staging.js

var fs 	   = require('fs'),
	util   = require('util'),
	extend = util._extend;

function POEditorStaging(defaultLanguage){
	this.stagingFile = "./.poeditor-staging";
	this.stagingData = {};
	this.defaultLanguage = defaultLanguage || 'en-us';

	this.readStagingCache();
}

extend(POEditorStaging.prototype, {
	readStagingCache: function(){
		try {
			fs.accessSync(this.stagingFile, fs.F_OK | fs.R_OK | fs.W_OK);

			var rawStagingData = fs.readFileSync(this.stagingFile, "utf8");
			this.stagingData = JSON.parse(rawStagingData);
		} catch(e) {}
	},

	writeStagingCache: function(){
		var out = fs.createWriteStream(this.stagingFile);
		out.write(JSON.stringify(this.stagingData));
		out.end();
	},

	clearStaging: function(){
		this.stagingData = {};
		this.writeStagingCache();
	},

	addTerm: function(term, defaultTranslation, context, tags, update){

		if (!term) {
			throw {
				code: 1,
				message: 'Term is required'
			};
		}

		if (!update && this.stagingData[term]) {
			throw {
				code: 2,
				message: 'Term already exists'
			};
		}

		this.stagingData[term] = {
			term: term,
			context: context || '',
			defaultTranslation: defaultTranslation,
			tags: tags || []
		};

		this.writeStagingCache();

	},

	getStagingData: function(){
		return this.stagingData;
	}
});

module.exports = POEditorStaging;