smartdata/ts/smartdata.classes.easystore.ts
2022-05-17 00:33:44 +02:00

94 lines
2.4 KiB
TypeScript

import * as plugins from './smartdata.plugins.js';
import { Collection } from './smartdata.classes.collection.js';
import { SmartdataDb } from './smartdata.classes.db.js';
import { SmartDataDbDoc, svDb, unI } from './smartdata.classes.doc.js';
/**
* EasyStore allows the storage of easy objects. It also allows easy sharing of the object between different instances
*/
export class EasyStore<T> {
// instance
public smartdataDbRef: SmartdataDb;
public nameId: string;
private easyStoreClass = (() => {
@Collection(() => this.smartdataDbRef)
class SmartdataEasyStore extends SmartDataDbDoc<SmartdataEasyStore, SmartdataEasyStore> {
@unI()
public nameId: string;
@svDb()
public data: Partial<T>;
}
return SmartdataEasyStore;
})();
constructor(nameIdArg: string, smnartdataDbRefArg: SmartdataDb) {
this.smartdataDbRef = smnartdataDbRefArg;
this.nameId = nameIdArg;
}
private async getEasyStore() {
let easyStore = await this.easyStoreClass.getInstance({
nameId: this.nameId,
});
if (!easyStore) {
easyStore = new this.easyStoreClass();
easyStore.nameId = this.nameId;
easyStore.data = {};
await easyStore.save();
}
return easyStore;
}
/**
* reads all keyValue pairs at once and returns them
*/
public async readAll() {
const easyStore = await this.getEasyStore();
return easyStore.data;
}
/**
* reads a keyValueFile from disk
*/
public async readKey(keyArg: keyof T) {
const easyStore = await this.getEasyStore();
return easyStore.data[keyArg];
}
/**
* writes a specific key to the keyValueStore
*/
public async writeKey(keyArg: keyof T, valueArg: any) {
const easyStore = await this.getEasyStore();
easyStore.data[keyArg] = valueArg;
await easyStore.save();
}
public async deleteKey(keyArg: keyof T) {
const easyStore = await this.getEasyStore();
delete easyStore.data[keyArg];
await easyStore.save();
}
/**
* writes all keyValue pairs in the object argument
*/
public async writeAll(keyValueObject: Partial<T>) {
const easyStore = await this.getEasyStore();
easyStore.data = { ...easyStore.data, ...keyValueObject };
await easyStore.save();
}
/**
* wipes a key value store from disk
*/
public async wipe() {
const easyStore = await this.getEasyStore();
easyStore.data = {};
await easyStore.save();
}
}