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let fs = require("fs-extra");
let url = require("url");
let request = require('request');
let exec = require("child_process").exec;
class versionChecker {
constructor(configJson, packageJson) {
this.config = JSON.parse(fs.readFileSync(configJson));
this.CPackageJson = JSON.parse(fs.readFileSync(packageJson));
this.version = this.CPackageJson["version"];
this.repoVersion = this.version;
this.checkFrequency = this.config["checkInterval"] * 100 * 10 * 60 * 60; // takes in hours
this.repoLink = this.CPackageJson["repository"]["url"];
this.repoBranch = this.config["branch"];
this.checkVersion(this); // Because we have to send the reference in our interval, we have to to it here as well
this.updateChecker = setInterval(this.checkVersion, this.checkFrequency, this); // We have to send a reference to this class
}
checkVersion(parent) {
if (typeof(parent) == "undefined") { parent = this; }
let path = url.parse(parent.repoLink);
let link = "https://raw.githubusercontent.com" + path.pathname + '/' + parent.repoBranch + "/package.json";
request.get(link, (error, response, body) => {
if (!error && response.statusCode === 200) {
let remotePackageJSON = JSON.parse(body);
this.repoVersion = remotePackageJSON["version"];
if (parent.VersionIsNewerThan(this.repoVersion, parent.version)) {
global.log("A new version is available on \"" + parent.repoBranch + "\" (v" + this.repoVersion + ")", "INFO");
}
} else {
global.log("Could not find latest version! Please check you internet connection.", "ERROR");
}
});
}
VersionIsNewerThan(check, current) {
let checkParts = check.split(".");
let currentParts = current.split(".");
let lCheckParts = checkParts.length;
let lCurrentParts = currentParts.length;
for (let i = 0; i < lCheckParts; i++) {
if (i >= lCurrentParts) { return true; }
if (Number (checkParts[i]) > Number (currentParts[i])) { return true; }
if (Number (checkParts[i]) < Number (currentParts[i])) { return false; }
}
return false;
}
}
module.exports = (configJson, packageJson) => {
return new versionChecker(configJson, packageJson);
};
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