add alias to backend's createUser for seeding

backend/src/graphql/arg/CreateUserArgs.ts

@@ -2,6 +2,9 @@ import { ArgsType, Field, Int } from 'type-graphql'
 
 @ArgsType()
 export class CreateUserArgs {
+  @Field(() => String, { nullable: true })
+  alias?: string | null
+  
   @Field(() => String)
   email: string
 

backend/src/graphql/resolver/UserResolver.ts

@@ -207,7 +207,7 @@ export class UserResolver {
   @Mutation(() => User)
   async createUser(
     @Args()
-    { email, firstName, lastName, language, publisherId = null, redeemCode = null }: CreateUserArgs,
+    { alias = null, email, firstName, lastName, language, publisherId = null, redeemCode = null }: CreateUserArgs,
   ): Promise<User> {
     logger.addContext('user', 'unknown')
     logger.info(
@@ -243,6 +243,9 @@ export class UserResolver {
         user.lastName = lastName
         user.language = language
         user.publisherId = publisherId
+        if (alias && (await validateAlias(alias))) {
+          user.alias = alias
+        }
         logger.debug('partly faked user', user)
 
         void sendAccountMultiRegistrationEmail({
@@ -276,6 +279,9 @@ export class UserResolver {
     dbUser.firstName = firstName
     dbUser.lastName = lastName
     dbUser.language = language
+    if (alias && (await validateAlias(alias))) {
+      dbUser.alias = alias
+    }
     dbUser.publisherId = publisherId ?? 0
     dbUser.passwordEncryptionType = PasswordEncryptionType.NO_PASSWORD
     logger.debug('new dbUser', dbUser)

backend/src/seeds/graphql/mutations.ts

@@ -50,6 +50,7 @@ export const updateUserInfos = gql`
 
 export const createUser = gql`
   mutation (
+    $alias: String
     $firstName: String!
     $lastName: String!
     $email: String!
@@ -58,6 +59,7 @@ export const createUser = gql`
     $redeemCode: String
   ) {
     createUser(
+      alias: $alias
       email: $email
       firstName: $firstName
       lastName: $lastName

backend/src/seeds/users/UserInterface.ts

@@ -1,4 +1,5 @@
 export interface UserInterface {
+  alias?: string
   email?: string
   firstName?: string
   lastName?: string