.5 KiB | text/x-python | PythonLexer
from datetime import datetime, timedelta
from datetime import time as dtime
import os
from random import random
import time
import math
import re
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
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):
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,
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):
thread = post.thread_new
thread.last_edit_time = timezone.now()
thread.save()
post.delete()
def delete_posts_by_ip(self, ip):
posts = self.filter(poster_ip=ip)
map(self.delete_post, posts)
# TODO Move this method to thread manager
def get_threads(self, tag=None, page=ALL_PAGES,
order_by='-bump_time'):
if tag:
threads = tag.threads
if not threads.exists():
raise Http404
else:
threads = Thread.objects.all()
threads = threads.order_by(order_by)
if page != ALL_PAGES:
thread_count = threads.count()
if page < self._get_page_count(thread_count):
start_thread = page * settings.THREADS_PER_PAGE
end_thread = min(start_thread + settings.THREADS_PER_PAGE,
thread_count)
threads = threads[start_thread:end_thread]
return threads
# TODO Move this method to thread manager
def get_thread_page_count(self, tag=None):
if tag:
threads = Thread.objects.filter(tags=tag)
else:
threads = Thread.objects.all()
return self._get_page_count(threads.count())
# TODO Move this method to thread manager
def _delete_old_threads(self):
"""
Preserves maximum thread count. If there are too many threads,
delete the old ones.
"""
# TODO Move old threads to the archive instead of deleting them.
# Maybe make some 'old' field in the model to indicate the thread
# must not be shown and be able for replying.
threads = Thread.objects.all()
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:]
map(Thread.delete_with_posts, old_threads)
def connect_replies(self, post):
"""Connect replies to a post to show them as a refmap"""
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()
def _get_page_count(self, thread_count):
return int(math.ceil(thread_count / float(settings.THREADS_PER_PAGE)))
def get_posts_per_day(self):
"""Get count of posts for the current day"""
today = datetime.now().date()
posts_per_days = []
for i in POSTS_PER_DAY_RANGE:
day_end = today + timedelta(i)
day_start = today + timedelta(i - 1)
day_time_start = datetime.combine(day_start, dtime())
day_time_end = datetime.combine(day_end, dtime())
posts_per_days.append(float(self.filter(pub_time__lte=day_time_end,
pub_time__gte=day_time_start).count()))
return sum(posts_per_day for posts_per_day in posts_per_days) / \
len(posts_per_days)
class Post(models.Model):
"""A post is a message."""
objects = PostManager()
class Meta:
app_label = 'boards'
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 = thumbs.ImageWithThumbsField(upload_to=_update_image_filename,
blank=True, sizes=(IMAGE_THUMB_SIZE,),
width_field='image_width',
height_field='image_height')
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.raw[:20]
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
class Thread(models.Model):
class Meta:
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+')
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"""
post_count = self.get_reply_count()
return post_count <= settings.MAX_POSTS_PER_THREAD
def delete_with_posts(self):
"""Completely delete thread"""
if self.replies.count() > 0:
map(Post.objects.delete_post, self.replies.all())
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_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):
return self.get_replies()[0]
def __unicode__(self):
return str(self.get_replies()[0].id)
def get_pub_time(self):
return self.get_opening_post().pub_time