Commit 271ea506 authored by rinpatch's avatar rinpatch

Merge branch '1851-favorites-pagination' into 'develop'

StatusController: Correctly paginate favorites.

Closes #1851

See merge request !2636
parents cb7be6ee 1d625c29
Pipeline #27211 passed with stages
in 77 minutes and 20 seconds
......@@ -31,6 +31,10 @@ defmodule Pleroma.Activity do
field(:recipients, {:array, :string}, default: [])
field(:thread_muted?, :boolean, virtual: true)
# A field that can be used if you need to join some kind of other
# id to order / paginate this field by
field(:pagination_id, :string, virtual: true)
# This is a fake relation,
# do not use outside of with_preloaded_user_actor/with_joined_user_actor
has_one(:user_actor, User, on_delete: :nothing, foreign_key: :id)
......
......@@ -1172,12 +1172,11 @@ def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
|> Activity.Queries.by_type("Like")
|> Activity.with_joined_object()
|> Object.with_joined_activity()
|> select([_like, object, activity], %{activity | object: object})
|> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
|> order_by([like, _, _], desc_nulls_last: like.id)
|> Pagination.fetch_paginated(
Map.merge(params, %{skip_order: true}),
pagination,
:object_activity
pagination
)
end
......
......@@ -333,7 +333,8 @@ def favourites_operation do
%Operation{
tags: ["Statuses"],
summary: "Favourited statuses",
description: "Statuses the user has favourited",
description:
"Statuses the user has favourited. Please note that you have to use the link headers to paginate this. You can not build the query parameters yourself.",
operationId: "StatusController.favourites",
parameters: pagination_params(),
security: [%{"oAuth" => ["read:favourites"]}],
......
......@@ -57,35 +57,36 @@ def add_link_headers(conn, activities, extra_params) do
end
end
@id_keys Pagination.page_keys() -- ["limit", "order"]
defp build_pagination_fields(conn, min_id, max_id, extra_params) do
params =
conn.params
|> Map.drop(Map.keys(conn.path_params))
|> Map.merge(extra_params)
|> Map.drop(@id_keys)
%{
"next" => current_url(conn, Map.put(params, :max_id, max_id)),
"prev" => current_url(conn, Map.put(params, :min_id, min_id)),
"id" => current_url(conn)
}
end
def get_pagination_fields(conn, activities, extra_params \\ %{}) do
case List.last(activities) do
%{id: max_id} ->
params =
conn.params
|> Map.drop(Map.keys(conn.path_params))
|> Map.merge(extra_params)
|> Map.drop(Pagination.page_keys() -- ["limit", "order"])
%{pagination_id: max_id} when not is_nil(max_id) ->
%{pagination_id: min_id} =
activities
|> List.first()
build_pagination_fields(conn, min_id, max_id, extra_params)
min_id =
%{id: max_id} ->
%{id: min_id} =
activities
|> List.first()
|> Map.get(:id)
fields = %{
"next" => current_url(conn, Map.put(params, :max_id, max_id)),
"prev" => current_url(conn, Map.put(params, :min_id, min_id))
}
# Generating an `id` without already present pagination keys would
# need a query-restriction with an `q.id >= ^id` or `q.id <= ^id`
# instead of the `q.id > ^min_id` and `q.id < ^max_id`.
# This is because we only have ids present inside of the page, while
# `min_id`, `since_id` and `max_id` requires to know one outside of it.
if Map.take(conn.params, Pagination.page_keys() -- ["limit", "order"]) != [] do
Map.put(fields, "id", current_url(conn, conn.params))
else
fields
end
build_pagination_fields(conn, min_id, max_id, extra_params)
_ ->
%{}
......
......@@ -1541,14 +1541,49 @@ test "context" do
} = response
end
test "favorites paginate correctly" do
%{user: user, conn: conn} = oauth_access(["read:favourites"])
other_user = insert(:user)
{:ok, first_post} = CommonAPI.post(other_user, %{status: "bla"})
{:ok, second_post} = CommonAPI.post(other_user, %{status: "bla"})
{:ok, third_post} = CommonAPI.post(other_user, %{status: "bla"})
{:ok, _first_favorite} = CommonAPI.favorite(user, third_post.id)
{:ok, _second_favorite} = CommonAPI.favorite(user, first_post.id)
{:ok, third_favorite} = CommonAPI.favorite(user, second_post.id)
result =
conn
|> get("/api/v1/favourites?limit=1")
assert [%{"id" => post_id}] = json_response_and_validate_schema(result, 200)
assert post_id == second_post.id
# Using the header for pagination works correctly
[next, _] = get_resp_header(result, "link") |> hd() |> String.split(", ")
[_, max_id] = Regex.run(~r/max_id=(.*)>;/, next)
assert max_id == third_favorite.id
result =
conn
|> get("/api/v1/favourites?max_id=#{max_id}")
assert [%{"id" => first_post_id}, %{"id" => third_post_id}] =
json_response_and_validate_schema(result, 200)
assert first_post_id == first_post.id
assert third_post_id == third_post.id
end
test "returns the favorites of a user" do
%{user: user, conn: conn} = oauth_access(["read:favourites"])
other_user = insert(:user)
{:ok, _} = CommonAPI.post(other_user, %{status: "bla"})
{:ok, activity} = CommonAPI.post(other_user, %{status: "traps are happy"})
{:ok, activity} = CommonAPI.post(other_user, %{status: "trees are happy"})
{:ok, _} = CommonAPI.favorite(user, activity.id)
{:ok, last_like} = CommonAPI.favorite(user, activity.id)
first_conn = get(conn, "/api/v1/favourites")
......@@ -1566,9 +1601,7 @@ test "returns the favorites of a user" do
{:ok, _} = CommonAPI.favorite(user, second_activity.id)
last_like = status["id"]
second_conn = get(conn, "/api/v1/favourites?since_id=#{last_like}")
second_conn = get(conn, "/api/v1/favourites?since_id=#{last_like.id}")
assert [second_status] = json_response_and_validate_schema(second_conn, 200)
assert second_status["id"] == to_string(second_activity.id)
......
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