120 lines
3.0 KiB
TypeScript
120 lines
3.0 KiB
TypeScript
/**
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* Domain Entity: Result
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*
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* Represents a race result in the GridPilot platform.
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* Immutable entity with factory methods and domain validation.
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*/
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import { RacingDomainValidationError } from '../../errors/RacingDomainError';
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import type { IEntity } from '@core/shared/domain';
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import { RaceId } from '../RaceId';
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import { DriverId } from '../DriverId';
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import { Position } from './Position';
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import { LapTime } from './LapTime';
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import { IncidentCount } from './IncidentCount';
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export class Result implements IEntity<string> {
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readonly id: string;
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readonly raceId: RaceId;
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readonly driverId: DriverId;
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readonly position: Position;
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readonly fastestLap: LapTime;
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readonly incidents: IncidentCount;
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readonly startPosition: Position;
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private constructor(props: {
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id: string;
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raceId: RaceId;
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driverId: DriverId;
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position: Position;
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fastestLap: LapTime;
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incidents: IncidentCount;
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startPosition: Position;
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}) {
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this.id = props.id;
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this.raceId = props.raceId;
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this.driverId = props.driverId;
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this.position = props.position;
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this.fastestLap = props.fastestLap;
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this.incidents = props.incidents;
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this.startPosition = props.startPosition;
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}
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/**
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* Factory method to create a new Result entity
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*/
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static create(props: {
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id: string;
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raceId: string;
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driverId: string;
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position: number;
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fastestLap: number;
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incidents: number;
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startPosition: number;
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}): Result {
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this.validate(props);
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const raceId = RaceId.create(props.raceId);
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const driverId = DriverId.create(props.driverId);
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const position = Position.create(props.position);
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const fastestLap = LapTime.create(props.fastestLap);
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const incidents = IncidentCount.create(props.incidents);
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const startPosition = Position.create(props.startPosition);
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return new Result({
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id: props.id,
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raceId,
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driverId,
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position,
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fastestLap,
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incidents,
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startPosition,
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});
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}
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/**
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* Domain validation logic
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*/
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private static validate(props: {
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id: string;
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raceId: string;
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driverId: string;
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position: number;
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fastestLap: number;
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incidents: number;
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startPosition: number;
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}): void {
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if (!props.id || props.id.trim().length === 0) {
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throw new RacingDomainValidationError('Result ID is required');
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}
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if (!props.raceId || props.raceId.trim().length === 0) {
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throw new RacingDomainValidationError('Race ID is required');
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}
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if (!props.driverId || props.driverId.trim().length === 0) {
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throw new RacingDomainValidationError('Driver ID is required');
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}
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}
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/**
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* Calculate positions gained/lost
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*/
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getPositionChange(): number {
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return this.startPosition.toNumber() - this.position.toNumber();
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}
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/**
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* Check if driver finished on podium
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*/
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isPodium(): boolean {
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return this.position.toNumber() <= 3;
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}
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/**
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* Check if driver had a clean race (0 incidents)
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*/
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isClean(): boolean {
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return this.incidents.toNumber() === 0;
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}
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} |