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diff --git a/changelog.d/poll-voters-count-inflation.fix b/changelog.d/poll-voters-count-inflation.fix
new file mode 100644
index 000000000..7eae41f13
--- /dev/null
+++ b/changelog.d/poll-voters-count-inflation.fix
@@ -0,0 +1 @@
+Fix votersCount inflation when same voter picks multiple options
diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index f1e07a257..5e9314446 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -1,469 +1,477 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Object do
use Ecto.Schema
import Ecto.Query
import Ecto.Changeset
alias Pleroma.Activity
alias Pleroma.Config
alias Pleroma.Hashtag
alias Pleroma.Object
alias Pleroma.Object.Fetcher
alias Pleroma.ObjectTombstone
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Workers.AttachmentsCleanupWorker
require Logger
@type t() :: %__MODULE__{}
@derive {Jason.Encoder, only: [:data]}
@cachex Pleroma.Config.get([:cachex, :provider], Cachex)
schema "objects" do
field(:data, :map)
many_to_many(:hashtags, Hashtag, join_through: "hashtags_objects", on_replace: :delete)
timestamps()
end
def with_joined_activity(query, activity_type \\ "Create", join_type \\ :inner) do
object_position = Map.get(query.aliases, :object, 0)
join(query, join_type, [{object, object_position}], a in Activity,
on:
fragment(
"associated_object_id(?) = (? ->> 'id') AND (?->>'type' = ?) ",
a.data,
object.data,
a.data,
^activity_type
),
as: :object_activity
)
end
def create(data) do
%Object{}
|> Object.change(%{data: data})
|> Repo.insert()
end
def change(struct, params \\ %{}) do
struct
|> cast(params, [:data])
|> validate_required([:data])
|> unique_constraint(:ap_id, name: :objects_unique_apid_index)
# Expecting `maybe_handle_hashtags_change/1` to run last:
|> maybe_handle_hashtags_change(struct)
end
# Note: not checking activity type (assuming non-legacy objects are associated with Create act.)
defp maybe_handle_hashtags_change(changeset, struct) do
with %Ecto.Changeset{valid?: true} <- changeset,
data_hashtags_change = get_change(changeset, :data),
{_, true} <- {:changed, hashtags_changed?(struct, data_hashtags_change)},
{:ok, hashtag_records} <-
data_hashtags_change
|> object_data_hashtags()
|> Hashtag.get_or_create_by_names() do
put_assoc(changeset, :hashtags, hashtag_records)
else
%{valid?: false} ->
changeset
{:changed, false} ->
changeset
{:error, _} ->
validate_change(changeset, :data, fn _, _ ->
[data: "error referencing hashtags"]
end)
end
end
defp hashtags_changed?(%Object{} = struct, %{"tag" => _} = data) do
Enum.sort(embedded_hashtags(struct)) !=
Enum.sort(object_data_hashtags(data))
end
defp hashtags_changed?(_, _), do: false
def get_by_id(nil), do: nil
def get_by_id(id), do: Repo.get(Object, id)
def get_by_ap_id(nil), do: nil
def get_by_ap_id(ap_id) do
Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
@doc """
Get a single attachment by it's name and href
"""
@spec get_attachment_by_name_and_href(String.t(), String.t()) :: Object.t() | nil
def get_attachment_by_name_and_href(name, href) do
query =
from(o in Object,
where: fragment("(?)->>'name' = ?", o.data, ^name),
where: fragment("(?)->>'href' = ?", o.data, ^href)
)
Repo.one(query)
end
defp warn_on_no_object_preloaded(ap_id) do
"Object.normalize() called without preloaded object (#{inspect(ap_id)}). Consider preloading the object"
|> Logger.debug()
Logger.debug("Backtrace: #{inspect(Process.info(:erlang.self(), :current_stacktrace))}")
end
def normalize(_, options \\ [fetch: false])
