155 lines
4.5 KiB
Python
155 lines
4.5 KiB
Python
from django.db import models
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from activities.models import (
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Hashtag,
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Post,
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PostInteraction,
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PostInteractionStates,
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TimelineEvent,
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)
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from activities.services import PostService
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from users.models import Identity
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class TimelineService:
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"""
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Timelines and stuff!
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"""
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def __init__(self, identity: Identity | None):
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self.identity = identity
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@classmethod
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def event_queryset(cls):
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return TimelineEvent.objects.select_related(
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"subject_post",
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"subject_post__author",
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"subject_post__author__domain",
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"subject_identity",
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"subject_identity__domain",
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"subject_post_interaction",
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"subject_post_interaction__identity",
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"subject_post_interaction__identity__domain",
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).prefetch_related(
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"subject_post__attachments",
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"subject_post__mentions",
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"subject_post__emojis",
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)
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def home(self) -> models.QuerySet[TimelineEvent]:
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return (
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self.event_queryset()
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.filter(
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identity=self.identity,
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type__in=[TimelineEvent.Types.post, TimelineEvent.Types.boost],
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)
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.order_by("-created")
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)
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def local(self) -> models.QuerySet[Post]:
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queryset = (
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PostService.queryset()
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.local_public()
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.filter(author__restriction=Identity.Restriction.none)
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.order_by("-id")
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)
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if self.identity is not None:
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queryset = queryset.filter(author__domain=self.identity.domain)
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return queryset
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def federated(self) -> models.QuerySet[Post]:
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return (
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PostService.queryset()
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.public()
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.filter(author__restriction=Identity.Restriction.none)
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.order_by("-id")
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)
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def hashtag(self, hashtag: str | Hashtag) -> models.QuerySet[Post]:
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return (
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PostService.queryset()
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.public()
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.filter(author__restriction=Identity.Restriction.none)
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.tagged_with(hashtag)
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.order_by("-id")
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)
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def notifications(self, types: list[str]) -> models.QuerySet[TimelineEvent]:
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return (
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self.event_queryset()
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.filter(identity=self.identity, type__in=types)
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.order_by("-created")
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)
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def identity_public(
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self,
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identity: Identity,
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include_boosts: bool = True,
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include_replies: bool = True,
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):
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"""
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Returns timeline events with all of an identity's publicly visible posts
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and their boosts
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"""
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filter = models.Q(
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type=TimelineEvent.Types.post,
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subject_post__author=identity,
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subject_post__visibility__in=[
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Post.Visibilities.public,
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Post.Visibilities.local_only,
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Post.Visibilities.unlisted,
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],
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)
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if include_boosts:
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filter = filter | models.Q(
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type=TimelineEvent.Types.boost, subject_identity=identity
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)
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if not include_replies:
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filter = filter & models.Q(subject_post__in_reply_to__isnull=True)
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return (
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self.event_queryset()
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.filter(
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filter,
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identity=identity,
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)
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.order_by("-created")
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)
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def identity_pinned(self) -> models.QuerySet[Post]:
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"""
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Return all pinned posts that are publicly visible for an identity
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"""
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return (
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PostService.queryset()
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.public()
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.filter(
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interactions__identity=self.identity,
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interactions__type=PostInteraction.Types.pin,
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interactions__state__in=PostInteractionStates.group_active(),
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)
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)
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def likes(self) -> models.QuerySet[Post]:
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"""
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Return all liked posts for an identity
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"""
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return (
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PostService.queryset()
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.filter(
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interactions__identity=self.identity,
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interactions__type=PostInteraction.Types.like,
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interactions__state__in=PostInteractionStates.group_active(),
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)
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.order_by("-id")
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)
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def bookmarks(self) -> models.QuerySet[Post]:
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"""
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Return all bookmarked posts for an identity
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"""
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return (
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PostService.queryset()
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.filter(bookmarks__identity=self.identity)
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.order_by("-id")
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)
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