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Files.js
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import fs from 'fs';
import path from 'path';
import _ from 'lodash';
export class Files {
constructor() {
this.createEntry = this.createEntry.bind(this);
this.deleteEntry = this.deleteEntry.bind(this);
this.readEntry = this.readEntry.bind(this);
}
createEntry(id, directory, data) {
try {
// console.log(id, directory, data);
if (directory !== "startJobs" && directory !== "stopJobs") {
console.log("directory mismatched!");
throw new Error("directory mismatched!");
} else {
console.log("directory matched!");
// const fpath = './public/startJobs';
const fpath = ((dir) => (dir === "startJobs" ? './public/startJobs' : './public/stopJobs'))(directory);
const fileName = id + ".json"
// console.log(fpath);
// console.log(fileName);
const jsonData = JSON.stringify(data, null, 2);
const filePath = path.join(fpath, fileName);
// console.log(jsonData);
// console.log(filePath);
if (!fs.existsSync(fpath)) {
console.log("Directory doesn't exists");
throw new Error("Directory doesn't exists");
} else {
fs.writeFileSync(filePath, jsonData, 'utf-8');
console.log("Entry created");
return true;
}
}
} catch (error) {
return (false);
}
}
deleteEntry(id, directory) {
try {
if (directory != "startJobs" && directory != "stopJobs") {
throw new Error("directory mismatched!");
} else {
const fpath = ((dir) => (dir === "startJobs" ? './public/startJobs' : './public/stopJobs'))(directory);
const fileName = id + ".json"
const filePath = path.join(fpath, fileName);
if (!fs.existsSync(fpath)) {
throw new Error("Directory doesn't exists");
} else {
fs.unlink(filePath, (error) => {
if (error) {
console.error('Error deleting the file:', error);
} else {
console.log('File deleted successfully.');
}
});
return true;
}
}
} catch (error) {
console.log(error.message);
return (false);
}
}
// async readEntry(directory, id = null, params = null){
// try{
// if(!_.isNull(id)){
// if(directory != "startJobs" && directory != "stopJobs"){
// throw new Error("directory mismatched!");
// }else{
// const fpath = ((dir) => (dir === "startJobs"?'./public/startJobs':'./public/stopJobs'))(directory);
// const fileName = id+".json"
// const filePath = path.join(fpath, fileName);
// if (!fs.existsSync(path)) {
// throw new Error("Directory doesn't exists");
// }else{
// fs.readFile(filePath, 'utf-8', (error, jsonData) => {
// if (error) {
// console.error('Error reading JSON file:', error);
// return false;
// }
// try {
// const parsedData = JSON.parse(jsonData);
// console.log(parsedData);
// let returnObj = [];
// if(params){
// for (const key of params){
// if(parsedData.hasOwnProperty(key)){
// returnObj[key] = parsedData[key];
// }
// }
// }else{
// returnObj = parsedData;
// }
// console.log(returnObj);
// return returnObj;
// } catch (parseError) {
// console.error('Error parsing JSON data:', parseError);
// throw new Error(parseError);
// }
// });
// }
// }
// }else{
// let returnObj = [];
// if(directory != "startJobs" && directory != "stopJobs"){
// throw new Error("directory mismatched!");
// }else{
// const fpath = ((dir) => (dir === "startJobs"?'./public/startJobs':'./public/stopJobs'))(directory);
// fs.readdir(fpath, (error, files) => {
// if (error) {
// console.error('Error reading directory:', error);
// return false;
// }
// // Iterate through each file
// files.forEach(file => {
// const fId = file.split(".")[0];
// console.log(fId);
// const filePath = path.join(fpath, file);
// // Read the content of each file
// fs.readFile(filePath, 'utf-8', (readError, content) => {
// console.log("inside readfile");
// if (readError) {
// console.error(`Error reading file ${file}:`, readError);
// return false;
// }
// try {
// console.log("inside try-catch");
// const parsedData = JSON.parse(content);
// // console.log(parsedData);
// let tempObj = {};
// if(params){
// for (const key of params){
// if(parsedData.hasOwnProperty(key)){
// tempObj[key] = parsedData[key];
// }
// }
// }else{
// tempObj = parsedData;
// }
// console.log("pushed");
// // console.log(tempObj);
// returnObj.push(tempObj);
// console.log(returnObj);
// } catch (parseError) {
// console.error('Error parsing JSON data:', parseError);
// throw new Error(parseError);
// }
// console.log("mama aye nagitta puthe\n\n\n\n\n\n");
// // console.log(`Content of ${file}:\n${content}\n`);
// });
// });
// });
// }
// console.log("hello");
// console.log(returnObj);
// return returnObj;
// }
// }catch(error){
// console.log(error.message);
// return(false);
// }
// }
async readEntry(directory, id = null, params = null) {
try {
if (!_.isNull(id)) {
if (directory !== "startJobs" && directory !== "stopJobs") {
throw new Error("directory mismatched!");
} else {
const fpath = ((dir) => (dir === "startJobs" ? './public/startJobs' : './public/stopJobs'))(directory);
const fileName = id + ".json";
const filePath = path.join(fpath, fileName);
if (!fs.existsSync(filePath)) {
throw new Error("File doesn't exist");
} else {
const jsonData = await fs.promises.readFile(filePath, 'utf-8');
try {
const parsedData = JSON.parse(jsonData);
let returnObj = {};
if (params) {
for (const key of params) {
if (parsedData.hasOwnProperty(key)) {
returnObj[key] = parsedData[key];
}
}
} else {
returnObj = parsedData;
}
return returnObj;
} catch (parseError) {
console.error('Error parsing JSON data:', parseError);
throw new Error(parseError);
}
}
}
} else {
if (directory !== "startJobs" && directory !== "stopJobs") {
throw new Error("directory mismatched!");
} else {
const fpath = ((dir) => (dir === "startJobs" ? './public/startJobs' : './public/stopJobs'))(directory);
const files = await fs.promises.readdir(fpath);
let returnObj = [];
for (const file of files) {
const fId = file.split(".")[0];
const filePath = path.join(fpath, file);
const content = await fs.promises.readFile(filePath, 'utf-8');
try {
const parsedData = JSON.parse(content);
let tempObj = {};
if (params) {
for (const key of params) {
if (parsedData.hasOwnProperty(key)) {
tempObj[key] = parsedData[key];
}
}
} else {
tempObj = parsedData;
}
returnObj.push(tempObj);
} catch (parseError) {
console.error('Error parsing JSON data:', parseError);
throw new Error(parseError);
}
}
return returnObj;
}
}
} catch (error) {
console.log(error.message);
return false;
}
}
}