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123 lines
3.1 KiB
123 lines
3.1 KiB
//load database
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var Datastore = require('nedb');
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var db = new Datastore({ filename: __dirname + '/crontabs/crontab.db' });
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db.loadDatabase(function (err) {
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});
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var exec = require('child_process').exec;
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var fs = require('fs');
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var cron_parser = require("cron-parser")
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crontab = function(name, command, schedule, stopped){
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var data = {};
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data.name = name;
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data.command = command;
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data.schedule = schedule;
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if(stopped != null) {
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data.stopped = stopped;
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}
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data.timestamp = (new Date()).toString();
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return data;
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}
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exports.create_new = function(name, command, schedule){
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var tab = crontab(name, command, schedule, false);
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tab.created = new Date().valueOf();
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db.insert(tab);
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}
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exports.update = function(data){
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db.update({_id: data._id}, crontab(data.name, data.command, data.schedule, null));
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}
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exports.status = function(_id, stopped){
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db.update({_id: _id},{$set: {stopped: stopped}});
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}
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exports.remove = function(_id){
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db.remove({_id: _id}, {});
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}
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exports.crontabs = function(callback){
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db.find({}).sort({ created: -1 }).exec(function(err, docs){
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for(var i=0; i<docs.length; i++){
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if(docs[i].schedule == "@reboot")
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docs[i].next = "Next Reboot"
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else
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docs[i].next = cron_parser.parseExpression(docs[i].schedule).next().toString();
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}
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callback(docs);
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});
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}
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exports.set_crontab = function(){
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exports.crontabs( function(tabs){
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var crontab_string = "";
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tabs.forEach(function(tab){
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if(!tab.stopped){
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crontab_string += tab.schedule + " " + tab.command + "\n";
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}
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});
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fs.writeFile("/tmp/crontab", crontab_string, function(err) {
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exec("crontab /tmp/crontab");
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});
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});
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}
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exports.get_backup_names = function(){
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var backups = []
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fs.readdirSync(__dirname + '/crontabs').forEach(function(file){
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// file name begins with backup
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if(file.indexOf("backup") == 0){
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backups.push(file);
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}
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});
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// Sort by date. Newest on top
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for(var i=0; i<backups.length; i++){
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var Ti = backups[i].split("backup")[1]
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Ti = new Date(Ti.substring(0, Ti.length-3)).valueOf();
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for(var j=0; j<i; j++){
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var Tj = backups[j].split("backup")[1]
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Tj = new Date(Tj.substring(0, Tj.length-3)).valueOf();
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if(Ti > Tj){
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var temp = backups[i];
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backups[i] = backups[j];
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backups[j] = temp;
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}
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}
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}
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return backups;
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}
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exports.backup = function(){
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//TODO check if it failed
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fs.createReadStream( __dirname + '/crontabs/crontab.db').pipe(fs.createWriteStream( __dirname + '/crontabs/backup ' + (new Date()).toString().replace("+", " ") + '.db'));
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}
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exports.restore = function(db_name){
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fs.createReadStream( __dirname + '/crontabs/' + db_name).pipe(fs.createWriteStream( __dirname + '/crontabs/crontab.db'));
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db.loadDatabase(); // reload the database
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}
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exports.reload_db= function(){
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db.loadDatabase();
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}
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// TODO
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exports.import_crontab = function(){
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exec("crontab -l", function(error, stdout, stderr){
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var lines = stdout.split("\n");
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lines.forEach(function(line){
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/*
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trim the spaces at edges
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split the line based of space and tab
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remove empty splits
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If the first character is @
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*/
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//if(line.indexOf("@")
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})
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console.log(stdout);
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});
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}
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