feat: add User data manager & User Database

server/data/DataBaseManager.ts

@@ -0,0 +1,34 @@
+// @ts-types="npm:sequelize"
+import { Sequelize, Op, Model, DataTypes } from 'sequelize'
+import Config from "../config.ts"
+import User from "./User.ts";
+
+abstract class BaseDataManager {
+    declare sequelize: Sequelize
+    declare name: string
+    constructor(name: string) {
+        this.init(name)
+        this.onInit()
+    }
+    private init(name: string) {
+        this.name = name
+        this.sequelize = new Sequelize({
+            dialect: 'sqlite',
+            storage: Config.dirs.DATABASES_DIR + '/' + name + '.db'
+        })
+    }
+    abstract onInit(): void
+}
+
+class UserDataManager extends BaseDataManager {
+    static SINGLE_INSTANCE = new UserDataManager('users')
+    override onInit(): void {
+        User.initTable(this.sequelize, this.name)
+    }
+}
+
+export default class DataBaseManager {
+    static getUserDataManager() {
+        return UserDataManager.SINGLE_INSTANCE
+    }
+}