Add /api/v1/followed_tags

[akkoma] / lib / pleroma / pagination.ex

diff --git a/lib/pleroma/pagination.ex b/lib/pleroma/pagination.ex
index 0ccc7b1f2ad258dd0a53f97cbdda50810d9849c7..28e37933e2abfbaaaa2258c82b65f96f210cb0df 100644 (file)
--- a/lib/pleroma/pagination.ex
+++ b/lib/pleroma/pagination.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Pagination do
@@ -16,6 +16,9 @@ defmodule Pleroma.Pagination do
 
   @default_limit 20
   @max_limit 40
+  @page_keys ["max_id", "min_id", "limit", "since_id", "order"]
+
+  def page_keys, do: @page_keys
 
   @spec fetch_paginated(Ecto.Query.t(), map(), type(), atom() | nil) :: [Ecto.Schema.t()]
   def fetch_paginated(query, params, type \\ :keyset, table_binding \\ nil)
@@ -61,6 +64,12 @@ defmodule Pleroma.Pagination do
   @spec paginate(Ecto.Query.t(), map(), type(), atom() | nil) :: [Ecto.Schema.t()]
   def paginate(query, options, method \\ :keyset, table_binding \\ nil)
 
+  def paginate(list, options, _method, _table_binding) when is_list(list) do
+    offset = options[:offset] || 0
+    limit = options[:limit] || 0
+    Enum.slice(list, offset, limit)
+  end
+
   def paginate(query, options, :keyset, table_binding) do
     query
     |> restrict(:min_id, options, table_binding)
@@ -79,11 +88,12 @@ defmodule Pleroma.Pagination do
 
   defp cast_params(params) do
     param_types = %{
-      min_id: :string,
-      since_id: :string,
-      max_id: :string,
+      min_id: params[:id_type] || :string,
+      since_id: params[:id_type] || :string,
+      max_id: params[:id_type] || :string,
       offset: :integer,
       limit: :integer,
+      skip_extra_order: :boolean,
       skip_order: :boolean
     }
 
@@ -105,6 +115,8 @@ defmodule Pleroma.Pagination do
 
   defp restrict(query, :order, %{skip_order: true}, _), do: query
 
+  defp restrict(%{order_bys: [_ | _]} = query, :order, %{skip_extra_order: true}, _), do: query
+
   defp restrict(query, :order, %{min_id: _}, table_binding) do
     order_by(
       query,