backend/src/models/actions/CreatePermission.ts
2020-12-18 16:05:25 +01:00

55 lines
1.4 KiB
TypeScript

import {
IsInt,
IsNotEmpty
} from "class-validator";
import { getConnectionManager } from 'typeorm';
import { PrincipalNotFoundError } from '../../errors/PrincipalErrors';
import { Permission } from '../entities/Permission';
import { Principal } from '../entities/Principal';
import { PermissionAction } from '../enums/PermissionAction';
import { PermissionTarget } from '../enums/PermissionTargets';
/**
* Defines a track of given length.
*/
export class CreatePermission {
/**
* The permissions's principal's id.
*/
@IsInt()
@IsNotEmpty()
principal: number;
/**
* The permissions's target.
*/
@IsNotEmpty()
target: PermissionTarget;
/**
* The permissions's action.
*/
@IsNotEmpty()
action: PermissionAction;
/**
* Converts a Permission object based on this.
*/
public async toPermission(): Promise<Permission> {
let newPermission: Permission = new Permission();
newPermission.principal = await this.getPrincipal();
newPermission.target = this.target;
newPermission.action = this.action;
return newPermission;
}
public async getPrincipal(): Promise<Principal> {
let principal = await getConnectionManager().get().getRepository(Principal).findOne({ id: this.principal })
if (!principal) { throw new PrincipalNotFoundError(); }
return principal;
}
}