hugo_generate.js

var fs = require('fs');
var input = fs.readFileSync('./2016-01-03.xml').toString();

var olddataraw = JSON.parse(fs.readFileSync('./oldposts.json').toString());
var olddata = olddataraw.map(function(item) {
	var date = new Date(item.posted);
	item.year = date.getFullYear();
	item.month = pad(date.getMonth() + 1,2);
	item.day = pad(date.getDate(),2);
	return item;
});


var skipped = 0;

function pad(n, width, z) {
  z = z || '0';
  n = n + '';
  return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}
var parseString = require('xml2js').parseString;
parseString(input, function(err, result) {

	/*
	var keys = Object.keys(result.rss.channel);
	console.dir(keys);
	for(var key in result.rss.channel[0]) {
		console.log(key);	
		//console.log(result.rss.channel);
	}
	*/
	var items = result.rss.channel[0].item;
	var done=0;
	items.forEach(function(item) {
		/*
		for now, skip ones with no proper guid
		*/
		var linkParts = item.link[0].split('/');
		var year = linkParts[3];
		var month = linkParts[4];
		var day = linkParts[5];
		var guid = item['wp:post_id'][0];

		var title = item.title[0];
		title = title.replace(/"/g,'\\"');
		
		var oldurl = '';
		
		if(linkParts.length === 6) {
			olddata.forEach(function(old) {
				if( (
					old.title == title || 
					old.title.replace(/"/g,'\\"') == title ||
						(title == 'Hal Helms\' Occasional Newsletter' && old.title == 'Hal Helms Occasional Newsletter')
					) && old.year == year && old.month == month && old.day == day) {
					linkParts[6] = old.id;
					guid = "";	
				}
			});

			if(linkParts.length === 6) {
				console.log('ERROR');
				console.log(title);
				console.dir(item);
				console.dir(linkParts);
				throw("Couldn't find match.");
			}
			
			//make an old url
			oldurl = 'http://www.raymondcamden.com/'+year+'/'+month.replace(/0/,'')+'/'+day.replace(/0/,'')+'/'+linkParts[6];
			
		}


		done++;

		//if(done > 5) process.exit();
		//console.log('--- '+item.title[0]+' --- '+item.link[0]);

		var slug = linkParts[6];
//		var fileName = year+'-'+pad(month,2)+'-'+pad(day,2)+'-'+slug+'.md';
		var fileName = slug+'.md';
		var content = item['content:encoded'][0];
//		var date = item['wp:post_date'][0];
//2015-06-24T13:50:46+02:00
		var date = new Date(item['pubDate'][0]);
		var formattedDate = date.getFullYear() + '-' + pad((date.getMonth()+1),2) + '-' + pad(date.getDate(),2);
		formattedDate += 'T' + pad(date.getHours(),2) + ':' + pad(date.getMinutes(),2) + ':' + pad(date.getSeconds(),2) + '+06:00';
		var cats = [];
		var tags = [];
		
		/*
		<category domain="category" nicename="Development"><![CDATA[Development]]></category>
		<category domain="post_tag" nicename="ionic"><![CDATA[Ionic]]></category>
		<category domain="category" nicename="JavaScript"><![CDATA[JavaScript]]></category>
		<category domain="category" nicename="Mobile"><![CDATA[Mobile]]></category>
		*/
		if(item.category) {
			for(var i=0;i<item.category.length;i++) {
				//console.dir(item.category[i]['$']);
				var catItem = item.category[i]['$'];
				if(catItem.domain === 'category') cats.push(catItem.nicename);	
				if(catItem.domain === 'post_tag') tags.push(catItem.nicename);	
			}
		}
		if(cats.length === 0) cats[0] = "Misc";
		
		var frontMatter = {
			title:title,
			categories:cats,
			tags:tags,
			date:formattedDate,
			url:"/"+year+"/"+month+"/"+day+"/"+slug
		};

		if(guid != '') {
			frontMatter.guid = guid;
		}
		if(oldurl != '') {
			frontMatter.oldurl = oldurl;	
		}
		
		content = JSON.stringify(frontMatter,null,'\t')+'\n\n'+content;
		/*
		new logic to support year/month/day
		*/
		var path = '../hugo_dynamic/content/post/'+year+'/';
		//console.log(path);
		try {
			fs.accessSync(path,fs.F_OK);
		} catch(e) {
			if(e.errno === -2) {
				fs.mkdirSync(path);
			}
		}
		path = '../hugo_dynamic/content/post/'+year+'/'+pad(month,2)+'/';
		try {
			fs.accessSync(path,fs.F_OK);
		} catch(e) {
			if(e.errno === -2) {
				fs.mkdirSync(path);
			}
		}
		path = '../hugo_dynamic/content/post/'+year+'/'+pad(month,2)+'/'+pad(day,2)+'/';
		try {
			fs.accessSync(path,fs.F_OK);
		} catch(e) {
			if(e.errno === -2) {
				fs.mkdirSync(path);
			}
		}		
		fs.writeFileSync('../hugo_dynamic/content/post/'+year+'/'+pad(month,2)+'/'+pad(day,2)+'/'+fileName, content,'utf8');
		//console.log(fileName);
		//console.dir(item);
	});
	console.log('Total done: '+done);
	console.log('Skipped: '+skipped);
});