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from __future__ import unicode_literals |
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from django.conf import settings |
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from django.contrib.contenttypes.fields import GenericForeignKey |
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from django.contrib.contenttypes.models import ContentType |
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from django.db import models |
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from django.urls import reverse |
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from django.utils.encoding import python_2_unicode_compatible |
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from django.utils.timesince import timesince as djtimesince |
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from django.utils.timezone import now |
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from django.utils.translation import ugettext as _ |
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from actstream import get_action_model, get_follow_model |
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from actstream import settings as actstream_settings |
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from actstream.managers import FollowManager |
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@python_2_unicode_compatible |
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class AbstractFollow(models.Model): |
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""" |
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Lets a user follow the activities of any specific actor |
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""" |
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user = models.ForeignKey( |
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settings.AUTH_USER_MODEL, |
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on_delete=models.CASCADE, |
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related_name="%(app_label)s_%(class)s_follows", |
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related_query_name="%(app_label)s_%(class)s_follows" |
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) |
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content_type = models.ForeignKey( |
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ContentType, |
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on_delete=models.CASCADE, |
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related_name="%(app_label)s_%(class)s_follow_objects", |
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related_query_name="%(app_label)s_%(class)s_follow_objects" |
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) |
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object_id = models.CharField(max_length=255, db_index=True) |
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follow_object = GenericForeignKey() |
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actor_only = models.BooleanField( |
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"Only follow actions where the object is the target.", |
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default=True |
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) |
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flag = models.CharField(max_length=255, blank=True, db_index=True, default='') |
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started = models.DateTimeField(default=now, db_index=True) |
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objects = FollowManager() |
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class Meta: |
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abstract = True |
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unique_together = ('user', 'content_type', 'object_id', 'flag') |
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def __str__(self): |
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return '%s -> %s : %s' % (self.user, self.follow_object, self.flag) |
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@python_2_unicode_compatible |
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class AbstractAction(models.Model): |
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""" |
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Action model describing the actor acting out a verb (on an optional |
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target). |
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Nomenclature based on http://activitystrea.ms/specs/atom/1.0/ |
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Generalized Format:: |
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<actor> <verb> <time> |
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<actor> <verb> <target> <time> |
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<actor> <verb> <action_object> <target> <time> |
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Examples:: |
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<justquick> <reached level 60> <1 minute ago> |
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<brosner> <commented on> <pinax/pinax> <2 hours ago> |
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<washingtontimes> <started follow> <justquick> <8 minutes ago> |
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<mitsuhiko> <closed> <issue 70> on <mitsuhiko/flask> <about 2 hours ago> |
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Unicode Representation:: |
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justquick reached level 60 1 minute ago |
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mitsuhiko closed issue 70 on mitsuhiko/flask 3 hours ago |
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HTML Representation:: |
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<a href="http://oebfare.com/">brosner</a> commented on <a href="http://github.com/pinax/pinax">pinax/pinax</a> 2 hours ago |
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""" |
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actor_content_type = models.ForeignKey( |
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ContentType, |
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on_delete=models.CASCADE, |
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related_name="%(app_label)s_%(class)s_actors", |
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related_query_name="%(app_label)s_%(class)s_actors" |
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) |
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actor_object_id = models.CharField(max_length=255, db_index=True) |
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actor = GenericForeignKey('actor_content_type', 'actor_object_id') |
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verb = models.CharField(max_length=255, db_index=True) |
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description = models.TextField(blank=True, null=True) |
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target_content_type = models.ForeignKey( |
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ContentType, |
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on_delete=models.CASCADE, |
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blank=True, |
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null=True, |
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related_name="%(app_label)s_%(class)s_targets", |
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related_query_name="%(app_label)s_%(class)s_targets" |
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) |
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target_object_id = models.CharField( |
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max_length=255, blank=True, null=True, db_index=True |
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) |
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target = GenericForeignKey( |
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'target_content_type', |
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'target_object_id' |
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) |
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action_object_content_type = models.ForeignKey( |
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ContentType, |
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on_delete=models.CASCADE, |
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blank=True, |
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null=True, |
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related_name="%(app_label)s_%(class)s_action_objects", |
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related_query_name="%(app_label)s_%(class)s_action_objects" |
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) |
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action_object_object_id = models.CharField( |
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max_length=255, blank=True, null=True, db_index=True |
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) |
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action_object = GenericForeignKey( |
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'action_object_content_type', |
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'action_object_object_id' |
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) |
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timestamp = models.DateTimeField(default=now, db_index=True) |
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public = models.BooleanField(default=True, db_index=True) |
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objects = actstream_settings.get_action_manager() |
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class Meta: |
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abstract = True |
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ordering = ('-timestamp',) |
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def __str__(self): |
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ctx = { |
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'actor': self.actor, |
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'verb': self.verb, |
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'action_object': self.action_object, |
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'target': self.target, |
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'timesince': self.timesince() |
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} |
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if self.target: |
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if self.action_object: |
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return _('%(actor)s %(verb)s %(action_object)s on %(target)s %(timesince)s ago') % ctx |
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return _('%(actor)s %(verb)s %(target)s %(timesince)s ago') % ctx |
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if self.action_object: |
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return _('%(actor)s %(verb)s %(action_object)s %(timesince)s ago') % ctx |
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return _('%(actor)s %(verb)s %(timesince)s ago') % ctx |
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def actor_url(self): |
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""" |
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Return the URL to the ``actstream_actor`` view for the current actor. |
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""" |
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return reverse('actstream_actor', None, |
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(self.actor_content_type.pk, self.actor_object_id)) |
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def target_url(self): |
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""" |
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Return the URL to the ``actstream_actor`` view for the current target. |
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""" |
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return reverse('actstream_actor', None, |
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(self.target_content_type.pk, self.target_object_id)) |
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def action_object_url(self): |
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""" |
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Return the URL to the ``actstream_action_object`` view for the current action object. |
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""" |
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return reverse('actstream_actor', None, ( |
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self.action_object_content_type.pk, self.action_object_object_id)) |
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def timesince(self, now=None): |
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""" |
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Shortcut for the ``django.utils.timesince.timesince`` function of the current timestamp. |
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""" |
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return djtimesince(self.timestamp, now).encode('utf8').replace(b'\xc2\xa0', b' ').decode('utf8') |
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def get_absolute_url(self): |
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return reverse( |
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'actstream.views.detail', [self.pk]) |
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class Follow(AbstractFollow): |
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class Meta(AbstractFollow.Meta): |
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swappable = 'ACTSTREAM_FOLLOW_MODEL' |
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class Action(AbstractAction): |
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class Meta(AbstractAction.Meta): |
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swappable = 'ACTSTREAM_ACTION_MODEL' |
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# convenient accessors |
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actor_stream = get_action_model().objects.actor |
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action_object_stream = get_action_model().objects.action_object |
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target_stream = get_action_model().objects.target |
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user_stream = get_action_model().objects.user |
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model_stream = get_action_model().objects.model_actions |
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any_stream = get_action_model().objects.any |
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followers = get_follow_model().objects.followers |
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following = get_follow_model().objects.following |
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justquick /
django-activity-stream
