revert 4a94c9a31e
ci/woodpecker/push/woodpecker Pipeline is pending Details

revert Add ability to follow hashtags (#336)

Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: #336
This commit is contained in:
floatingghost 2022-12-04 20:04:09 +00:00
parent 4c3971aebd
commit ec6bf8c3f7
18 changed files with 3 additions and 560 deletions

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@ -471,15 +471,9 @@ defmodule Mix.Tasks.Pleroma.User do
def run(["timeline_query", nickname]) do
start_pleroma()
params = %{local: true}
with %User{local: true} = user <- User.get_cached_by_nickname(nickname) do
followed_hashtags =
user
|> User.followed_hashtags()
|> Enum.map(& &1.id)
params =
params
|> Map.put(:type, ["Create", "Announce"])
@ -490,7 +484,6 @@ defmodule Mix.Tasks.Pleroma.User do
|> Map.put(:announce_filtering_user, user)
|> Map.put(:user, user)
|> Map.put(:local_only, params[:local])
|> Map.put(:hashtags, followed_hashtags)
|> Map.delete(:local)
_activities =

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@ -10,7 +10,6 @@ defmodule Pleroma.Hashtag do
alias Ecto.Multi
alias Pleroma.Hashtag
alias Pleroma.User.HashtagFollow
alias Pleroma.Object
alias Pleroma.Repo
@ -28,14 +27,6 @@ defmodule Pleroma.Hashtag do
|> String.trim()
end
def get_by_id(id) do
Repo.get(Hashtag, id)
end
def get_by_name(name) do
Repo.get_by(Hashtag, name: normalize_name(name))
end
def get_or_create_by_name(name) do
changeset = changeset(%Hashtag{}, %{name: name})
@ -112,22 +103,4 @@ defmodule Pleroma.Hashtag do
{:ok, deleted_count}
end
end
def get_followers(%Hashtag{id: hashtag_id}) do
from(hf in HashtagFollow)
|> where([hf], hf.hashtag_id == ^hashtag_id)
|> join(:inner, [hf], u in assoc(hf, :user))
|> select([hf, u], u.id)
|> Repo.all()
end
def get_recipients_for_activity(%Pleroma.Activity{object: %{hashtags: tags}})
when is_list(tags) do
tags
|> Enum.map(&get_followers/1)
|> List.flatten()
|> Enum.uniq()
end
def get_recipients_for_activity(_activity), do: []
end

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@ -18,8 +18,6 @@ defmodule Pleroma.User do
alias Pleroma.Emoji
alias Pleroma.FollowingRelationship
alias Pleroma.Formatter
alias Pleroma.Hashtag
alias Pleroma.User.HashtagFollow
alias Pleroma.HTML
alias Pleroma.Keys
alias Pleroma.MFA
@ -170,12 +168,6 @@ defmodule Pleroma.User do
has_many(:frontend_profiles, Pleroma.Akkoma.FrontendSettingsProfile)
many_to_many(:followed_hashtags, Hashtag,
on_replace: :delete,
on_delete: :delete_all,
join_through: HashtagFollow
)
for {relationship_type,
[
{outgoing_relation, outgoing_relation_target},
@ -2558,54 +2550,4 @@ defmodule Pleroma.User do
_ -> {:error, user}
end
end
defp maybe_load_followed_hashtags(%User{followed_hashtags: follows} = user)
when is_list(follows),
do: user
defp maybe_load_followed_hashtags(%User{} = user) do
followed_hashtags = HashtagFollow.get_by_user(user)
%{user | followed_hashtags: followed_hashtags}
end
def followed_hashtags(%User{followed_hashtags: follows})
when is_list(follows),
do: follows
def followed_hashtags(%User{} = user) do
{:ok, user} =
user
|> maybe_load_followed_hashtags()
|> set_cache()
user.followed_hashtags
end
def follow_hashtag(%User{} = user, %Hashtag{} = hashtag) do
Logger.debug("Follow hashtag #{hashtag.name} for user #{user.nickname}")
user = maybe_load_followed_hashtags(user)
with {:ok, _} <- HashtagFollow.new(user, hashtag),
follows <- HashtagFollow.get_by_user(user),
%User{} = user <- user |> Map.put(:followed_hashtags, follows) do
user
|> set_cache()
end
end
def unfollow_hashtag(%User{} = user, %Hashtag{} = hashtag) do
Logger.debug("Unfollow hashtag #{hashtag.name} for user #{user.nickname}")
user = maybe_load_followed_hashtags(user)
with {:ok, _} <- HashtagFollow.delete(user, hashtag),
follows <- HashtagFollow.get_by_user(user),
%User{} = user <- user |> Map.put(:followed_hashtags, follows) do
user
|> set_cache()
end
end
def following_hashtag?(%User{} = user, %Hashtag{} = hashtag) do
not is_nil(HashtagFollow.get(user, hashtag))
end
end

