add query helpers

lib/workload_service_web/controllers/task_controller.ex

@@ -6,32 +6,16 @@ defmodule WorkloadServiceWeb.TaskController do
   alias WorkloadService.Workload.Queries
   alias WorkloadService.Aggregates.TaskId
   alias WorkloadServiceWeb.Schemas.Task, as: S
+  alias WorkloadServiceWeb.QueryHelpers
 
   tags(["Tasks"])
 
   operation(:list,
     summary: "List tasks",
-    parameters: [
-      "page[number]": [in: :query, type: :integer, required: false, example: 1],
-      "page[size]": [in: :query, type: :integer, required: false, example: 20],
-      filters: [
-        in: :query,
-        schema: %OpenApiSpex.Schema{
-          type: :array,
-          items: %OpenApiSpex.Schema{
-            type: :object,
-            properties: %{
-              field: %OpenApiSpex.Schema{type: :string},
-              op: %OpenApiSpex.Schema{type: :string, default: "=="},
-              value: %OpenApiSpex.Schema{type: :string}
-            }
-          }
-        },
-        required: false,
-        style: :deepObject,
-        explode: true
-      ]
-    ],
+    parameters: QueryHelpers.flop(
+      [:status, :application_id],
+      [:created_at, :updated_at, :status]
+    ),
     responses: [
       ok: {"Task list", "application/json", S.TaskListResponse},
       bad_request: {"Invalid params", "application/json", S.ErrorResponse}