Merge pull request #220 from import-ai/fix/username

Fix that the username can be a space

Author: cvnert

src/i18n/en/user.json

@@ -7,6 +7,7 @@
     "passwordTooShort": "Password must be at least 8 characters long",
     "passwordRequirements": "Password must contain at least one letter and one number",
     "emailAlreadyInUse": "Email already in use",
-    "provideVerificationCode": "Please provide verification code"
+    "provideVerificationCode": "Please provide verification code",
+    "userCannotbeEmptyStr": "Invalid username"
   }
 }

src/i18n/zh/user.json

@@ -7,6 +7,7 @@
     "passwordTooShort": "密码长度至少为 8 个字符",
     "passwordRequirements": "密码必须包含至少一个字母和一个数字",
     "emailAlreadyInUse": "邮箱已被使用",
-    "provideVerificationCode": "请提供邮箱验证码"
+    "provideVerificationCode": "请提供邮箱验证码",
+    "userCannotbeEmptyStr": "无效的用户名"
   }
 }

src/user/user.service.ts

@@ -338,6 +338,14 @@ export class UserService {
   }
 
   async update(id: string, account: UpdateUserDto) {
+    if (account.username && !account.username.trim().length) {
+      const message = this.i18n.t('user.errors.userCannotbeEmptyStr');
+      throw new AppException(
+        message,
+        'USERNAME_CANNOT_BE_EMPTY',
+        HttpStatus.BAD_REQUEST,
+      );
+    }
     if (account.username && isUsernameBlocked(account.username)) {
       const message = this.i18n.t('user.errors.accountAlreadyExists');
       throw new AppException(