Files
ZYZ/shared/db/Counter.ts
2020-09-09 00:57:26 +08:00

23 lines
581 B
TypeScript

import BaseModel from './BaseModel';
import { index, getModelForClass, prop } from '@typegoose/typegoose';
/**
* 自增 ID
*/
@index({ name: 1 })
export default class Counter extends BaseModel {
@prop({ required: true })
name: string;
@prop({ required: true, default: 1 })
seq: number;
public static async getNewCounter(name: string, lean = true) {
const counter = await CounterModel.findOneAndUpdate({ name }, { $inc: { seq: 1 } }, { new: true, upsert: true }).lean(lean);
return counter?.seq;
}
}
export const CounterModel = getModelForClass(Counter);