From e382994e737b8331beac75dc68672a0eddebb447 Mon Sep 17 00:00:00 2001
From: Humberto Rocha <humrochagf@gmail.com>
Date: Wed, 15 Feb 2023 12:42:56 -0500
Subject: [PATCH] Polls (#496)

Implement poll AP and API backend
---
 ...action_value_alter_postinteraction_type.py |  26 ++
 activities/models/fan_out.py                  |   8 +-
 activities/models/post.py                     |  54 ++-
 activities/models/post_interaction.py         | 123 ++++++-
 activities/models/post_types.py               |  48 +++
 activities/models/timeline_event.py           |   8 +-
 api/pagination.py                             |   8 +-
 api/schemas.py                                |  47 ++-
 api/urls.py                                   |   4 +
 api/views/polls.py                            |  26 ++
 api/views/search.py                           |   4 +-
 api/views/statuses.py                         |  55 ++-
 core/ld.py                                    |   4 +-
 tests/activities/models/test_post.py          |  41 +++
 .../models/test_post_interaction.py           | 314 ++++++++++++++++++
 tests/api/test_polls.py                       |  62 ++++
 tests/api/test_statuses.py                    |  65 ++++
 users/models/inbox_message.py                 |  14 +-
 18 files changed, 868 insertions(+), 43 deletions(-)
 create mode 100644 activities/migrations/0011_postinteraction_value_alter_postinteraction_type.py
 create mode 100644 api/views/polls.py
 create mode 100644 tests/activities/models/test_post_interaction.py
 create mode 100644 tests/api/test_polls.py

diff --git a/activities/migrations/0011_postinteraction_value_alter_postinteraction_type.py b/activities/migrations/0011_postinteraction_value_alter_postinteraction_type.py
new file mode 100644
index 0000000..2de059e
--- /dev/null
+++ b/activities/migrations/0011_postinteraction_value_alter_postinteraction_type.py
@@ -0,0 +1,26 @@
+# Generated by Django 4.1.7 on 2023-02-14 22:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("activities", "0010_stator_indexes"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="postinteraction",
+            name="value",
+            field=models.CharField(blank=True, max_length=50, null=True),
+        ),
+        migrations.AlterField(
+            model_name="postinteraction",
+            name="type",
+            field=models.CharField(
+                choices=[("like", "Like"), ("boost", "Boost"), ("vote", "Vote")],
+                max_length=100,
+            ),
+        ),
+    ]
diff --git a/activities/models/fan_out.py b/activities/models/fan_out.py
index e63509c..ff6fc64 100644
--- a/activities/models/fan_out.py
+++ b/activities/models/fan_out.py
@@ -163,7 +163,7 @@ class FanOutStates(StateGraph):
                     interaction=interaction,
                 )
 
-            # Handle sending remote boosts/likes
+            # Handle sending remote boosts/likes/votes
             case (FanOut.Types.interaction, False):
                 interaction = await fan_out.subject_post_interaction.afetch_full()
                 # Send it to the remote inbox
@@ -174,7 +174,11 @@ class FanOutStates(StateGraph):
                             fan_out.identity.shared_inbox_uri
                             or fan_out.identity.inbox_uri
                         ),
-                        body=canonicalise(interaction.to_ap()),
+                        body=canonicalise(
+                            interaction.to_create_ap()
+                            if interaction.type == interaction.Types.vote
+                            else interaction.to_ap()
+                        ),
                     )
                 except httpx.RequestError:
                     return
diff --git a/activities/models/post.py b/activities/models/post.py
index 62c5983..bbcfecc 100644
--- a/activities/models/post.py
+++ b/activities/models/post.py
@@ -23,6 +23,7 @@ from activities.models.post_types import (
     PostTypeData,
     PostTypeDataDecoder,
     PostTypeDataEncoder,
+    QuestionData,
 )
 from core.exceptions import capture_message
 from core.html import ContentRenderer, FediverseHtmlParser
@@ -377,12 +378,16 @@ class Post(StatorModel):
     def _safe_content_note(self, *, local: bool = True):
         return ContentRenderer(local=local).render_post(self.content, self)
 
-    # def _safe_content_question(self, *, local: bool = True):
-    #     context = {
-    #         "post": self,
-    #         "typed_data": PostTypeData(self.type_data),
-    #     }
-    #     return loader.render_to_string("activities/_type_question.html", context)
+    def _safe_content_question(self, *, local: bool = True):
+        if local:
+            context = {
+                "post": self,
+                "sanitized_content": self._safe_content_note(local=local),
+                "local_display": local,
+            }
+            return loader.render_to_string("activities/_type_question.html", context)
+        else:
+            return ContentRenderer(local=local).render_post(self.content, self)
 
     def _safe_content_typed(self, *, local: bool = True):
         context = {
@@ -461,6 +466,7 @@ class Post(StatorModel):
         visibility: int = Visibilities.public,
         reply_to: Optional["Post"] = None,
         attachments: list | None = None,
+        question: dict | None = None,
     ) -> "Post":
         with transaction.atomic():
             # Find mentions in this post
@@ -493,6 +499,9 @@ class Post(StatorModel):
             post.emojis.set(emojis)
             if attachments:
                 post.attachments.set(attachments)
+            if question:
+                post.type = question["type"]
+                post.type_data = PostTypeData(__root__=question).__root__
             post.save()
             # Recalculate parent stats for replies
             if reply_to:
@@ -574,6 +583,30 @@ class Post(StatorModel):
         if save:
             self.save()
 
