index.js

'use strict';

const PLUGIN_NAME = 'viur-ignite-html';

var path = require('path'),
	fs = require('fs'),
	isThere = require('is-there'),
	mkdirp = require('mkdirp');


module.exports = {
	build: function (options) {
		// Set Default Options
		var defaultOptions = {
			src: './sources/html/',
			dest: './appengine/html/'
		};

		if (typeof options === 'undefined') var options = {};
		for (var key in defaultOptions) {
			if (typeof options[key] === 'undefined') options[key] = defaultOptions[key];
		}

		try {
			var menuFile = path.join(options.src, '_menu.json');
			var layoutFile = path.join(options.src, '_layout.html');

			if (!isThere(menuFile)) {
				throw new Error("no such file '" + menuFile + "'");
			}
			if (!isThere(layoutFile)) {
				throw new Error("no such file '" + layoutFile + "'");
			}

			// Get menu(s) and parse as js dictionary
			var	menus = fs.readFileSync(menuFile, 'utf8');
				menus = JSON.parse(menus);

			// get template
			var layout = fs.readFileSync(layoutFile, 'utf8');


			// create an array with all sites of all menus
			var allSites = {};
			for (var menu in menus) {
				var sites = menus[menu];
				for(var item in sites) {
					allSites[item] = menus[menu][item];
				}
			}

			for (var site in allSites) { // for each sites
				var siteTitle = allSites[site];
				var siteName = site.split('_')[0];
				var siteType = site.split('_')[1];
				var contentFile = path.join(options.src, siteName);

				console.log('Processing %s', siteName);

				if (!isThere(contentFile)) {
					throw new Error("no such file '" + contentFile + "'");
				}

				// get content of file
				var content = fs.readFileSync(contentFile, 'utf8');

				// replace title and content variables in template
				var tmp = layout
					.replace( new RegExp('{{title}}', 'g'), siteTitle )
					.replace( new RegExp('{{content}}', 'g'), content );


				for (var menu in menus) { // for each menu
					var menuName = menu.split('_')[0];
					var menuType = menu.split('_')[1];
					var sites = menus[menu];
					var	tmpMenu = '';

					if (menuType == 'Sort')
						sites = sortProperties(sites); // Sort sites by value alphabetically if suffix == sort

					for (var tmpSite in sites) { // for each site in this menu build menu item
						var tmpSiteTitle = sites[tmpSite];
						var tmpSiteName = tmpSite.split('_')[0];
						var tmpSiteType = tmpSite.split('_')[1];

						tmpMenu += '<li class="menu-item ' + menuName + '-item">' +
										'<a class="menu-link' + (tmpSiteType == 'Primary' ? ' is-primary' : '') +
										(siteName == tmpSiteName ? ' is-active' : '') + '"' +
										' href="' + tmpSiteName + '">' + tmpSiteTitle+ '</a>'+
									'</li>' + '\n';
					}

					// replace menu variable by menu items
					tmp = tmp.replace(new RegExp('{{'+menuName+'}}', 'g'), tmpMenu );
				}


				// create destination folder if doesn't exists
				if (!isThere(options.dest)) {
					mkdirp(options.dest, function (err) {
						if (err) return console.error(err);

						writeFiles();
					});
				} else {
					writeFiles();
				}


				// need function as callback to make sure that writing starts after create folder
				function writeFiles() {
					// write file in destination folder
					fs.writeFile(options.dest + siteName, tmp, function(err) {
						if(err) return console.error(err);
					});
				}
			}
		} catch(e) {
			console.error(e);
			process.exit(1);
		}

		return true;
	}
};

function sortProperties(obj) {
	var sortable = [];
	var dict = {};

	// convert object into array
	for (var key in obj)
		if (obj.hasOwnProperty(key))
			sortable.push([key, obj[key]]); // each item is an array in format [key, value]

	// sort items by value
	sortable.sort(function (a, b) {
		var x = a[1].toLowerCase(),
			y = b[1].toLowerCase();
		return x<y ? -1 : x>y ? 1 : 0;
	});

	for (var key in sortable) {
		dict[sortable[key][0]] = sortable[key][1]; // parse array to dictionary
	}

	return dict; // sorted dictionary
}