Inventory/AvaloniaApplication14_Inventory_300326/Models/DataBase/EmployeeRepository.cs

using System;
using System.Collections.Generic;
using AvaloniaApplication14_autoTest_190326.Models;
using AvaloniaApplication14_Di_test_1125.Models;
using AvaloniaApplication14_Inventory_300326.Models.Models;
using Microsoft.Extensions.Options;
using MySqlConnector;

namespace AvaloniaApplication14_Inventory_300326.Models.DataBase;

public class EmployeeRepository : BaseRepository<Employee>, IDisposable
{
    public EmployeeRepository(IOptions<DatabaseSettings> ConnectionString) : base(ConnectionString)
    {
        OpenConnection();
    }

    public override List<Employee>? GetAll()
    {
        string sql = "SELECT * FROM `Employees`";
        List<Employee> result = new List<Employee>();
        try
        {
            using var mc = new MySqlCommand(sql, connection);
            using var reader = mc.ExecuteReader();
            while (reader.Read())
            {
                Employee employee = new Employee()
                {
                    Id = reader.GetInt32("Id"),
                    FullName = reader.GetString("FullName"),
                    PositionId = reader.GetInt32("PositionId"),
                };
                result.Add(employee);
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e);

        }
        return result;
    }
    public List<Employee>? GetAllFrom0()
    {
        string sql = "SELECT * FROM `Employees` WHERE Id > 0";
        List<Employee> result = new List<Employee>();
        try
        {
            using var mc = new MySqlCommand(sql, connection);
            using var reader = mc.ExecuteReader();
            while (reader.Read())
            {
                Employee employee = new Employee()
                {
                    Id = reader.GetInt32("Id"),
                    FullName = reader.GetString("FullName"),
                    PositionId = reader.GetInt32("PositionId"),
                };
                result.Add(employee);
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e);

        }
        return result;
    }
    public override Employee? GetById(int id)
    {
        string sql = "SELECT * FROM `Employees` WHERE Id = @Id";
        Employee result = null;
        try
        {
            using var mc = new MySqlCommand(sql, connection);
            mc.Parameters.AddWithValue("@Id", id);
            using var reader = mc.ExecuteReader();
            while (reader.Read())
            {
                result = new Employee()
                {
                    Id = reader.GetInt32("Id"),
                    FullName = reader.GetString("FullName"),
                    PositionId = reader.GetInt32("PositionId"),
                };
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
        }
        return result;
    }

    public override bool Delete(int id)
    {
        string sql = "DELETE FROM `Employees` WHERE Id = @Id";
        try
        {
            using (var mc = new MySqlCommand(sql, connection))
            {
                mc.Parameters.AddWithValue("@Id", id);
                mc.ExecuteNonQuery();
            }
            return true;
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            return false;
        }
    }

    public override bool Update(Employee item)
    {
        string sql = "UPDATE TechInventory.Employees SET FullName=@FullName, PositionId=@PositionId WHERE Id=@Id;";
        try
        {
            using var mc = new MySqlCommand(sql, connection);
            mc.Parameters.AddWithValue("@Id", item.Id);
            mc.Parameters.AddWithValue("@FullName", item.FullName);
            mc.Parameters.AddWithValue("@PositionId", item.PositionId);
            mc.ExecuteNonQuery();
            return true;
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            return false;
        }
    }

    public override bool Add(Employee item)
    {
        string sql = "INSERT INTO TechInventory.Employees (FullName, PositionId) VALUES(@FullName, @PositionId);";
        try
        {
            using var mc = new MySqlCommand(sql, connection);
            mc.Parameters.AddWithValue("@FullName", item.FullName);
            mc.Parameters.AddWithValue("@PositionId", item.PositionId);
            mc.ExecuteNonQuery();
            return true;
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            return false;
        }
    }
    

    public void Dispose()
    {
        base.Dispose();
    }
}