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 Posee class based on the database table
  20. */
  21. public class Posee : Object {
  22. /**
  23. * The specialty level
  24. */
  25. public uint nivel_especialidad { get; set; default = 0; }
  26. /**
  27. * The guide
  28. */
  29. public Guia guia { get; set; default = null; }
  30. /**
  31. * The speciality
  32. */
  33. public Especialidad especialidad { get; set; default = null; }
  34. /**
  35. * Initialize the Posee class
  36. * @param nivel_especialidad The specialty level
  37. * @param guia The guide
  38. * @param especialidad The specialty
  39. */
  40. public Posee (uint nivel_especialidad = 0, Guia? guia = null, Especialidad? especialidad = null) {
  41. this.nivel_especialidad = nivel_especialidad;
  42. this.guia = guia;
  43. this.especialidad = especialidad;
  44. }
  45. /**
  46. * Get all tuples and fields from database
  47. * @param conn.db.The database conn.db.ction to use
  48. * @return Returns a list of Posee
  49. */
  50. public static List<Posee> get_all_posees (Connection conn) {
  51. var res = conn.db.exec ("
  52. SELECT P.nivel_especialidad,
  53. G.rut_guia, G.nombre_guia, G.calle, G.numero,
  54. C.id_ciudad, C.nombre_ciudad,
  55. R.id_region, R.nombre_region,
  56. E.id_especialidad, E.descripcion_especialidad
  57. FROM posee P
  58. JOIN guia G on (P.rut_guia = G.rut_guia)
  59. JOIN ciudad C ON (G.id_ciudad = C.id_ciudad)
  60. JOIN region R ON (C.id_region = R.id_region)
  61. JOIN especialidad E ON (P.id_especialidad = E.id_especialidad)
  62. ");
  63. if (res.get_status () != ExecStatus.TUPLES_OK) {
  64. #if DEBUG
  65. error (conn.db.get_error_message ());
  66. #else
  67. warning (conn.db.get_error_message ());
  68. return new List<Posee> ();
  69. #endif
  70. }
  71. var wra = new ResultWrapper (res);
  72. List<Posee> list = new List<Posee> ();
  73. int n = res.get_n_tuples ();
  74. for (int i = 0; i < n; i++) {
  75. try {
  76. var posee = new Posee (wra.get_int_n (i, "nivel_especialidad"),
  77. new Guia (wra.get_string_n (i, "rut_guia"),
  78. wra.get_string_n (i, "nombre_guia"),
  79. wra.get_string_n (i, "calle"),
  80. wra.get_int_n (i, "numero"),
  81. new Ciudad (wra.get_int_n (i, "id_ciudad"),
  82. wra.get_string_n (i, "nombre_ciudad"),
  83. new Region (wra.get_int_n (i, "id_region"),
  84. wra.get_string_n (i, "nombre_region")
  85. )
  86. )
  87. ),
  88. new Especialidad (wra.get_int_n (i, "id_especialidad"),
  89. wra.get_string_n (i, "descripcion_especialidad")
  90. )
  91. );
  92. list.append (posee);
  93. }
  94. catch (Error e) {
  95. #if DEBUG
  96. error (e.message);
  97. #else
  98. warning (e.message);
  99. #endif
  100. }
  101. }
  102. return list;
  103. }
  104. }
  105. }
  106. }