Merge pull request #4 from kodefluence/with-errors-in-jsonapi

Create WithErrors method in jsonapi package

jsonapi/jsonapi_test.go

@@ -45,6 +45,30 @@ func TestJSONAPI(t *testing.T) {
 		assert.Equal(t, "JSONAPI Error:\n[title] Detail: detail, Code: ERR401\n[title_2] Detail: detail_2, Code: ERR401\n", response.Errors.Error())
 	})
 
+	t.Run("Nil data won't print in json format using WithErrors option", func(t *testing.T) {
+		response := jsonapi.BuildResponse(
+			jsonapi.WithException("ERR401", http.StatusNotFound, exception.Throw(
+				errors.New("unexpected error"),
+				exception.WithDetail("detail"),
+				exception.WithTitle("title"),
+			)),
+			jsonapi.WithExceptionMeta("ERR401", http.StatusNotFound, exception.Throw(
+				errors.New("unexpected error"),
+				exception.WithDetail("detail_2"),
+				exception.WithTitle("title_2"),
+			), jsonapi.Meta{
+				"sample": "sample",
+			}),
+		)
+
+		response2 := jsonapi.BuildResponse(jsonapi.WithErrors(response.Errors))
+
+		b, _ := json.Marshal(response2)
+		assert.Equal(t, "{\"errors\":[{\"title\":\"title\",\"detail\":\"detail\",\"code\":\"ERR401\",\"status\":404},{\"title\":\"title_2\",\"detail\":\"detail_2\",\"code\":\"ERR401\",\"status\":404,\"meta\":{\"sample\":\"sample\"}}]}", string(b))
+		assert.Equal(t, http.StatusNotFound, response2.HTTPStatus())
+		assert.Equal(t, "JSONAPI Error:\n[title] Detail: detail, Code: ERR401\n[title_2] Detail: detail_2, Code: ERR401\n", response2.Errors.Error())
+	})
+
 	t.Run("500 http status when error status not set", func(t *testing.T) {
 		response := jsonapi.BuildResponse(
 			jsonapi.WithException("ERR401", 0, exception.Throw(

jsonapi/option.go

@@ -10,6 +10,14 @@ func WithData(data interface{}) Option {
 	}
 }
 
+func WithErrors(errors Errors) Option {
+	return func(b *Body) {
+		if errors != nil {
+			b.Errors = errors
+		}
+	}
+}
+
 func WithException(code string, status int, exc exception.Exception) Option {
 	return WithExceptionMeta(code, status, exc, nil)
 }