+    def calculate_type_data(self, save=True):
+        """
+        Recalculate type_data (used mostly for poll votes)
+        """
+        from activities.models import PostInteraction
+
+        if self.local and isinstance(self.type_data, QuestionData):
+            self.type_data.voter_count = (
+                self.interactions.filter(
+                    type=PostInteraction.Types.vote,
+                )
+                .values("identity")
+                .distinct()
+                .count()
+            )
+
+            for option in self.type_data.options:
+                option.votes = self.interactions.filter(
+                    type=PostInteraction.Types.vote,
+                    value=option.name,
+                ).count()
+        if save:
+            self.save()
+
     ### ActivityPub (outbound) ###
 
     def to_ap(self) -> dict:
@@ -802,8 +835,7 @@ class Post(StatorModel):
         if update or created:
             post.type = data["type"]
             if post.type in (cls.Types.article, cls.Types.question):
-                type_data = PostTypeData(__root__=data).__root__
-                post.type_data = type_data.dict()
+                post.type_data = PostTypeData(__root__=data).__root__
             post.content = get_value_or_map(data, "content", "contentMap")
             post.summary = data.get("summary")
             post.sensitive = data.get("sensitive", False)
@@ -1027,7 +1059,7 @@ class Post(StatorModel):
 
     ### Mastodon API ###
 
-    def to_mastodon_json(self, interactions=None):
+    def to_mastodon_json(self, interactions=None, identity=None):
         reply_parent = None
         if self.in_reply_to:
             # Load the PK and author.id explicitly to prevent a SELECT on the entire author Identity
@@ -1085,7 +1117,9 @@ class Post(StatorModel):
                 reply_parent.author_id if reply_parent else None
             ),
             "reblog": None,
-            "poll": None,
+            "poll": self.type_data.to_mastodon_json(self, identity)
+            if isinstance(self.type_data, QuestionData)
+            else None,
             "card": None,
             "language": None,
             "text": self.safe_content_remote(),
diff --git a/activities/models/post_interaction.py b/activities/models/post_interaction.py
index 5bc92cf..0b66065 100644
--- a/activities/models/post_interaction.py
+++ b/activities/models/post_interaction.py
@@ -3,6 +3,7 @@ from django.utils import timezone
 
 from activities.models.fan_out import FanOut
 from activities.models.post import Post
+from activities.models.post_types import QuestionData
 from core.ld import format_ld_date, get_str_or_id, parse_ld_date
 from core.snowflake import Snowflake
 from stator.models import State, StateField, StateGraph, StatorModel
@@ -60,6 +61,17 @@ class PostInteractionStates(StateGraph):
                     subject_post=interaction.post,
                     subject_post_interaction=interaction,
                 )
+        # Vote: send a copy of the vote to the original
+        # post author only if it's a local interaction
+        # to a non local post
+        elif interaction.type == interaction.Types.vote:
+            if interaction.identity.local and not interaction.post.local:
+                await FanOut.objects.acreate(
+                    type=FanOut.Types.interaction,
+                    identity_id=interaction.post.author_id,
+                    subject_post=interaction.post,
+                    subject_post_interaction=interaction,
+                )
         else:
             raise ValueError("Cannot fan out unknown type")
         # And one for themselves if they're local and it's a boost
@@ -125,6 +137,7 @@ class PostInteraction(StatorModel):
     class Types(models.TextChoices):
         like = "like"
         boost = "boost"
+        vote = "vote"
 
     id = models.BigIntegerField(
         primary_key=True,
@@ -154,6 +167,10 @@ class PostInteraction(StatorModel):
         related_name="interactions",
     )
 
+    # Used to store any interaction extra text value like the vote
+    # in the question/poll case
+    value = models.CharField(max_length=50, blank=True, null=True)
+
     # When the activity was originally created (as opposed to when we received it)
     # Mastodon only seems to send this for boosts, not likes
     published = models.DateTimeField(default=timezone.now)
@@ -203,9 +220,44 @@ class PostInteraction(StatorModel):
         """
         Returns a version of the object with all relations pre-loaded
         """
-        return await PostInteraction.objects.select_related("identity", "post").aget(
-            pk=self.pk
-        )
+        return await PostInteraction.objects.select_related(
+            "identity", "post", "post__author"
+        ).aget(pk=self.pk)
+
+    ### Create helpers ###
+
+    @classmethod
+    def create_votes(cls, post, identity, choices) -> list["PostInteraction"]:
+        question = post.type_data
+
+        if question.end_time and timezone.now() > question.end_time:
+            raise ValueError("Validation failed: The poll has already ended")
+
+        if post.interactions.filter(identity=identity, type=cls.Types.vote).exists():
+            raise ValueError("Validation failed: You have already voted on this poll")
+
+        votes = []
+        with transaction.atomic():
+            for choice in set(choices):
+                vote = cls.objects.create(
+                    identity=identity,
+                    post=post,
+                    type=PostInteraction.Types.vote,
+                    value=question.options[choice].name,
+                )
+                vote.object_uri = f"{identity.actor_uri}#votes/{vote.id}"
+                vote.save()
+                votes.append(vote)
+
+                if not post.local:
+                    question.options[choice].votes += 1
+
+            if not post.local:
+                question.voter_count += 1
+
+            post.calculate_type_data()
+
+        return votes
 
     ### ActivityPub (outbound) ###
 
@@ -233,10 +285,33 @@ class PostInteraction(StatorModel):
                 "actor": self.identity.actor_uri,
                 "object": self.post.object_uri,
             }
+        elif self.type == self.Types.vote:
+            value = {
+                "type": "Note",
+                "id": self.object_uri,
+                "to": self.post.author.actor_uri,
+                "name": self.value,
+                "inReplyTo": self.post.object_uri,
+                "attributedTo": self.identity.actor_uri,
+            }
         else:
             raise ValueError("Cannot turn into AP")
         return value
 
