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