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<?php
/**
* Service fournissant des statistiques de l'application CEL au format texte (JSON).
* Encodage en entrée : utf8
* Encodage en sortie : utf8
*
* Cas d'utilisation :
* /CelStatistiqueTxt/TypeDeStat : retourne les statistiques demandées
* Paramêtres :
* utilisateur=courriel : retourne les statistiques d'un utilisateur donné.
*
* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
* @license GPL v3 <http://www.gnu.org/licenses/gpl.txt>
* @license CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
* @version $Id$
* @copyright Copyright (c) 2011, Tela Botanica (accueil@tela-botanica.org)
*/
class CelStatistiqueTxt extends Cel {
/**
* Méthode appelée avec une requête de type GET.
*/
public function getElement($ressources) {
$graph = null;
$serveur = '';
if (isset($ressources[0])) {
$this->analyserParametresUrl();
$stat_demande = array_shift($ressources);
$methode = 'get'.$stat_demande;
if (method_exists($this, $methode)) {
$this->ressources = $ressources;
$stats = $this->$methode($ressources);
} else {
$this->messages[] = "Ce type de statistiques '$stat_demande' n'est pas disponible.";
}
} else {
$this->messages[] = "La ressource du service CEL StatistiqueTxt doit indiquer le type de statistique. Ex. : .../CelStatistiqueTxt/Nombres";
}
if (!is_null($stats)) {
$this->envoyerJson($stats);
}
}
private function analyserParametresUrl() {
$this->parametres['utilisateur'] = isset($_GET['utilisateur']) ? Cel::db()->quote($this->verifierSecuriteParametreUrl($_GET['utilisateur'])) : null;
$this->parametres['num_taxon'] = isset($_GET['num_taxon']) ? Cel::db()->quote($this->verifierSecuriteParametreUrl($_GET['num_taxon'])) : null;
$this->parametres['taxon'] = isset($_GET['taxon']) ? Cel::db()->quote($this->verifierSecuriteParametreUrl($_GET['taxon'].'%')) : null;
$this->parametres['tag'] = isset($_GET['tag']) ? $this->verifierSecuriteParametreUrl($_GET['tag']) : null;
$this->parametres['start'] = isset($_GET['start']) ? $this->verifierSecuriteParametreUrl($_GET['start']) : null;
$this->parametres['limit'] = isset($_GET['limit']) ? $this->verifierSecuriteParametreUrl($_GET['limit']) : null;
}
private function getListeUtilisateursNbrePhotos() {
$liste = array();
$requete = $this->construireRequeteListeUtilisateurNbrePhoto();
if ($requete != null) {
$resultats = Cel::db()->requeter($requete);
if ($resultats != false) {
foreach ($resultats as $resultat) {
$liste[$resultat['courriel_utilisateur']] = $resultat['nbre'];
}
}
}
return $liste;
}
private function construireRequeteListeUtilisateurNbrePhoto() {
$select = 'SELECT co.courriel_utilisateur, COUNT(DISTINCT ci.id_image) AS nbre ';
$from = 'FROM cel_obs co '.
' LEFT JOIN cel_obs_images coi ON (coi.id_observation = co.id_observation) '.
' LEFT JOIN cel_images ci ON (coi.id_image = ci.id_image) ';
$where = 'WHERE transmission = 1 ';
$groupBy = 'GROUP BY co.courriel_utilisateur ';
$orderBy = 'ORDER BY nbre DESC ';
$limitSql = 'LIMIT 0,150 ';
$zero_images = false;
if (count($this->parametres) != 0) {
extract($this->parametres);
$filtres = array();
if (isset($utilisateur)) {
$filtres[] = "co.courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "nt = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
if (isset($tag)) {
$limitation = $this->construireWhereTags();
if ($limitation != null) {
$filtres[] = $limitation;
} else {
$zero_images = true;
}
}
$where .= ((count($filtres) > 0) ? 'AND '.implode(' AND ', $filtres) : '');
if (isset($start)) {
$limitSql = str_replace('0,', "$start,", $limitSql);
}
if (isset($limit)) {
$limitSql = str_replace('150', $limit, $limitSql);
}
}
if ($zero_images) {
$requete = null;
} else {
$requete = $select.$from.$where.$groupBy.$orderBy.$limitSql;
//echo $requete;
}
return $requete;
}
private function construireWhereTags() {
$where = null;
if (isset($this->parametres['tag'])) {
$tag = $this->parametres['tag'];
$tag_encode = Cel::db()->quote($this->encoderMotCle(trim($tag)));
// Construction de la requête
$requete = 'SELECT cmc_id_mot_cle_utilisateur, cmc_id_proprietaire '.