+    def to_create_ap(self):
+        """
+        Returns the AP JSON to create this object
+        """
+        object = self.to_ap()
+        return {
+            "to": object.get("to", []),
+            "cc": object.get("cc", []),
+            "type": "Create",
+            "id": self.object_uri,
+            "actor": self.identity.actor_uri,
+            "object": object,
+        }
+
     def to_undo_ap(self) -> dict:
         """
         Returns the AP JSON to undo this object
@@ -267,12 +342,40 @@ class PostInteraction(StatorModel):
                 # Resolve the author
                 identity = Identity.by_actor_uri(data["actor"], create=True)
                 # Resolve the post
-                post = Post.by_object_uri(get_str_or_id(data["object"]), fetch=True)
+                object = data["object"]
+                target = get_str_or_id(object, "inReplyTo") or get_str_or_id(object)
+                post = Post.by_object_uri(target, fetch=True)
+                value = None
                 # Get the right type
                 if data["type"].lower() == "like":
                     type = cls.Types.like
                 elif data["type"].lower() == "announce":
                     type = cls.Types.boost
+                elif (
+                    data["type"].lower() == "create"
+                    and object["type"].lower() == "note"
+                    and isinstance(post.type_data, QuestionData)
+                ):
+                    type = cls.Types.vote
+                    question = post.type_data
+                    value = object["name"]
+                    if question.end_time and timezone.now() > question.end_time:
+                        # TODO: Maybe create an expecific expired exception?
+                        raise cls.DoesNotExist(
+                            f"Cannot create a vote to the expired question {post.id}"
+                        )
+
+                    already_voted = (
+                        post.type_data.mode == "oneOf"
+                        and post.interactions.filter(
+                            type=cls.Types.vote, identity=identity
+                        ).exists()
+                    )
+                    if already_voted:
+                        raise cls.DoesNotExist(
+                            f"The identity {identity.handle} already voted in question {post.id}"
+                        )
+
                 else:
                     raise ValueError(f"Cannot handle AP type {data['type']}")
                 # Make the actual interaction
@@ -283,6 +386,7 @@ class PostInteraction(StatorModel):
                     published=parse_ld_date(data.get("published", None))
                     or timezone.now(),
                     type=type,
+                    value=value,
                 )
             else:
                 raise cls.DoesNotExist(f"No interaction with ID {data['id']}", data)
@@ -301,7 +405,9 @@ class PostInteraction(StatorModel):
                 # That post is gone, boss
                 # TODO: Limited retry state?
                 return
+
             interaction.post.calculate_stats()
+            interaction.post.calculate_type_data()
 
     @classmethod
     def handle_undo_ap(cls, data):
@@ -324,10 +430,11 @@ class PostInteraction(StatorModel):
             interaction.transition_perform(PostInteractionStates.undone_fanned_out)
             # Recalculate post stats
             interaction.post.calculate_stats()
+            interaction.post.calculate_type_data()
 
     ### Mastodon API ###
 
-    def to_mastodon_status_json(self, interactions=None):
+    def to_mastodon_status_json(self, interactions=None, identity=None):
         """
         This wraps Posts in a fake Status for boost interactions.
         """
@@ -336,7 +443,9 @@ class PostInteraction(StatorModel):
                 f"Cannot make status JSON for interaction of type {self.type}"
             )
         # Make a fake post for this boost (because mastodon treats boosts as posts)
-        post_json = self.post.to_mastodon_json(interactions=interactions)
+        post_json = self.post.to_mastodon_json(
+            interactions=interactions, identity=identity
+        )
         return {
             "id": f"{self.pk}",
             "uri": post_json["uri"],
@@ -356,7 +465,7 @@ class PostInteraction(StatorModel):
             "url": post_json["url"],
             "in_reply_to_id": None,
             "in_reply_to_account_id": None,
-            "poll": None,
+            "poll": post_json["poll"],
             "card": None,
             "language": None,
             "text": "",
diff --git a/activities/models/post_types.py b/activities/models/post_types.py
index a1536a2..b4e58f6 100644
--- a/activities/models/post_types.py
+++ b/activities/models/post_types.py
@@ -2,8 +2,11 @@ import json
 from datetime import datetime
 from typing import Literal
 
+from django.utils import timezone
 from pydantic import BaseModel, Field
 
+from core.ld import format_ld_date
+
 
 class BasePostDataType(BaseModel):
     pass
@@ -45,6 +48,51 @@ class QuestionData(BasePostDataType):
             data["options"] = options
         super().__init__(**data)
 
+    def to_mastodon_json(self, post, identity=None):
+        from activities.models import PostInteraction
+
+        multiple = self.mode == "anyOf"
+        value = {
+            "id": post.id,
+            "expires_at": None,
+            "expired": False,
+            "multiple": multiple,
+            "votes_count": 0,
+            "voters_count": self.voter_count if multiple else None,
+            "voted": False,
+            "own_votes": [],
+            "options": [],
+            "emojis": [],
+        }
+
+        if self.end_time:
+            value["expires_at"] = format_ld_date(self.end_time)
+            value["expired"] = timezone.now() >= self.end_time
+
+        options = self.options or []
+        option_map = {}
+        for index, option in enumerate(options):
+            value["options"].append(
+                {
+                    "title": option.name,
+                    "votes_count": option.votes,
+                }
+            )
+            value["votes_count"] += option.votes
+            option_map[option.name] = index
+
+        if identity:
+            votes = post.interactions.filter(
+                identity=identity,
+                type=PostInteraction.Types.vote,
+            )
+            value["voted"] = post.author == identity or votes.exists()
+            value["own_votes"] = [
+                option_map[vote.value] for vote in votes if vote.value in option_map
+            ]
+
+        return value
+
 
 class ArticleData(BasePostDataType):
     type: Literal["Article"]
diff --git a/activities/models/timeline_event.py b/activities/models/timeline_event.py
index eda9472..e94dd8e 100644
--- a/activities/models/timeline_event.py
+++ b/activities/models/timeline_event.py
@@ -221,12 +221,14 @@ class TimelineEvent(models.Model):
             raise ValueError(f"Cannot convert {self.type} to notification JSON")
         return result
 
