bis/index.js

Manage your favorites files for download.

#! /usr/bin/env node

var fs = require("fs");
var Download = require('download');
var downloadStatus = require('download-status');
var prompt = require('prompt');
var userHome = require('user-home');
var thenWriteFile = require('then-write-file')
var json = require('jsonsave');

// on supprime les 2 premiers arguments que donne le tableau 'process.argv'
var userArgs = process.argv.slice(2);

var jsonDir = userHome + '/bis/';
var jsonFile = jsonDir + 'data.json';
 
var bisData = {};

function bisFindIndex(key){
	return bisData.bookmarks.map(function(e){ return e.nom;}).indexOf(key);
}

function bisLoadData(){
	bisData = json.new( jsonFile );
}

var dataDefaut = '{"config":{"style":"styl"},"bookmarks":[]}';

//
//	load or create new Json file for data into home directory's user
//
thenWriteFile( jsonFile , dataDefaut )
.then(function (res) {
  console.log("data file not found...\rdata file has been created...");
  main();
  //=> true 
})
.catch(function(){
	main();
});


function main(){

if (userArgs[0]==="help" || !userArgs[0]){
	console.log("\n Commands for Bis : \n");
	console.log("   add         add a url for a file in your favorite's list");
	console.log("   rm <name>   remove a url in your favorite");
	console.log("   list        list your favorite");
	console.log("   dl <name>   download a file from your favorite");
	console.log("   v           Bis's version \n");
	process.exit();
}

if (userArgs[0]==="v" || userArgs[0]==="version"){
	var packageData = require('./package.json');
	console.log('\n version : ' + packageData.version + "\n");

	process.exit();
}

if (userArgs[0]==="add"){
	bisLoadData();

	prompt.start();
	prompt.get(['nom', 'version', 'url'], function (err, result) {

		if (result.nom && result.url){
	    	bisData.bookmarks.push(result);

	    	bisData.$$save();
	    	
	    	console.log("Bookmarks has been updated ...");

	    	//console.log('Your favorites list has been updated !');
	    } else {
	    	console.log('The name or url was empty !');
	    }
  	});
}

if (userArgs[0]==="list"){
	bisLoadData();
	if (bisData.bookmarks.length>0){
		console.log("Your favorite list : \r");
		bisData.bookmarks.forEach(function(l){
			console.log( " - " + l.nom + " v-" + l.version + "\r");
		});
	} else {
		console.log('Your favorite list is empty.')
	}

}

if (userArgs[0]==="rm"){
	if (userArgs[1]){
		bisLoadData();
		var pos = bisFindIndex(userArgs[1]);
		bisData.bookmarks.splice(pos, 1);
		bisData.$$save();
		console.log('Your favorites list has been updated !');

	} else {
		console.log("\n You forget the name. \n");
	}

}

if (userArgs[0]==="dl"){
	if (userArgs[1]){
		bisLoadData();
		var dest = './';
		if (userArgs[2]!=="-s" && userArgs[2]){
			//console.log('dossier entrée');
			dest =  './' + userArgs[2] + "/";
		}
		var pos = bisFindIndex(userArgs[1]);
		var fileUrl = bisData.bookmarks[pos].url;
		//var fileFs = dest + fileUrl.split("/").pop();

		var download = new Download({ extract: true, strip: 1 })
	    .get(fileUrl)
	    .dest(dest)
	    .use(downloadStatus())
	    .run(function(){

	    	console.log('Download done ! ');

			if (userArgs[2]==="-s" || userArgs[3]==="-s"){
				//console.log('>s detecté -> ' + fileUrl.split('/').pop() );

				fs.readFile('index.html', 'utf8', function (err,data) {
				 	
				 	if (err) {
				 		console.log("I can't open your index.html !");
				 		process.exit();
				 	}
				    	
				  	//console.log( "trouvé ? : " + data.search("<!--bis-->") );
				  	if ( data.search("<!--bis-script-->") ){
				  		console.log('I find the tag Bis in your code : ');
				  		data = data.replace('<!--bis-script-->', '<script type="text/javascript" src="' + dest + fileUrl.split('/').pop()+'"></script>\n<!--bis-script-->')

						fs.writeFile('index.html', data, function (err) {
							if (err) throw err;
							console.log('I add a link in your code too !');
						});
				  	} else {
				  		console.log("I don't find the tag Bis in your code.");
				  	}
					
				});

			}

	    });


	} else {
		console.log("\n You forget the file's name to download \n");
	}


}

// fin du then de la promise
}