From 1d862c01d558d8fb1c96c401c92321c038e49991 Mon Sep 17 00:00:00 2001
From: Ruoxi Wang <thuwrx10@gmail.com>
Date: Fri, 29 Mar 2024 22:52:14 +0800
Subject: [PATCH] Implement custom Value and Scan methods for PrivateString
 type (#231)

---
 internal/domain/base.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/internal/domain/base.go b/internal/domain/base.go
index e5de0b92..a58ddb29 100644
--- a/internal/domain/base.go
+++ b/internal/domain/base.go
@@ -1,7 +1,10 @@
 package domain
 
 import (
+	"errors"
 	"time"
+
+	"database/sql/driver"
 )
 
 type BaseModel struct {
@@ -21,6 +24,26 @@ func (PrivateString) String() string {
 	return ""
 }
 
+func (ps PrivateString) Value() (driver.Value, error) {
+	if len(ps) == 0 {
+        return nil, nil
+    }
+	return string(ps), nil
+}
+
+func (ps *PrivateString) Scan(value interface{}) error {
+    if value == nil {
+        *ps = ""
+        return nil
+    }
+    strValue, ok := value.(string)
+    if !ok {
+        return errors.New("invalid type for PrivateString")
+    }
+    *ps = PrivateString(strValue)
+    return nil
+}
+
 const (
 	DisabledReasonExpired          = "expired"
 	DisabledReasonDeleted          = "deleted"