-    def to_mastodon_status_json(self, interactions=None):
+    def to_mastodon_status_json(self, interactions=None, identity=None):
         if self.type == self.Types.post:
-            return self.subject_post.to_mastodon_json(interactions=interactions)
+            return self.subject_post.to_mastodon_json(
+                interactions=interactions, identity=identity
+            )
         elif self.type == self.Types.boost:
             return self.subject_post_interaction.to_mastodon_status_json(
-                interactions=interactions
+                interactions=interactions, identity=identity
             )
         else:
             raise ValueError(f"Cannot make status JSON for type {self.type}")
diff --git a/api/pagination.py b/api/pagination.py
index 2139e09..5e8fe73 100644
--- a/api/pagination.py
+++ b/api/pagination.py
@@ -153,7 +153,9 @@ class PaginationResult(Generic[T]):
         """
         interactions = PostInteraction.get_post_interactions(self.results, identity)
         self.jsonify_results(
-            lambda post: post.to_mastodon_json(interactions=interactions)
+            lambda post: post.to_mastodon_json(
+                interactions=interactions, identity=identity
+            )
         )
 
     def jsonify_status_events(self, identity):
@@ -162,7 +164,9 @@ class PaginationResult(Generic[T]):
         """
         interactions = PostInteraction.get_event_interactions(self.results, identity)
         self.jsonify_results(
-            lambda event: event.to_mastodon_status_json(interactions=interactions)
+            lambda event: event.to_mastodon_status_json(
+                interactions=interactions, identity=identity
+            )
         )
 
     def jsonify_notification_events(self, identity):
diff --git a/api/schemas.py b/api/schemas.py
index 5f07dd9..c40e00f 100644
--- a/api/schemas.py
+++ b/api/schemas.py
@@ -91,6 +91,32 @@ class MediaAttachment(Schema):
         return cls(**attachment.to_mastodon_json())
 
 
+class PollOptions(Schema):
+    title: str
+    votes_count: int | None
+
+
+class Poll(Schema):
+    id: str
+    expires_at: str | None
+    expired: bool
+    multiple: bool
+    votes_count: int
+    voters_count: int | None
+    voted: bool
+    own_votes: list[int]
+    options: list[PollOptions]
+    emojis: list[CustomEmoji]
+
+    @classmethod
+    def from_post(
+        cls,
+        post: activities_models.Post,
+        identity: users_models.Identity | None = None,
+    ) -> "Poll":
+        return cls(**post.type_data.to_mastodon_json(post, identity=identity))
+
+
 class StatusMention(Schema):
     id: str
     username: str
@@ -123,7 +149,7 @@ class Status(Schema):
     in_reply_to_id: str | None = Field(...)
     in_reply_to_account_id: str | None = Field(...)
     reblog: Optional["Status"] = Field(...)
-    poll: None = Field(...)
+    poll: Poll | None = Field(...)
     card: None = Field(...)
     language: None = Field(...)
     text: str | None = Field(...)
@@ -139,8 +165,11 @@ class Status(Schema):
         cls,
         post: activities_models.Post,
         interactions: dict[str, set[str]] | None = None,
+        identity: users_models.Identity | None = None,
     ) -> "Status":
-        return cls(**post.to_mastodon_json(interactions=interactions))
+        return cls(
+            **post.to_mastodon_json(interactions=interactions, identity=identity)
+        )
 
     @classmethod
     def map_from_post(
@@ -151,15 +180,23 @@ class Status(Schema):
         interactions = activities_models.PostInteraction.get_post_interactions(
             posts, identity
         )
-        return [cls.from_post(post, interactions=interactions) for post in posts]
+        return [
+            cls.from_post(post, interactions=interactions, identity=identity)
+            for post in posts
+        ]
 
     @classmethod
     def from_timeline_event(
         cls,
         timeline_event: activities_models.TimelineEvent,
         interactions: dict[str, set[str]] | None = None,
+        identity: users_models.Identity | None = None,
     ) -> "Status":
-        return cls(**timeline_event.to_mastodon_status_json(interactions=interactions))
+        return cls(
+            **timeline_event.to_mastodon_status_json(
+                interactions=interactions, identity=identity
+            )
+        )
 
     @classmethod
     def map_from_timeline_event(
@@ -171,7 +208,7 @@ class Status(Schema):
             events, identity
         )
         return [
-            cls.from_timeline_event(event, interactions=interactions)
+            cls.from_timeline_event(event, interactions=interactions, identity=identity)
             for event in events
         ]
 
diff --git a/api/urls.py b/api/urls.py
index a2ea0a6..47f2420 100644
--- a/api/urls.py
+++ b/api/urls.py
@@ -10,6 +10,7 @@ from api.views import (
     instance,
     media,
     notifications,
+    polls,
     search,
     statuses,
     timelines,
@@ -62,6 +63,9 @@ urlpatterns = [
     path("v1/statuses/<id>/source", statuses.status_source),
     # Notifications
     path("v1/notifications", notifications.notifications),
+    # Polls
+    path("v1/polls/<id>", polls.get_poll),
+    path("v1/polls/<id>/votes", polls.vote_poll),
     # Search
     path("v2/search", search.search),
     # Statuses
diff --git a/api/views/polls.py b/api/views/polls.py
new file mode 100644
index 0000000..2658061
--- /dev/null
+++ b/api/views/polls.py
@@ -0,0 +1,26 @@
+from django.shortcuts import get_object_or_404
+from hatchway import Schema, api_view
+
+from activities.models import Post, PostInteraction
+from api import schemas
+from api.decorators import identity_required
+
+
+class PostVoteSchema(Schema):
+    choices: list[int]
+
+
+@identity_required
+@api_view.get
+def get_poll(request, id: str) -> schemas.Poll:
+    post = get_object_or_404(Post, pk=id, type=Post.Types.question)
+    return schemas.Poll.from_post(post, identity=request.identity)
+
+
+@identity_required
+@api_view.post
+def vote_poll(request, id: str, details: PostVoteSchema) -> schemas.Poll:
+    post = get_object_or_404(Post, pk=id, type=Post.Types.question)
+    PostInteraction.create_votes(post, request.identity, details.choices)
+    post.refresh_from_db()
+    return schemas.Poll.from_post(post, identity=request.identity)
diff --git a/api/views/search.py b/api/views/search.py
index a3a675a..853d990 100644
--- a/api/views/search.py
+++ b/api/views/search.py
@@ -47,7 +47,9 @@ def search(
             search_result["posts"], request.identity
         )
         result["statuses"] = [
-            schemas.Status.from_post(p, interactions=interactions)
+            schemas.Status.from_post(
+                p, interactions=interactions, identity=request.identity
+            )
             for p in search_result["posts"]
         ]
     return schemas.Search(**result)
diff --git a/api/views/statuses.py b/api/views/statuses.py
index 0492c80..c473594 100644
--- a/api/views/statuses.py
+++ b/api/views/statuses.py
@@ -1,7 +1,9 @@
+from datetime import timedelta
 from typing import Literal
 
