mirror of
https://github.com/jointakahe/takahe.git
synced 2024-12-24 22:30:28 +00:00
116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
from django.db import models
|
|
|
|
|
|
class TimelineEvent(models.Model):
|
|
"""
|
|
Something that has happened to an identity that we want them to see on one
|
|
or more timelines, like posts, likes and follows.
|
|
"""
|
|
|
|
class Types(models.TextChoices):
|
|
post = "post"
|
|
boost = "boost" # A boost from someone (post substitude)
|
|
mentioned = "mentioned"
|
|
liked = "liked" # Someone liking one of our posts
|
|
followed = "followed"
|
|
boosted = "boosted" # Someone boosting one of our posts
|
|
|
|
# The user this event is for
|
|
identity = models.ForeignKey(
|
|
"users.Identity",
|
|
on_delete=models.CASCADE,
|
|
related_name="timeline_events",
|
|
)
|
|
|
|
# What type of event it is
|
|
type = models.CharField(max_length=100, choices=Types.choices)
|
|
|
|
# The subject of the event (which is used depends on the type)
|
|
subject_post = models.ForeignKey(
|
|
"activities.Post",
|
|
on_delete=models.CASCADE,
|
|
blank=True,
|
|
null=True,
|
|
related_name="timeline_events",
|
|
)
|
|
subject_post_interaction = models.ForeignKey(
|
|
"activities.PostInteraction",
|
|
on_delete=models.CASCADE,
|
|
blank=True,
|
|
null=True,
|
|
related_name="timeline_events",
|
|
)
|
|
subject_identity = models.ForeignKey(
|
|
"users.Identity",
|
|
on_delete=models.CASCADE,
|
|
blank=True,
|
|
null=True,
|
|
related_name="timeline_events_about_us",
|
|
)
|
|
|
|
created = models.DateTimeField(auto_now_add=True)
|
|
|
|
class Meta:
|
|
index_together = [
|
|
# This relies on a DB that can use left subsets of indexes
|
|
("identity", "type", "subject_post", "subject_identity"),
|
|
("identity", "type", "subject_identity"),
|
|
]
|
|
|
|
### Alternate constructors ###
|
|
|
|
@classmethod
|
|
def add_follow(cls, identity, source_identity):
|
|
"""
|
|
Adds a follow to the timeline if it's not there already
|
|
"""
|
|
return cls.objects.get_or_create(
|
|
identity=identity,
|
|
type=cls.Types.follow,
|
|
subject_identity=source_identity,
|
|
)[0]
|
|
|
|
@classmethod
|
|
def add_post(cls, identity, post):
|
|
"""
|
|
Adds a post to the timeline if it's not there already
|
|
"""
|
|
return cls.objects.get_or_create(
|
|
identity=identity,
|
|
type=cls.Types.post,
|
|
subject_post=post,
|
|
)[0]
|
|
|
|
@classmethod
|
|
def add_post_interaction(cls, identity, interaction):
|
|
"""
|
|
Adds a boost/like to the timeline if it's not there already.
|
|
|
|
For boosts, may make two objects - one "boost" and one "boosted".
|
|
It'll return the "boost" in that case.
|
|
"""
|
|
if interaction.type == interaction.Types.like:
|
|
return cls.objects.get_or_create(
|
|
identity=identity,
|
|
type=cls.Types.liked,
|
|
subject_post_id=interaction.post_id,
|
|
subject_identity_id=interaction.identity_id,
|
|
subject_post_interaction=interaction,
|
|
)[0]
|
|
elif interaction.type == interaction.Types.boost:
|
|
# If the boost is on one of our posts, then that's a boosted too
|
|
if interaction.post.author_id == identity.id:
|
|
return cls.objects.get_or_create(
|
|
identity=identity,
|
|
type=cls.Types.boosted,
|
|
subject_post_id=interaction.post_id,
|
|
subject_identity_id=interaction.identity_id,
|
|
subject_post_interaction=interaction,
|
|
)[0]
|
|
return cls.objects.get_or_create(
|
|
identity=identity,
|
|
type=cls.Types.boost,
|
|
subject_post_id=interaction.post_id,
|
|
subject_identity_id=interaction.identity_id,
|
|
subject_post_interaction=interaction,
|
|
)[0]
|