update username

src/modules/authentication/core/domain/events/username-updated.domain-event.ts

@@ -0,0 +1,7 @@
+import { DomainEvent, DomainEventProps } from '@mobicoop/ddd-library';
+
+export class UsernameUpdatedDomainEvent extends DomainEvent {
+  constructor(props: DomainEventProps<UsernameUpdatedDomainEvent>) {
+    super(props);
+  }
+}

src/modules/authentication/core/domain/username.entity.ts

@@ -1,7 +1,12 @@
 import { AggregateID, AggregateRoot } from '@mobicoop/ddd-library';
-import { CreateUsernameProps, UsernameProps } from './username.types';
+import {
+  CreateUsernameProps,
+  UpdateUsernameProps,
+  UsernameProps,
+} from './username.types';
 import { UsernameAddedDomainEvent } from './events/username-added.domain-event';
 import { UsernameDeletedDomainEvent } from './events/username-deleted.domain-event';
+import { UsernameUpdatedDomainEvent } from './events/username-updated.domain-event';
 
 export class UsernameEntity extends AggregateRoot<UsernameProps> {
   protected readonly _id: AggregateID;
@@ -24,6 +29,15 @@ export class UsernameEntity extends AggregateRoot<UsernameProps> {
     return username;
   };
 
+  update(props: UpdateUsernameProps): void {
+    this.props.name = props.name;
+    this.addEvent(
+      new UsernameUpdatedDomainEvent({
+        aggregateId: props.name,
+      }),
+    );
+  }
+
   delete(): void {
     this.addEvent(
       new UsernameDeletedDomainEvent({

src/modules/authentication/core/domain/username.types.ts

@@ -10,6 +10,10 @@ export interface CreateUsernameProps {
   type: Type;
 }
 
+export interface UpdateUsernameProps {
+  name: string;
+}
+
 export enum Type {
   EMAIL = 'EMAIL',
   PHONE = 'PHONE',