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 Region class based on the database table
  20. */
  21. public class Region : Object {
  22. /**
  23. * The id of the region
  24. */
  25. public uint id_region { get; set; default = 0; }
  26. /**
  27. * The name of the region
  28. */
  29. public string nombre_region { get; set; default = ""; }
  30. /**
  31. * Initialize the Region class
  32. * @param id_region The region id
  33. * @param nombre_region The region name
  34. */
  35. public Region (uint id_region = 0, string nombre_region = "") {
  36. this.id_region = id_region;
  37. this.nombre_region = nombre_region;
  38. }
  39. /**
  40. * Get all tuples and fields from database
  41. * @param conn.db.The database conn.db.ction to use
  42. * @return Returns a list of Region
  43. */
  44. public static List<Region> get_all_regiones (Connection conn) {
  45. var res = conn.db.exec ("
  46. SELECT id_region, nombre_region FROM region
  47. ");
  48. if (res.get_status () != ExecStatus.TUPLES_OK) {
  49. #if DEBUG
  50. error (conn.db.get_error_message ());
  51. #else
  52. warning (conn.db.get_error_message ());
  53. return new List<Region> ();
  54. #endif
  55. }
  56. var wra = new ResultWrapper (res);
  57. List<Region> list = new List<Region> ();
  58. int n = res.get_n_tuples ();
  59. for (int i = 0; i < n; i++) {
  60. try {
  61. var region = new Region (wra.get_int_n (i, "id_region"),
  62. wra.get_string_n (i, "nombre_region")
  63. );
  64. list.append (region);
  65. }
  66. catch (Error e) {
  67. #if DEBUG
  68. error (e.message);
  69. #else
  70. warning (e.message);
  71. #endif
  72. }
  73. }
  74. return list;
  75. }
  76. }
  77. }
  78. }