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-rw-r--r--news/migrations/0007_add_guid.py65
-rw-r--r--news/migrations/0008_set_prior_guids.py83
-rw-r--r--news/migrations/0009_utc_datetimes.py85
-rw-r--r--news/models.py31
4 files changed, 257 insertions, 7 deletions
diff --git a/news/migrations/0007_add_guid.py b/news/migrations/0007_add_guid.py
new file mode 100644
index 00000000..5fa8193e
--- /dev/null
+++ b/news/migrations/0007_add_guid.py
@@ -0,0 +1,65 @@
+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+class Migration(SchemaMigration):
+
+ def forwards(self, orm):
+ db.add_column('news', 'guid', self.gf('django.db.models.fields.CharField')(default='', max_length=255), keep_default=False)
+
+ def backwards(self, orm):
+ db.delete_column('news', 'guid')
+
+ models = {
+ 'auth.group': {
+ 'Meta': {'object_name': 'Group'},
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+ 'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+ },
+ 'auth.permission': {
+ 'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+ 'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+ },
+ 'auth.user': {
+ 'Meta': {'object_name': 'User'},
+ 'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+ 'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+ 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+ 'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+ 'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+ 'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+ 'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+ 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+ 'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+ 'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+ 'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+ },
+ 'contenttypes.contenttype': {
+ 'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+ 'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+ },
+ 'news.news': {
+ 'Meta': {'ordering': "['-postdate']", 'object_name': 'News', 'db_table': "'news'"},
+ 'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'news_author'", 'to': "orm['auth.User']"}),
+ 'content': ('django.db.models.fields.TextField', [], {}),
+ 'guid': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'last_modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
+ 'postdate': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
+ 'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '255', 'db_index': 'True'}),
+ 'title': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+ }
+ }
+
+ complete_apps = ['news']
diff --git a/news/migrations/0008_set_prior_guids.py b/news/migrations/0008_set_prior_guids.py
new file mode 100644
index 00000000..704b11c9
--- /dev/null
+++ b/news/migrations/0008_set_prior_guids.py
@@ -0,0 +1,83 @@
+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import DataMigration
+from django.conf import settings
+from django.db import models
+
+class Migration(DataMigration):
+ '''The point of this migration is to not mark every news item as 'new' in
+ people's feed readers, and store the GUID perminantly with the news item.
+ All previously published news items will get their former auto-assigned
+ GUID; new ones will get a generated tag: URI and this won't apply to
+ them.'''
+
+ def forwards(self, orm):
+ all_news = orm.News.objects.all().defer('content')
+ site = orm['sites.site'].objects.get(pk=settings.SITE_ID).domain
+ for news in all_news:
+ new_guid = 'http://%s/news/%s/' % (site, news.slug)
+ # looks totally silly, but prevents full updates of all fields,
+ # including content and last_modified which we want to leave alone
+ orm.News.objects.filter(pk=news.pk).update(guid=new_guid)
+
+ def backwards(self, orm):
+ pass
+
+ models = {
+ 'auth.group': {
+ 'Meta': {'object_name': 'Group'},
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+ 'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+ },
+ 'auth.permission': {
+ 'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+ 'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+ },
+ 'auth.user': {
+ 'Meta': {'object_name': 'User'},
+ 'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+ 'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+ 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+ 'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+ 'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+ 'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+ 'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+ 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+ 'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+ 'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+ 'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+ },
+ 'contenttypes.contenttype': {
+ 'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+ 'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+ },
+ 'news.news': {
+ 'Meta': {'ordering': "['-postdate']", 'object_name': 'News', 'db_table': "'news'"},
+ 'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'news_author'", 'to': "orm['auth.User']"}),
+ 'content': ('django.db.models.fields.TextField', [], {}),
+ 'guid': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'last_modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
+ 'postdate': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
