BathhouseManagment/Database/OrderRepository.cs

using System;
using System.Collections.Generic;
using BathHouseManagmet.Models;
using Microsoft.Extensions.Options;
using MySqlConnector;

namespace BathHouseManagmet.Database;

public class OrderRepository
{
    MySqlConnection connection;

    public OrderRepository(IOptions<DatabaseConnection> connect)
    {
        connection = new MySqlConnection(connect.Value.ConnectionString);
    }

    public List<Order> GetOrders()
    {
        List<Order> result = new();
        string sql = "select * from orders";
        try
        {
            connection.Open();
            using (var command = new MySqlCommand(sql, connection))
            using (var reader = command.ExecuteReader())
            {
                while (reader.Read())
                {
                    result.Add(new Order
                    {
                        Id = reader.GetInt32("id"),
                        ClientId = reader.GetInt32("client_id"),
                        ZoneId =  reader.GetInt32("zone_id"),
                        OrderDate = reader.GetDateTime("order_date"),
                        WorkPrice =  reader.GetInt32("work_price"),
                        EmployeeId = reader.GetInt32("employee_id"),
                        DiscountId = reader.GetInt32("discount_id"),
                        FinalPrice = reader.GetInt32("final_price"),
                    });
                }
            }
            connection.Close();
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
        }
        return result;
    }

    public bool InsertOrder(Order order)
    {
        string sql =
            "insert into `order` (`id`, `client_id`, `zone_id`, `order_date`, `work_price`, `employee_id`, `discount_id`, `final_price`) values (0, @client_id, @client_id, @zone_id, @order_date, @work_price, @employee_id, @discount_id, @final_price)";
        try
        {
            connection.Open();
            using (var command = new MySqlCommand(sql, connection))
            {
                command.Parameters.AddWithValue("@client_id", order.ClientId);
                command.Parameters.AddWithValue("@zone_id", order.ZoneId);
                command.Parameters.AddWithValue("@order_date", order.OrderDate);
                command.Parameters.AddWithValue("@work_price", order.WorkPrice);
                command.Parameters.AddWithValue("@employee_id", order.EmployeeId);
                command.Parameters.AddWithValue("@discount_id", order.DiscountId);
                command.Parameters.AddWithValue("@final_price", order.FinalPrice);
                command.ExecuteNonQuery();
            }
            connection.Close();
        }
        catch (Exception e)
        {
            connection.Close();
            return false;
        }
        connection.Close();
        return true;
    }

    public bool UpdateOrder(Order order)
    {
        string sql = 
            "update `order` set client_id = @client_id, zone_id = @zone_id, order_date = @order_date, work_price = @work_price, employee_id = @employee_id, discount_id = @discount_id, final_price = @final_price";
        try
        {
            connection.Open();
            using (var command = new MySqlCommand(sql, connection))
            {
                command.Parameters.AddWithValue("@client_id", order.ClientId);
                command.Parameters.AddWithValue("@zone_id", order.ZoneId);
                command.Parameters.AddWithValue("@order_date", order.OrderDate);
                command.Parameters.AddWithValue("@work_price", order.WorkPrice);
                command.Parameters.AddWithValue("@employee_id", order.EmployeeId);
                command.Parameters.AddWithValue("@discount_id", order.DiscountId);
                command.Parameters.AddWithValue("@final_price", order.FinalPrice);
                command.ExecuteNonQuery();
            }
            connection.Close();
        }
        catch (Exception e)
        {
            connection.Close();
            return false;
        }
        connection.Close();
        return true;
    }

    public bool DeleteOrder(Order order)
    {
        string sql = "delete from `order` where `id` = " + order.Id;
        try
        {
            connection.Open();
            using (var command = new MySqlCommand(sql, connection))
            {
                command.ExecuteNonQuery();
            }
            connection.Close();
        }
        catch (Exception e)
        {
            connection.Close();
            return false;
        }
        connection.Close();
        return true;
    }
}