fe2c13258e
将 WechatGame 单体模块拆分为独立的 User、Level、GameConfig 模块， 新增体力值系统、关卡闯关流程，并修复多项代码质量问题： - 体力不足错误码从 401 修正为 400 - enterLevel 改用 findById 替代全表扫描 - consumeStamina 增加原子更新防止并发竞态 - 并行化独立数据库查询 (Promise.all) - 移除 WechatGameService/Controller 死代码
47 lines
1.3 KiB
TypeScript
47 lines
1.3 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import { InjectRepository } from '@nestjs/typeorm';
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import { Repository } from 'typeorm';
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import { User } from '../entities/user.entity';
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import { IUserRepository } from './user.repository.interface';
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@Injectable()
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export class UserRepository implements IUserRepository {
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constructor(
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@InjectRepository(User)
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private readonly repository: Repository<User>,
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) {}
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async findById(id: string): Promise<User | null> {
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return this.repository.findOne({ where: { id } });
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}
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async findByOpenid(openid: string): Promise<User | null> {
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return this.repository.findOne({ where: { openid } });
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}
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create(data: Partial<User>): User {
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return this.repository.create(data);
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}
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async save(user: User): Promise<User> {
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return this.repository.save(user);
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}
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/**
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* 原子更新体力值，使用 WHERE 条件防止并发竞态。
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* 只有当 stamina 仍等于 expectedOldStamina 时才更新。
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*/
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async updateStaminaAtomic(
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userId: string,
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expectedOldStamina: number,
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newStamina: number,
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staminaUpdatedAt: Date,
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): Promise<{ affected: number }> {
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const result = await this.repository.update(
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{ id: userId, stamina: expectedOldStamina },
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{ stamina: newStamina, staminaUpdatedAt },
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);
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return { affected: result.affected ?? 0 };
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}
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}
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