93 lines
3.1 KiB
TypeScript
93 lines
3.1 KiB
TypeScript
import { DatabaseSync } from "node:sqlite"
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// import { Buffer } from "node:buffer"
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import path from 'node:path'
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import config from '../config.ts'
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import ChatBean from './ChatBean.ts'
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import { SQLInputValue } from "node:sqlite"
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import chalk from "chalk"
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import User from "./User.ts"
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/**
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* Chat.ts - Wrapper and manager
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* Wrap with ChatBean to directly update database
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* Manage the database by itself (static)
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*/
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export default class Chat {
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static table_name: string = "Chat"
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private static database: DatabaseSync = Chat.init()
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private static init(): DatabaseSync {
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const db: DatabaseSync = new DatabaseSync(path.join(config.data_path, 'Chats.db'))
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db.exec(`
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CREATE TABLE IF NOT EXISTS ${Chat.table_name} (
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/* 序号 */ count INTEGER PRIMARY KEY AUTOINCREMENT,
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/* 類型 */ type TEXT NOT NULL,
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/* Chat ID */ id TEXT NOT NULL,
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/* 標題 (群組) */ title TEXT,
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/* 頭像 (群組) */ avatar BLOB,
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/* UserIdA (私信) */ user_a_id TEXT
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/* UserIdB (私信) */ user_b_id TEXT,
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/* 设置 */ settings TEXT NOT NULL
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);
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`)
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return db
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}
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protected static findAllBeansByCondition(condition: string, ...args: SQLInputValue[]): ChatBean[] {
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return this.database.prepare(`SELECT * FROM ${Chat.table_name} WHERE ${condition}`).all(...args) as unknown as ChatBean[]
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}
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static findById(id: string) {
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const beans = this.findAllBeansByCondition('id = ?', id)
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if (beans.length == 0)
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return null
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else if (beans.length > 1)
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console.error(chalk.red(`警告: 查询 id = ${id} 时, 查询到多个相同 ID 的 Chat`))
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return new Chat(beans[0])
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}
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static create(chatId: string, type: 'private' | 'group') {
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const chat = new Chat(
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Chat.findAllBeansByCondition(
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'count = ?',
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Chat.database.prepare(`INSERT INTO ${Chat.table_name} (
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type,
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id,
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title,
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avatar,
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user_a_id,
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user_b_id,
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settings,
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) VALUES (?, ?);`).run(
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type,
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chatId,
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null,
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null,
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null,
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null,
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"{}"
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).lastInsertRowid
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)[0]
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)
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return chat
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}
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declare bean: ChatBean
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constructor(bean: ChatBean) {
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this.bean = bean
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}
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private setAttr(key: string, value: SQLInputValue): void {
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Chat.database.prepare(`UPDATE ${Chat.table_name} SET ${key} = ? WHERE id = ?`).run(value, this.bean.id)
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this.bean[key] = value
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}
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getTitleForPrivate(userMySelf: User) {
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if (this.bean.user_a_id == userMySelf.bean.id)
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return User.findById(this.bean?.user_b_id as string)?.getNickName() || "未知對話"
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if (this.bean.user_b_id == userMySelf.bean.id)
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return userMySelf.getNickName()
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return "未知對話"
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}
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}
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