chore: remove interface

decoder.go

@@ -9,22 +9,11 @@ import (
 
 const queryTag = "query"
 
-type Decoder[T any] interface {
-	DecodeQueryParams(values url.Values) T
-	DecodeQueryParamsWithCustomTag(values url.Values, customTag string) T
+func DecodeQueryParams[T any](values url.Values) T {
+	return DecodeQueryParamsWithCustomTag[T](values, queryTag)
 }
 
-type decoder[T any] struct{}
-
-func New[T any]() Decoder[T] {
-	return &decoder[T]{}
-}
-
-func (d decoder[T]) DecodeQueryParams(values url.Values) T {
-	return d.DecodeQueryParamsWithCustomTag(values, queryTag)
-}
-
-func (d decoder[T]) DecodeQueryParamsWithCustomTag(values url.Values, customTag string) T {
+func DecodeQueryParamsWithCustomTag[T any](values url.Values, customTag string) T {
 	var t T
 	targetValue := reflect.ValueOf(&t).Elem()
 	for i := 0; i < targetValue.NumField(); i++ {

decoder_test.go

@@ -17,10 +17,6 @@ type ModelQuery struct {
 	SomeDate  time.Time `query:"some_date"`
 }
 
-type ModelQueryInvalid struct {
-	id string `query:"id"`
-}
-
 type DecodeSuiteTest struct {
 	suite.Suite
 }
@@ -38,8 +34,7 @@ func (s *DecodeSuiteTest) TestDecodeQueryParams() {
 	values.Add("some_date", "2024-02-01T10:54:12Z")
 
 	s.T().Run("should decode query params", func(t *testing.T) {
-		model := New[ModelQuery]()
-		response := model.DecodeQueryParams(values)
+		response := DecodeQueryParams[ModelQuery](values)
 		assert.Equal(t, "new_id", response.ID)
 		assert.Equal(t, int32(1), response.SomeInt)
 		assert.Equal(t, float32(3.1314), response.SomeFloat)
@@ -57,8 +52,7 @@ func (s *DecodeSuiteTest) TestDecodeQueryParamsWithCustomTag() {
 	values.Add("some_date", "2024-02-01T10:54:12Z")
 
 	s.T().Run("should decode query params", func(t *testing.T) {
-		model := New[ModelQuery]()
-		response := model.DecodeQueryParamsWithCustomTag(values, "query")
+		response := DecodeQueryParamsWithCustomTag[ModelQuery](values, "query")
 		assert.Equal(t, "new_id", response.ID)
 		assert.Equal(t, int32(1), response.SomeInt)
 		assert.Equal(t, float32(3.1314), response.SomeFloat)