blogs/lib/-post.js

A simple blog generator.

var fs = require('fs');
var path = require('path');
var async = require('async');
var bMods = require('blogs_modules');
var forEachKey = bMods.forEachKey;
var Cache = bMods.Cache;
var leftpad = bMods.leftpad;

class Post {

	constructor(blog, file) {
		this.blog = blog;
		this.file = file;
		this.cache = new Cache();
	}

	load(callback) {
		this.cache.get('load', (callback) => {
			async.waterfall([
				(callback) => {
					async.parallel([
						(callback) => {
							fs.readFile(this.file, callback);
						},
						(callback) => {
							this.blog.plugins('processor', callback);
						}
					], callback);
				},
				(results, callback) => {
					var [buffer, processors] = results;
					var type = path.extname(this.file).replace(/\./, '').toLowerCase();
					var processor = processors[type];
					if (processor) {
						processor.call(this, buffer, callback);
					} else {
						callback(new Error('There is no ' + type + ' processor'));
					}
				},
				(data, callback) => {
					forEachKey(data, (value, key) => {
						this[key] = value;
					});
					this.Y = this.date.getFullYear();
					this.YY = leftpad(this.Y % 100);
					this.YYYY = leftpad(this.Y, 4);
					this.M = this.date.getMonth() + 1;
					this.MM = leftpad(this.M);
					this.D = this.date.getDate();
					this.DD = leftpad(this.D);
					this.T = this.title
						.toLowerCase()
						.replace(/^[^0-9a-z-]*|[^0-9a-z-]*$/g, '')
						.replace(/[^0-9a-z-]+/g, '-');
					this.blog.render(this.blog.permalink, null, this, callback);
				},
				(link, callback) => {
					this.permalink = ('/' + this.blog.root + link).replace(/\/+/g, '/');
					callback(null, this);
				}
			], callback);
		}, callback);
	}

}

module.exports = Post;