100 lines
4.1 KiB
C#
100 lines
4.1 KiB
C#
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using HotelAbstractions.Logic;
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using HotelAbstractions.Models;
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using Npgsql;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace HotelDatabase.Implement
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{
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public class ServiceCheckImplement : IServiceCheckLogic
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{
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public ServiceCheck? Create(ServiceCheck serviceCheck)
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{
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using var con = SqlConnection.GetConnection();
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con.Open();
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using var cmd = new NpgsqlCommand(
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"INSERT INTO service_check (fk_reservation_id, fk_service_id, count, service_date)" +
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" VALUES (@FKReservation_id, @FKService_id, @Count, @Service_date)",
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con
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);
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cmd.Parameters.AddWithValue("@FKReservation_id", serviceCheck.ReservationId == 0 ? DBNull.Value : serviceCheck.ReservationId);
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cmd.Parameters.AddWithValue("@FKService_id", serviceCheck.ServiceId == 0 ? DBNull.Value : serviceCheck.ServiceId);
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cmd.Parameters.AddWithValue("@Count", serviceCheck.Count);
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cmd.Parameters.AddWithValue("@Service_date", serviceCheck.DateTime);
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cmd.ExecuteNonQuery();
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return serviceCheck;
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}
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public ServiceCheck? Delete(int id)
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{
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var element = Get(id);
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using var con = SqlConnection.GetConnection();
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con.Open();
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using var cmd = new NpgsqlCommand($"DELETE FROM service_check WHERE service_check_id = {id}", con);
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cmd.ExecuteNonQuery();
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return element;
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}
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public ServiceCheck? Get(int id)
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{
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using var con = SqlConnection.GetConnection();
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con.Open();
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using var cmd = new NpgsqlCommand($"SELECT * FROM service_check WHERE service_check_id = {id}", con);
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using var reader = cmd.ExecuteReader();
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if (reader.Read())
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{
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return new ServiceCheck
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{
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Id = reader.GetInt32(0),
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ReservationId = !reader.IsDBNull(1) ? reader.GetInt32(1) : 0,
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ServiceId = !reader.IsDBNull(2) ? reader.GetInt32(2) : 0,
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Count = reader.GetInt32(3),
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DateTime = reader.GetDateTime(4),
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};
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}
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return null;
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}
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public List<ServiceCheck> GetAll()
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{
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var serviceChecks = new List<ServiceCheck>();
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using var con = SqlConnection.GetConnection();
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con.Open();
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using var cmd = new NpgsqlCommand("SELECT * FROM service_check order by service_check_id", con);
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using var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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serviceChecks.Add(new ServiceCheck
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{
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Id = reader.GetInt32(0),
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ReservationId = !reader.IsDBNull(1) ? reader.GetInt32(1) : 0,
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ServiceId = !reader.IsDBNull(2) ? reader.GetInt32(2) : 0,
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Count = reader.GetInt32(3),
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DateTime = reader.GetDateTime(4),
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});
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}
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return serviceChecks;
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}
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public ServiceCheck? Update(ServiceCheck serviceCheck)
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{
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using var con = SqlConnection.GetConnection();
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con.Open();
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using var cmd = new NpgsqlCommand($"UPDATE service_check SET " +
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$"fk_reservation_id = @FKReservation_Id, " +
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$"fk_service_id = @FKService_Id, " +
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$"count = '{serviceCheck.Count}', " +
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$"service_date = '{serviceCheck.DateTime}', " +
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$"WHERE service_check_id = '{serviceCheck.Id}' ", con);
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cmd.Parameters.AddWithValue("@FKReservation_Id", serviceCheck.ReservationId == 0 ? DBNull.Value : serviceCheck.ReservationId);
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cmd.Parameters.AddWithValue("@FKService_Id", serviceCheck.ServiceId == 0 ? DBNull.Value : serviceCheck.ServiceId);
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cmd.ExecuteNonQuery();
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var element = Get(serviceCheck.Id);
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return element;
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}
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}
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}
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