stratic-date-in-path/index.js

Make a Vinyl file's path include the date based on Stratic metadata

/*
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

'use strict';

var through2 = require('through2');
var moment = require('moment');
var path = require('path');

module.exports = function(data) {
	return through2.obj(function(file, enc, callback) {
		var that = this;

		var date = moment.unix(file.data.time.epoch);
		var offset = Number(file.data.time.utcoffset.slice(3));
		date.utcOffset(offset);

		var year = date.year().toString();
		var month = date.month() + 1;
		month = month < 10 ? '0' + month.toString() : month.toString();

		file.path = path.join(file.base, year, month, file.relative);

		that.push(file);
		callback();
	});
};