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@ -1,49 +0,0 @@
defmodule Pleroma.User.HashtagFollow do
use Ecto.Schema
import Ecto.Query
import Ecto.Changeset
alias Pleroma.User
alias Pleroma.Hashtag
alias Pleroma.Repo
schema "user_follows_hashtag" do
belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
belongs_to(:hashtag, Hashtag)
end
def changeset(%__MODULE__{} = user_hashtag_follow, attrs) do
user_hashtag_follow
|> cast(attrs, [:user_id, :hashtag_id])
|> unique_constraint(:hashtag_id,
name: :user_hashtag_follows_user_id_hashtag_id_index,
message: "already following"
)
|> validate_required([:user_id, :hashtag_id])
end
def new(%User{} = user, %Hashtag{} = hashtag) do
%__MODULE__{}
|> changeset(%{user_id: user.id, hashtag_id: hashtag.id})
|> Repo.insert(on_conflict: :nothing)
end
def delete(%User{} = user, %Hashtag{} = hashtag) do
with %__MODULE__{} = user_hashtag_follow <- get(user, hashtag) do
Repo.delete(user_hashtag_follow)
else
_ -> {:ok, nil}
end
end
def get(%User{} = user, %Hashtag{} = hashtag) do
from(hf in __MODULE__)
|> where([hf], hf.user_id == ^user.id and hf.hashtag_id == ^hashtag.id)
|> Repo.one()
end
def get_by_user(%User{} = user) do
Ecto.assoc(user, :followed_hashtags)
|> Repo.all()
end
end

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@ -933,29 +933,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
)
end
# Essentially, either look for activities addressed to `recipients`, _OR_ ones
# that reference a hashtag that the user follows
# Firstly, two fallbacks in case there's no hashtag constraint, or the user doesn't
# follow any
defp restrict_recipients_or_hashtags(query, recipients, user, nil) do
restrict_recipients(query, recipients, user)
end
defp restrict_recipients_or_hashtags(query, recipients, user, []) do
restrict_recipients(query, recipients, user)
end
defp restrict_recipients_or_hashtags(query, recipients, _user, hashtag_ids) do
from(
[activity, object] in query,
join: hto in "hashtags_objects",
on: hto.object_id == object.id,
where:
(hto.hashtag_id in ^hashtag_ids and ^Constants.as_public() in activity.recipients) or
fragment("? && ?", ^recipients, activity.recipients)
)
end
defp restrict_local(query, %{local_only: true}) do
from(activity in query, where: activity.local == true)
end
@ -1403,7 +1380,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
|> maybe_preload_report_notes(opts)
|> maybe_set_thread_muted_field(opts)
|> maybe_order(opts)
|> restrict_recipients_or_hashtags(recipients, opts[:user], opts[:followed_hashtags])
|> restrict_recipients(recipients, opts[:user])
|> restrict_replies(opts)
|> restrict_since(opts)
|> restrict_local(opts)

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@ -1,65 +0,0 @@
defmodule Pleroma.Web.ApiSpec.TagOperation do
alias OpenApiSpex.Operation
alias OpenApiSpex.Schema
alias Pleroma.Web.ApiSpec.Schemas.ApiError
alias Pleroma.Web.ApiSpec.Schemas.Tag
def open_api_operation(action) do
operation = String.to_existing_atom("#{action}_operation")
apply(__MODULE__, operation, [])
end
def show_operation do
%Operation{
tags: ["Tags"],
summary: "Hashtag",
description: "View a hashtag",
security: [%{"oAuth" => ["read"]}],
parameters: [id_param()],
operationId: "TagController.show",
responses: %{
200 => Operation.response("Hashtag", "application/json", Tag),
404 => Operation.response("Not Found", "application/json", ApiError)
}
}
end
def follow_operation do
%Operation{
tags: ["Tags"],
summary: "Follow a hashtag",
description: "Follow a hashtag",
security: [%{"oAuth" => ["write:follows"]}],
parameters: [id_param()],
operationId: "TagController.follow",
responses: %{
200 => Operation.response("Hashtag", "application/json", Tag),
404 => Operation.response("Not Found", "application/json", ApiError)
}
}
end
def unfollow_operation do
%Operation{
tags: ["Tags"],
summary: "Unfollow a hashtag",
description: "Unfollow a hashtag",
security: [%{"oAuth" => ["write:follow"]}],
parameters: [id_param()],
operationId: "TagController.unfollow",
responses: %{
200 => Operation.response("Hashtag", "application/json", Tag),
404 => Operation.response("Not Found", "application/json", ApiError)
}
}
end
defp id_param do
Operation.parameter(
:id,
:path,
%Schema{type: :string},
"Name of the hashtag"
)
end
end