 from django.http import HttpRequest
 from django.shortcuts import get_object_or_404
+from django.utils import timezone
 from hatchway import ApiError, ApiResponse, Schema, api_view
 
 from activities.models import (
@@ -18,6 +20,24 @@ from api.pagination import MastodonPaginator, PaginationResult
 from core.models import Config
 
 
+class PostPollSchema(Schema):
+    options: list[str]
+    expires_in: int
+    multiple: bool = False
+    hide_totals: bool = False
+
+    def dict(self):
+        return {
+            "type": "Question",
+            "mode": "anyOf" if self.multiple else "oneOf",
+            "options": [
+                {"name": name, "type": "Note", "votes": 0} for name in self.options
+            ],
+            "voter_count": 0,
+            "end_time": timezone.now() + timedelta(seconds=self.expires_in),
+        }
+
+
 class PostStatusSchema(Schema):
     status: str
     in_reply_to_id: str | None = None
@@ -27,6 +47,7 @@ class PostStatusSchema(Schema):
     language: str | None = None
     scheduled_at: str | None = None
     media_ids: list[str] = []
+    poll: PostPollSchema | None = None
 
 
 class EditStatusSchema(Schema):
@@ -82,10 +103,11 @@ def post_status(request, details: PostStatusSchema) -> schemas.Status:
         visibility=visibility_map[details.visibility],
         reply_to=reply_post,
         attachments=attachments,
+        question=details.poll.dict() if details.poll else None,
     )
     # Add their own timeline event for immediate visibility
     TimelineEvent.add_post(request.identity, post)
-    return schemas.Status.from_post(post)
+    return schemas.Status.from_post(post, identity=request.identity)
 
 
 @identity_required
@@ -93,7 +115,9 @@ def post_status(request, details: PostStatusSchema) -> schemas.Status:
 def status(request, id: str) -> schemas.Status:
     post = post_for_id(request, id)
     interactions = PostInteraction.get_post_interactions([post], request.identity)
-    return schemas.Status.from_post(post, interactions=interactions)
+    return schemas.Status.from_post(
+        post, interactions=interactions, identity=request.identity
+    )
 
 
 @identity_required
@@ -121,7 +145,7 @@ def delete_status(request, id: str) -> schemas.Status:
     if post.author != request.identity:
         raise ApiError(401, "Not the author of this status")
     PostService(post).delete()
-    return schemas.Status.from_post(post)
+    return schemas.Status.from_post(post, identity=request.identity)
 
 
 @identity_required
@@ -142,11 +166,16 @@ def status_context(request, id: str) -> schemas.Context:
     )
     return schemas.Context(
         ancestors=[
-            schemas.Status.from_post(p, interactions=interactions)
+            schemas.Status.from_post(
+                p, interactions=interactions, identity=request.identity
+            )
             for p in reversed(ancestors)
         ],
         descendants=[
-            schemas.Status.from_post(p, interactions=interactions) for p in descendants
+            schemas.Status.from_post(
+                p, interactions=interactions, identity=request.identity
+            )
+            for p in descendants
         ],
     )
 
@@ -158,7 +187,9 @@ def favourite_status(request, id: str) -> schemas.Status:
     service = PostService(post)
     service.like_as(request.identity)
     interactions = PostInteraction.get_post_interactions([post], request.identity)
-    return schemas.Status.from_post(post, interactions=interactions)
+    return schemas.Status.from_post(
+        post, interactions=interactions, identity=request.identity
+    )
 
 
 @identity_required
@@ -168,7 +199,9 @@ def unfavourite_status(request, id: str) -> schemas.Status:
     service = PostService(post)
     service.unlike_as(request.identity)
     interactions = PostInteraction.get_post_interactions([post], request.identity)
-    return schemas.Status.from_post(post, interactions=interactions)
+    return schemas.Status.from_post(
+        post, interactions=interactions, identity=request.identity
+    )
 
 
 @api_view.get
@@ -219,7 +252,9 @@ def reblog_status(request, id: str) -> schemas.Status:
     service = PostService(post)
     service.boost_as(request.identity)
     interactions = PostInteraction.get_post_interactions([post], request.identity)
-    return schemas.Status.from_post(post, interactions=interactions)
+    return schemas.Status.from_post(
+        post, interactions=interactions, identity=request.identity
+    )
 
 
 @identity_required
@@ -229,4 +264,6 @@ def unreblog_status(request, id: str) -> schemas.Status:
     service = PostService(post)
     service.unboost_as(request.identity)
     interactions = PostInteraction.get_post_interactions([post], request.identity)
-    return schemas.Status.from_post(post, interactions=interactions)
+    return schemas.Status.from_post(
+        post, interactions=interactions, identity=request.identity
+    )
diff --git a/core/ld.py b/core/ld.py
index b15320f..bdb9fa2 100644
--- a/core/ld.py
+++ b/core/ld.py
@@ -626,14 +626,14 @@ def get_list(container, key) -> list:
     return value
 
