C# Project Tutorial: Business Logic in Food Court Project

Introduction:

In the intricate architecture of the Food Court Project, the BusinessLogic class stands as the driving force, orchestrating vital operations that bridge the gap between the application's frontend and the database. Let's delve into the core functionalities encapsulated within this business logic layer.

Database Connectivity:

The BusinessLogic class establishes a crucial link with the database through an instance of DataBaseLogic, facilitating seamless communication between the application and underlying data structures.


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using FoodCourtBusinessObject;
using FoodCourtDatabaseLogic;

namespace FoodCourtBusinessLogic
{
    public class BusinessLogic
    {
        DataBaseLogic dbLogic = new DataBaseLogic();
        
        #region This Block related to Food_Item_Type_No and Food_Item_Type_Name
        --- Code Go Here
      
    }
}

Food Item Type Operations:

The business logic layer efficiently manages operations related to food item types:

Insert Food Item Type:

The AddFoodItemTypeData method enables the addition of new food item types, enhancing the variety offered in the food court.


		#region Insert Food Item Type 
        public int AddFoodItemTypeData(BusinessObject ITObject)
        {
            return dbLogic.InsertFoodItemType(ITObject);
        }
        #endregion

Display Food Item Type to ComboBox:

The GetFoodItemType method retrieves food item types, providing a dynamic source for ComboBox display.


		#region Display Food Item Type to ComboBox 
        public DataSet GetFoodItemType()
        {
            DataSet dstype = new DataSet();
            dstype = dbLogic.GetIFoodtemType();
            return dstype;
        }
        #endregion

Food Items Operations:

For individual food items, the business logic layer offers a spectrum of functionalities:

Insert Food Items:

InsertFoodItems seamlessly integrates new food items into the system, contributing to a diverse menu.


		#region Insert Food Items
        public int InsertFoodItems(BusinessObject itemsObject)
        {
            return dbLogic.InsertFoodItems(itemsObject);
        }
        #endregion

Get Food Items Price:

The GetFoodItemPrice method fetches the price of specific food items, crucial for billing and financial transactions.


		#region Get Food Items Price
        public double GetFoodItemPrice(BusinessObject FIPObj)
        {
            return dbLogic.GetFooditemPrice(FIPObj);
        }
        #endregion

Display Quantity & Price:

GetQtyPrice retrieves quantity and price information, aiding in the comprehensive display of food item details.


		#region Display Quantity & Price
        public DataSet GetQtyPrice(BusinessObject QtyObject)
        {
            return dbLogic.DisplayQtyPriceFoodItem(QtyObject);
        }

        #endregion

Display Bill Data to GridView:

The BindBillData method populates a GridView with relevant billing information, enhancing transparency in financial records.


		#region Display Bill Data to GridView
        public DataSet BindBillData(BusinessObject BObj)
        {
            return dbLogic.DisplayBillDataGridView(BObj);
        }
        #endregion

Bind Food Item Name to ComboBox:

BindFoodItemNames provides a dynamic source for ComboBox display, facilitating a user-friendly selection of food items.


		#region Bind Food Item Name to ComboBox
        public DataSet BindFoodItemNames(BusinessObject FINObject)
        {
            return dbLogic.GetFoodItemsName(FINObject);
        }
        #endregion

Employee Operations:

Efficient management of employee-related information is a cornerstone of the business logic layer:

Create Employee Record:

InsertEmployeeRecord method adds new employee records, streamlining workforce management.


 		#region Create Employee Record
        public int InsertEmployeeRecord(BusinessObject empObject)
        {
            return dbLogic.CreateEmployeeAccount(empObject);
        }
        #endregion

Update Food Item Quantity and Stock Data:

The UpdateFoodItem_and_StockData method ensures accurate stock data and food item quantity updates, crucial for inventory management.


		#region Update Food Item Quantity and Stock Data
        public int UpdateFoodItem_and_StockData(BusinessObject updateObj)
        {
            return dbLogic.UpdateStockData(updateObj);
        }
        #endregion

Verify Employee Login Credentials:

Login validates employee login credentials, ensuring secure access to the system.


#region Verify Employee Login Credentials
        public DataSet Login(BusinessObject loginObj)
        {
            return dbLogic.VerifyLoginCredientials(loginObj);
        }
        #endregion

Get Employee's Data:

getEmployees retrieves employee data, offering insights into the workforce within the food court.


 		#region Get Employee's Data
        public DataSet getEmployees()
        {
            return dbLogic.GetEmployees();
        }
        #endregion

Update Employee:

The UpdateEmployee method enables administrators to update employee details, ensuring data accuracy.


		#region Update Employee
        public int UpdateEmployee(BusinessObject empUObj)
        {
            return dbLogic.UpdateEmployee(empUObj);
        }
        #endregion

Delete Employee's:

DeleteEmployee removes employee records, streamlining human resource management.


		#region Delete Employee's
        public int DeleteEmployee(BusinessObject eObject)
        {
            return dbLogic.DeleteEmployee(eObject);
        }
        #endregion

Reset Password:

The PasswordReset method provides a mechanism to reset employee passwords, enhancing security measures.


		#region Reset Password
        public int PasswordReset(BusinessObject prObj)
        {
            return dbLogic.ResetPassword(prObj);
        }
        #endregion

Billing Operations:

Efficient handling of billing transactions is paramount:

Inserting Bill Transaction and Master Details:

InsertBillTransaction method seamlessly integrates new billing transactions, maintaining an accurate record.


		#region Inserting Bill Transaction and Master Details
        public int InsertBillTransaction(BusinessObject BTObject)
        {
            return dbLogic.InsertBillTransaction(BTObject);
        }
        #endregion

Update Bill Master:

UpdateBillMaster ensures timely updates to the billing master, reflecting total sales and amount details.


		#region Update Bill Master
        public int UpdateBillMaster(BusinessObject BMObj)
        {
            return dbLogic.InsertBillMaster(BMObj);
        }
        #endregion

Conclusion:

The BusinessLogic class in the Food Court Project encapsulates a robust set of functionalities, ensuring the seamless flow of data between the application and the database. Its role in managing food item types, individual food items, employees, and billing operations is pivotal for the project's success, contributing to an efficient and user-friendly food court management system.

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