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@ -17,16 +17,11 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Tag do
type: :string,
format: :uri,
description: "A link to the hashtag on the instance"
},
following: %Schema{
type: :boolean,
description: "Whether the authenticated user is following the hashtag"
}
},
example: %{
name: "cofe",
url: "https://lain.com/tag/cofe",
following: false
url: "https://lain.com/tag/cofe"
}
})
end

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@ -1,47 +0,0 @@
defmodule Pleroma.Web.MastodonAPI.TagController do
@moduledoc "Hashtag routes for mastodon API"
use Pleroma.Web, :controller
alias Pleroma.User
alias Pleroma.Hashtag
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(Pleroma.Web.Plugs.OAuthScopesPlug, %{scopes: ["read"]} when action in [:show])
plug(
Pleroma.Web.Plugs.OAuthScopesPlug,
%{scopes: ["write:follows"]} when action in [:follow, :unfollow]
)
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.TagOperation
def show(conn, %{id: id}) do
with %Hashtag{} = hashtag <- Hashtag.get_by_name(id) do
render(conn, "show.json", tag: hashtag, for_user: conn.assigns.user)
else
_ -> conn |> render_error(:not_found, "Hashtag not found")
end
end
def follow(conn, %{id: id}) do
with %Hashtag{} = hashtag <- Hashtag.get_by_name(id),
%User{} = user <- conn.assigns.user,
{:ok, _} <-
User.follow_hashtag(user, hashtag) do
render(conn, "show.json", tag: hashtag, for_user: user)
else
_ -> render_error(conn, :not_found, "Hashtag not found")
end
end
def unfollow(conn, %{id: id}) do
with %Hashtag{} = hashtag <- Hashtag.get_by_name(id),
%User{} = user <- conn.assigns.user,
{:ok, _} <-
User.unfollow_hashtag(user, hashtag) do
render(conn, "show.json", tag: hashtag, for_user: user)
else
_ -> render_error(conn, :not_found, "Hashtag not found")
end
end
end

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@ -41,11 +41,6 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
# GET /api/v1/timelines/home
def home(%{assigns: %{user: user}} = conn, params) do
followed_hashtags =
user
|> User.followed_hashtags()
|> Enum.map(& &1.id)
params =
params
|> Map.put(:type, ["Create", "Announce"])
@ -55,7 +50,6 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
|> Map.put(:announce_filtering_user, user)
|> Map.put(:user, user)
|> Map.put(:local_only, params[:local])
|> Map.put(:followed_hashtags, followed_hashtags)
|> Map.delete(:local)
activities =

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@ -1,21 +0,0 @@
defmodule Pleroma.Web.MastodonAPI.TagView do
use Pleroma.Web, :view
alias Pleroma.User
alias Pleroma.Web.Router.Helpers
def render("show.json", %{tag: tag, for_user: user}) do
following =
with %User{} <- user do
User.following_hashtag?(user, tag)
else
_ -> false
end
%{
name: tag.name,
url: Helpers.tag_feed_url(Pleroma.Web.Endpoint, :feed, tag.name),
history: [],
following: following
}
end
end

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@ -598,10 +598,6 @@ defmodule Pleroma.Web.Router do
get("/announcements", AnnouncementController, :index)
post("/announcements/:id/dismiss", AnnouncementController, :mark_read)
get("/tags/:id", TagController, :show)
post("/tags/:id/follow", TagController, :follow)
post("/tags/:id/unfollow", TagController, :unfollow)
end
scope "/api/web", Pleroma.Web do

