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🍖 BBQ Heaven: Technical Architecture & Security

This Gist outlines the core logic powering the BBQ Heaven Rockingham ordering ecosystem, focusing on security, location-aware ordering, and real-time synchronization.

🔒 1. Access Control & Security (RBAC)

The system leverages Firebase Authentication and Realtime Database Rules to enforce Role-Based Access Control:

Customers: Granted Write-Only access to the orders node. This allows order submission while preventing customers from viewing other people's data.

What will it be?

Javascript

// Without running these in the browser, can you tell what each of the following would return?
['1', '2', '3', '4'].map(parseInt);

(new Array(2)).map(function() {
 return 1;

	// count the word that have at least 1 same letter from other word in the sentence,
	// will check letters only special characters will be ignored
	function countSameLetterInWord(sentence) {

	// remove special characters from the input
	let input = sentence.replace(/[^a-zA-Z ]/g, "");
	//console.log(input);
	let words = input.split(" ");
	let tempWords;
	let tempLetter;

	function arrayToCSV (twoDiArray) {
	// Modified from: http://stackoverflow.com/questions/17836273/
	// export-javascript-data-to-csv-file-without-server-interaction
	var csvRows = [];
	for (var i = 0; i < twoDiArray.length; ++i) {
	for (var j = 0; j < twoDiArray[i].length; ++j) {
	twoDiArray[i][j] = '\"' + twoDiArray[i][j] + '\"'; // Handle elements that contain commas
	}
	csvRows.push(twoDiArray[i].join(','));
	}

	<?php
	// Simply place the following two functions in _support/Helper/Acceptance.php
	// Then you can call $I->verifyRedirect(...) inside your tests

	namespace Helper;
	class Acceptance extends \Codeception\Module
	{

	/**
	* Ensure that a particular URL does NOT contain a 301/302

	///+ Service Type Stripe
	var cnt = 0;
	$('td:first-child').each(function() {
	if ($(this).text() != '') {
	cnt++;
	if (cnt % 2 == 0) {
	var oTR = $(this).parent();

	if (oTR.attr('class') == 'odd') {
	var nx = oTR.css('background-color','#faf6e6');

	#!/bin/bash

	#check disk space
	df -h

	#check dangling volume
	docker volume ls -qf dangling=true

	docker system prune -a --volumes

	#!/bin/sh
	docker images --format '{{.Size}}\t{{.Repository}}\t{{.Tag}}\t{{.ID}}' \| sed 's/ //' \| sort -h -r

	/**
	* Validate an input string if it is inside ASCII 32 - 126 range
	* @param string
	* @return true if all characters in the string are in range, else false
	*/
	var chkASCII32_126 = function(string) {
	return !string.match(/[^\x20-\x7e]/g);
	}

	$(".chorusASCIIValidation").keyup(function() {

	<?php

	require_once __DIR__ . '/vendor/autoload.php';
	use PhpAmqpLib\Connection\AMQPStreamConnection;


	$connection = new AMQPStreamConnection('jeric.devel.nz', 5672, 'guest', 'guest');
	$channel = $connection->channel();

	$channel->queue_declare('hello', false, false, false, false);