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util.js
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util.js
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const CronJob = require("cron").CronJob,
fs = require("fs"),
path = require("path"),
join = path.join,
extname = path.extname,
colors = require('colors/safe'),
config = require("./config");
const makeTemp = () => {
if (!fs.existsSync(config.tempDir)) {
fs.mkdirSync(config.tempDir);
}
};
module.exports = {
/* Makes the temporary directory. */
makeTemp: makeTemp,
/* Logger function. */
log: (logMessage) => {
let date = new Date();
let time = ('00' + date.getHours()).slice(-2) + ':' + ('00' + date.getMinutes()).slice(-2) + ':' + ('00' + date.getSeconds()).slice(-2);
if(config.logs.info.output.console){
if(config.logs.global.showTime.console){
console.info('[' + time + '] ' + logMessage);
} else {
console.info(logMessage);
}
}
if(config.logs.info.output.log){
if(config.logs.global.showTime.log){
fs.appendFile(join(config.tempDir, config.logs.info.file), '[' + time + '] ' + logMessage.replace(/\x1B\[\d+m/g, '') + "\n");
} else {
fs.appendFile(join(config.tempDir, config.logs.info.file), logMessage.replace(/\x1B\[\d+m/g, '') + "\n");
}
}
},
/* Error logger function. */
onError: (errorMessage) => {
let date = new Date();
let time = ('00' + date.getHours()).slice(-2) + ':' + ('00' + date.getMinutes()).slice(-2) + ':' + ('00' + date.getSeconds()).slice(-2);
if(typeof errorMessage === 'string') {
if(errorMessage.toLowerCase().startsWith('error')){
if(config.logs.error.output.console){
if(config.logs.global.showTime.console){
console.error((config.colorOutput ? colors.red('[' + time + '] ' + errorMessage) : '[' + time + '] ' + errorMessage));
} else {
console.error((config.colorOutput ? colors.red(errorMessage) : errorMessage));
}
}
if(config.logs.error.output.log){
if(config.logs.global.showTime.log){
fs.appendFile(join(config.tempDir, config.logs.error.file), '[' + time + '] ' + errorMessage.replace(/\x1B\[\d+m/g, '') + "\n");
} else {
fs.appendFile(join(config.tempDir, config.logs.error.file), errorMessage.replace(/\x1B\[\d+m/g, '') + "\n");
}
}
} else {
if(config.logs.warning.output.console){
if(!errorMessage.toLowerCase().startsWith('error')){
if(config.logs.global.showTime.console){
console.warn(config.colorOutput ? colors.yellow('[' + time + '] ' + errorMessage) : '[' + time + '] ' + errorMessage);
} else {
console.warn(config.colorOutput ? colors.yellow(errorMessage) : errorMessage);
}
}
}
if(config.logs.warning.output.log){
if(!errorMessage.toLowerCase().startsWith('error')){
if(config.logs.global.showTime.log){
fs.appendFile(join(config.tempDir, config.logs.warning.file), '[' + time + '] ' + errorMessage.replace(/\x1B\[\d+m/g, '') + "\n");
} else {
fs.appendFile(join(config.tempDir, config.logs.warning.file), errorMessage.replace(/\x1B\[\d+m/g, '') + "\n");
}
}
}
}
} else {
//Non String Msgs
if(config.logs.error.output.console){
if(config.logs.global.showTime.console){
console.error((config.colorOutput ? colors.red('[' + time + '] ' + errorMessage) : '[' + time + '] ' + errorMessage));
} else {
console.error((config.colorOutput ? colors.red(errorMessage) : errorMessage));
}
}
if(config.logs.error.output.log){
if(config.logs.global.showTime.log){
fs.appendFile(join(config.tempDir, config.logs.error.file), '[' + time + '] ' + errorMessage.toString().replace(/\x1B\[\d+m/g, '') + "\n");
} else {
fs.appendFile(join(config.tempDir, config.logs.error.file), errorMessage.toString().replace(/\x1B\[\d+m/g, '') + "\n");
}
}
}
return new Error(errorMessage);
},
/* Updates the 'lastUpdated' file. */
setlastUpdate: () => {
setTimeout(() => {
fs.writeFile(join(config.tempDir, config.updatedFile), JSON.stringify({
lastUpdated: Math.floor(new Date().getTime() / 1000)
}), (err) => {});
}, 0);
},
/* Updates the 'updateTime' file. */
setUpdateTime: (start_time, end_time) => {
let delta = Math.abs(end_time - start_time) / 1000;
let days = Math.floor(delta / 86400);
delta -= days * 86400;
let hours = Math.floor(delta / 3600) % 24;
delta -= hours * 3600;
let minutes = Math.floor(delta / 60) % 60;
delta -= minutes * 60;
let seconds = Math.floor(delta % 60);
let updateTime = "";
if( hours != 0 ) updateTime += hours + "h "
if( minutes != 0 ) updateTime += minutes + "m "
if( seconds != 0 ) updateTime += seconds + "s"
setTimeout(() => {
fs.writeFile(join(config.tempDir, config.updateTimeFile), JSON.stringify({
lastUpdate: (updateTime.trim())
}), (err) => {});
}, 0);
},
/* Updates the 'status' file. */
setStatus: (status) => {
setTimeout(() => {
fs.writeFile(join(config.tempDir, config.statusFile), JSON.stringify({
"status": status
}), (err) => {});
}, 0);
},
/*
* Function for resolving generators.
* Method from: https://www.youtube.com/watch?v=lil4YCCXRYc
*/
spawn: (generator) => {
return new Promise((resolve, reject) => {
let onResult = (lastPromiseResult) => {
let {
value,
done
} = generator.next(lastPromiseResult);
if (!done) {
value.then(onResult, reject)
} else {
resolve(value);
}
};
onResult();
});
},
/* Removes all the files in the temporary directory. */
resetTemp: (callback, filter, path = config.tempDir) => {
const files = fs.readdirSync(path);
files.forEach((file) => {
const stats = fs.statSync(join(path, file));
if (stats.isDirectory()) {
resetTemp(file, filter);
} else if (stats.isFile()) {
if(filter !== 'undefined'){
if(extname(file) == filter) fs.unlinkSync(join(path, file));
} else {
fs.unlinkSync(join(path, file));
}
}
});
makeTemp();
}
};