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from django.db import models
class Category(models.Model):
#id
name = models.CharField(max_length=50);
def __unicode__(self):
return self.name
def serializable(self):
return {'id': self.id,
'name': self.name }
class Pic(models.Model):
#id
set = models.ForeignKey('feeds.PicSet', null=True,blank=True)
title = models.CharField(max_length=128, blank=False)
thumbnail_url = models.URLField(blank=True)
thumbnail_height = models.PositiveIntegerField(null=True,blank=True)
thumbnail_width = models.PositiveIntegerField(null=True,blank=True)
original_url = models.URLField(blank=False)
original_height = models.PositiveIntegerField(null=True,blank=True)
original_width = models.PositiveIntegerField(null=True,blank=True)
source_url = models.URLField(blank=True)
caption = models.TextField(blank=True)
credits = models.TextField(blank=True)
is_nsfw = models.NullBooleanField(null=True, blank=True)
def __unicode__(self):
if len(self.title) > 64:
return self.title[:61] + "..."
else:
return self.title
def serializable(self):
return {'id': self.id,
'set': {'id': self.set.id, 'title': self.set.title },
'thumbnail_url': self.thumbnail_url,
'thumbnail_height': self.thumbnail_height,
'thumbnail_width': self.thumbnail_width,
'original_url': self.original_url,
'original_height': self.original_height,
'original_width': self.original_width,
'source_url': self.source_url,
'caption': self.caption,
'credits': self.credits,
'is_nsfw': self.is_nsfw,
}
def serializable_short(self):
# TODO: more here?
return {'id': self.id,
'original_url': self.original_url,
'original_height': self.original_height,
'original_width': self.original_width,
'credits': self.credits,
}
class PicFeed(models.Model):
#id
created = models.DateTimeField()
shortname = models.SlugField(blank=False)
source_url = models.URLField(blank=True)
rssfeed_url = models.URLField(blank=True)
favicon_url = models.URLField(blank=True)
is_active = models.BooleanField(default=False)
title = models.CharField(max_length=80, blank=True)
description = models.TextField(blank=True)
image = models.ForeignKey('feeds.Pic', blank=True, null=True)
category = models.ForeignKey('feeds.Category', null=True,blank=True)
def __unicode__(self):
return self.shortname
def serializable(self):
return {'id': self.id,
'created_unixtime':
(int(self.created.strftime("%s")) if self.created else None),
'shortname': self.shortname,
'source_url': self.source_url,
'rssfeed_url': self.rssfeed_url,
'favicon_url': self.favicon_url,
'title': self.title,
'description': self.description,
'image':
(self.image.serializable_short() if self.image else None),
'category':
(self.category.name if self.category else None),
'last_updated_unixtime':
(int(self.picset_set.latest().created.strftime("%s"))
if (self.picset_set.count() > 0) else None),
}
class PicSet(models.Model):
#id
created = models.DateTimeField(null=True,blank=True)
source_url = models.URLField(blank=True)
title = models.CharField(max_length=128, blank=False)
description = models.TextField(blank=True)
credits = models.TextField(blank=True)
keywords = models.CharField(max_length=256, blank=True)
image = models.ForeignKey('feeds.Pic', null=True,blank=True)
feed = models.ForeignKey('feeds.PicFeed', null=True,blank=False)
category = models.ForeignKey('feeds.Category', null=True,blank=True)
is_nsfw = models.BooleanField(default=False, blank=False);
is_valid = models.BooleanField(default=True);
def __unicode__(self):
if len(self.title) > 64:
return self.title[:61] + "..."
else:
return self.title
class Meta:
get_latest_by = "created"
def serializable(self):
return {'id': self.id,
'created_unixtime':
(int(self.created.strftime("%s")) if self.created else None),
'source_url': self.source_url,
'title': self.title,
'description': self.description,
'credits': self.credits,
'keywords': self.keywords,
'image':
(self.image.serializable_short() if self.image else None),
'pic_count':
Pic.objects.filter(set=self.id).count(),
'category':
(self.category.name if self.category else None),
}
# The below search code comes from Julien Phalip
import re
from django.db.models import Q
def normalize_query(query_string,
findterms=re.compile(r'"([^"]+)"|(\S+)').findall,
normspace=re.compile(r'\s{2,}').sub):
''' Splits the query string in invidual keywords, getting rid of unecessary spaces
and grouping quoted words together.
Example:
>>> normalize_query(' some random words "with quotes " and spaces')
['some', 'random', 'words', 'with quotes', 'and', 'spaces']
'''
return [normspace(' ', (t[0] or t[1]).strip()) for t in findterms(query_string)]
def get_query(query_string, search_fields):
''' Returns a query, that is a combination of Q objects. That combination
aims to search keywords within a model by testing the given search fields.
'''
query = None # Query to search for every search term
terms = normalize_query(query_string)
for term in terms:
or_query = None # Query to search for a given term in each field
for field_name in search_fields:
q = Q(**{"%s__icontains" % field_name: term})
if or_query is None:
or_query = q
else:
or_query = or_query | q
if query is None:
query = or_query
else:
query = query & or_query
return query
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