Subversion Repositories eFlore/Projets.eflore-projets

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<?php
/*
 * @copyright 2013 Tela Botanica (accueil@tela-botanica.org)
 * @author Raphaël Droz <raphael@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>
 *
 * pattern: /service:eflore:0.1/coste/textes/bdtfx.nn:182,631
 * params: txt.format=(htm|txt) ,  retour.champs=(titre,texte,...) , retour.format=(min|max), ...
 *
 * Ce webservice est censé pouvoir:
 * 1) retourner des informations (choisies) à propos d'un ou plusieurs taxon(s) donné(s)
 *        (à partir de son numéro nomenclatural
 * 2) retourner des informations (choisies) à propos de taxons recherchés
 *        (à partir de divers critères)
 *
 * TODO: masque.titre => masque.tag
 * TODO: clarifier l'attribut "tag" retourné (tag de la description ou des clefs de détermination)
 *
 */


/* restore_error_handler();
   error_reporting(E_ALL); */
class Textes {
    
    const MIME_JSON = 'application/json';
    private $plantuseurl = 'https://uses.plantnet-project.org/f/api.php?section=0&action=parse&format=json'.
        '&prop=wikitext&disabletoc=1&disableeditsection=1&disablelimitreport=1&page=';
    
    private $parametres = array();
    private $ressources = array();
    private $Bdd;
    
    private $format = 'min';
    private $retour_mime = 'application/json';
    private $nbreTextes = '0';
    
    public function __construct(Bdd $bdd = null, Array $config = null) {
        $this->config = is_null($config) ? Config::get('Textes') : $config;
        $this->Bdd = is_null($bdd) ? new Bdd() : $bdd;
    }
    public function consulter($ressources, $parametres) {
        
        $this->parametres = $parametres;
        $this->ressources = $ressources;
        
        $this->definirValeurParDefautDesParametres();
        
        $this->format = (isset($this->parametres['retour.format']) && $this->parametres['retour.format'] != '') ?  $this->parametres['retour.format'] : $this->format;
        $this->retour_mime = (isset($this->parametres['retour']) && $this->parametres['retour'] != '') ?  $this->parametres['retour'] : $this->retour_mime;
        $resultat = $this->obtenirTextes();
        $entete = $this->construireEntete();
        return array('entete' => $entete, 'resultats' => $resultat);
        
    }
    private function construireEntete() {
        $entete = array('masque' => '', 'depart' => 0, 'limite' => 100, 'total' => 0);
        
        $entete['masque'] = $this->recupererMasque();
        $entete['depart'] = (int) $this->parametres['navigation.depart'];
        $entete['limite'] = (int) $this->parametres['navigation.limite'];
        
        return $entete;
    }
    
    private function recupererMasque() {
        $masqueEntete = '';
        foreach ($this->parametres as $param => $cle) {
            if ($param == 'masque') {
                $masqueEntete = 'masque='.$cle.',';
            } elseif (substr($param, 0, 7) == 'masque.') {
                $masqueEntete .= substr($param, 7).'='.$cle.',';
            }
        }
        $masqueEntete = rtrim($masqueEntete,',');
        return $masqueEntete;
    }
    
    private function definirValeurParDefautDesParametres() {
        if (isset($this->parametres['retour']) == false) {
            $this->parametres['retour'] = self::MIME_JSON;
        }
        if (isset($this->parametres['retour.format']) == false) {
            $this->parametres['retour.format'] = 'min';
        }
        if (isset($this->parametres['navigation.depart']) == false) {
            $this->parametres['navigation.depart'] = 0;
        }
        if (isset($this->parametres['navigation.limite']) == false) {
            $this->parametres['navigation.limite'] = 100;
        }
    }
    
    private function obtenirTextes() {
        $retour = array();
        if ($this->parametres['masque'] != "") {
            $this->parametres['masque'] = str_replace(" ", "_", $this->parametres['masque']);
            $url = $this->plantuseurl.$this->parametres['masque'];
            $json = file_get_contents($url);
            if ($json != false) {
                $tableau = json_decode($json, TRUE);
                if (isset($tableau['parse']['wikitext']['*'])) {
                    $texte = $tableau['parse']['wikitext']['*'];
                    if (strpos($texte, "Résumé des usages") !== FALSE) {
                        $texte = substr($texte, strpos($texte, "{{Encadr")+63, -2);
                        $texte = str_replace("*", "", $texte);
                        $retour['usages'] = array_filter(array_map('trim', explode("\n", $texte)), 'strlen');
                        $retour['url'] = $url;
                    }                    
                }
            }
        }
        return $retour;
    }
}