From 51c56e868eebc7666cd657ede08b25b0ea1f4f6a Mon Sep 17 00:00:00 2001
From: futugyousuzu <17871902+futugyou@users.noreply.github.com>
Date: Thu, 25 Jul 2024 10:56:47 +0000
Subject: [PATCH] add extensions mothed for get string value form object

---
 extensions/reflect.go | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 extensions/reflect.go

diff --git a/extensions/reflect.go b/extensions/reflect.go
new file mode 100644
index 00000000..a33f539c
--- /dev/null
+++ b/extensions/reflect.go
@@ -0,0 +1,39 @@
+package extensions
+
+import (
+	"fmt"
+	"reflect"
+)
+
+func GetStringFieldPointer(obj interface{}, fields ...string) *string {
+	v := reflect.ValueOf(obj)
+	for _, field := range fields {
+		if v.Kind() == reflect.Ptr && !v.IsNil() {
+			v = v.Elem()
+		} else {
+			return nil
+		}
+		v = v.FieldByName(field)
+		if !v.IsValid() {
+			return nil
+		}
+	}
+	if v.Kind() == reflect.Ptr && !v.IsNil() {
+		val := v.Interface().(*string)
+		return val
+	}
+	if v.Kind() == reflect.String {
+		val := v.String()
+		return &val
+	}
+	fmt.Println(v.Kind() == reflect.String)
+	return nil
+}
+
+func GetStringFieldStruct(obj interface{}, fields ...string) string {
+	v := GetStringFieldPointer(obj, fields...)
+	if v == nil {
+		return ""
+	}
+	return *v
+}