# If we pass an Activity to Object.normalize(), we can try to use the preloaded object.
# Use this whenever possible, especially when walking graphs in an O(N) loop!
def normalize(%Object{} = object, _), do: object
def normalize(%Activity{object: %Object{} = object}, _), do: object
# A hack for fake activities
def normalize(%Activity{data: %{"object" => %{"fake" => true} = data}}, _) do
%Object{id: "pleroma:fake_object_id", data: data}
end
# No preloaded object
def normalize(%Activity{data: %{"object" => %{"id" => ap_id}}}, options) do
warn_on_no_object_preloaded(ap_id)
normalize(ap_id, options)
end
# No preloaded object
def normalize(%Activity{data: %{"object" => ap_id}}, options) do
warn_on_no_object_preloaded(ap_id)
normalize(ap_id, options)
end
# Old way, try fetching the object through cache.
def normalize(%{"id" => ap_id}, options), do: normalize(ap_id, options)
def normalize(ap_id, options) when is_binary(ap_id) do
cond do
Keyword.get(options, :fetch) ->
case Fetcher.fetch_object_from_id(ap_id, options) do
{:ok, object} -> object
_ -> nil
end
true ->
get_cached_by_ap_id(ap_id)
end
end
def normalize(_, _), do: nil
# Owned objects can only be accessed by their owner
def authorize_access(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}) do
if actor == ap_id do
:ok
else
{:error, :forbidden}
end
end
# Legacy objects can be accessed by anybody
def authorize_access(%Object{}, %User{}), do: :ok
@spec get_cached_by_ap_id(String.t()) :: Object.t() | nil
def get_cached_by_ap_id(ap_id) do
key = "object:#{ap_id}"
with {:ok, nil} <- @cachex.get(:object_cache, key),
object when not is_nil(object) <- get_by_ap_id(ap_id),
{:ok, true} <- @cachex.put(:object_cache, key, object) do
object
else
{:ok, object} -> object
nil -> nil
end
end
def make_tombstone(%Object{data: %{"id" => id, "type" => type}}, deleted \\ DateTime.utc_now()) do
%ObjectTombstone{
id: id,
formerType: type,
deleted: deleted
}
|> Map.from_struct()
end
def swap_object_with_tombstone(object) do
tombstone = make_tombstone(object)
with {:ok, object} <-
object
|> Object.change(%{data: tombstone})
|> Repo.update() do
Hashtag.unlink(object)
{:ok, object}
end
end
def delete(%Object{data: %{"id" => id}} = object) do
with {:ok, _obj} = swap_object_with_tombstone(object),
deleted_activity = Activity.delete_all_by_object_ap_id(id),
{:ok, _} <- invalid_object_cache(object) do
cleanup_attachments(
Config.get([:instance, :cleanup_attachments]),
object
)
{:ok, object, deleted_activity}
end
end
@spec cleanup_attachments(boolean(), Object.t()) ::
{:ok, Oban.Job.t() | nil}
def cleanup_attachments(true, %Object{} = object) do
AttachmentsCleanupWorker.new(%{"op" => "cleanup_attachments", "object" => object})
|> Oban.insert()
end
def cleanup_attachments(_, _), do: {:ok, nil}
def prune(%Object{data: %{"id" => _id}} = object) do
with {:ok, object} <- Repo.delete(object),
{:ok, _} <- invalid_object_cache(object) do
{:ok, object}
end
end
def invalid_object_cache(%Object{data: %{"id" => id}}) do
with {:ok, true} <- @cachex.del(:object_cache, "object:#{id}") do
@cachex.del(:web_resp_cache, URI.parse(id).path)
end
end
def set_cache(%Object{data: %{"id" => ap_id}} = object) do
@cachex.put(:object_cache, "object:#{ap_id}", object)
{:ok, object}
end
def update_and_set_cache(changeset) do
with {:ok, object} <- Repo.update(changeset) do
set_cache(object)
end
end
def increase_replies_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
|> update([o],
set: [
data:
fragment(
"""
safe_jsonb_set(?, '{repliesCount}',
(coalesce((?->>'repliesCount')::int, 0) + 1)::varchar::jsonb, true)
""",
o.data,
o.data
)
]
)
|> Repo.update_all([])
|> case do
{1, [object]} -> set_cache(object)
_ -> {:error, "Not found"}
end
end
defp poll_is_multiple?(%Object{data: %{"anyOf" => [_ | _]}}), do: true
defp poll_is_multiple?(_), do: false
