forked from AkkomaGang/akkoma
Merge branch '1851-favorites-pagination' into 'develop'
StatusController: Correctly paginate favorites. Closes #1851 See merge request pleroma/pleroma!2636
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commit
271ea5068f
5 changed files with 70 additions and 32 deletions
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@ -31,6 +31,10 @@ defmodule Pleroma.Activity do
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field(:recipients, {:array, :string}, default: [])
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field(:thread_muted?, :boolean, virtual: true)
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# A field that can be used if you need to join some kind of other
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# id to order / paginate this field by
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field(:pagination_id, :string, virtual: true)
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# This is a fake relation,
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# do not use outside of with_preloaded_user_actor/with_joined_user_actor
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has_one(:user_actor, User, on_delete: :nothing, foreign_key: :id)
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@ -1172,12 +1172,11 @@ def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
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|> Activity.Queries.by_type("Like")
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|> Activity.with_joined_object()
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|> Object.with_joined_activity()
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|> select([_like, object, activity], %{activity | object: object})
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|> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
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|> order_by([like, _, _], desc_nulls_last: like.id)
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|> Pagination.fetch_paginated(
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Map.merge(params, %{skip_order: true}),
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pagination,
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:object_activity
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pagination
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)
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end
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@ -333,7 +333,8 @@ def favourites_operation do
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%Operation{
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tags: ["Statuses"],
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summary: "Favourited statuses",
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description: "Statuses the user has favourited",
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description:
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"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.",
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operationId: "StatusController.favourites",
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parameters: pagination_params(),
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security: [%{"oAuth" => ["read:favourites"]}],
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@ -57,35 +57,36 @@ def add_link_headers(conn, activities, extra_params) do
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end
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end
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@id_keys Pagination.page_keys() -- ["limit", "order"]
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defp build_pagination_fields(conn, min_id, max_id, extra_params) do
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params =
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conn.params
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|> Map.drop(Map.keys(conn.path_params))
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|> Map.merge(extra_params)
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|> Map.drop(@id_keys)
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%{
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"next" => current_url(conn, Map.put(params, :max_id, max_id)),
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"prev" => current_url(conn, Map.put(params, :min_id, min_id)),
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"id" => current_url(conn)
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}
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end
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def get_pagination_fields(conn, activities, extra_params \\ %{}) do
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case List.last(activities) do
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%{id: max_id} ->
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params =
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conn.params
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|> Map.drop(Map.keys(conn.path_params))
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|> Map.merge(extra_params)
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|> Map.drop(Pagination.page_keys() -- ["limit", "order"])
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min_id =
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%{pagination_id: max_id} when not is_nil(max_id) ->
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%{pagination_id: min_id} =
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activities
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|> List.first()
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|> Map.get(:id)
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fields = %{
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"next" => current_url(conn, Map.put(params, :max_id, max_id)),
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"prev" => current_url(conn, Map.put(params, :min_id, min_id))
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}
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build_pagination_fields(conn, min_id, max_id, extra_params)
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# Generating an `id` without already present pagination keys would
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# need a query-restriction with an `q.id >= ^id` or `q.id <= ^id`
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# instead of the `q.id > ^min_id` and `q.id < ^max_id`.
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# This is because we only have ids present inside of the page, while
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# `min_id`, `since_id` and `max_id` requires to know one outside of it.
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if Map.take(conn.params, Pagination.page_keys() -- ["limit", "order"]) != [] do
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Map.put(fields, "id", current_url(conn, conn.params))
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else
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fields
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end
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%{id: max_id} ->
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%{id: min_id} =
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activities
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|> List.first()
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build_pagination_fields(conn, min_id, max_id, extra_params)
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_ ->
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%{}
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@ -1541,14 +1541,49 @@ test "context" do
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} = response
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end
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test "favorites paginate correctly" do
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%{user: user, conn: conn} = oauth_access(["read:favourites"])
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other_user = insert(:user)
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{:ok, first_post} = CommonAPI.post(other_user, %{status: "bla"})
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{:ok, second_post} = CommonAPI.post(other_user, %{status: "bla"})
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{:ok, third_post} = CommonAPI.post(other_user, %{status: "bla"})
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{:ok, _first_favorite} = CommonAPI.favorite(user, third_post.id)
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{:ok, _second_favorite} = CommonAPI.favorite(user, first_post.id)
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{:ok, third_favorite} = CommonAPI.favorite(user, second_post.id)
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result =
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conn
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|> get("/api/v1/favourites?limit=1")
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assert [%{"id" => post_id}] = json_response_and_validate_schema(result, 200)
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assert post_id == second_post.id
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# Using the header for pagination works correctly
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[next, _] = get_resp_header(result, "link") |> hd() |> String.split(", ")
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[_, max_id] = Regex.run(~r/max_id=(.*)>;/, next)
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assert max_id == third_favorite.id
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result =
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conn
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|> get("/api/v1/favourites?max_id=#{max_id}")
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assert [%{"id" => first_post_id}, %{"id" => third_post_id}] =
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json_response_and_validate_schema(result, 200)
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assert first_post_id == first_post.id
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assert third_post_id == third_post.id
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end
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test "returns the favorites of a user" do
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%{user: user, conn: conn} = oauth_access(["read:favourites"])
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other_user = insert(:user)
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{:ok, _} = CommonAPI.post(other_user, %{status: "bla"})
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{:ok, activity} = CommonAPI.post(other_user, %{status: "traps are happy"})
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{:ok, activity} = CommonAPI.post(other_user, %{status: "trees are happy"})
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{:ok, _} = CommonAPI.favorite(user, activity.id)
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{:ok, last_like} = CommonAPI.favorite(user, activity.id)
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first_conn = get(conn, "/api/v1/favourites")
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@ -1566,9 +1601,7 @@ test "returns the favorites of a user" do
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{:ok, _} = CommonAPI.favorite(user, second_activity.id)
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last_like = status["id"]
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second_conn = get(conn, "/api/v1/favourites?since_id=#{last_like}")
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second_conn = get(conn, "/api/v1/favourites?since_id=#{last_like.id}")
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assert [second_status] = json_response_and_validate_schema(second_conn, 200)
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assert second_status["id"] == to_string(second_activity.id)
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