Farm management system

I want a firm management system using PHP. Required features, Login module: In this module, the buyer, vendor, employee and administrator can login to the system by entering a login id. login and password. The system opens the main account page after login. Messenger Module: The customer can register to the website by entering profile details. The customer can purchase products that are uploaded by an administrator. They can also apply to purchase farm produce uploaded by farmers. After quality testing and price values, the customer can approve or reject the purchase request. Sales model: Farmers are the sellers where they can sell their productions online. The system displays farm produce on the main page of the website. Employee Module: This module is for employees where they can register by entering their profile and experience details. Farmers can employ farm workers in this model. Dashboard Module: There is a Dashboard Module for Administrator and Staff. In the dashboard module, the site admin has complete options. Employees can manage all types of records. Article module: In the article module, staff or administration can post news and blogs. This article model is helpful for farmers. Farmers can view the article by browsing the article table. Category module: In this module, the administrator can create different types of categories. There are three types in the system: i.e. Farm Produce, Agricultural Machinery & Tools, and Article types. Location model: This is the main page where admin can add country, state, city. Product Model: This website sells two types of products. Management or employees can sell produce directly and it has an alternative where farmers can sell the produce online. Billing Report: The system generates bills after you buy the product. The system automatically estimates the total cost. In the billing report, it displays customer contact information, billing details, and purchased product information