hdong: split event to update verification code and send.

src/Infrastructure/BotSharp.Abstraction/Users/IUserService.cs

@@ -23,6 +23,7 @@ public interface IUserService
     Task<bool> VerifyUserNameExisting(string userName);
     Task<bool> VerifyEmailExisting(string email);
     Task<bool> VerifyPhoneExisting(string phone, string regionCode);
+    Task<User> ResetVerificationCode(User user);
     Task<bool> SendVerificationCodeNoLogin(User user);
     Task<bool> SendVerificationCodeLogin();
     Task<bool> SetUserPassword(User user);

src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs

@@ -589,13 +589,30 @@ public async Task<bool> VerifyPhoneExisting(string phone, string regionCode)
 
     public async Task<bool> SendVerificationCodeNoLogin(User user)
     {
-        var db = _services.GetRequiredService<IBotSharpRepository>();
+        User? record = await ResetVerificationCode(user);
 
-        User? record = null;
+        if (record == null)
+        {
+            return false;
+        }
 
+        //send code to user Email.
+        var hooks = _services.GetServices<IAuthenticationHook>();
+        foreach (var hook in hooks)
+        {
+            await hook.SendVerificationCode(record);
+        }
+
+        return true;
+    }
+
+    public async Task<User> ResetVerificationCode(User user)
+    {
+        var db = _services.GetRequiredService<IBotSharpRepository>();
+        User record = null;
         if (!string.IsNullOrEmpty(user.Email) && !string.IsNullOrEmpty(user.Phone))
         {
-            return false;
+            return null;
         }
 
         if (!string.IsNullOrEmpty(user.Phone))
@@ -610,22 +627,15 @@ record = db.GetUserByEmail(user.Email);
 
         if (record == null)
         {
-            return false;
+            return null;
         }
 
         record.VerificationCode = Nanoid.Generate(alphabet: "0123456789", size: 6);
 
         //update current verification code.
         db.UpdateUserVerificationCode(record.Id, record.VerificationCode);
 
-        //send code to user Email.
-        var hooks = _services.GetServices<IAuthenticationHook>();
-        foreach (var hook in hooks)
-        {
-            await hook.SendVerificationCode(record);
-        }
-
-        return true;
+        return record;
     }
 
     public async Task<bool> SendVerificationCodeLogin()