Files
django-wordpress/wordpress/models.py
T
2010-11-03 23:04:38 -04:00

363 lines
12 KiB
Python

from django.conf import settings
from django.core.urlresolvers import reverse
from django.db import connections, models
from django.db.models import signals
from django.http import HttpResponseRedirect
import re
STATUS_CHOICES = (
('closed', 'closed'),
('open', 'open'),
)
POST_STATUS_CHOICES = (
('draft', 'draft'),
('inherit', 'inherit'),
('private', 'private'),
('publish', 'publish'),
)
POST_TYPE_CHOICES = (
('attachment','attachment'),
('page','page'),
('post','post'),
('revision','revision'),
)
USER_STATUS_CHOICES = (
(0, "active"),
)
READ_ONLY = getattr(settings, "WP_READ_ONLY", True)
TABLE_PREFIX = getattr(settings, "WP_TABLE_PREFIX", "wp")
#
# Exceptions
#
class WordPressException(Exception):
"""
Exception that is thrown when attempting to save a read-only object.
"""
pass
#
# Base models
#
class WordPressModel(models.Model):
"""
Base model for all WordPress objects.
Overrides save and delete methods to enforce read-only setting.
"""
class Meta:
abstract = True
def _get_object(self, model, obj_id):
try:
return model.objects.get(pk=obj_id)
except model.DoesNotExist:
pass
def save(self, override=False):
if READ_ONLY and not override:
raise WordPressException, "object is read-only"
super(WordPressModel, self).save()
def delete(self, override=False):
if READ_ONLY and not override:
raise WordPressException, "object is read-only"
super(WordPressModel, self).delete()
#
# WordPress models
#
class User(WordPressModel):
"""
User object. Referenced by Posts, Comments, and Links
"""
login = models.CharField(max_length=60, db_column='user_login')
password = models.CharField(max_length=64, db_column='user_pass')
username = models.CharField(max_length=255, db_column='user_nicename')
email = models.CharField(max_length=100, db_column='user_email')
url = models.URLField(max_length=100, db_column='user_url', verify_exists=False)
date_registered = models.DateTimeField(auto_now_add=True, db_column='user_registered')
activation_key = models.CharField(max_length=60, db_column='user_activation_key')
status = models.IntegerField(default=0, choices=USER_STATUS_CHOICES, db_column='user_status')
display_name = models.CharField(max_length=255, db_column='display_name')
class Meta:
db_table = '%s_users' % TABLE_PREFIX
ordering = ["display_name"]
def __unicode__(self):
return self.display_name
class UserMeta(WordPressModel):
"""
Meta information about a user.
"""
id = models.IntegerField(db_column='umeta_id', primary_key=True)
user = models.ForeignKey(User, related_name="meta", db_column='user_id')
key = models.CharField(max_length=255, db_column='meta_key')
value = models.TextField(db_column='meta_value')
class Meta:
db_table = '%s_usermeta' % TABLE_PREFIX
def __unicode__(self):
return u"%s: %s" % (self.key, self.value)
class Link(WordPressModel):
"""
An external link.
"""
id = models.IntegerField(db_column='link_id', primary_key=True)
url = models.URLField(max_length=255, verify_exists=False, db_column='link_url')
name = models.CharField(max_length=255, db_column='link_name')
image = models.CharField(max_length=255, db_column='link_image')
target = models.CharField(max_length=25, db_column='link_target')
category_id = models.IntegerField(default=0, db_column='link_category')
description = models.CharField(max_length=255, db_column='link_description')
visible = models.CharField(max_length=20, db_column='link_visible')
owner = models.ForeignKey(User, related_name='links', db_column='link_owner')
rating = models.IntegerField(default=0, db_column='link_rating')
updated = models.DateTimeField(blank=True, null=True, db_column='link_updated')
rel = models.CharField(max_length=255, db_column='link_rel')
notes = models.TextField(db_column='link_notes')
rss = models.CharField(max_length=255, db_column='link_rss')
class Meta:
db_table = '%s_links' % TABLE_PREFIX
def __unicode__(self):
return u"%s %s" % (self.name, self.url)
def is_visible(self):
return self.visible == 'Y'
class PostManager(models.Manager):
"""
Provides convenience methods for filtering posts by status.
"""
def _by_status(self, status, post_type='post'):
return Post.objects.filter(status=status, post_type=post_type)
def drafts(self, post_type='post'):
return self._by_status('draft', post_type)
def private(self, post_type='post'):
return self._by_status('private', post_type)
def published(self, post_type='post'):
return self._by_status('publish', post_type)
def term(self, term, taxonomy='post_tag'):
term = term.replace('-', ' ')
tx = Taxonomy.objects.get(name=taxonomy, term__name=term)
table = '%s_term_relationships' % TABLE_PREFIX
sql = """SELECT object_id FROM """ + table + """ WHERE term_taxonomy_id = %s"""
cursor = connections['wordpress'].cursor()
cursor.execute(sql, [tx.pk,])
pids = [row[0] for row in cursor.fetchall()]
return Post.objects.published().filter(pk__in=pids)
class Post(WordPressModel):
"""
The mother lode.
The WordPress post.
