WebSVN – eFlore/Applications.cel – Diff – /trunk/jrest/bibliotheque/GestionMotsClesChemin.php

 <?php
 /**
 * @package   jrest
 * @author    Aurélien Peronnet <aurelien@tela-botania.org>
 * @copyright 2010, 2013 Tela-Botanica
 * @license   http://www.cecill.info/licences/Licence_CeCILL_V2-fr.txt Licence CECILL
+*
 * Librairie de liaison d'images et d'observation à des mots clés en utilisant la méthode
 * path enumeration
 */
 class GestionMotsClesChemin {
 	private $config;
 	private $mode;
 	private $table_liaison;
 	private $table_mots_cles;
+	private $champ_id_element_lie;
 	public function GestionMotsClesChemin($config, $mode = 'obs') {
 		$this->config = $config;
 		//TODO: switch suivant mode
+		$this->mode = $mode;
+		if($mode == 'obs') {
-		$this->table_liaison = 'cel_obs_tags_path_liaison';
+			$this->table_liaison = 'cel_obs_tags_path_liaison';
-		$this->table_mots_cles = 'cel_obs_tags_path';
+			$this->table_mots_cles = 'cel_obs_tags_path';
+			$this->champ_id_element_lie = 'id_obs';
+		} else {
+			$this->table_liaison = 'cel_images_tags_path_liaison';
+			$this->table_mots_cles = 'cel_images_tags_path';
+			$this->champ_id_element_lie = 'id_image';
+		}
+	}
 	public function viderTables() {
 		$requete = "TRUNCATE ".$this->table_mots_cles." ";
 		$vidage = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		$requete = "TRUNCATE ".$this->table_liaison." ";
 		$vidage = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $vidage;
+	}
+	public function construireRequeteOr($mots_cles) {
+		return $this->construireRequete($mots_cles, 'OR');
+	}
+	public function construireRequeteCheminOr($mots_cles) {
+		return $this->construireRequeteChemin($mots_cles, 'OR');
+	}
+	public function construireRequeteAnd($mots_cles) {
+		return $this->construireRequete($mots_cles, 'AND');
+	}
+	public function construireRequeteCheminAnd($mots_cles) {
+		return $this->construireRequeteChemin($mots_cles, 'AND');
+	}
+	public function construireRequete($mots_cles, $operateur = 'AND') {
+		$requete = "SELECT * FROM cel_images_tags_path_liaison ";
+		$criteres = array();
+		$premier = array_pop($mots_cles);
+		$requete .= 'WHERE (tag = '.Cel::db()->proteger($premier).' ';
+		foreach ($mots_cles as $mot_cle) {
+			$requete .= " ".$operateur." id_image IN (SELECT id_image ".
+										"FROM cel_images_tags_path_liaison ".
+										"WHERE tag = ".Cel::db()->proteger($mot_cle)." ".
+										") ";
+		}
+		$requete .= ")";
+		$images = Cel::db()->requeter($requete);
+		return $images;
-	public function convertirNestedSetVersPathEnum() {
+	}
+	private function construireRequeteChemin($mots_cles, $operateur = 'AND') {
+		$requete = "SELECT * FROM cel_images_tags_path_liaison ";
+		$criteres = array();
+		$premier = array_pop($mots_cles);
+		$requete .= 'WHERE (chemin LIKE '.Cel::db()->proteger('%/'.$premier.'/%').' ';
+		foreach ($mots_cles as $mot_cle) {
+			$requete .= " ".$operateur." id_image IN (SELECT id_image ".
+												"FROM cel_images_tags_path_liaison ".
+												"WHERE chemin LIKE ".Cel::db()->proteger('%/'.$mot_cle.'/%')." ".
+												") ";
+		}
+		$requete .= ")";
+		$images = Cel::db()->requeter($requete);
+		return $images;
+	}
+	private function obtenirMotsClesOriginaux($mode) {
-		$time_start = microtime();
+		if($mode == 'obs') {
+			$requete_arbre = "SELECT id_mot_cle_obs as id_mot_cle, ce_mot_cle_obs_parent as parent, id_utilisateur, mot_cle ".