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@ -17,7 +17,6 @@ defmodule Pleroma.Web.Streamer do
alias Pleroma.Web.OAuth.Token
alias Pleroma.Web.Plugs.OAuthScopesPlug
alias Pleroma.Web.StreamerView
require Pleroma.Constants
@mix_env Mix.env()
@registry Pleroma.Web.StreamerRegistry
@ -253,17 +252,7 @@ defmodule Pleroma.Web.Streamer do
User.get_recipients_from_activity(item)
|> Enum.map(fn %{id: id} -> "user:#{id}" end)
hashtag_recipients =
if Pleroma.Constants.as_public() in item.recipients do
Pleroma.Hashtag.get_recipients_for_activity(item)
|> Enum.map(fn id -> "user:#{id}" end)
else
[]
end
all_recipients = Enum.uniq(recipient_topics ++ hashtag_recipients)
Enum.each(all_recipients, fn topic ->
Enum.each(recipient_topics, fn topic ->
push_to_socket(topic, item)
end)
end

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@ -1,12 +0,0 @@
defmodule Pleroma.Repo.Migrations.AddUserFollowsHashtag do
use Ecto.Migration
def change do
create table(:user_follows_hashtag) do
add(:hashtag_id, references(:hashtags))
add(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
end
create(unique_index(:user_follows_hashtag, [:user_id, :hashtag_id]))
end
end

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@ -2679,74 +2679,4 @@ defmodule Pleroma.UserTest do
assert user.ap_id in user3_updated.also_known_as
end
end
describe "follow_hashtag/2" do
test "should follow a hashtag" do
user = insert(:user)
hashtag = insert(:hashtag)
assert {:ok, _} = user |> User.follow_hashtag(hashtag)
user = User.get_cached_by_ap_id(user.ap_id)
assert user.followed_hashtags |> Enum.count() == 1
assert hashtag.name in Enum.map(user.followed_hashtags, fn %{name: name} -> name end)
end
test "should not follow a hashtag twice" do
user = insert(:user)
hashtag = insert(:hashtag)
assert {:ok, _} = user |> User.follow_hashtag(hashtag)
assert {:ok, _} = user |> User.follow_hashtag(hashtag)
user = User.get_cached_by_ap_id(user.ap_id)
assert user.followed_hashtags |> Enum.count() == 1
assert hashtag.name in Enum.map(user.followed_hashtags, fn %{name: name} -> name end)
end
test "can follow multiple hashtags" do
user = insert(:user)
hashtag = insert(:hashtag)
other_hashtag = insert(:hashtag)
assert {:ok, _} = user |> User.follow_hashtag(hashtag)
assert {:ok, _} = user |> User.follow_hashtag(other_hashtag)
user = User.get_cached_by_ap_id(user.ap_id)
assert user.followed_hashtags |> Enum.count() == 2
assert hashtag.name in Enum.map(user.followed_hashtags, fn %{name: name} -> name end)
assert other_hashtag.name in Enum.map(user.followed_hashtags, fn %{name: name} -> name end)
end
end
describe "unfollow_hashtag/2" do
test "should unfollow a hashtag" do
user = insert(:user)
hashtag = insert(:hashtag)
assert {:ok, _} = user |> User.follow_hashtag(hashtag)
assert {:ok, _} = user |> User.unfollow_hashtag(hashtag)
user = User.get_cached_by_ap_id(user.ap_id)
assert user.followed_hashtags |> Enum.count() == 0
end
test "should not error when trying to unfollow a hashtag twice" do
user = insert(:user)
hashtag = insert(:hashtag)
assert {:ok, _} = user |> User.follow_hashtag(hashtag)
assert {:ok, _} = user |> User.unfollow_hashtag(hashtag)
assert {:ok, _} = user |> User.unfollow_hashtag(hashtag)
user = User.get_cached_by_ap_id(user.ap_id)
assert user.followed_hashtags |> Enum.count() == 0
end
end
end

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@ -719,24 +719,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
end
end
describe "fetch activities for followed hashtags" do
test "it should return public activities that reference a given hashtag" do
hashtag = insert(:hashtag, name: "tenshi")
user = insert(:user)
{:ok, public} = CommonAPI.post(user, %{status: "maji #tenshi", visibility: "public"})
{:ok, _unrelated} = CommonAPI.post(user, %{status: "dai #tensh", visibility: "public"})
{:ok, unlisted} = CommonAPI.post(user, %{status: "maji #tenshi", visibility: "unlisted"})
{:ok, _private} = CommonAPI.post(user, %{status: "maji #tenshi", visibility: "private"})
activities = ActivityPub.fetch_activities([], %{followed_hashtags: [hashtag.id]})
assert length(activities) == 2
public_id = public.id
unlisted_id = unlisted.id
assert [%{id: ^public_id}, %{id: ^unlisted_id}] = activities
end
end
describe "fetch activities in context" do
test "retrieves activities that have a given context" do
{:ok, activity} = ActivityBuilder.insert(%{"type" => "Create", "context" => "2hu"})