def decrease_replies_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
|> update([o],
set: [
data:
fragment(
"""
safe_jsonb_set(?, '{repliesCount}',
(greatest(0, (?->>'repliesCount')::int - 1))::varchar::jsonb, true)
""",
o.data,
o.data
)
]
)
|> Repo.update_all([])
|> case do
{1, [object]} -> set_cache(object)
_ -> {:error, "Not found"}
end
end
def increase_quotes_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
|> update([o],
set: [
data:
fragment(
"""
safe_jsonb_set(?, '{quotesCount}',
(coalesce((?->>'quotesCount')::int, 0) + 1)::varchar::jsonb, true)
""",
o.data,
o.data
)
]
)
|> Repo.update_all([])
|> case do
{1, [object]} -> set_cache(object)
_ -> {:error, "Not found"}
end
end
def decrease_quotes_count(ap_id) do
Object
|> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
|> update([o],
set: [
data:
fragment(
"""
safe_jsonb_set(?, '{quotesCount}',
(greatest(0, (?->>'quotesCount')::int - 1))::varchar::jsonb, true)
""",
o.data,
o.data
)
]
)
|> Repo.update_all([])
|> case do
{1, [object]} -> set_cache(object)
_ -> {:error, "Not found"}
end
end
def increase_vote_count(ap_id, name, actor) do
with %Object{} = object <- Object.normalize(ap_id, fetch: false),
"Question" <- object.data["type"] do
key = if poll_is_multiple?(object), do: "anyOf", else: "oneOf"
options =
object.data[key]
|> Enum.map(fn
%{"name" => ^name} = option ->
Kernel.update_in(option["replies"]["totalItems"], &(&1 + 1))
option ->
option
end)
- voters = [actor | object.data["voters"] || []] |> Enum.uniq()
+ existing_voters = object.data["voters"] || []
+ voters = [actor | existing_voters] |> Enum.uniq()
+ new_voter? = actor not in existing_voters
+ existing_voters_count = object.data["votersCount"]
voters_count =
- if Map.has_key?(object.data, "votersCount") do
- object.data["votersCount"] + 1
- else
- length(voters)
+ cond do
+ is_integer(existing_voters_count) and new_voter? ->
+ existing_voters_count + 1
+
+ is_integer(existing_voters_count) ->
+ existing_voters_count
+
+ true ->
+ length(voters)
end
data =
object.data
|> Map.put(key, options)
|> Map.put("voters", voters)
|> Map.put("votersCount", voters_count)
object
|> Object.change(%{data: data})
|> update_and_set_cache()
else
_ -> :noop
end
end
@doc "Updates data field of an object"
def update_data(%Object{data: data} = object, attrs \\ %{}) do
object
|> Object.change(%{data: Map.merge(data || %{}, attrs)})
|> Repo.update()
end
def local?(%Object{data: %{"id" => id}}) do
String.starts_with?(id, Pleroma.Web.Endpoint.url() <> "/")
end
def tags(%Object{data: %{"tag" => tags}}) when is_list(tags), do: tags
def tags(_), do: []
def hashtags(%Object{} = object) do
# Note: always using embedded hashtags regardless whether they are migrated to hashtags table
# (embedded hashtags stay in sync anyways, and we avoid extra joins and preload hassle)
embedded_hashtags(object)
end
def embedded_hashtags(%Object{data: data}) do
object_data_hashtags(data)
end
def embedded_hashtags(_), do: []
def object_data_hashtags(%{"tag" => tags}) when is_list(tags) do
tags
|> Enum.filter(fn
%{"type" => "Hashtag"} = data -> Map.has_key?(data, "name")
plain_text when is_bitstring(plain_text) -> true
_ -> false
end)
|> Enum.map(fn
%{"name" => "#" <> hashtag} -> String.downcase(hashtag)
%{"name" => hashtag} -> String.downcase(hashtag)
hashtag when is_bitstring(hashtag) -> String.downcase(hashtag)
end)
|> Enum.uniq()
# Note: "" elements (plain text) might occur in `data.tag` for incoming objects
|> Enum.filter(&(&1 not in [nil, ""]))
end
def object_data_hashtags(_), do: []
def get_emoji_reactions(object) do
reactions = object.data["reactions"]
if is_list(reactions) or is_map(reactions) do
reactions
|> Enum.map(fn
[_emoji, users, _maybe_url] = item when is_list(users) ->
item
[emoji, users] when is_list(users) ->
[emoji, users, nil]