+							"FROM cel_mots_cles_obs_srv ORDER BY id_utilisateur, niveau";
+		} else {
+			$requete_arbre = "SELECT id_mot_cle_image as id_mot_cle, ce_mot_cle_image_parent as parent, id_utilisateur, mot_cle ".
+							"FROM cel_mots_cles_images_srv ORDER BY id_utilisateur, niveau";
+		}
-		$requete_arbre = "SELECT * FROM cel_mots_cles_obs_srv ORDER BY id_utilisateur, niveau";
-		$mots_cles = Cel::db()->requeter($requete_arbre);
-		$requete_liaisons = "SELECT comc.id_observation, comc.id_mot_cle_obs, o.ce_utilisateur as id_utilisateur ".
-									"FROM cel_obs_mots_cles comc ".
-									"INNER JOIN cel_obs o ON o.id_observation = comc.id_observation ";
-		$liaisons = Cel::db()->requeter($requete_liaisons);
+		$mots_cles = Cel::db()->requeter($requete_arbre);
 		$mots_cles_hierarchiques = array();
 		$correspondances_id_mots_cles_obs = array();
+		$rien = 0;
 		foreach($mots_cles as &$mot) {
+			if(!empty($mot['mot_cle'])) {
+				$chemin = '/';
-			$chemin = '/';
+				$cle_parent = $mot['parent'].'-'.$mot['id_utilisateur'];
-			if(isset($mots_cles_hierarchiques[$mot['ce_mot_cle_obs_parent']])) {
+				if(isset($mots_cles_hierarchiques[$cle_parent])) {
+					$chemin = $mots_cles_hierarchiques[$cle_parent]['chemin'];
+				}
+				$chemin .= self::simplifier($mot['mot_cle']).'/';
+				$chemin = str_replace("//", "/", $chemin);
+				$cle = $mot['id_mot_cle'].'-'.$mot['id_utilisateur'];
+				$mots_cles_hierarchiques[$cle] = array(
+								'id_utilisateur' => $mot['id_utilisateur'],
+								'chemin' => $chemin,
+								'tag' => $mot['mot_cle']
-				$chemin = $mots_cles_hierarchiques[$mot['ce_mot_cle_obs_parent']]['chemin'];
+				);
-			}
-			$chemin .= self::simplifier($mot['mot_cle']).'/';
-			$chemin = str_replace("//", "", $chemin);
-			$cle = $mot['id_mot_cle_obs'].'-'.$mot['id_utilisateur'];
-			$mots_cles_hierarchiques[$cle] = array(
-					'id_utilisateur' => $mot['id_utilisateur'],
-					'chemin' => $chemin,
-					'tag' => $mot['mot_cle']
 			);
 		}
+		return $mots_cles_hierarchiques;
+	}
+	private function obtenirLiaisonsMotsClesOriginaux($mode) {
+		if($mode == 'obs') {
+			$requete_liaisons = "SELECT comc.id_observation as id_element_lie, comc.id_mot_cle_obs as id_mot_cle, id_utilisateur as id_utilisateur ".
+														"FROM cel_obs_mots_cles_srv comc ";
+														//"INNER JOIN cel_obs o ON o.id_observation = comc.id_observation ";
+		} else {
+			$requete_liaisons = "SELECT comc.id_image as id_element_lie, comc.id_mot_cle_image as id_mot_cle, id_utilisateur as id_utilisateur ".
