weather-cli-nk_sm/dist/services/StorageService.js

cli for weather forecast

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
import { promises } from 'fs';
import { URL } from 'url';
import { DB_NAME } from '../constants/db.constants.js';
export var DBKeys;
(function (DBKeys) {
    DBKeys["API_KEY"] = "API_KEY";
    DBKeys["CITY"] = "CITY";
})(DBKeys || (DBKeys = {}));
export default class StorageService {
    static isExist(filePath) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                yield promises.stat(filePath);
                return true;
            }
            catch (_) {
                return false;
            }
        });
    }
    static get(key) {
        return __awaiter(this, void 0, void 0, function* () {
            this.fileIsReady = false;
            if (yield this.isExist(this.filePath)) {
                const data = JSON.parse((yield promises.readFile(this.filePath)).toString());
                if (data[key]) {
                    this.fileIsReady = true;
                    return data[key];
                }
            }
            this.fileIsReady = true;
            return undefined;
        });
    }
    static post({ key, value }) {
        return __awaiter(this, void 0, void 0, function* () {
            const i = setInterval(() => __awaiter(this, void 0, void 0, function* () {
                if (this.fileIsReady) {
                    clearInterval(i);
                    this.fileIsReady = false;
                    let data = {};
                    if (yield this.isExist(this.filePath))
                        data = JSON.parse((yield promises.readFile(this.filePath)).toString());
                    data[key] = value;
                    yield promises.writeFile(this.filePath, JSON.stringify(data));
                    this.fileIsReady = true;
                }
            }), 5);
        });
    }
}
StorageService.filePath = new URL(`../../${DB_NAME}`, import.meta.url).pathname.slice(1);
StorageService.fileIsReady = true;