using System; using System.Collections.Generic; using BathHouseManagmet.Models; using BathHouseManagmet.Models.Database; using Microsoft.Extensions.Options; using MySqlConnector; namespace BathHouseManagmet.Database; public class ClientRepository : BaseRepository, IDisposable { public ClientRepository() { OpenConnection(); } public override List GetPage(int pageNumber, int pageSize) { List result = new(); string sql = "select * from `client` limit @limit offset @offset"; try { using var command = new MySqlCommand(sql, connection); command.Parameters.AddWithValue("@limit", pageNumber); command.Parameters.AddWithValue("@offset", pageNumber * pageSize); using var reader = command.ExecuteReader(); while (reader.Read()) { result.Add(new Client { Id = reader.GetInt32("id"), Name = reader.GetString("name"), Surname = reader.GetString("surname"), }); } } catch (Exception e) { Console.WriteLine(e); } return result; } public override bool Add(Client client) { string sql = "insert into `client` (`id`, `name`, `surname`) values (0, @name, @surname)"; try { using (var command = new MySqlCommand(sql, connection)) { command.Parameters.AddWithValue("@name", client.Name); command.Parameters.AddWithValue("@surname", client.Surname); command.ExecuteNonQuery(); } } catch (Exception e) { Console.WriteLine(e); return false; } return true; } public override bool Update(Client client) { string sql = "update `client` set name = @name, surname = @surname"; try { using (var command = new MySqlCommand(sql, connection)) { command.Parameters.AddWithValue("@name", client.Name); command.Parameters.AddWithValue("@surname", client.Surname); command.ExecuteNonQuery(); } } catch (Exception e) { Console.WriteLine(e); return false; } return true; } public override bool Delete(Client client) { string sql = "delete from `client` where `id` = " + client.Id; try { using (var command = new MySqlCommand(sql, connection)) { command.ExecuteNonQuery(); } } catch (Exception e) { Console.WriteLine(e); return false; } return true; } public int GetRowsCount() { string sql = "select count(id) from `client`"; try { using var command = new MySqlCommand(sql, connection); return Convert.ToInt32(command.ExecuteScalar()); } catch (Exception e) { Console.WriteLine(e); return 0; } } public void Dispose() { CloseConnection(); base.Dispose(); } }