+																	"FROM cel_images_mots_cles_srv comc ";
+																	//"INNER JOIN cel_images o ON o.id_image = comc.id_image ";
+		}
+		$liaisons = Cel::db()->requeter($requete_liaisons);
+		return $liaisons;
+	}
+	public function convertirNestedSetVersPathEnum() {
+		$mots_cles_hierarchiques = $this->obtenirMotsClesOriginaux($this->mode);
+		$liaisons = $this->obtenirLiaisonsMotsClesOriginaux($this->mode);
+		/*foreach($mots_cles_hierarchiques as $mot) {
+			echo $mot['chemin'].'<br />';
+		}*/
+		//echo '<pre>'.print_r($liaisons,true).'</pre>';
+		//exit;
 		$time_end = microtime();
-		$time = $time_end - $time_start;
+		$time_start = microtime();
 		$mots_cles_slice = array_chunk($mots_cles_hierarchiques, 800, true);
 		foreach($mots_cles_slice as $mots_cles_tranche) {
 			$requete_insertion_mots_cles = "INSERT INTO ".$this->table_mots_cles." (chemin, id_utilisateur, tag) ".
 			                     			" VALUES ";
 			foreach($mots_cles_tranche as $cle => $mot_cle_tranche) {
 				$requete_insertion_mots_cles .= "(".
 					cel::db()->proteger($mot_cle_tranche['chemin']).", ".
 					cel::db()->proteger($mot_cle_tranche['id_utilisateur']).", ".
 					cel::db()->proteger($mot_cle_tranche['tag'])." ".
 				"), ";
+			}
 			$requete_insertion_mots_cles = rtrim($requete_insertion_mots_cles, ", ");
 			cel::db()->executer($requete_insertion_mots_cles);
+		}
 		$gne = 0;
 		$liaisons_slice = array_chunk($liaisons, 800, true);
 		foreach($liaisons_slice as &$liaison_tranche) {
-			$requete_insertion_liaisons = "INSERT INTO ".$this->table_liaison." (id_obs, chemin, id_utilisateur) ".
+			$requete_insertion_liaisons = "INSERT INTO ".$this->table_liaison." (".$this->champ_id_element_lie.", chemin, tag, id_utilisateur) ".
 									      " VALUES ";
 			$lier = false;
 			foreach($liaison_tranche as &$liaison_obs_mot_cle) {
-				$cle = $liaison_obs_mot_cle['id_mot_cle_obs'].'-'.$liaison_obs_mot_cle['id_utilisateur'];
+				$cle = $liaison_obs_mot_cle['id_mot_cle'].'-'.$liaison_obs_mot_cle['id_utilisateur'];
 				if(isset($mots_cles_hierarchiques[$cle])) {
 					$requete_insertion_liaisons .= "(".
-						cel::db()->proteger($liaison_obs_mot_cle['id_observation']).", ".
+						cel::db()->proteger($liaison_obs_mot_cle['id_element_lie']).", ".
 						cel::db()->proteger($mots_cles_hierarchiques[$cle]['chemin']).", ".
+						cel::db()->proteger($mots_cles_hierarchiques[$cle]['tag']).", ".
 						cel::db()->proteger($liaison_obs_mot_cle['id_utilisateur'])." ".
 					"), ";
 					$lier = true;
+				}
+			}
 			if($lier) {
 				$requete_insertion_liaisons = rtrim($requete_insertion_liaisons, ", ");
 				cel::db()->executer($requete_insertion_liaisons);
+			}
+		}
+		$time = microtime() - $time_start;
-		echo "La génération d'un tableau de ".count($mots_cles_hierarchiques).' éléments a pris '.$time.' secondes';
+		echo "La génération d'un tableau de ".count($mots_cles_hierarchiques).' éléments et de '.count($liaisons).' liaisons a pris '.$time.' secondes';
 		exit;
+	}
 	public function obtenirArbre($id_utilisateur, $chemin = "/") {
 		$requete = "SELECT * FROM ".$this->table_mots_cles." ".
 		"WHERE id_utilisateur = ".Cel::db()->proteger($id_utilisateur)." AND ".
 		"chemin LIKE ".Cel::db()->proteger($chemin."%")." ".
 		"ORDER BY chemin";
 		$arbre = Cel::db()->requeter($requete.' -- '.__FILE__.':'.__LINE__);
 		usort($arbre, array('GestionMotsClesChemin', 'comparerProfNoeuds'));
 		return $arbre;
+	}
 	public function insererParChemin($mot_cle, $chemin_parent, $id_utilisateur) {
 		$chemin_mot_cle = self::getCheminHarmonise($chemin_parent, $mot_cle);
 		$requete = "INSERT INTO ".$this->table_mots_cles." (chemin, id_utilisateur, tag) ".