 
-def get_str_or_id(value: str | dict | None) -> str | None:
+def get_str_or_id(value: str | dict | None, key: str = "id") -> str | None:
     """
     Given a value that could be a str or {"id": str}, return the str
     """
     if isinstance(value, str):
         return value
     elif isinstance(value, dict):
-        return value.get("id")
+        return value.get(key)
     return None
 
 
diff --git a/tests/activities/models/test_post.py b/tests/activities/models/test_post.py
index 0eb1fc5..6ebc766 100644
--- a/tests/activities/models/test_post.py
+++ b/tests/activities/models/test_post.py
@@ -2,6 +2,7 @@ import pytest
 from pytest_httpx import HTTPXMock
 
 from activities.models import Post, PostStates
+from activities.models.post_types import QuestionData
 from users.models import Identity, InboxMessage
 
 
@@ -254,6 +255,46 @@ def test_content_map(remote_identity):
     assert post3.content == "Hello World"
 
 
+@pytest.mark.django_db
+def test_content_map_question(remote_identity: Identity):
+    """
+    Tests post contentmap for questions
+    """
+    post = Post.by_ap(
+        data={
+            "id": "https://remote.test/posts/1/",
+            "type": "Question",
+            "votersCount": 10,
+            "closed": "2023-01-01T26:04:45Z",
+            "content": "Test Question",
+            "attributedTo": "https://remote.test/test-actor/",
+            "published": "2022-12-23T10:50:54Z",
+            "endTime": "2023-01-01T20:04:45Z",
+            "oneOf": [
+                {
+                    "type": "Note",
+                    "name": "Option 1",
+                    "replies": {
+                        "type": "Collection",
+                        "totalItems": 6,
+                    },
+                },
+                {
+                    "type": "Note",
+                    "name": "Option 2",
+                    "replies": {
+                        "type": "Collection",
+                        "totalItems": 4,
+                    },
+                },
+            ],
+        },
+        create=True,
+    )
+    assert post.content == "Test Question"
+    assert isinstance(post.type_data, QuestionData)
+
+
 @pytest.mark.django_db
 @pytest.mark.parametrize("delete_type", ["note", "tombstone", "ref"])
 def test_inbound_posts(
diff --git a/tests/activities/models/test_post_interaction.py b/tests/activities/models/test_post_interaction.py
new file mode 100644
index 0000000..ced7b4f
--- /dev/null
+++ b/tests/activities/models/test_post_interaction.py
@@ -0,0 +1,314 @@
+from datetime import timedelta
+
+import pytest
+from django.utils import timezone
+
+from activities.models import Post, PostInteraction
+from activities.models.post_types import QuestionData
+from core.ld import format_ld_date
+from users.models import Identity
+
+
+@pytest.mark.django_db
+def test_vote_in_question(identity: Identity, remote_identity: Identity, config_system):
+    post = Post.create_local(
+        author=identity,
+        content="<p>Test Question</p>",
+        question={
+            "type": "Question",
+            "mode": "oneOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 0},
+                {"name": "Option 2", "type": "Note", "votes": 0},
+            ],
+            "voter_count": 0,
+            "end_time": format_ld_date(timezone.now() + timedelta(1)),
+        },
+    )
+
+    PostInteraction.handle_ap(
+        data={
+            "id": "https://remote.test/test-actor#votes/11/activity",
+            "to": "https://example.com/@test@example.com/",
+            "type": "Create",
+            "actor": "https://remote.test/test-actor/",
+            "object": {
+                "id": "https://remote.test/users/test-actor#votes/11",
+                "to": "https://example.com/@test@example.com/",
+                "name": "Option 1",
+                "type": "Note",
+                "inReplyTo": post.object_uri,
+                "attributedTo": "https://remote.test/test-actor/",
+            },
+            "@context": [
+                "https://www.w3.org/ns/activitystreams",
+                {
+                    "toot": "http://joinmastodon.org/ns#",
+                    "Emoji": "toot:Emoji",
+                    "Public": "as:Public",
+                    "Hashtag": "as:Hashtag",
+                    "votersCount": "toot:votersCount",
+                },
+                "https://w3id.org/security/v1",
+            ],
+        },
+    )
+
+    post.refresh_from_db()
+
+    assert isinstance(post.type_data, QuestionData)
+    assert post.type_data.voter_count == 1
+    assert post.type_data.options
+    assert len(post.type_data.options) == 2
+    assert post.type_data.options[0].votes == 1
+    assert post.type_data.options[1].votes == 0
+
+
+@pytest.mark.django_db
+def test_vote_in_multiple_choice_question(
+    identity: Identity, remote_identity: Identity, config_system
+):
+    post = Post.create_local(
+        author=identity,
+        content="<p>Test Question</p>",
+        question={
+            "type": "Question",
+            "mode": "anyOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 0},
+                {"name": "Option 2", "type": "Note", "votes": 0},
+                {"name": "Option 3", "type": "Note", "votes": 0},
+            ],
+            "voter_count": 0,
+            "end_time": format_ld_date(timezone.now() + timedelta(1)),
+        },
+    )
+
+    PostInteraction.handle_ap(
+        data={
+            "id": "https://remote.test/test-actor#votes/12/activity",
+            "to": "https://example.com/@test@example.com/",
+            "type": "Create",
+            "actor": "https://remote.test/test-actor/",
+            "object": {
+                "id": "https://remote.test/users/test-actor#votes/12",
+                "to": "https://example.com/@test@example.com/",
+                "name": "Option 1",
+                "type": "Note",
+                "inReplyTo": post.object_uri,
+                "attributedTo": "https://remote.test/test-actor/",
+            },
+            "@context": [
+                "https://www.w3.org/ns/activitystreams",
+                {
+                    "toot": "http://joinmastodon.org/ns#",
+                    "Emoji": "toot:Emoji",
+                    "Public": "as:Public",
+                    "Hashtag": "as:Hashtag",
+                    "votersCount": "toot:votersCount",
+                },
+                "https://w3id.org/security/v1",
+            ],
+        },