# This case is here to process the Map situation, which will happen
# only with the legacy two-value format.
{emoji, users} when is_list(users) ->
[emoji, users, nil]
_ ->
nil
end)
|> Enum.reject(&is_nil/1)
else
[]
end
end
end
diff --git a/lib/pleroma/web/mastodon_api/views/poll_view.ex b/lib/pleroma/web/mastodon_api/views/poll_view.ex
index 3b4271227..f047804e2 100644
--- a/lib/pleroma/web/mastodon_api/views/poll_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/poll_view.ex
@@ -1,107 +1,107 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.PollView do
use Pleroma.Web, :view
alias Pleroma.Web.CommonAPI.Utils
def render("show.json", %{object: object, multiple: multiple, options: options} = params) do
{end_time, expired} = end_time_and_expired(object)
{options, votes_count} = options_and_votes_count(options)
poll = %{
# Mastodon uses separate ids for polls, but an object can't have
# more than one poll embedded so object id is fine
id: to_string(object.id),
expires_at: end_time,
expired: expired,
multiple: multiple,
votes_count: votes_count,
voters_count: voters_count(object),
options: options,
emojis: Pleroma.Web.MastodonAPI.StatusView.build_emojis(object.data["emoji"]),
pleroma: %{
non_anonymous: object.data["nonAnonymous"] || false
}
}
if params[:for] do
# when unauthenticated Mastodon doesn't include `voted` & `own_votes` keys in response
{voted, own_votes} = voted_and_own_votes(params, options)
Map.merge(poll, %{voted: voted, own_votes: own_votes})
else
poll
end
end
def render("show.json", %{object: object} = params) do
case object.data do
%{"anyOf" => [_ | _] = options} ->
render(__MODULE__, "show.json", Map.merge(params, %{multiple: true, options: options}))
%{"oneOf" => [_ | _] = options} ->
render(__MODULE__, "show.json", Map.merge(params, %{multiple: false, options: options}))
_ ->
nil
end
end
defp end_time_and_expired(object) do
if object.data["closed"] do
end_time = NaiveDateTime.from_iso8601!(object.data["closed"])
expired = NaiveDateTime.compare(end_time, NaiveDateTime.utc_now()) == :lt
{Utils.to_masto_date(end_time), expired}
else
{nil, false}
end
end
defp options_and_votes_count(options) do
Enum.map_reduce(options, 0, fn %{"name" => name} = option, count ->
current_count = option["replies"]["totalItems"] || 0
{%{
title: name,
votes_count: current_count
}, current_count + count}
end)
end
+ defp voters_count(%{data: %{"votersCount" => voters}}) when is_integer(voters), do: voters
+
defp voters_count(%{data: %{"voters" => [_ | _] = voters}}) do
length(voters)
end
- defp voters_count(%{data: %{"votersCount" => voters}}), do: voters
-
defp voters_count(_), do: 0
defp voted_and_own_votes(%{object: object} = params, options) do
if params[:for] do
existing_votes =
Pleroma.Web.ActivityPub.Utils.get_existing_votes(params[:for].ap_id, object)
voted = existing_votes != [] or params[:for].ap_id == object.data["actor"]
own_votes =
if voted do
titles = Enum.map(options, & &1[:title])
Enum.reduce(existing_votes, [], fn vote, acc ->
data = vote |> Map.get(:object) |> Map.get(:data)
index = Enum.find_index(titles, &(&1 == data["name"]))
[index | acc]
end)
else
[]
end
{voted, own_votes}
else
{false, []}
end
end
end
diff --git a/test/pleroma/web/mastodon_api/views/poll_view_test.exs b/test/pleroma/web/mastodon_api/views/poll_view_test.exs
index 16281393d..6cb5934de 100644
--- a/test/pleroma/web/mastodon_api/views/poll_view_test.exs
+++ b/test/pleroma/web/mastodon_api/views/poll_view_test.exs
@@ -1,183 +1,358 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.PollViewTest do
use Pleroma.DataCase
alias Pleroma.Object
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.MastodonAPI.PollView
import Pleroma.Factory
import Tesla.Mock
setup do
mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
