From 5b71368c5e7e12421d7bc06c1963a854ff546297 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miskolczi=20Rich=C3=A1rd?=
 <miskolczi.richard@protonmail.com>
Date: Wed, 22 Nov 2023 11:39:16 +0100
Subject: [PATCH] Implementing CRUD

---
 WD7UVN_HFT_2023241.Repository/CRUD.cs | 143 ++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 WD7UVN_HFT_2023241.Repository/CRUD.cs

diff --git a/WD7UVN_HFT_2023241.Repository/CRUD.cs b/WD7UVN_HFT_2023241.Repository/CRUD.cs
new file mode 100644
index 0000000..7ccdeaf
--- /dev/null
+++ b/WD7UVN_HFT_2023241.Repository/CRUD.cs
@@ -0,0 +1,143 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+using WD7UVN_HFT_2023241.Models;
+using WD7UVN_HFT_2023241.Repository;
+
+namespace WD7UVN_HFT_2023241.Repository
+{
+    public class CustomerRepository
+    {
+        public static void CreateCustomer(Customer customer)
+        {
+            Database.Context.Customers.Add(customer);
+            Database.Context.SaveChanges();
+        }
+
+        public static Customer ReadCustomer(int customerId)
+        {
+            return Database.Context.Customers.Find(customerId);
+        }
+
+        public static void UpdateCustomer(Customer updatedCustomer)
+        {
+            Customer existingCustomer = Database.Context.Customers.Find(updatedCustomer.ID);
+            if (existingCustomer != null)
+            {
+                Database.Context.Entry(existingCustomer).CurrentValues.SetValues(updatedCustomer);
+                Database.Context.SaveChanges();
+            }
+        }
+
+        public static void DeleteCustomer(int customerId)
+        {
+            Customer customerToDelete = Database.Context.Customers.Find(customerId);
+            if (customerToDelete != null)
+            {
+                Database.Context.Customers.Remove(customerToDelete);
+                Database.Context.SaveChanges();
+            }
+        }
+    }    
+
+    public class MaintainerTeamRepository
+    {
+        public static void CreateMaintainerTeam(MaintainerTeam maintainerTeam)
+        {
+            Database.Context.Maintainers.Add(maintainerTeam);
+            Database.Context.SaveChanges();
+        }
+
+        public static MaintainerTeam ReadMaintainerTeam(int maintainerTeamId)
+        {
+            return Database.Context.Maintainers.Find(maintainerTeamId);
+        }
+
+        public static void UpdateMaintainerTeam(MaintainerTeam updatedMaintainerTeam)
+        {
+            MaintainerTeam existingMaintainerTeam = Database.Context.Maintainers.Find(updatedMaintainerTeam.ID);
+            if (existingMaintainerTeam != null)
+            {
+                Database.Context.Entry(existingMaintainerTeam).CurrentValues.SetValues(updatedMaintainerTeam);
+                Database.Context.SaveChanges();
+            }
+        }
+
+        public static void DeleteMaintainerTeam(int maintainerTeamId)
+        {
+            MaintainerTeam maintainerTeamToDelete = Database.Context.Maintainers.Find(maintainerTeamId);
+            if (maintainerTeamToDelete != null)
+            {
+                Database.Context.Maintainers.Remove(maintainerTeamToDelete);
+                Database.Context.SaveChanges();
+            }
+        }
+    }
+
+    public class ServiceRepository
+    {
+        public static void CreateService(Service service)
+        {
+            Database.Context.Services.Add(service);
+            Database.Context.SaveChanges();
+        }
+
+        public static Service ReadService(int serviceId)
+        {
+            return Database.Context.Services.Find(serviceId);
+        }
+
+        public static void UpdateService(Service updatedService)
+        {
+            Service existingService = Database.Context.Services.Find(updatedService.ID);
+            if (existingService != null)
+            {
+                Database.Context.Entry(existingService).CurrentValues.SetValues(updatedService);
+                Database.Context.SaveChanges();
+            }
+        }
+
+        public static void DeleteService(int serviceId)
+        {
+            Service serviceToDelete = Database.Context.Services.Find(serviceId);
+            if (serviceToDelete != null)
+            {
+                Database.Context.Services.Remove(serviceToDelete);
+                Database.Context.SaveChanges();
+            }
+        }
+    }
+
+    public class EmployeeRepository
+    {
+        public static void CreateEmployee(Employee employee)
+        {
+            Database.Context.Employees.Add(employee);
+            Database.Context.SaveChanges();
+        }
+
+        public static Employee ReadEmployee(int employeeId)
+        {
+            return Database.Context.Employees.Find(employeeId);
+        }
+
+        public static void UpdateEmployee(Employee updatedEmployee)
+        {
+            Employee existingEmployee = Database.Context.Employees.Find(updatedEmployee.ID);
+            if (existingEmployee != null)
+            {
+                Database.Context.Entry(existingEmployee).CurrentValues.SetValues(updatedEmployee);
+                Database.Context.SaveChanges();
+            }
+        }
+
+        public static void DeleteEmployee(int employeeId)
+        {
+            Employee employeeToDelete = Database.Context.Employees.Find(employeeId);
+            if (employeeToDelete != null)
+            {
+                Database.Context.Employees.Remove(employeeToDelete);
+                Database.Context.SaveChanges();
+            }
+        }
+    }
+}
\ No newline at end of file