BathhouseManagment/Models/Database/BaseRepository.cs

using System;
using System.Collections.Generic;
using BathHouseManagmet.Models.Interfaces;
using MySqlConnector;

namespace BathHouseManagmet.Models.Database;

public abstract class BaseRepository<T> : IDisposable, IRepository<T> where T : class
{
    public abstract List<T> GetPage(int pageNumber, int pageSize);
    public abstract bool Add(T entity);
    public abstract bool Update(T entity);
    public abstract bool Delete(T entity);

    protected MySqlConnection connection;

    public BaseRepository()
    {
        string connectionString = "server=localhost;user=root;password=root;database=bathhouse";
        connection = new MySqlConnection(connectionString);
    }

    public bool OpenConnection()
    {
        try
        {
            connection.Open();
            return true;
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            return false;
        }
    }

    public bool CloseConnection()
    {
        try
        {
            connection.Close();
            return true;
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            return false;
        }
    }

    public bool ExecuteNonQuery(string query)
    {
        using var cmd = new MySqlCommand(query, connection);
        return cmd.ExecuteNonQuery() > 0;
    }

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