@wearesage/schema/examples/rbac/Role.ts

A flexible schema definition and validation system for TypeScript with multi-database support

import "reflect-metadata";
import { Entity, Id, Property, ManyToMany } from "../..";
import { User } from "./User";
import { Permission } from "./Permission";

/**
 * A Role can be assigned to many Users (Many-to-Many).
 * A Role can have many Permissions (Many-to-Many).
 */
@Entity()
export class Role {
  @Id()
  id: string;

  @Property({ required: true, unique: true })
  name: string; // e.g. "ADMIN", "EDITOR", etc.

  @Property()
  description: string;

  @Property({ default: () => new Date() })
  createdAt: Date;

  /**
   * Many-to-many relationship with Users.
   */
  @ManyToMany({
    target: () => User,
    inverse: "roles",
    name: "ASSIGNED_TO_USER",
  })
  users: User[] = [];

  /**
   * Many-to-many relationship with Permissions.
   * A role can have many permissions,
   * and a permission can belong to many roles.
   */
  @ManyToMany({
    target: () => Permission,
    inverse: "roles",
    name: "HAS_PERMISSION",
  })
  permissions: Permission[] = [];
}