72 lines
1.9 KiB
TypeScript
72 lines
1.9 KiB
TypeScript
import { HttpException, HttpStatus } from '@nestjs/common';
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export type EquipmentErrorCode =
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| 'CHARACTER_ITEM_NOT_FOUND'
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| 'ITEM_NOT_OWNED'
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| 'ITEM_NOT_EQUIPPABLE'
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| 'ITEM_LEVEL_REQUIREMENT_NOT_MET'
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| 'INVALID_EQUIPMENT_SLOT'
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| 'CHARACTER_IN_COMBAT';
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export class EquipmentDomainError extends HttpException {
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constructor(
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public readonly code: EquipmentErrorCode,
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status: HttpStatus,
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message: string,
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) {
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super({ statusCode: status, code, message }, status);
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}
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}
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export function characterItemNotFound(): EquipmentDomainError {
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return new EquipmentDomainError(
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'CHARACTER_ITEM_NOT_FOUND',
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HttpStatus.NOT_FOUND,
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'This item could not be found.',
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);
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}
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export function itemNotOwned(): EquipmentDomainError {
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return new EquipmentDomainError(
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'ITEM_NOT_OWNED',
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HttpStatus.FORBIDDEN,
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'This item does not belong to the character.',
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);
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}
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export function itemNotEquippable(): EquipmentDomainError {
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return new EquipmentDomainError(
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'ITEM_NOT_EQUIPPABLE',
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HttpStatus.BAD_REQUEST,
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'This item cannot be equipped.',
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);
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}
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export function itemLevelRequirementNotMet(): EquipmentDomainError {
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return new EquipmentDomainError(
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'ITEM_LEVEL_REQUIREMENT_NOT_MET',
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HttpStatus.BAD_REQUEST,
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"The character does not meet this item's level requirement.",
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);
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}
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// Defensive: slot is always derived from the item definition server-side, so
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// this is unreachable in practice (spec §27 still names it explicitly).
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export function invalidEquipmentSlot(): EquipmentDomainError {
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return new EquipmentDomainError(
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'INVALID_EQUIPMENT_SLOT',
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HttpStatus.BAD_REQUEST,
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'This item does not target a valid equipment slot.',
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);
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}
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export function characterInCombat(): EquipmentDomainError {
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return new EquipmentDomainError(
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'CHARACTER_IN_COMBAT',
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HttpStatus.CONFLICT,
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'Equipment cannot be changed during an active combat.',
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);
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}
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export { characterNotFound } from '../travel/travel.errors';
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