 		           "VALUES (".
 		           		Cel::db()->proteger($chemin_mot_cle).", ".
 						Cel::db()->proteger($id_utilisateur).", ".
 						Cel::db()->proteger($mot_cle)." ".
 		           ")";
 		$insertion = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $insertion;
+	}
 	public function insererParIdParent($mot_cle, $id_parent, $id_utilisateur) {
 		$mot_cle_simp = self::simplifier($mot_cle);
 		$sous_requete_chemin = "(SELECT chemin FROM ".$this->table_mots_cles." ".
 		                       "WHERE id_tag = ".Cel::db()->proteger($id_parent).")";
 		$requete = "INSERT INTO ".$this->table_mots_cles."(chemin, id_utilisateur, tag) ".
 		           "VALUES (".
 						"CONCAT(".$sous_requete_chemin.",".Cel::db()->proteger($mot_cle_simp).",'/') ".
 						Cel::db()->proteger($id_utilisateur).", ".
 						Cel::db()->proteger($tag).", ".
 		           ")";
 		$insertion = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $insertion;
+	}
 	public function lierParId($id_mot_cle, $id_observation, $id_utilisateur) {
 		$sous_requete_chemin = "(SELECT chemin FROM ".$this->table_mots_cles." ".
 				   		"WHERE id_tag = ".Cel::db()->proteger($id_mot_cle).") ";
-		$requete = "INSERT INTO ".$this->table_liaison." (id_obs, chemin, id_utilisateur) ".
+		$requete = "INSERT INTO ".$this->table_liaison." (".$this->champ_id_element_lie.", chemin, id_utilisateur) ".
 					"VALUES (".
 				   		Cel::db()->proteger($id_observation).", ".
 				   		$sous_requete_chemin.",".
 				   		Cel::db()->proteger($id_utilisateur)." ".
 				   	") ".
-					"ON DUPLICATE KEY UPDATE id_obs = id_obs; ";
+					"ON DUPLICATE KEY UPDATE ".$this->champ_id_element_lie." = ".$this->champ_id_element_lie." ";
 		$liaison = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $liaison;
+	}
 	public function lierParChemin($chemin, $id_observation, $id_utilisateur) {
 		$requete = "INSERT INTO ".$this->table_liaison." (id_obs, chemin, id_utilisateur) ".
 					"VALUES (".
 						Cel::db()->proteger($id_observation).", ".
 						Cel::db()->proteger($sous_requete_chemin).", ".
 						Cel::db()->proteger($id_utilisateur)." ".
 				   	") ".
-					"ON DUPLICATE KEY UPDATE id_obs = id_obs; ";
+					"ON DUPLICATE KEY UPDATE ".$this->champ_id_element_lie." = ".$this->champ_id_element_lie." ";
 		$liaison = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $liaison;
+	}
 	// Déplacer un mot clé et le renommer est une même opération, dans le cas du renommage,
 	// seule la fin du chemin change
 	public function renommerChemin($ancien_chemin, $nouveau_chemin, $id_utilisateur) {
 		$ancien_chemin = self::harmoniserChemin($ancien_chemin);
 		$nouveau_chemin = self::harmoniserChemin($nouveau_chemin);
 		$ancien_chemin_p = Cel::db()->proteger($ancien_chemin);
 		$nouveau_chemin_p = Cel::db()->proteger($nouveau_chemin);
 		// TODO : triggers pour les tables liées ?
 		$requete = "UPDATE ".$this->table_mots_cles." ".
 		       	   "SET chemin = REPLACE(chemin,".$ancien_chemin_p.", ".$nouveau_chemin_p.") ".
 				   "WHERE chemin LIKE ".Cel::db()->proteger($ancien_chemin."%")." AND ".
