ff-admin-server/src/command/roleCommandHandler.ts

import { dataSource } from "../data-source";
import { role } from "../entity/role";
import InternalException from "../exceptions/internalException";
import { CreateRoleCommand, DeleteRoleCommand, UpdateRoleCommand } from "./roleCommand";

export default abstract class RoleCommandHandler {
  /**
   * @description create role
   * @param CreateRoleCommand
   * @returns {Promise<number>}
   */
  static async create(createRole: CreateRoleCommand): Promise<number> {
    return await dataSource
      .createQueryBuilder()
      .insert()
      .into(role)
      .values({
        role: createRole.role,
      })
      .execute()
      .then((result) => {
        return result.identifiers[0].id;
      })
      .catch((err) => {
        throw new InternalException("Failed creating role");
      });
  }

  /**
   * @description update role
   * @param UpdateRoleCommand
   * @returns {Promise<void>}
   */
  static async update(updateRole: UpdateRoleCommand): Promise<void> {
    return await dataSource
      .createQueryBuilder()
      .update(role)
      .set({
        role: updateRole.role,
      })
      .where("id = :id", { id: updateRole.id })
      .execute()
      .then(() => {})
      .catch((err) => {
        throw new InternalException("Failed updating role");
      });
  }

  /**
   * @description delete role
   * @param DeleteRoleCommand
   * @returns {Promise<void>}
   */
  static async delete(deleteRole: DeleteRoleCommand): Promise<void> {
    return await dataSource
      .createQueryBuilder()
      .delete()
      .from(role)
      .where("id = :id", { id: deleteRole.id })
      .execute()
      .then(() => {})
      .catch((err) => {
        throw new InternalException("Failed deleting role");
      });
  }
}