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r732:ae622833 2.0-dev
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tag.py
100 lines | 2.5 KiB | text/x-python | PythonLexer
neko259
Added tag search. Refactored search to show any model results in a list.
r692 from django.template.loader import render_to_string
neko259
Changed tag popularity algorithm again a bit, now popularity is relative
r599 from boards.models import Thread, Post
neko259
Split up user models
r386 from django.db import models
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Use aggregation to get tags popularity
r607 from django.db.models import Count, Sum
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Added tag search. Refactored search to show any model results in a list.
r692 from django.core.urlresolvers import reverse
from boards.models.base import Viewable
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r385
__author__ = 'neko259'
class TagManager(models.Manager):
def get_not_empty_tags(self):
neko259
Small updates to the tag model docstrings.
r623 """
Gets tags that have non-archived threads.
"""
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Split up tag module from post module
r385 tags = self.annotate(Count('threads')) \
neko259
Include tags that have only archived threads to the general tags list
r700 .filter(threads__count__gt=0).order_by('name')
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r385
return tags
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r692 class Tag(models.Model, Viewable):
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r385 """
neko259
Split up post model into post and thread to normalise models. Still need some refactoring
r398 A tag is a text node assigned to the thread. The tag serves as a board
section. There can be multiple tags for each thread
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r385 """
objects = TagManager()
class Meta:
app_label = 'boards'
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Optimized thread view and threads list
r649 ordering = ('name',)
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r385
neko259
Small speedups. Added index on the name column for tag
r609 name = models.CharField(max_length=100, db_index=True)
neko259
Split up post model into post and thread to normalise models. Still need some refactoring
r398 threads = models.ManyToManyField(Thread, null=True,
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r385 blank=True, related_name='tag+')
linked = models.ForeignKey('Tag', null=True, blank=True)
def __unicode__(self):
return self.name
def is_empty(self):
neko259
Small updates to the tag model docstrings.
r623 """
Checks if the tag has some threads.
"""
neko259
Speed up tag list generation a bit
r606 return self.get_thread_count() == 0
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Split up tag module from post module
r385
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Speed up tag list generation a bit
r606 def get_thread_count(self):
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r385 return self.threads.count()
def get_linked_tags(self):
neko259
Small updates to the tag model docstrings.
r623 """
Gets tags linked to the current one.
"""
neko259
Split up tag module from post module
r385 tag_list = []
self.get_linked_tags_list(tag_list)
return tag_list
def get_linked_tags_list(self, tag_list=[]):
"""
Returns the list of tags linked to current. The list can be got
through returned value or tag_list parameter
"""
linked_tag = self.linked
if linked_tag and not (linked_tag in tag_list):
tag_list.append(linked_tag)
linked_tag.get_linked_tags_list(tag_list)
neko259
Speed up tag list generation a bit
r606 def get_post_count(self, archived=False):
neko259
Small updates to the tag model docstrings.
r623 """
Gets posts count for the tag's threads.
"""
neko259
Speed up tag list generation a bit
r606 posts_count = 0
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Use aggregation to get tags popularity
r607 threads = self.threads.filter(archived=archived)
if threads.exists():
neko259
Code cleanup. Update only edited fields while performing thread archiving or post editing. Remove image when post is removed
r715 posts_count = threads.annotate(posts_count=Count('replies')) \
.aggregate(posts_sum=Sum('posts_count'))['posts_sum']
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r607
if not posts_count:
posts_count = 0
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r606
return posts_count
neko259
Added tag search. Refactored search to show any model results in a list.
r692
def get_url(self):
return reverse('tag', kwargs={'tag_name': self.name})
def get_view(self, *args, **kwargs):
return render_to_string('boards/tag.html', {
'tag': self,
neko259
Include tags that have only archived threads to the general tags list
r700 })