 		           "id_utilisateur = ".Cel::db()->proteger($id_utilisateur)." ";
 		echo $requete.'<br />';
 		$deplacement = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $deplacement;
+	}
 	public function supprimerChemin($chemin, $id_utilisateur) {
 		// TODO : triggers pour les tables liées ?
 		$requete = "DELETE FROM ".$this->$table_mots_cles." ".
                    	"WHERE chemin LIKE ".Cel::db()->proteger($chemin."%")." AND ".
                    	"id_utilisateur = ".Cel::db()->proteger($id_utilisateur)." ";
 		$suppression = Cel::db()->executer($requete.' -- '.__FILE__.':'.__LINE__);
 		return $suppression;
+	}
 	// Fonctions utilitaires
 	static public function comparerProfNoeuds($a, $b) {
 		$nb_slashs_a = substr_count($a['chemin'], '/');
 		$nb_slashs_b = substr_count($a['chemin'], '/');
 		$cmp = 0;
 		if($nb_slashs_a == $nb_slashs_b) {
 			$cmp = strcmp($a['chemin'], $b['chemin']);
 		} else {
 			$cmp = ($a['chemin'] > $b['chemin']) ? +1 : -1;
+		}
 		return $cmp;
+	}
 	/*
 		CREATE TRIGGER maj_chemin BEFORE UPDATE
 		ON cel_obs_tag_path FOR EACH ROW
 		BEGIN
 			UPDATE cel_obs_tag_path_liaison
 			SET cel_obs_tag_path_liaison.chemin = NEW.CHEMIN
 			WHERE cel_obs_tag_path_liaison.chemin LIKE CONCAT(OLD.chemin,'%')
 			AND cel_obs_tag_path_liaison.id_utilisateur = OLD.id_utilisateur
 		END;
 		CREATE TRIGGER suppr_chemin BEFORE UPDATE
 		ON cel_obs_tag_path FOR EACH ROW
 		BEGIN
 			DELETE FROM cel_obs_tag_path_liaison
 			WHERE cel_obs_tag_path_liaison.chemin LIKE CONCAT(OLD.chemin,'%')
 			AND cel_obs_tag_path_liaison.id_utilisateur = OLD.id_utilisateur
 		END;
 		CREATE TRIGGER suppr_obs BEFORE DELETE
 		ON cel_obs FOR EACH ROW
 		BEGIN
 			DELETE FROM cel_obs_tag_path_liaison
 			WHERE cel_obs_tag_path_liaison.id_obs = OLD.id_observation
 		END;
 	*/
 	static public function getCheminHarmonise($chemin_parent, $mot_cle) {
 		return self::harmoniserChemin($chemin_parent.'/'.self::simplifier($mot_cle).'/');
+	}
 	static public function harmoniserChemin($chemin) {
 		$chemin = self::startsWith($chemin,'/') ? $chemin : '/'.$chemin;
 		$chemin = self::endsWith($chemin,'/') ? $chemin : $chemin.'/';
 		return str_replace('//', '/', $chemin);
+	}
 	// fonction de slugification du mot clé
 	// http://stackoverflow.com/questions/2955251/php-function-to-make-slug-url-string
 	static public function simplifier($text)
+	{
 		return trim(str_replace(array('\\','/'), '', $text));
 		// replace non letter or digits by -
 		$text = preg_replace('~[^\\pL\d]+~u', '-', $text);
 		// trim
 		$text = trim($text, '-');
 		// transliterate
 		$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
 		// lowercase
 		$text = strtolower($text);
 		// remove unwanted characters
 		$text = preg_replace('~[^-\w]+~', '', $text);
 		if (empty($text))
+		{
 			return 'n-a';
+		}
 		return $text;
+	}
 	static public function startsWith($haystack, $needle) {
 		return $needle === "" || strpos($haystack, $needle) === 0;
+	}
 	static public function endsWith($haystack, $needle) {
 		return $needle === "" || substr($haystack, -strlen($needle)) === $needle;
+	}
+}
 ?>

Subversion Repositories eFlore/Applications.cel

(root)/trunk/jrest/bibliotheque/GestionMotsClesChemin.php @ 3473 – Rev 2026 → 2027