+    )
+
+    PostInteraction.handle_ap(
+        data={
+            "id": "https://remote.test/test-actor#votes/13/activity",
+            "to": "https://example.com/@test@example.com/",
+            "type": "Create",
+            "actor": "https://remote.test/test-actor/",
+            "object": {
+                "id": "https://remote.test/users/test-actor#votes/13",
+                "to": "https://example.com/@test@example.com/",
+                "name": "Option 2",
+                "type": "Note",
+                "inReplyTo": post.object_uri,
+                "attributedTo": "https://remote.test/test-actor/",
+            },
+            "@context": [
+                "https://www.w3.org/ns/activitystreams",
+                {
+                    "toot": "http://joinmastodon.org/ns#",
+                    "Emoji": "toot:Emoji",
+                    "Public": "as:Public",
+                    "Hashtag": "as:Hashtag",
+                    "votersCount": "toot:votersCount",
+                },
+                "https://w3id.org/security/v1",
+            ],
+        },
+    )
+
+    post.refresh_from_db()
+
+    assert isinstance(post.type_data, QuestionData)
+    assert post.type_data.voter_count == 1
+    assert post.type_data.options
+    assert len(post.type_data.options) == 3
+    assert post.type_data.options[0].votes == 1
+    assert post.type_data.options[1].votes == 1
+    assert post.type_data.options[2].votes == 0
+
+
+@pytest.mark.django_db
+def test_multiple_votes_to_single_vote_question(
+    identity: Identity, remote_identity: Identity, config_system
+):
+    post = Post.create_local(
+        author=identity,
+        content="<p>Test Question</p>",
+        question={
+            "type": "Question",
+            "mode": "oneOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 0},
+                {"name": "Option 2", "type": "Note", "votes": 0},
+            ],
+            "voter_count": 0,
+            "end_time": format_ld_date(timezone.now() + timedelta(1)),
+        },
+    )
+
+    PostInteraction.by_ap(
+        data={
+            "id": "https://remote.test/test-actor#votes/14/activity",
+            "to": "https://example.com/@test@example.com/",
+            "type": "Create",
+            "actor": "https://remote.test/test-actor/",
+            "object": {
+                "id": "https://remote.test/users/test-actor#votes/14",
+                "to": "https://example.com/@test@example.com/",
+                "name": "Option 1",
+                "type": "Note",
+                "inReplyTo": post.object_uri,
+                "attributedTo": "https://remote.test/test-actor/",
+            },
+            "@context": [
+                "https://www.w3.org/ns/activitystreams",
+                {
+                    "toot": "http://joinmastodon.org/ns#",
+                    "Emoji": "toot:Emoji",
+                    "Public": "as:Public",
+                    "Hashtag": "as:Hashtag",
+                    "votersCount": "toot:votersCount",
+                },
+                "https://w3id.org/security/v1",
+            ],
+        },
+        create=True,
+    )
+
+    with pytest.raises(PostInteraction.DoesNotExist) as ex:
+        PostInteraction.by_ap(
+            data={
+                "id": "https://remote.test/test-actor#votes/15/activity",
+                "to": "https://example.com/@test@example.com/",
+                "type": "Create",
+                "actor": "https://remote.test/test-actor/",
+                "object": {
+                    "id": "https://remote.test/users/test-actor#votes/15",
+                    "to": "https://example.com/@test@example.com/",
+                    "name": "Option 2",
+                    "type": "Note",
+                    "inReplyTo": post.object_uri,
+                    "attributedTo": "https://remote.test/test-actor/",
+                },
+                "@context": [
+                    "https://www.w3.org/ns/activitystreams",
+                    {
+                        "toot": "http://joinmastodon.org/ns#",
+                        "Emoji": "toot:Emoji",
+                        "Public": "as:Public",
+                        "Hashtag": "as:Hashtag",
+                        "votersCount": "toot:votersCount",
+                    },
+                    "https://w3id.org/security/v1",
+                ],
+            },
+            create=True,
+        )
+        assert "already voted" in str(ex)
+
+
+@pytest.mark.django_db
+def test_vote_in_expired_question(
+    identity: Identity, remote_identity: Identity, config_system
+):
+    post = Post.create_local(
+        author=identity,
+        content="<p>Test Question</p>",
+        question={
+            "type": "Question",
+            "mode": "oneOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 0},
+                {"name": "Option 2", "type": "Note", "votes": 0},
+            ],
+            "voter_count": 0,
+            "end_time": "2022-01-01T23:04:45+00:00",
+        },
+    )
+
+    with pytest.raises(PostInteraction.DoesNotExist) as ex:
+        PostInteraction.by_ap(
+            data={
+                "id": "https://remote.test/test-actor#votes/16/activity",
+                "to": "https://example.com/@test@example.com/",
+                "type": "Create",
+                "actor": "https://remote.test/test-actor/",
+                "object": {
+                    "id": "https://remote.test/users/test-actor#votes/16",
+                    "to": "https://example.com/@test@example.com/",
+                    "name": "Option 1",
+                    "type": "Note",
+                    "inReplyTo": post.object_uri,
+                    "attributedTo": "https://remote.test/test-actor/",
+                },
+                "@context": [
+                    "https://www.w3.org/ns/activitystreams",
+                    {
+                        "toot": "http://joinmastodon.org/ns#",
+                        "Emoji": "toot:Emoji",
+                        "Public": "as:Public",
+                        "Hashtag": "as:Hashtag",
+                        "votersCount": "toot:votersCount",
+                    },
+                    "https://w3id.org/security/v1",
+                ],
+            },
+            create=True,
+        )
+        assert "Cannot create a vote to the expired question" in str(ex)
+
+
+@pytest.mark.django_db
+def test_vote_to_ap(identity: Identity, remote_identity: Identity, config_system):
