Files
LingChair/server/api/EventStorer.ts
2025-11-30 01:45:42 +08:00

58 lines
2.0 KiB
TypeScript

import { DatabaseSync } from "node:sqlite"
import path from 'node:path'
import config from "../config.ts"
import User from "../data/User.ts"
import EventBean from "./EventBean.ts"
import { ClientEvent } from "./ApiDeclare.ts"
export default class EventStorer {
static database: DatabaseSync = this.init()
private static init(): DatabaseSync {
const db: DatabaseSync = new DatabaseSync(path.join(config.data_path, 'Events.db'))
return db
}
static getInstanceForUser(user: User | string) {
return new EventStorer(user)
}
declare user_id: string
constructor(user: User | string) {
this.user_id = user instanceof User ? user.bean.id : user
EventStorer.database.exec(`
CREATE TABLE IF NOT EXISTS ${this.getTableName()} (
/* 序号 */ count INTEGER PRIMARY KEY AUTOINCREMENT,
/* 事件 */ event_name TEXT NOT NULL,
/* 数据 */ data TEXT NOT NULL,
/* 会话 */ device_session TEXT
);
`)
}
protected getTableName() {
return `events_${this.user_id.replaceAll('-', '_')}`
}
addEvent(eventName: ClientEvent, data: object, device_session: string) {
EventStorer.database.prepare(`INSERT INTO ${this.getTableName()} (
event_name,
data,
device_session
) VALUES (?, ?, ?);`).run(
eventName,
JSON.stringify(data),
device_session || null
)
}
getEvents(device_session?: string) {
return EventStorer.database.prepare(`SELECT * FROM ${this.getTableName()}${device_session ? ` WHERE device_session = ?` : ''};`).all(...(device_session ? [ device_session ] : [])).map((v: any) => ({
...v,
data: JSON.parse(v.data)
})) as unknown as EventBean[]
}
clearEvents(device_session?: string) {
EventStorer.database.prepare(`DELETE FROM ${this.getTableName()}${device_session ? ` WHERE device_session = ?` : ''};`).run(...(device_session ? [ device_session ] : []))
}
}