xml-pdf/index.js

XML to PDF converter

#!/usr/bin/env node
'use strict';
var fs = require('fs');
var pdf = require('html-pdf');
var Mustache = require('mustache');

var xml2js = require('xml2js');
var parser = new xml2js.Parser();
var chalk = require('chalk');
var program = require('commander');
var util = require('util')

//Module

exports.xmlpdf = function (inPath, outPath, templatePath, options, done) {


	if(!inPath){
		var err = new Error('Path to XML not specified');
		return done(err);
	}
	if(!outPath){
		var err = new Error('Export path not specified');
		return done(err);
	}
	if(!templatePath){
		var err = new Error('Template path not specified');
		return done(err);
	}
	if(Object.keys(options).length === 0 && options.constructor === Object){
		console.log(chalk.bold.underline.yellow("Warning:"));
		console.log(chalk.yellow("Using default options."));
		console.log(chalk.bold.underline.green("End Warning"));
		options = { format: 'Letter', verbose: false };
	}
		if(options.verbose) {
		//VERBOSE MODE
		console.log(chalk.bgBlack.magenta("START VERBOSE: OPTIONS"))
		console.log(util.inspect(options, {showHidden: false, depth: null}))
		console.log(chalk.bgGreen.black("END VERBOSE: OPTIONS"))
		//END VERBOSE MODE
	}
	fs.readFile(inPath, function(err, data) {
		if (err) return done(err);
		if(options.verbose) {
			//VERBOSE MODE
			console.log(chalk.bgBlack.magenta("START VERBOSE: XML BUFFER"))
			console.log(data)
			console.log(chalk.bgGreen.black("END VERBOSE: XML BUFFER"))
			//END VERBOSE MODE
		}
		parser.parseString(data, function (err, result) {
			if (err) return done(err);
			if(options.verbose) {
				//VERBOSE MODE
				console.log(chalk.bgBlack.magenta("START VERBOSE: XML2JSON"))
				console.log(util.inspect(result, {showHidden: false, depth: null}));
				console.log(chalk.bgGreen.black("END VERBOSE: XML2JSON"))
				//END VERBOSE MODE
			}



			var template = fs.readFileSync(templatePath, 'utf8');
			var html = Mustache.render(template, result);
			if(options.verbose) {
				//VERBOSE MODE
				console.log(chalk.bgBlack.magenta("START VERBOSE: MUSTACHE COMPILED HTML"))
				console.log(html);
				console.log(chalk.bgGreen.black("END VERBOSE: MUSTACHE COMPILED HTML"))
				//END VERBOSE MODE
			}
			pdf.create(html, options).toFile(outPath, function(err, res) {
			  if (err) return done(err);
			  if(options.verbose) {
					//VERBOSE MODE
					console.log(chalk.bgBlack.magenta("START VERBOSE: PDF CREATE"))
					console.log(res);
					console.log(chalk.bgGreen.black("END VERBOSE: PDF CREATE"))
					//END VERBOSE MODE
				}
			  return done(null, res)
			});
	    });
	});
};





var glob = this;

//CLI
program
	.arguments('<xml> <template> <output>')
	.option('-h, --height <height>', 'Height of the pdf.  Not to be used with \"--format\" and \"--orientation\"  Allowed units: mm, cm, in, px')
	.option('-w, --width <width>', 'Width of the pdf.  Not to be used with \"--format\" and \"--orientation\"  Allowed units: mm, cm, in, px')
	.option('-f, --format <format>', 'Not to be used with \"--height\" and \"--width\" Allowed units: A3, A4, A5, Legal, Letter, Tabloid')
	.option('-o, --orientation <orientation>', 'portrait or landscape.  Not to be used with \"--height\" and \"--width\"')
	.option('-v, --verbose', 'Enables verbose mode. Helpful when setting up the template.')
	.action(function(input, template, output) {
		
		var settings  = {}
		if(program.height){
			settings.height = program.height
		}
		if(program.width){
			settings.width = program.width
		}
		if(program.format){
			settings.format = program.format
		}
		if(program.orientation){
			settings.orientation = program.orientation
		}
		if(program.verbose){
			settings.verbose = program.verbose
		}
		glob.xmlpdf(input, output, template, settings, function(err, pth) {
			if(err) {
				console.log(chalk.underline.keyword('orange')("XML2PDF Encountered an error. Check below for details."))
				console.log(chalk.bgRed.black("START ERROR"));
				console.log(chalk.bold.red(err))
				console.log(chalk.bgGreen.black("END ERROR"))
			} else {
				console.log(chalk.bold.blue("Exported To: ") + chalk.green(pth.filename));
			}

		})
	})
	.parse(process.argv);