first commit

libs/api/identity/domain/src/lib/factories/user.factory.ts

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+import { Injectable } from '@nestjs/common';
+import { assertThat } from '@task-stream/api/shared/domain';
+import { User, UserSnapshot } from '../user';
+
+type UserProps = Omit<UserSnapshot, 'roles' | 'appRoles'> &
+  Partial<Pick<UserSnapshot, 'roles' | 'appRoles'>>;
+
+/** Users are never created here (Pireon owns them): they are only (re)built. */
+@Injectable()
+export class UserFactory {
+  create(props: UserProps): User {
+    assertThat(props.id.length > 0, 'User id is required');
+    const user = new User(props.id);
+    user.name = props.name;
+    user.email = props.email;
+    user.isActive = props.isActive;
+    user.roles = [...(props.roles ?? [])];
+    user.appRoles = [...(props.appRoles ?? [])];
+    return user;
+  }
+
+  restore(snapshot: UserProps): User {
+    return this.create(snapshot);
+  }
+}