NoChangeConfigDao.cs

Description du code

NoChangeConfigDao.cs est un fichier du projet BiblioBrol.
Ce fichier est situé dans /var/www/bin/sniplets/bibliobrol/src/.

Projet BiblioBrol :

Gestion de media en CSharp.

Pour plus d'infos, vous pouvez consulter la brève analyse.

Code source ou contenu du fichier

  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text;
  4. using System.Data;
  5. using System.Data.Common;
  6. using be.gaudry.observer;
  7. using be.gaudry.model.exceptions;
  8. using be.gaudry.view;
  9.  
  10. namespace be.gaudry.bibliobrol.model.dao.mysql
  11. {
  12. public sealed class NoChangeConfigDao : Observable, IConfigDao
  13. {
  14. #region singleton
  15. static NoChangeConfigDao instance = null;
  16. static readonly object padlock = new object();
  17. private DbProviderFactory dbpf;
  18. private String conStr;
  19. NoChangeConfigDao()
  20. {
  21. dbpf = ((MySQLFactory)MySQLFactory.Instance).getDbpf();
  22. conStr = ((MySQLFactory)MySQLFactory.Instance).getConnectionString();
  23. }
  24.  
  25. public static NoChangeConfigDao Instance
  26. {
  27. get
  28. {
  29. lock (padlock)
  30. {
  31. if (instance == null)
  32. {
  33. instance = new NoChangeConfigDao();
  34. }
  35. return instance;
  36. }
  37. }
  38. }
  39. #endregion
  40.  
  41. #region IConfigDao Members
  42.  
  43. public List<BrolType> loadBrolTypes()
  44. {
  45. List<BrolType> types = new List<BrolType>();
  46. DbConnection dbCon = dbpf.CreateConnection();
  47. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  48. dbDa.SelectCommand = dbCon.CreateCommand();
  49. dbCon.ConnectionString = conStr;
  50. StringBuilder str = new StringBuilder("SELECT id, name FROM type");
  51. dbDa.SelectCommand.CommandText = str.ToString();
  52. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.SelectCommand.CommandText, this));
  53. DataTable typesDt = new DataTable();
  54. try
  55. {
  56. dbDa.Fill(typesDt);
  57. foreach (DataRow row in typesDt.Rows)
  58. {
  59. types.Add(new BrolType((int)row["id"],(String)row["name"]));
  60. }
  61. }
  62. catch (Exception e)
  63. {
  64. notify(new Notification(Notification.VERBOSE.error, "Chargement des types", e, this));
  65. }
  66. typesDt.Dispose();
  67. dbCon.Close();
  68. return types;
  69. }
  70.  
  71. public Person loadOwner()
  72. {
  73. int ownerId;
  74. return(Int32.TryParse(loadConfig("ownerId"),out ownerId))?NoChangePersonDao.Instance.loadPerson(ownerId, false):new Person();
  75. }
  76.  
  77. public bool saveOwner(Person owner)
  78. {
  79. if (owner.Id < 0)
  80. {
  81. notify(new Notification(Notification.VERBOSE.error, "Impossible de sauver le propriétaire.", this));
  82. return false;
  83. }
  84. return saveConfig("ownerId", owner.Id.ToString());
  85. }
  86.  
  87. public bool saveConfig(String configName, String configValue)
  88. {
  89.  
  90. DbConnection dbCon = dbpf.CreateConnection();
  91. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  92. dbDa.UpdateCommand = dbCon.CreateCommand();
  93. dbCon.ConnectionString = conStr;
  94. dbCon.Open();
  95. StringBuilder str = new StringBuilder("UPDATE config SET configValue='");
  96. str.Append(MySQLUtils.escapeAndTrim(configValue));
  97. str.Append("'");
  98. str.Append(" WHERE configName='");
  99. str.Append(MySQLUtils.escapeAndTrim(configName));
  100. str.Append("'");
  101. dbDa.UpdateCommand.CommandText = str.ToString();
  102. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.UpdateCommand.CommandText, this));
  103. try
  104. {
  105. dbDa.UpdateCommand.ExecuteNonQuery();
  106. }
  107. catch (Exception e)
  108. {
  109. notify(new Notification(Notification.VERBOSE.error, "Modification de la configuration", e, this));
  110. return false;
  111. }
  112. finally
  113. {
  114. dbCon.Close();
  115. }
  116. notify(new Notification(Notification.VERBOSE.opsResult, "La configuration est correctement modifiée", this));
  117. return true;
  118. }
  119. public String loadConfig(String configName)
  120. {
  121. String configValue;
  122. DbConnection dbCon = dbpf.CreateConnection();
  123. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  124. dbDa.SelectCommand = dbCon.CreateCommand();
  125. dbCon.ConnectionString = conStr;
  126. dbDa.SelectCommand.CommandText = "SELECT configValue FROM config WHERE configName='" + configName + "'";
  127. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.SelectCommand.CommandText, this));
  128. DataTable dataTable = new DataTable();
  129. try
  130. {
  131. dbDa.Fill(dataTable);
  132. configValue = (String)dataTable.Rows[0]["configValue"];
  133. }
  134. catch (Exception e)
  135. {
  136. notify(new Notification(Notification.VERBOSE.error, "Chargement de la configuration", e, this));
  137. configValue = "";
  138. }
  139. dataTable.Dispose();
  140. dbCon.Close();
  141. return configValue;
  142. }
  143.  
  144. /// <summary>
  145. /// Test if the persistance system is available
  146. /// </summary>
  147. public void testPersistance()
  148. {
  149. Splasher.Status = "Vérification de la base de données";
  150. bool testPersistence = false;
  151. DbConnection dbCon = dbpf.CreateConnection();
  152. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  153. dbDa.SelectCommand = dbCon.CreateCommand();
  154. dbCon.ConnectionString = conStr;
  155. dbDa.SelectCommand.CommandText = "SELECT id FROM type";
  156. try
  157. {
  158. dbDa.Fill(new DataTable());
  159. testPersistence = true;
  160. }
