Este proyecto es una aplicación para trabajar con un base de datos Postgresql por el ramo de base de datos. https://cromer.cl/sernatur
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  1. /*
  2. * Copyright 2018-2019 Chris Cromer
  3. *
  4. * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
  5. *
  6. * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  7. *
  8. * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  9. *
  10. * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
  11. *
  12. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  13. */
  14. namespace LibSernatur {
  15. namespace DB {
  16. using Postgres;
  17. using Wrapper;
  18. /**
  19. * The Vehiculo class based on the database table
  20. */
  21. public class Vehiculo : Object {
  22. /**
  23. * The license plate
  24. */
  25. public string patente { get; set; default = ""; }
  26. /**
  27. * The year of the vehicle
  28. */
  29. public uint ano_vehiculo { get; set; default = 0; }
  30. /**
  31. * The make of the vehicle
  32. */
  33. public string marca { get; set; default = ""; }
  34. /**
  35. * The capacity of the vehicle
  36. */
  37. public uint capacidad { get; set; default = 0; }
  38. /**
  39. * Initialize the Vehiculo class
  40. * @param patente The license plate
  41. * @param ano_vehiculo The year of the vehicle
  42. * @param marca The make of the vehicle
  43. * @param capacidad The capacity of the vehicle
  44. */
  45. public Vehiculo (string patente = "", uint ano_vehiculo = 0, string marca = "", uint capacidad = 0) {
  46. this.patente = patente;
  47. this.ano_vehiculo = ano_vehiculo;
  48. this.marca = marca;
  49. this.capacidad = capacidad;
  50. }
  51. /**
  52. * Get all tuples and fields from database
  53. * @param conn.db.The database conn.db.ction to use
  54. * @return Returns a list of Vehiculo
  55. */
  56. public static List<Vehiculo> get_all_vehiculos (Connection conn) {
  57. var res = conn.db.exec ("
  58. SELECT patente, ano_vehiculo, marca, capacidad FROM vehiculo
  59. ");
  60. if (res.get_status () != ExecStatus.TUPLES_OK) {
  61. #if DEBUG
  62. error (conn.db.get_error_message ());
  63. #else
  64. warning (conn.db.get_error_message ());
  65. return new List<Vehiculo> ();
  66. #endif
  67. }
  68. var wra = new ResultWrapper (res);
  69. List<Vehiculo> list = new List<Vehiculo> ();
  70. int n = res.get_n_tuples ();
  71. for (int i = 0; i < n; i++) {
  72. try {
  73. var vehiculo = new Vehiculo (wra.get_string_n (i, "patente"),
  74. wra.get_int_n (i, "ano_vehiculo"),
  75. wra.get_string_n (i, "marca"),
  76. wra.get_int_n (i, "capacidad")
  77. );
  78. list.append (vehiculo);
  79. }
  80. catch (Error e) {
  81. #if DEBUG
  82. error (e.message);
  83. #else
  84. warning (e.message);
  85. #endif
  86. }
  87. }
  88. return list;
  89. }
  90. }
  91. }
  92. }