flosight-ui/flocore-node/index.js

An open-source frontend for the Flosight API. The Flosight API provides you with a convenient, powerful and simple way to query and broadcast data on the florincoin network and build your own services with it.

'use strict';

var BaseService = require('./service');
var inherits = require('util').inherits;
var fs = require('fs');
var exec = require('child_process').exec;
var pkg = require('../package.json');

var FlosightUI = function(options) {
  BaseService.call(this, options);
  this.apiPrefix = options.apiPrefix || 'api';
  this.routePrefix = options.routePrefix || '';
};

FlosightUI.dependencies = ['flosight-api'];

inherits(FlosightUI, BaseService);

FlosightUI.prototype.start = function(callback) {

  var self = this;
  pkg.flosightConfig.apiPrefix = self.apiPrefix;
  pkg.flosightConfig.routePrefix = self.routePrefix;

  // fs.writeFileSync(__dirname + '/../package.json', JSON.stringify(pkg, null, 2));
  // exec('cd ' + __dirname + '/../;' +
  //   ' npm run install-and-build', function(err) {
  //   if (err) {
  //     return callback(err);
  //   }
  //   self.indexFile = self.filterIndexHTML(fs.readFileSync(__dirname + '/../public/index-template.html', {encoding: 'utf8'}));
  //   callback();
  // });
  self.indexFile = self.filterIndexHTML(fs.readFileSync(__dirname + '/../public/index-template.html', {encoding: 'utf8'}));
  callback();

};

FlosightUI.prototype.getRoutePrefix = function() {
  return this.routePrefix;
};

FlosightUI.prototype.setupRoutes = function(app, express) {
  var self = this;
  app.use(express.static(__dirname + '/../public'));
  // if not in found, fall back to indexFile (404 is handled client-side)
  app.use(function(req, res) {
    res.setHeader('Content-Type', 'text/html');
    res.send(self.indexFile);
  });
};

FlosightUI.prototype.filterIndexHTML = function(data) {
  var transformed = data;
  if (this.routePrefix !== '') {
    transformed = transformed.replace('<base href="/"', '<base href="/' + this.routePrefix + '/"');
  }
  return transformed;
};

module.exports = FlosightUI;