Testing with iso extended formatting

pkg/codegen/schema.go

@@ -553,7 +553,7 @@ func oapiSchemaToGoType(schema *openapi3.Schema, path []string, outSchema *Schem
 		case "date":
 			outSchema.GoType = "openapi_types.Date"
 		case "date-time":
-			outSchema.GoType = "time.Time"
+			outSchema.GoType = "openapi_types.Time"
 		case "json":
 			outSchema.GoType = "json.RawMessage"
 			outSchema.SkipOptionalPointer = true

pkg/types/date.go

@@ -41,3 +41,28 @@ func (d *Date) UnmarshalText(data []byte) error {
 	d.Time = parsed
 	return nil
 }
+
+type Time struct {
+	time.Time
+}
+
+func (t *Time) UnmarshalJSON(data []byte) error {
+	var timeStr string
+	err := json.Unmarshal(data, &timeStr)
+	if err != nil {
+		return err
+	}
+	parsed, err1 := time.Parse(time.RFC3339, timeStr)
+	if err1 == nil {
+		t.Time = parsed
+		return nil
+	}
+
+	parsed2, err2 := time.Parse("2006-01-02 15:04:05-07:00", timeStr)
+	if err2 == nil {
+		t.Time = parsed2
+		return nil
+	}
+
+	return err1
+}