:ok
end
test "renders a poll" do
user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
status: "Is Tenshi eating a corndog cute?",
poll: %{
options: ["absolutely!", "sure", "yes", "why are you even asking?"],
expires_in: 20
}
})
object = Object.normalize(activity, fetch: false)
expected = %{
emojis: [],
expired: false,
id: to_string(object.id),
multiple: false,
options: [
%{title: "absolutely!", votes_count: 0},
%{title: "sure", votes_count: 0},
%{title: "yes", votes_count: 0},
%{title: "why are you even asking?", votes_count: 0}
],
votes_count: 0,
voters_count: 0,
pleroma: %{non_anonymous: false}
}
result = PollView.render("show.json", %{object: object})
expires_at = result.expires_at
result = Map.delete(result, :expires_at)
assert result == expected
expires_at = NaiveDateTime.from_iso8601!(expires_at)
assert NaiveDateTime.diff(expires_at, NaiveDateTime.utc_now()) in 15..20
end
test "detects if it is multiple choice" do
user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
status: "Which Mastodon developer is your favourite?",
poll: %{
options: ["Gargron", "Eugen"],
expires_in: 20,
multiple: true
}
})
voter = insert(:user)
object = Object.normalize(activity, fetch: false)
{:ok, _votes, object} = CommonAPI.vote(object, voter, [0, 1])
assert match?(
%{
multiple: true,
voters_count: 1,
votes_count: 2
},
PollView.render("show.json", %{object: object})
)
end
test "detects emoji" do
user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
status: "What's with the smug face?",
poll: %{
options: [":blank: sip", ":blank::blank: sip", ":blank::blank::blank: sip"],
expires_in: 20
}
})
object = Object.normalize(activity, fetch: false)
assert %{emojis: [%{shortcode: "blank"}]} = PollView.render("show.json", %{object: object})
end
test "detects vote status" do
user = insert(:user)
other_user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
status: "Which input devices do you use?",
poll: %{
options: ["mouse", "trackball", "trackpoint"],
multiple: true,
expires_in: 20
}
})
object = Object.normalize(activity, fetch: false)
{:ok, _, object} = CommonAPI.vote(object, other_user, [1, 2])
result = PollView.render("show.json", %{object: object, for: other_user})
assert result[:voted] == true
assert 1 in result[:own_votes]
assert 2 in result[:own_votes]
assert Enum.at(result[:options], 1)[:votes_count] == 1
assert Enum.at(result[:options], 2)[:votes_count] == 1
end
test "does not crash on polls with no end date" do
object = Object.normalize("https://skippers-bin.com/notes/7x9tmrp97i", fetch: true)
result = PollView.render("show.json", %{object: object})
assert result[:expires_at] == nil
assert result[:expired] == false
end
test "doesn't strips HTML tags" do
user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
status: "What's with the smug face?",
poll: %{
options: [
"<input type=\"date\">",
"<input type=\"date\" >",
"<input type=\"date\"/>",
"<input type=\"date\"></input>"
],
expires_in: 20
}
})
object = Object.normalize(activity, fetch: false)
assert %{
options: [
%{title: "<input type=\"date\">", votes_count: 0},
%{title: "<input type=\"date\" >", votes_count: 0},
%{title: "<input type=\"date\"/>", votes_count: 0},
%{title: "<input type=\"date\"></input>", votes_count: 0}
]
} = PollView.render("show.json", %{object: object})
end
test "displays correct voters count" do
object = Object.normalize("https://friends.grishka.me/posts/54642", fetch: true)
result = PollView.render("show.json", %{object: object})
assert result[:voters_count] == 14
end
test "detects that poll is non anonymous" do
object = Object.normalize("https://friends.grishka.me/posts/54642", fetch: true)
result = PollView.render("show.json", %{object: object})
assert result[:pleroma][:non_anonymous] == true
end
+
