sergey-telpuk / nestjs-rbac

import { Injectable } from '@nestjs/common';

import { IRbac } from './interfaces/rbac.interface';

import { StorageRbacService } from './storage.rbac.service';

import { RoleRbac } from '../role/role.rbac';

import { IRoleRbac } from '../role/interfaces/role.rbac.interface';

import { RbacExceptions } from '../exceptions/rbac.exceptions';

import { IParamsFilter } from '../params-filter/interfaces/params.filter.interface';

@Injectable()

export class RbacService implements IRbac {

    constructor(

        private readonly storageRbacService: StorageRbacService,

    ) {

    }

    async getRole(role: string, paramsFilter?: IParamsFilter): Promise<IRoleRbac> {

        const storage = await this.storageRbacService.getStorage();

        if (!storage.roles || !storage.roles.includes(role)) {

            throw new RbacExceptions('There is no exist a role.');

        }

        return new RoleRbac(

            role,

            await this.storageRbacService.getGrant(role),

            await this.storageRbacService.getFilters(),

            paramsFilter,

        );

    }

}