  161. catch (Exception)
  162. {
  163. throw new PersistanceNotFoundException("Base de données Access (" + conStr + ")");
  164. }
  165. finally
  166. {
  167. dbCon.Close();
  168. }
  169. if (testPersistence)
  170. {
  171. string version = loadConfig("persistanceVersion");
  172. switch (version)
  173. {
  174. case "0.0.1.18":
  175. patch080103();
  176. break;
  177. default: break;
  178. }
  179. }
  180. }
  181.  
  182. /// <summary>
  183. /// insert new category, and return new id to the category object
  184. /// </summary>
  185. /// <param name="cat">(BrolCategory) category to insert</param>
  186. public int insertCategory(BrolCategory cat, BrolType type)
  187. {
  188. DbConnection dbCon = dbpf.CreateConnection();
  189. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  190. dbDa.SelectCommand = dbCon.CreateCommand();
  191. dbCon.ConnectionString = conStr;
  192. return insertCategory(cat, type, dbCon, dbDa);
  193. }
  194. /// <summary>
  195. /// insert new category, and return new id to the category object
  196. /// Use existing DbConnection and DbDataAdapter
  197. /// </summary>
  198. /// <param name="cat"></param>
  199. /// <param name="type"></param>
  200. /// <param name="dbCon"></param>
  201. /// <param name="dbDa"></param>
  202. internal int insertCategory(BrolCategory cat, BrolType type, DbConnection dbCon, DbDataAdapter dbDa)
  203. {
  204. StringBuilder str = new StringBuilder();
  205. str.Append("INSERT INTO category (name typeId) VALUES(");
  206. str.Append(cat.Name);
  207. str.Append(",");
  208. str.Append(type.Id);
  209. str.Append(");");
  210. dbDa.InsertCommand = dbCon.CreateCommand();
  211. dbDa.InsertCommand.CommandText = str.ToString();
  212. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.InsertCommand.CommandText, this));
  213. try
  214. {
  215. dbDa.InsertCommand.ExecuteNonQuery();
  216. //bad smell code : may not work with concurent acces
  217. dbDa.InsertCommand.CommandText = "SELECT @@IDENTITY";
  218. return (int)dbDa.InsertCommand.ExecuteScalar();
  219. }
  220. catch (Exception e)
  221. {
  222. notify(new Notification(Notification.VERBOSE.error, "Ajout d'une catégorie", e, this));
  223. return -1;
  224. }
  225. }
  226.  
  227.  
  228. /// <summary>
  229. /// insert new insertBrolType, and return new id to the insertBrolType object
  230. /// </summary>
  231. /// <param name="cat">(BrolCategory) category to insert</param>
  232. public int insertBrolType(BrolType type)
  233. {
  234. DbConnection dbCon = dbpf.CreateConnection();
  235. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  236. dbDa.SelectCommand = dbCon.CreateCommand();
  237. dbCon.ConnectionString = conStr;
  238. return insertBrolType(type, dbCon, dbDa);
  239. }
  240. /// <summary>
  241. /// insert new insertBrolType, and return new id to the insertBrolType object
  242. /// Use existing DbConnection and DbDataAdapter
  243. /// </summary>
  244. /// <param name="cat"></param>
  245. /// <param name="type"></param>
  246. /// <param name="dbCon"></param>
  247. /// <param name="dbDa"></param>
  248. internal int insertBrolType(BrolType type, DbConnection dbCon, DbDataAdapter dbDa)
  249. {
  250. StringBuilder str = new StringBuilder();
  251. str.Append("INSERT INTO type (name) VALUES(");
  252. /*str.Append(type.Id);
  253.   str.Append(",");*/
  254. str.Append(MySQLUtils.escapeAndTrim(type.Name));
  255. str.Append(");");
  256. dbDa.InsertCommand = dbCon.CreateCommand();
  257. dbDa.InsertCommand.CommandText = str.ToString();
  258. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.InsertCommand.CommandText, this));
  259. try
  260. {
  261. dbDa.InsertCommand.ExecuteNonQuery();
  262. //bad smell code : may not work with concurent acces
  263. dbDa.InsertCommand.CommandText = "SELECT @@IDENTITY";
  264. return (int)dbDa.InsertCommand.ExecuteScalar();
  265. }
  266. catch (Exception e)
  267. {
  268. notify(new Notification(Notification.VERBOSE.error, "Ajout d'une catégorie", e, this));
  269. return -1;
  270. }
  271. }
  272. #endregion
  273.  
  274. #region db patches
  275.  
  276. /// <summary>
  277. /// Adapt field size
  278. /// </summary>
  279. private void patch080103()
  280. {
  281. Splasher.Status = "Installation de la mise à jour 080103 de la base de données";
  282. DbConnection dbCon = dbpf.CreateConnection();
  283. DbDataAdapter dbDa = dbpf.CreateDataAdapter();
  284. dbDa.UpdateCommand = dbCon.CreateCommand();
  285. dbCon.ConnectionString = conStr;
  286. dbCon.Open();
  287. dbDa.UpdateCommand.CommandText = "ALTER TABLE actor CHANGE roleValue roleValue VARCHAR( 100 )";
  288. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.UpdateCommand.CommandText, this));
  289. try
  290. {
  291. int r = dbDa.UpdateCommand.ExecuteNonQuery();
  292. //if (r==1)
  293. //{
  294. dbDa.UpdateCommand.CommandText = "UPDATE `config` SET `configValue` = '0.0.1.19' WHERE `config`.`configName` = 'persistanceVersion' LIMIT 1 ";
  295. notify(new Notification(Notification.VERBOSE.persistentOperation, dbDa.UpdateCommand.CommandText, this));
  296. r = dbDa.UpdateCommand.ExecuteNonQuery();
  297. //}
  298. if (r == 1)
  299. {
  300. Splasher.Status = "La mise à jour 080103 de la base de données vient d'être appliquée.";
  301. }
  302. }
  303. catch (Exception e)
  304. {
  305. notify(new Notification(Notification.VERBOSE.criticalError, e, this));
  306. }
  307. finally
  308. {
  309. dbCon.Close();
  310. }
  311. }
  312. #endregion
  313. }
  314. }

