invoice-fs/lib/issuer.js

Nostalgic command-line invoicing application producing plain text invoices and JSON data structures. Uses the file system as a database

var Api = require('invoice-api'),
    issuerFile = './data/issuer.json',
    issuerAscii = './data/issuer.ascii',
    out = require('./out'),
    fs = require('fs'),
    writeDataSync = require('./writeDataSync');

function Issuer() {
    this.type = 'issuer';
    this.open();
}

Issuer.prototype.open = function() {
    try {
        this.data = new Api.Issuer(JSON.parse(fs.readFileSync(issuerFile, 'utf8')));
        this.data.asciiArt = fs.readFileSync(issuerAscii, 'utf8');
    } catch (e) {
        this.data = new Api.Issuer();
    }
};

Issuer.prototype.save = function(callback) {
    writeDataSync(issuerFile, this.data, callback);
};

module.exports = new Issuer();