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<?php
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/**
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* Service fournissant des statistiques de l'application CEL au format texte (JSON).
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* Encodage en entrée : utf8
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* Encodage en sortie : utf8
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*
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* Cas d'utilisation :
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* /CelStatistiqueTxt/TypeDeStat : retourne les statistiques demandées
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* Paramêtres :
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* utilisateur=courriel : retourne les statistiques d'un utilisateur donné.
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*
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @license GPL v3 <http://www.gnu.org/licenses/gpl.txt>
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* @license CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
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* @version $Id$
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* @copyright Copyright (c) 2011, Tela Botanica (accueil@tela-botanica.org)
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*/
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class CelStatistiqueTxt extends Cel {
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/**
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* Méthode appelée avec une requête de type GET.
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*/
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public function getElement($ressources) {
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$graph = null;
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$serveur = '';
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if (isset($ressources[0])) {
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$this->analyserParametresUrl();
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$stat_demande = array_shift($ressources);
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$methode = 'get'.$stat_demande;
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if (method_exists($this, $methode)) {
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$stats = $this->$methode($ressources);
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} else {
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$this->messages[] = "Ce type de statistiques '$stat_demande' n'est pas disponible.";
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}
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} else {
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$this->messages[] = "La ressource du service CEL StatistiqueTxt doit indiquer le type de statistique. Ex. : .../CelStatistiqueTxt/Nombres";
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}
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if (!is_null($stats)) {
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$this->envoyerJson($stats);
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}
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}
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private function analyserParametresUrl() {
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$this->parametres['utilisateur'] = isset($_GET['utilisateur']) ? $this->bdd->quote($_GET['utilisateur']) : null;
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$this->parametres['num_taxon'] = isset($_GET['num_taxon']) ? $this->bdd->quote($_GET['num_taxon']) : null;
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}
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private function getNombres($param) {
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$requete = $this->construireRequeteNbreObs();
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$info['observations'] = (int) $this->executerRequete($requete, 'Column');
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$requete = $this->construireRequeteNbreObsPubliques();
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$info['observationsPubliques'] = (int) $this->executerRequete($requete, 'Column');
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$requete = $this->construireRequeteNbreImg();
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$info['images'] =(int) $this->executerRequete($requete, 'Column');
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$requete = $this->construireRequeteNbreImgLiees();
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$info['imagesLiees'] =(int) $this->executerRequete($requete, 'Column');
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$requete = $this->construireRequeteNbreObsLiees();
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$info['observationsLiees'] = (int) $this->executerRequete($requete, 'Column');
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$info['moyImagesParObs'] = ($info['observationsLiees'] > 0 ? round($info['imagesLiees']/$info['observationsLiees'], 4) : '');
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$requete = $this->construireRequeteNbreObsParCommune();
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$info['communes'] = ($resultat = $this->executerRequete($requete)) ? count($resultat) : '' ;
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return $info;
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}
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private function construireRequeteNbreObs() {
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$requete = 'SELECT COUNT(id) AS nbre '.
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'FROM cel_inventory ';
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if (count($this->parametres) != 0) {
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$filtres = array();
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extract($this->parametres);
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if (isset($utilisateur)) {
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$filtres[] = "identifiant = $utilisateur ";
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}
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if (isset($num_taxon)) {
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$filtres[] = "num_taxon = $num_taxon ";
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}
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$requete .= ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
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}
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return $requete;
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}
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private function construireRequeteNbreObsPubliques() {
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$requete = 'SELECT COUNT(id) AS nbre '.
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'FROM cel_inventory '.
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"WHERE transmission = 1 ";
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if (count($this->parametres) != 0) {
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$filtres = array();
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extract($this->parametres);
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if (isset($utilisateur)) {
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$filtres[] = "identifiant = $utilisateur ";
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}
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if (isset($num_taxon)) {
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$filtres[] = "num_taxon = $num_taxon ";
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}
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$requete .= ((count($filtres) > 0) ? 'AND '.implode(' AND ', $filtres) : '');
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}
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return $requete;
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}
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private function construireRequeteNbreObsParCommune() {
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$requete = 'SELECT COUNT(id) AS nbre '.
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'FROM cel_inventory '.
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"WHERE location != '000null' ".
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" AND id_location != '000null' ";
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$groupBy = 'GROUP BY location, id_location';
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if (count($this->parametres) != 0) {
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$filtres = array();
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extract($this->parametres);
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if (isset($utilisateur)) {
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$filtres[] = "identifiant = $utilisateur ";
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}
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if (isset($num_taxon)) {
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$filtres[] = "num_taxon = $num_taxon ";
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}
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$requete .= ((count($filtres) > 0) ? 'AND '.implode(' AND ', $filtres) : '');
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}
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$requete .= $groupBy;
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return $requete;
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}
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private function construireRequeteNbreImg() {
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$select = 'SELECT COUNT(DISTINCT ci_id_image) AS nbre ';
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$from = 'FROM cel_images ';
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if (count($this->parametres) != 0) {
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$filtres = array();
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extract($this->parametres);
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if (isset($utilisateur)) {
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$filtres[] = "ci_ce_utilisateur = $utilisateur ";
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}
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if (isset($num_taxon)) {
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$from .= 'LEFT JOIN cel_obs_images ON (coi_ce_image = ci_id_image) '.
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'LEFT JOIN cel_inventory ON (coi_ce_observation = ordre AND coi_ce_utilisateur = identifiant) ';
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$filtres[] = "num_taxon = $num_taxon ";
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}
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$where = ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
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}
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$requete = $select.$from.$where;
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return $requete;
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}
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private function construireRequeteNbreImgLiees() {
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$select = 'SELECT COUNT(DISTINCT ci_id_image) AS nbre ';
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$from = 'FROM cel_obs_images '.
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' LEFT JOIN cel_images ON (coi_ce_image = ci_id_image) ';
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if (count($this->parametres) != 0) {
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$filtres = array();
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extract($this->parametres);
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if (isset($utilisateur)) {
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$filtres[] = "coi_ce_utilisateur = $utilisateur ";
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}
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if (isset($num_taxon)) {
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$from .= 'LEFT JOIN cel_inventory ON (coi_ce_observation = ordre AND coi_ce_utilisateur = identifiant) ';
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$filtres[] = "num_taxon = $num_taxon ";
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}
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$where = ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
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}
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$requete = $select.$from.$where;
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return $requete;
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}
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private function construireRequeteNbreObsLiees() {
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$select = 'SELECT COUNT(DISTINCT coi_ce_observation) AS nbre ';
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$from = 'FROM cel_obs_images '.
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' LEFT JOIN cel_inventory ON (coi_ce_observation = ordre AND coi_ce_utilisateur = identifiant) ';
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if (count($this->parametres) != 0) {
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$filtres = array();
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extract($this->parametres);
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if (isset($utilisateur)) {
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$filtres[] = "identifiant = $utilisateur ";
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}
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if (isset($num_taxon)) {
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$filtres[] = "num_taxon = $num_taxon ";
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}
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$where = ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
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}
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$requete = $select.$from.$where;
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return $requete;
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}
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}
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?>
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