Structure et Fichiers du projet

Afficher/masquer...


Répertoires contenus dans /var/www/bin/sniplets/bibliobrol/src/model/dao/mysql/ 
IcôneNomTailleModification
IcôneNomTailleModification
| _ Répertoire parent0 octets1734935520 23/12/2024 07:32:00
| _utils0 octets1541007203 31/10/2018 18:33:23
Fichiers contenus dans /var/www/bin/sniplets/bibliobrol/src/model/dao/mysql/ 
IcôneNomTailleModificationAction
IcôneNomTailleModificationAction
Afficher le fichier .cs|.csNoChangeImporterDao.cs27.14 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csNoChangeExporterDao.cs33.69 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csNoChangeSerieDao.cs6.22 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csMySQLFactory.cs3.75 Ko31/10/2018 18:33:17-refusé-
Afficher le fichier .cs|.csNoChangeConfigDao.cs12.25 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csNoChangePersonDao.cs59.9 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csNoChangeTaskDao.cs8.92 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csNoChangeBrolDao.cs58.25 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csMySQLStatsDao.cs10.63 Ko31/10/2018 18:33:18-refusé-
Afficher le fichier .cs|.csMySQLMediaBrolDao.cs50.51 Ko31/10/2018 18:33:18-refusé-

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Document created the 16/10/2009, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/cs-bibliobrol-source-rf-model/dao/mysql//NoChangeConfigDao.cs.html

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