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@ -1,97 +0,0 @@
defmodule Pleroma.Web.MastodonAPI.TagControllerTest do
use Pleroma.Web.ConnCase
import Pleroma.Factory
import Tesla.Mock
alias Pleroma.User
setup do
mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
:ok
end
describe "GET /api/v1/tags/:id" do
test "returns 200 with tag" do
%{user: user, conn: conn} = oauth_access(["read"])
tag = insert(:hashtag, name: "jubjub")
{:ok, _user} = User.follow_hashtag(user, tag)
response =
conn
|> get("/api/v1/tags/jubjub")
|> json_response_and_validate_schema(200)
assert %{
"name" => "jubjub",
"url" => "http://localhost:4001/tags/jubjub",
"history" => [],
"following" => true
} = response
end
test "returns 404 with unknown tag" do
%{conn: conn} = oauth_access(["read"])
conn
|> get("/api/v1/tags/jubjub")
|> json_response_and_validate_schema(404)
end
end
describe "POST /api/v1/tags/:id/follow" do
test "should follow a hashtag" do
%{user: user, conn: conn} = oauth_access(["write:follows"])
hashtag = insert(:hashtag, name: "jubjub")
response =
conn
|> post("/api/v1/tags/jubjub/follow")
|> json_response_and_validate_schema(200)
assert response["following"] == true
user = User.get_cached_by_ap_id(user.ap_id)
assert User.following_hashtag?(user, hashtag)
end
test "should 404 if hashtag doesn't exist" do
%{conn: conn} = oauth_access(["write:follows"])
response =
conn
|> post("/api/v1/tags/rubrub/follow")
|> json_response_and_validate_schema(404)
assert response["error"] == "Hashtag not found"
end
end
describe "POST /api/v1/tags/:id/unfollow" do
test "should unfollow a hashtag" do
%{user: user, conn: conn} = oauth_access(["write:follows"])
hashtag = insert(:hashtag, name: "jubjub")
{:ok, user} = User.follow_hashtag(user, hashtag)
response =
conn
|> post("/api/v1/tags/jubjub/unfollow")
|> json_response_and_validate_schema(200)
assert response["following"] == false
user = User.get_cached_by_ap_id(user.ap_id)
refute User.following_hashtag?(user, hashtag)
end
test "should 404 if hashtag doesn't exist" do
%{conn: conn} = oauth_access(["write:follows"])
response =
conn
|> post("/api/v1/tags/rubrub/unfollow")
|> json_response_and_validate_schema(404)
assert response["error"] == "Hashtag not found"
end
end
end

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@ -410,36 +410,6 @@ defmodule Pleroma.Web.StreamerTest do
assert_receive {:render_with_user, _, "status_update.json", ^create, ^stream}
refute Streamer.filtered_by_user?(user, edited)
end
test "it streams posts containing followed hashtags on the 'user' stream", %{
user: user,
token: oauth_token
} do
hashtag = insert(:hashtag, %{name: "tenshi"})
other_user = insert(:user)
{:ok, user} = User.follow_hashtag(user, hashtag)
Streamer.get_topic_and_add_socket("user", user, oauth_token)
{:ok, activity} = CommonAPI.post(other_user, %{status: "hey #tenshi"})
assert_receive {:render_with_user, _, "update.json", ^activity, _}
end
test "should not stream private posts containing followed hashtags on the 'user' stream", %{
user: user,
token: oauth_token
} do
hashtag = insert(:hashtag, %{name: "tenshi"})
other_user = insert(:user)
{:ok, user} = User.follow_hashtag(user, hashtag)
Streamer.get_topic_and_add_socket("user", user, oauth_token)
{:ok, activity} =
CommonAPI.post(other_user, %{status: "hey #tenshi", visibility: "private"})
refute_receive {:render_with_user, _, "update.json", ^activity, _}
end
end
describe "public streams" do

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@ -716,11 +716,4 @@ defmodule Pleroma.Factory do
user: user
}
end
def hashtag_factory(params \\ %{}) do
%Pleroma.Hashtag{
name: "test #{sequence(:hashtag_name, & &1)}"
}
|> Map.merge(params)
end
end