'FROM cel_mots_cles_images '.
"WHERE cmc_id_mot_cle_general = $tag_encode ";
$elements = Cel::db()->requeter($requete);
if ($elements != false && count($elements) > 0) {
// Pré-construction du where de la requête
$tpl_where = '(ci_meta_mots_cles LIKE "%%%s%%" AND ci_ce_utilisateur = %s )';
$requete_where = array();
foreach ($elements as $occurence) {
$requete_where[] = sprintf($tpl_where, $occurence['cmc_id_mot_cle_utilisateur'], Cel::db()->quote($occurence['cmc_id_proprietaire']));
}
$where = ' ('.implode(" \nOR ", $requete_where).') ';
} else {
$this->debug[] = "Aucune image ne correspond à ce mot clé.";
}
}
return $where;
}
private function getListeTaxonsNbrePhotos() {
$requete = $this->construireRequeteListeTaxonNbrePhoto();
$resultats = Cel::db()->requeter($requete);
$liste = array();
if ($resultats != false) {
foreach ($resultats as $resultat) {
$liste[$resultat['nom_ret']] = $resultat['nbre'];
}
}
return $liste;
}
private function construireRequeteListeTaxonNbrePhoto() {
$select = 'SELECT nom_ret, COUNT(DISTINCT ci.id_image) AS nbre ';
$from = 'FROM cel_obs co '.
' LEFT JOIN cel_obs_images coi ON (coi.id_observation = co.id_observation) '.
' LEFT JOIN cel_images ci ON (coi.id_image = ci.id_image) ';
$where = 'WHERE transmission = 1 '.
" AND nom_ret != '' ";
$groupBy = 'GROUP BY nom_ret ';
$orderBy = 'ORDER BY nbre DESC ';
$limitSql = 'LIMIT 0,150 ';
if (count($this->parametres) != 0) {
extract($this->parametres);
$filtres = array();
if (isset($utilisateur)) {
$filtres[] = "co.courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "nt = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
$where .= ((count($filtres) > 0) ? 'AND '.implode(' AND ', $filtres) : '');
if (isset($start)) {
$limitSql = str_replace('0,', "$start,", $limitSql);
}
if (isset($limit)) {
$limitSql = str_replace('150', $limit, $limitSql);
}
}
$requete = $select.$from.$where.$groupBy.$orderBy.$limitSql;
return $requete;
}
private function getNombres() {
$requete = $this->construireRequeteNbreObs();
$info['observations'] = (int) Cel::db()->requeterValeurUnique($requete);
$requete = $this->construireRequeteNbreObsPubliques();
$info['observationsPubliques'] = (int) Cel::db()->requeterValeurUnique($requete);
$requete = $this->construireRequeteNbreImg();
$info['images'] =(int) Cel::db()->requeterValeurUnique($requete);
$requete = $this->construireRequeteNbreImgLiees();
$info['imagesLiees'] =(int) Cel::db()->requeterValeurUnique($requete);
$requete = $this->construireRequeteNbreObsLiees();
$info['observationsLiees'] = (int) Cel::db()->requeterValeurUnique($requete);
$info['moyImagesParObs'] = ($info['observationsLiees'] > 0 ? round($info['imagesLiees']/$info['observationsLiees'], 2) : '');
$requete = $this->construireRequeteNbreObsParCommune();
$info['communes'] = ($resultats = Cel::db()->requeter($requete)) ? count($resultats) : '' ;
$info['observationsParCommunesMin'] = 1000;
$info['observationsParCommunesMax'] = 0;
$info['observationsParCommunesTotal'] = 0;
foreach ($resultats as $resultat) {
if ($resultat['nbre'] < $info['observationsParCommunesMin']) {
$info['observationsParCommunesMin'] = $resultat['nbre'];
}
if ($resultat['nbre'] > $info['observationsParCommunesMax']) {
$info['observationsParCommunesMax'] = $resultat['nbre'];
}
$info['observationsParCommunesTotal'] += $resultat['nbre'];
}
$info['observationsParCommunesMoyenne'] = ($info['communes'] > 0 ) ? round($info['observationsParCommunesTotal'] / $info['communes'], 2) : 0;
return $info;
}
private function construireRequeteNbreObs() {
$requete = 'SELECT COUNT(id_observation) AS nbre '.
