fix: support keyset & offset pagination when mixed in open api schema

fixes #227

lib/ash_json_api/json_schema/open_api.ex

@@ -1244,6 +1244,25 @@ if Code.ensure_loaded?(OpenApiSpex) do
  (action.pagination.keyset? || action.pagination.offset?) do
  cond do
  action.pagination.keyset? && action.pagination.offset? ->
+ keyset_pagination_schema = keyset_pagination_schema(action.pagination)
+ offset_pagination_schema = offset_pagination_schema(action.pagination)
+ keyset_props = keyset_pagination_schema.properties
+ offset_props = offset_pagination_schema.properties
+
+ schema_props =
+ Map.merge(keyset_props, offset_props, fn _key, keyset_prop, offset_prop ->
+ if keyset_prop == offset_prop do
+ keyset_prop
+ else
+ %Schema{
+ anyOf: [
+ keyset_prop,
+ offset_prop
+ ]
+ }
+ end
+ end)
+
  %Parameter{
  name: :page,
  in: :query,
@@ -1252,10 +1271,9 @@ if Code.ensure_loaded?(OpenApiSpex) do
  required: action.pagination.required? && !action.pagination.default_limit,
  style: :deepObject,
  schema: %Schema{
- anyOf: [
- keyset_pagination_schema(action.pagination),
- offset_pagination_schema(action.pagination)
- ]
+ type: :object,
+ properties: schema_props,
+ example: keyset_pagination_schema.example
  }
  }
 
@@ -1287,6 +1305,10 @@ if Code.ensure_loaded?(OpenApiSpex) do
  defp offset_pagination_schema(pagination) do
  %Schema{
  type: :object,
+ example: %{
+ limit: pagination.default_limit || 25,
+ offset: 0
+ },
  properties:
  %{
  limit: %Schema{type: :integer, minimum: 1},
@@ -1299,6 +1321,9 @@ if Code.ensure_loaded?(OpenApiSpex) do
  defp keyset_pagination_schema(pagination) do
  %Schema{
  type: :object,
+ example: %{
+ limit: pagination.default_limit || 25
+ },
  properties:
  %{
  limit: %Schema{type: :integer, minimum: 1},