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from django.db import models
from django.dispatch import dispatcher
from django.db.models import signals
from django.contrib.auth.models import User, AnonymousUser
from bn_django.photos.models import Photo
class SubJournal(models.Model):
name = models.CharField("full title", blank=False,max_length=196)
date = models.DateField("date started", auto_now_add=True)
slug = models.SlugField()
description = models.TextField("description of content",blank=True)
def __unicode__(self):
return self.name
class Meta:
get_latest_by = 'date'
ordering = ['-date']
class JournalCommon(models.Model):
author = User("User who created this")
date = models.DateTimeField("associated day", auto_now=True)
last_edited = models.DateTimeField("day last edited", auto_now_add=True)
subjournal = models.ForeignKey(SubJournal,blank=True,null=True)
defunct = models.BooleanField("is this entry all around done with?",default=False,blank=False)
private = models.BooleanField("is this entry for validated users only?",default=False,blank=False)
class Meta:
abstract = True
get_latest_by = 'date'
ordering = ['-date']
class Entry(JournalCommon):
html_content = models.TextField("html format content", blank=False)
title = models.CharField("entry title", max_length=384)
slug = models.SlugField()
def __unicode__(self):
return self.title
def get_absolute_url(self):
#return "/journal/entries/%04d/%02d/%02d/%s/"%(self.date.year, self.date.month, self.date.day, self.slug)
return "/journal/entries/%s/"%self.slug
class MicroEntry(JournalCommon):
html_content = models.TextField("html format content", blank=False)
text_content = models.TextField("text version of content", blank=True,null=True)
def __unicode__(self):
return self.html_content[:50]
def get_absolute_url(self):
return "/journal/microentries/%s/"%self.id
#return "/journal/microentries/%04d/%02d/%02d/%s/"%(self.date.year, self.date.month, self.date.day, self.slug)
class Artifact(JournalCommon):
html_caption = models.TextField("html format caption", blank=True)
text_caption = models.TextField("text format caption", blank=True)
entry = models.ForeignKey(Entry, blank=True, null=True)
title = models.CharField("title of the artifact", max_length=256, blank=True)
class Meta:
abstract = True
class VideoArtifact(Artifact):
codec = models.CharField("what codec/format the video is", max_length=384)
filepath = models.FileField(upload_to="artifacts/%Y/%m/")
external_url = models.URLField("external representation to reduce bandwidth (youtube, etc)", blank=True)
class CodeArtifact(Artifact):
code = models.TextField("raw source code", blank=False)
language = models.CharField("what programming language", max_length=160, \
blank=True)
class LinkArtifact(Artifact):
url = models.URLField("external link to something wonderful!",verify_exists=False)
def __unicode__(self):
return self.title
def get_absolute_url(self):
return "/artifacts/links/%s/"% self.id
class ImageArtifact(Artifact,Photo):
"""Multiply inherets from the photo app
"""
def build_display_images(sender, instance, signal, *args, **kwargs):
"""Simple hook for save-after trigger
"""
instance.build_display_images()
def delete_thumbnails(sender, instance, signal, *args, **kwargs):
"""Simple hook for pre-delete trigger.
"""
instance.delete_thumbnails()
signals.post_save.connect(build_display_images, sender=ImageArtifact)
signals.pre_delete.connect(delete_thumbnails, sender=ImageArtifact)
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