"""
objects = PostManager()
# post data
guid = models.CharField(max_length=255)
post_type = models.CharField(max_length=20, choices=POST_TYPE_CHOICES)
status = models.CharField(max_length=20, db_column='post_status', choices=POST_STATUS_CHOICES)
title = models.TextField(db_column='post_title')
slug = models.SlugField(max_length=200, db_column="post_name")
author = models.ForeignKey(User, related_name='posts', db_column='post_author')
excerpt = models.TextField(db_column='post_excerpt')
content = models.TextField(db_column='post_content')
content_filtered = models.TextField(db_column='post_content_filtered')
post_date = models.DateTimeField(db_column='post_date_gmt')
modified = models.DateTimeField(db_column='post_modified_gmt')
# comment stuff
comment_status = models.CharField(max_length=20, choices=STATUS_CHOICES)
comment_count = models.IntegerField(default=0)
# ping stuff
ping_status = models.CharField(max_length=20, choices=STATUS_CHOICES)
to_ping = models.TextField()
pinged = models.TextField()
# statuses
password = models.CharField(max_length=20, db_column="post_password")
category_id = models.IntegerField(db_column='post_category')
# other various lame fields
parent = models.ForeignKey('self', related_name="children", db_column="post_parent", blank=True, null=True)
menu_order = models.IntegerField(default=0)
mime_type = models.CharField(max_length=100, db_column='post_mime_type')
category_cache = None
tag_cache = None
class Meta:
db_table = '%s_posts' % TABLE_PREFIX
ordering = ["-post_date"]
def __unicode__(self):
return self.title
def categories(self):
if not self.category_cache:
taxonomy = "category"
self.category_cache = self._get_terms(taxonomy)
return self.category_cache
def get_absolute_url(self):
year = self.post_date.year
month = self.post_date.month
day = self.post_date.day
slug = self.slug
return reverse('wp_object_detail', args=(year, month, day, slug))
"""
@models.permalink
def get_absolute_url(self):
params = {
"year": self.post_date.year,
"month": self.post_date.month,
"day": self.post_date.day,
"slug": self.slug,
}
return ('wp_object_detail', (), params)
"""
"""
def parent(self):
return self._get_object(Post, self.parent_id)
"""
def tags(self):
print self.get_absolute_url()
if not self.tag_cache:
taxonomy = "post_tag"
self.tag_cache = self._get_terms(taxonomy)
return self.tag_cache
def _get_terms(self, taxonomy):
table = '%s_term_relationships' % TABLE_PREFIX
sql = """SELECT term_taxonomy_id FROM """ + table + """ WHERE object_id = %s ORDER BY term_order"""
cursor = connections['wordpress'].cursor()
cursor.execute(sql, [self.id,])
ttids = [row[0] for row in cursor.fetchall()]
return Term.objects.filter(taxonomies__name=taxonomy, taxonomies__pk__in=ttids)
class PostMeta(WordPressModel):
"""
Post meta data.
"""
id = models.IntegerField(db_column='meta_id', primary_key=True)
post = models.ForeignKey(Post, related_name='meta', db_column='post_id')
key = models.CharField(max_length=255, db_column='meta_key')
value = models.TextField(db_column='meta_value')
class Meta:
db_table = '%s_postmeta' % TABLE_PREFIX
def __unicode__(self):
return u"%s: %s" % (self.key, self.value)
class Comment(WordPressModel):
"""
Comments to Posts.
"""
id = models.IntegerField(db_column='comment_id', primary_key=True)
post = models.ForeignKey(Post, related_name="comments", db_column="comment_post_id")
user_id = models.IntegerField(db_column='user_id', default=0)
#user = models.ForeignKey(User, related_name="comments", blank=True, null=True, default=0 )
parent_id = models.IntegerField(default=0, db_column='comment_parent')
# author fields
author_name = models.CharField(max_length=255, db_column='comment_author')
author_email = models.EmailField(max_length=100, db_column='comment_author_email')
author_url = models.URLField(verify_exists=False, db_column='comment_author_url')
author_ip = models.IPAddressField(db_column='comment_author_ip')
# comment data
post_date = models.DateTimeField(db_column='comment_date_gmt')
content = models.TextField(db_column='comment_content')
karma = models.IntegerField(default=0, db_column='comment_karma')
approved = models.CharField(max_length=20, db_column='comment_approved')
# other stuff
agent = models.CharField(max_length=255, db_column='comment_agent')
comment_type = models.CharField(max_length=20)
class Meta:
db_table = '%s_comments' % TABLE_PREFIX
ordering = ['-post_date']
def __unicode__(self):
return u"%s on %s" % (self.author_name, self.post.title)
def get_absolute_url(self):
return "%s#comment-%i" % (self.post.get_absolute_url(), self.pk)
def parent(self):
return self._get_object(Comment, self.parent_id)
"""
def user(self):
return self._get_object(User, self.user_id)
"""
def is_approved(self):
return self.approved == '1'
def is_spam(self):
return self.approved == 'spam'
class Term(WordPressModel):
id = models.IntegerField(db_column='term_id', primary_key=True)
name = models.CharField(max_length=200)
slug = models.SlugField(max_length=200)
group = models.IntegerField(default=0, db_column='term_group')
class Meta:
db_table = '%s_terms' % TABLE_PREFIX
ordering = ['name',]
def __unicode__(self):
return self.name
class Taxonomy(WordPressModel):
id = models.IntegerField(db_column='term_taxonomy_id', primary_key=True)
term = models.ForeignKey(Term, related_name='taxonomies', blank=True, null=True)
#term_id = models.IntegerField()
name = models.CharField(max_length=32, db_column='taxonomy')
description = models.TextField()
parent_id = models.IntegerField(default=0, db_column='parent')
count = models.IntegerField(default=0)
class Meta:
db_table = '%s_term_taxonomy' % TABLE_PREFIX
ordering = ['name',]
def __unicode__(self):
try:
term = self.term
except Term.DoesNotExist:
term = ''
return u"%s: %s" % (self.name, term)
def parent(self):
return self._get_object(Taxonomy, self.parent_id)
#def term(self):
# return self._get_object(Term, self.term_id)