+    post = Post.objects.create(
+        author=remote_identity,
+        local=False,
+        content="<p>Test Question</p>",
+        type_data={
+            "type": "Question",
+            "mode": "oneOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 6},
+                {"name": "Option 2", "type": "Note", "votes": 4},
+            ],
+            "voter_count": 10,
+            "end_time": format_ld_date(timezone.now() + timedelta(1)),
+        },
+    )
+    post.refresh_from_db()
+
+    interaction = PostInteraction.create_votes(
+        post=post,
+        identity=identity,
+        choices=[0],
+    )[0]
+
+    data = interaction.to_create_ap()
+    assert data["object"]["to"] == remote_identity.actor_uri
+    assert data["object"]["attributedTo"] == identity.actor_uri
+    assert data["object"]["name"] == "Option 1"
+    assert data["object"]["inReplyTo"] == post.object_uri
diff --git a/tests/api/test_polls.py b/tests/api/test_polls.py
new file mode 100644
index 0000000..4043078
--- /dev/null
+++ b/tests/api/test_polls.py
@@ -0,0 +1,62 @@
+from datetime import timedelta
+
+import pytest
+from django.utils import timezone
+
+from activities.models import Post
+from core.ld import format_ld_date
+
+
+@pytest.mark.django_db
+def test_get_poll(api_client):
+    response = api_client.post(
+        "/api/v1/statuses",
+        content_type="application/json",
+        data={
+            "status": "Hello, world!",
+            "poll": {
+                "options": ["Option 1", "Option 2"],
+                "expires_in": 300,
+            },
+        },
+    ).json()
+
+    id = response["id"]
+
+    response = api_client.get(
+        f"/api/v1/polls/{id}",
+    ).json()
+
+    assert response["id"] == id
+    assert response["voted"]
+
+
+@pytest.mark.django_db
+def test_vote_poll(api_client, identity2):
+    post = Post.create_local(
+        author=identity2,
+        content="<p>Test Question</p>",
+        question={
+            "type": "Question",
+            "mode": "oneOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 0},
+                {"name": "Option 2", "type": "Note", "votes": 0},
+            ],
+            "voter_count": 0,
+            "end_time": format_ld_date(timezone.now() + timedelta(1)),
+        },
+    )
+
+    response = api_client.post(
+        f"/api/v1/polls/{post.id}/votes",
+        content_type="application/json",
+        data={
+            "choices": [0],
+        },
+    ).json()
+
+    assert response["id"] == str(post.id)
+    assert response["voted"]
+    assert response["votes_count"] == 1
+    assert response["own_votes"] == [0]
diff --git a/tests/api/test_statuses.py b/tests/api/test_statuses.py
index 05ede30..4add2af 100644
--- a/tests/api/test_statuses.py
+++ b/tests/api/test_statuses.py
@@ -75,3 +75,68 @@ def test_mention_format(api_client, identity, remote_identity):
     assert (
         response["text"] == '<p>Hey <a href="https://example.com/@test/">@test</a></p>'
     )
+
+
+@pytest.mark.django_db
+def test_post_question_status(api_client):
+    response = api_client.post(
+        "/api/v1/statuses",
+        content_type="application/json",
+        data={
+            "status": "Hello, world!",
+            "poll": {
+                "options": ["Option 1", "Option 2"],
+                "expires_in": 300,
+            },
+        },
+    ).json()
+
+    assert response["poll"]["id"] == response["id"]
+    assert response["poll"]["options"] == [
+        {"title": "Option 1", "votes_count": 0},
+        {"title": "Option 2", "votes_count": 0},
+    ]
+    assert not response["poll"]["expired"]
+    assert not response["poll"]["multiple"]
+
+
+@pytest.mark.django_db
+def test_question_format(api_client, remote_identity):
+    """
+    Ensures incoming questions are property parsed.
+    """
+    # Make a remote question post and check it
+    post = Post.objects.create(
+        local=False,
+        author=remote_identity,
+        content="<p>Test Question</p>",
+        object_uri="https://remote.test/status/123456",
+        type=Post.Types.question,
+        type_data={
+            "type": "Question",
+            "mode": "oneOf",
+            "options": [
+                {"name": "Option 1", "type": "Note", "votes": 10},
+                {"name": "Option 2", "type": "Note", "votes": 20},
+            ],
+            "voter_count": 30,
+            "end_time": "2022-01-01T23:04:45+00:00",
+        },
+    )
+    response = api_client.get(f"/api/v1/statuses/{post.id}").json()
+    assert response["text"] == "<p>Test Question</p>"
+    assert response["poll"] == {
+        "id": str(post.id),
+        "expires_at": "2022-01-01T23:04:45.000Z",
+        "expired": True,
+        "multiple": False,
+        "votes_count": 30,
+        "voters_count": None,
+        "voted": False,
+        "own_votes": [],
+        "options": [
+            {"title": "Option 1", "votes_count": 10},
+            {"title": "Option 2", "votes_count": 20},
+        ],
+        "emojis": [],
+    }
diff --git a/users/models/inbox_message.py b/users/models/inbox_message.py
index 82a166b..4119aab 100644
--- a/users/models/inbox_message.py
+++ b/users/models/inbox_message.py
@@ -30,9 +30,15 @@ class InboxMessageStates(StateGraph):
             case "create":
                 match instance.message_object_type:
                     case "note":
-                        await sync_to_async(Post.handle_create_ap)(instance.message)
+                        if instance.message_object_has_content:
+                            await sync_to_async(Post.handle_create_ap)(instance.message)
+                        else:
+                            # Notes without content are Interaction candidates
+                            await sync_to_async(PostInteraction.handle_ap)(
+                                instance.message
+                            )
                     case "question":
-                        pass  # Drop for now
+                        await sync_to_async(Post.handle_create_ap)(instance.message)
                     case unknown:
                         if unknown in Post.Types.names:
                             await sync_to_async(Post.handle_create_ap)(instance.message)
@@ -213,3 +219,7 @@ class InboxMessage(StatorModel):
     @property
     def message_actor(self):
         return self.message.get("actor")
+
+    @property
+    def message_object_has_content(self):
+        return "content" in self.message.get("object", {})