ff-admin-server/src/service/user/roleService.ts

import { dataSource } from "../../data-source";
import { role } from "../../entity/user/role";
import InternalException from "../../exceptions/internalException";

export default abstract class RoleService {
  /**
   * @description get roles
   * @returns {Promise<Array<role>>}
   */
  static async getAll(): Promise<Array<role>> {
    return await dataSource
      .getRepository(role)
      .createQueryBuilder("role")
      .leftJoinAndSelect("role.permissions", "role_permissions")
      .orderBy("role", "ASC")
      .getMany()
      .then((res) => {
        return res;
      })
      .catch((err) => {
        throw new InternalException("roles not found", err);
      });
  }

  /**
   * @description get role by id
   * @param id number
   * @returns {Promise<role>}
   */
  static async getById(id: number): Promise<role> {
    return await dataSource
      .getRepository(role)
      .createQueryBuilder("role")
      .leftJoinAndSelect("role.permissions", "role_permissions")
      .where("role.id = :id", { id: id })
      .getOneOrFail()
      .then((res) => {
        return res;
      })
      .catch((err) => {
        throw new InternalException("role not found by id", err);
      });
  }
}