+ 'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '255', 'db_index': 'True'}),
+ 'title': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+ },
+ 'sites.site': {
+ 'Meta': {'ordering': "('domain',)", 'object_name': 'Site', 'db_table': "'django_site'"},
+ 'domain': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+ }
+ }
+
+ complete_apps = ['sites', 'news']
diff --git a/news/migrations/0009_utc_datetimes.py b/news/migrations/0009_utc_datetimes.py
new file mode 100644
index 00000000..6cddf783
--- /dev/null
+++ b/news/migrations/0009_utc_datetimes.py
@@ -0,0 +1,85 @@
+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import DataMigration
+from django.db import models
+from django.utils.tzinfo import LocalTimezone
+
+def new_date(old_date, reverse=False):
+ if old_date is None:
+ return None
+ tz = LocalTimezone(old_date)
+ offset = tz.utcoffset(old_date)
+ if reverse:
+ offset = -offset
+ return old_date - offset
+
+class Migration(DataMigration):
+
+ def forwards(self, orm):
+ all_news = orm.News.objects.all().defer('content')
+ for news in all_news:
+ # prevents full object updates
+ orm.News.objects.filter(pk=news.pk).update(
+ postdate=new_date(news.postdate),
+ last_modified=new_date(news.last_modified))
+
+ def backwards(self, orm):
+ all_news = orm.News.objects.all().defer('content')
+ for news in all_news:
+ # prevents full object updates
+ orm.News.objects.filter(pk=news.pk).update(
+ postdate=new_date(news.postdate, True),
+ last_modified=new_date(news.last_modified, True))
+
+ models = {
+ 'auth.group': {
+ 'Meta': {'object_name': 'Group'},
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+ 'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+ },
+ 'auth.permission': {
+ 'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+ 'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+ },
+ 'auth.user': {
+ 'Meta': {'object_name': 'User'},
+ 'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+ 'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+ 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+ 'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+ 'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+ 'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+ 'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+ 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+ 'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+ 'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+ 'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+ },
+ 'contenttypes.contenttype': {
+ 'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+ 'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+ 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+ },
+ 'news.news': {
+ 'Meta': {'ordering': "['-postdate']", 'object_name': 'News', 'db_table': "'news'"},
+ 'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'news_author'", 'to': "orm['auth.User']"}),
+ 'content': ('django.db.models.fields.TextField', [], {}),
+ 'guid': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+ 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+ 'last_modified': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
+ 'postdate': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
+ 'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '255', 'db_index': 'True'}),
+ 'title': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+ }
+ }
+
+ complete_apps = ['news']
diff --git a/news/models.py b/news/models.py
index c2d644b7..33d958e0 100644
--- a/news/models.py
+++ b/news/models.py
@@ -1,13 +1,17 @@
+from datetime import datetime
+
from django.db import models
from django.contrib.auth.models import User
+from django.contrib.sites.models import Site
class News(models.Model):
slug = models.SlugField(max_length=255, unique=True)
- author = models.ForeignKey(User, related_name='news_author')
- postdate = models.DateTimeField("post date", auto_now_add=True, db_index=True)
- last_modified = models.DateTimeField(editable=False,
- auto_now=True, db_index=True)
+ author = models.ForeignKey(User, related_name='news_author',
+ on_delete=models.PROTECT)
+ postdate = models.DateTimeField("post date", db_index=True)
+ last_modified = models.DateTimeField(editable=False, db_index=True)
title = models.CharField(max_length=255)
+ guid = models.CharField(max_length=255, editable=False)
content = models.TextField()
def get_absolute_url(self):
@@ -22,10 +26,23 @@ class News(models.Model):
get_latest_by = 'postdate'
ordering = ['-postdate']
+def set_news_fields(sender, **kwargs):
+ news = kwargs['instance']
+ now = datetime.utcnow()
+ news.last_modified = now
+ if not news.postdate:
+ news.postdate = now
+ # http://diveintomark.org/archives/2004/05/28/howto-atom-id
+ news.guid = 'tag:%s,%s:%s' % (Site.objects.get_current(),
+ now.strftime('%Y-%m-%d'), news.get_absolute_url())
+
# connect signals needed to keep cache in line with reality
-from main.utils import refresh_news_latest
-from django.db.models.signals import post_save
-post_save.connect(refresh_news_latest, sender=News,
+from main.utils import refresh_latest
+from django.db.models.signals import pre_save, post_save
+
+post_save.connect(refresh_latest, sender=News,
+ dispatch_uid="news.models")
+pre_save.connect(set_news_fields, sender=News,
dispatch_uid="news.models")
# vim: set ts=4 sw=4 et:
generated by cgit v1.2.3-2-g168b (git 2.25.1) at 2024-11-16 12:21:07 +0000