+ test "prefers votersCount over voters list when both are present" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Which flavor?",
+ poll: %{options: ["chocolate", "vanilla"], expires_in: 20}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ voter = insert(:user)
+ {:ok, _, object} = CommonAPI.vote(object, voter, [0])
+
+ assert object.data["votersCount"] == 1
+ assert length(object.data["voters"]) == 1
+
+ object = %{
+ object
+ | data: Map.put(object.data, "votersCount", 42)
+ }
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == 42
+ end
+
+ test "falls back to voters list when votersCount is absent" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Which flavor?",
+ poll: %{options: ["chocolate", "vanilla"], expires_in: 20}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ voter = insert(:user)
+ {:ok, _, object} = CommonAPI.vote(object, voter, [0])
+
+ assert length(object.data["voters"]) == 1
+
+ data = Map.delete(object.data, "votersCount")
+ object = %{object | data: data}
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == 1
+ end
+
+ test "returns 0 when both votersCount and voters are absent" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Which flavor?",
+ poll: %{options: ["chocolate", "vanilla"], expires_in: 20}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ data =
+ object.data
+ |> Map.delete("votersCount")
+ |> Map.delete("voters")
+
+ object = %{object | data: data}
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == 0
+ end
+
+ test "returns 0 when voters list is empty" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Which flavor?",
+ poll: %{options: ["chocolate", "vanilla"], expires_in: 20}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ data =
+ object.data
+ |> Map.delete("votersCount")
+ |> Map.put("voters", [])
+
+ object = %{object | data: data}
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == 0
+ end
+
+ test "does not inflate votersCount when same voter picks multiple options" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Pick several",
+ poll: %{options: ["a", "b", "c"], expires_in: 20, multiple: true}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ voter = insert(:user)
+ {:ok, _, object} = CommonAPI.vote(object, voter, [0, 2])
+
+ assert object.data["votersCount"] == 1
+ assert length(object.data["voters"]) == 1
+ end
+
+ test "preserves votersCount from remote source when existing voter picks another option" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Pick several",
+ poll: %{options: ["a", "b"], expires_in: 20, multiple: true}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ voter = insert(:user)
+ {:ok, _, object} = CommonAPI.vote(object, voter, [0, 1])
+
+ object = %{object | data: Map.put(object.data, "votersCount", 14)}
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == 14
+ end
+
+ test "returns 0 when votersCount is explicitly 0" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Pick one",
+ poll: %{options: ["a", "b"], expires_in: 20}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ object = %{object | data: Map.put(object.data, "votersCount", 0)}
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == 0
+ end
+
+ test "falls back to voters list when votersCount is nil" do
+ user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ status: "Pick one",
+ poll: %{options: ["a", "b"], expires_in: 20}
+ })
+
+ object = Object.normalize(activity, fetch: false)
+
+ voter = insert(:user)
+ {:ok, _, object} = CommonAPI.vote(object, voter, [0])
+
+ object = %{object | data: Map.put(object.data, "votersCount", nil)}
+
+ result = PollView.render("show.json", %{object: object})
+
+ assert result[:voters_count] == length(object.data["voters"])
+ end
end

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