'FROM cel_obs ';
if (count($this->parametres) != 0) {
$filtres = array();
extract($this->parametres);
if (isset($utilisateur)) {
$filtres[] = "courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "num_taxon = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
$requete .= ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
}
return $requete;
}
private function construireRequeteNbreObsPubliques() {
$requete = 'SELECT COUNT(id_observation) AS nbre '.
'FROM cel_obs '.
"WHERE transmission = 1 ";
if (count($this->parametres) != 0) {
$filtres = array();
extract($this->parametres);
if (isset($utilisateur)) {
$filtres[] = "courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "num_taxon = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
$requete .= ((count($filtres) > 0) ? 'AND '.implode(' AND ', $filtres) : '');
}
return $requete;
}
private function construireRequeteNbreObsParCommune() {
$requete = 'SELECT COUNT(id_observation) AS nbre '.
'FROM cel_obs '.
"WHERE zone_geo IS NOT NULL ".
" AND ce_zone_geo IS NOT NULL ";
$groupBy = 'GROUP BY zone_geo, ce_zone_geo';
if (count($this->parametres) != 0) {
$filtres = array();
extract($this->parametres);
if (isset($utilisateur)) {
$filtres[] = "courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "nt = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
$requete .= ((count($filtres) > 0) ? 'AND '.implode(' AND ', $filtres) : '');
}
$requete .= $groupBy;
return $requete;
}
private function construireRequeteNbreImg() {
$select = 'SELECT COUNT(DISTINCT ci.id_image) AS nbre ';
$from = 'FROM cel_images ci ';
if (count($this->parametres) != 0) {
$filtres = array();
extract($this->parametres);
if (isset($utilisateur)) {
$filtres[] = "courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "nt = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
if (isset($num_taxon) || isset($taxon)) {
$from .= 'LEFT JOIN cel_obs_images coi ON (coi.id_image = ci.id_image) '.
'LEFT JOIN cel_obs co ON (coi.id_observation = co.id_observation) ';
}
$where = ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
}
$requete = $select.$from.$where;
return $requete;
}
private function construireRequeteNbreImgLiees() {
$select = 'SELECT COUNT(DISTINCT ci.id_image) AS nbre ';
$from = 'FROM cel_obs_images coi '.
' LEFT JOIN cel_images ci ON (coi.id_image = ci.id_image) ';
if (count($this->parametres) != 0) {
$filtres = array();
extract($this->parametres);
if (isset($utilisateur)) {
$filtres[] = "ci.courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "nt = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
if (isset($num_taxon) || isset($taxon)) {
$from .= 'LEFT JOIN cel_obs ON (coi.id_observation = co.id_observation) ';
}
$where = ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
}
$requete = $select.$from.$where;
return $requete;
}
private function construireRequeteNbreObsLiees() {
$select = 'SELECT COUNT(DISTINCT coi.id_observation) AS nbre ';
$from = 'FROM cel_obs_images coi '.
' LEFT JOIN cel_obs co ON (coi.id_observation = co.id_observation) ';
if (count($this->parametres) != 0) {
$filtres = array();
extract($this->parametres);
if (isset($utilisateur)) {
$filtres[] = "courriel_utilisateur = $utilisateur ";
}
if (isset($num_taxon)) {
$filtres[] = "nt = $num_taxon ";
}
if (isset($taxon)) {
$filtres[] = "nom_ret LIKE $taxon ";
}
$where = ((count($filtres) > 0) ? 'WHERE '.implode(' AND ', $filtres) : '');
}
$requete = $select.$from.$where;
return $requete;
}
}
?>