change default alias, add logic class for publishName enum

backend/src/apis/humhub/model/Account.ts

@@ -7,10 +7,7 @@ export class Account {
     if (user.alias && user.alias.length > 2) {
       this.username = user.alias
     } else {
-      // Use the replace method to remove the part after '+' and before '@'
-      // source: https://people.cs.rutgers.edu/~watrous/plus-signs-in-email-addresses.html
-      // email address with + exist but humhub doesn't allow username with +
-      this.username = user.emailContact.email.replace(/\+(.*)@/, '@')
+      this.username = user.gradidoID
     }
 
     this.email = user.emailContact.email

backend/src/data/PublishName.logic.ts

@@ -0,0 +1,67 @@
+import { User } from '@entity/User'
+
+import { GmsPublishNameType } from '@/graphql/enum/GmsPublishNameType';
+
+export class PublishNameLogic {
+  constructor(private user: User) {}
+
+  /**
+   * get first name based on publishNameType: GmsPublishNameType value
+   * @param publishNameType
+   * @returns user.firstName for GMS_PUBLISH_NAME_FIRST, GMS_PUBLISH_NAME_FIRST_INITIAL or GMS_PUBLISH_NAME_FULL
+   *   first initial from user.firstName for GMS_PUBLISH_NAME_INITIALS or GMS_PUBLISH_NAME_ALIAS_OR_INITALS and empty alias
+   */
+  public getFirstName(publishNameType: GmsPublishNameType): string | undefined {
+    if (
+      [
+        GmsPublishNameType.GMS_PUBLISH_NAME_FIRST,
+        GmsPublishNameType.GMS_PUBLISH_NAME_FIRST_INITIAL,
+        GmsPublishNameType.GMS_PUBLISH_NAME_FULL,
+      ].includes(publishNameType)
+    ) {
+      return this.user.firstName
+    }
+    if (
+      (!this.user.alias &&
+        publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_ALIAS_OR_INITALS) ||
+      publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_INITIALS
+    ) {
+      return this.user.firstName.substring(0, 1)
+    }
+  }
+
+  /**
+   * get last name based on publishNameType: GmsPublishNameType value
+   * @param publishNameType
+   * @returns user.lastName for GMS_PUBLISH_NAME_FULL
+   *   first initial from user.lastName for GMS_PUBLISH_NAME_FIRST_INITIAL, GMS_PUBLISH_NAME_INITIALS or GMS_PUBLISH_NAME_ALIAS_OR_INITALS and empty alias
+   */
+  public getLastName(publishNameType: GmsPublishNameType): string | undefined {
+    if (publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_FULL) {
+      return this.user.lastName
+    }
+    if (
+      (!this.user.alias &&
+        publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_ALIAS_OR_INITALS) ||
+      publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_FIRST_INITIAL ||
+      publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_INITIALS
+    ) {
+      return this.user.lastName.substring(0, 1)
+    }
+  }
+
+  public getUsername(publishNameType: GmsPublishNameType): string {
+    if (
+      this.user.alias &&
+      publishNameType === GmsPublishNameType.GMS_PUBLISH_NAME_ALIAS_OR_INITALS
+    ) {
+      return this.user.alias
+    }
+    const firstName = this.getFirstName(publishNameType)
+    const lastName = this.getLastName(publishNameType)
+    if (firstName && lastName) {
+      return `${firstName} ${lastName}`
+    }
+    return this.user.gradidoID
+  }
+}