PHP Classes

How to Implement a PHP Stock Management System to Help Commerce Businesses to Decide When They Need to Purchase More Products That Are Running Out Of Stock Using the Package Observe: Control product stocks with the observer pattern

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Last Updated Ratings Unique User Downloads Download Rankings
2024-07-06 (7 months ago) RSS 2.0 feedNot enough user ratingsTotal: 32 All time: 11,115 This week: 45Up
Version License PHP version Categories
observe 1.0MIT/X Consortium ...8E-Commerce, Design Patterns, PHP 8
Description 

Author

Rodrigo Faustino

This package can show how to control product stocks with the design observer pattern.

It provides several interface definitions with functions that register observer objects and call those objects when an event occurs.

The email observer interface sends an email message when a product quantity is low in stock.

The stock control request observer interface adds a product to the list of purchases when the stock control is updated.

The stock control subject class uses the observer interfaces to notify when all observer classes run out of stock.

Innovation Award
PHP Programming Innovation award nominee
July 2024
Number 8		 The observer design pattern is useful for projects that manage objects affected by the changes in other objects.

For instance, in an e-commerce system, when a product is purchased, the product quantities in stock are updated.

When the product quantities are too low, the people responsible for buying more stock need to be notified so they can buy a new batch of products to be able to sell more products before the quantities in stock reach zero and the customers need to wait a long time to get the products.

This package demonstrates how developers can use the observer design pattern to automate the management of products to sell by a commerce business.

Manuel Lemos
Picture of Rodrigo Faustino
  Performance   Level  

Level 1 Star

 Innovation award
Innovation award
Nominee: 23x

Winner: 3x

 

Example

<?php

require 'vendor/autoload.php';
 use Estoque\App\ControleEstoqueSubject;
 use Estoque\App\ControleRequisicoesCompraObserver;
 use Estoque\App\EmailObserver;

$controleEstoqueSubject = new ControleEstoqueSubject();
 
$controleRequisicaoCompraObserver = new ControleRequisicoesCompraObserver();
$emailObserver = new EmailObserver();

$controleEstoqueSubject->adicionarObserver($controleRequisicaoCompraObserver);
//$controleEstoqueSubject->adicionarObserver($emailObserver);

$controleEstoqueSubject->notificarObservers(13);

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