<?php


Class InventoryImageExport extends DBAccessor {

	private $extendSpreadsheetProductor;

	private $archive;
	private $workbook;
	private $worksheet;
	private $chemin_export_liste;

    function InventoryImageExport($config) {

    	parent::__construct($config);

		require_once('lib/zip.php');

        $this->config=$config;
        $this->extendSpreadsheetProductor = new SpreadsheetProductor();
		$this->extendSpreadsheetProductor->initSpreadsheet();
    }

    function getElement($uid){
    	
      	$this->authentifier();

      	$tableau = array();

        $tag = $uid[0];

        $limite = 0;
        $pas = 0;

        //ini_set('max_execution_time',120);

        /*if(isset($uid[1]) && isset($uid[2])) {
			$limite = $uid[]
        }*/

       	$taille_archive_courante = 0;
		$index_archive_courante = 0;
		$taille_max_archive = $this->config['cel_db']['taille_max_archive'];
		$liens_archives = array();

        $DB=$this->connectDB($this->config,'cel_db');

        $query_id_id_img = 'SELECT cmc_id_mot_cle_utilisateur, cmc_id_proprietaire FROM cel_mots_cles_images WHERE cmc_id_mot_cle_general = md5("'.$DB->escapeSimple($tag).'")' ;

        $res =& $DB->query($query_id_id_img);

        if (DB::isError($res)) {
			$this->logger("InventoryImageExport",'Erreur de requete '.$query_id_id_img);
            die($res->getMessage());
        }


        $query='SELECT * FROM cel_images';

        $premier_item = true ;
        while ($row =& $res->fetchrow(DB_FETCHMODE_ASSOC)) {

        	$tableau['mots cles'] = array('utilisateur' => $row['cmc_id_proprietaire'], 'mot cle' => $row['cmc_id_mot_cle_utilisateur']);

            if($premier_item) {
                $query .= ' WHERE ';
                $premier_item = false ;
            }
            else{
                $query .= ' OR ';
            }

            $query .= '(ci_meta_mots_cles LIKE "%'.$row['cmc_id_mot_cle_utilisateur'].'%" AND ci_ce_utilisateur ="'.$row['cmc_id_proprietaire'].'")' ;
        }

        $query .= ' ORDER BY ci_meta_date_ajout' ;

        $res =& $DB->query($query);

        if (DB::isError($res)) {
            die($res->getMessage());
        }

        $this->logger('Requetes',$query);

        // création d'un objet 'zipfile'
		$this->archive = new zipfile();

		$i = 1;

		$this->initialiserWorkBook($index_archive_courante);

        while ($image =& $res->fetchrow(DB_FETCHMODE_ASSOC)) {

           $image['ci_nom_original'] = htmlspecialchars($image['ci_nom_original']);
           $image['ci_id_image'] = htmlspecialchars($image['ci_id_image']);
           $image['ci_meta_date_ajout'] = htmlspecialchars($image['ci_meta_date_ajout']);
           $image['ci_ce_utilisateur'] = htmlspecialchars($image['ci_ce_utilisateur']);
           $image['ci_meta_user_comment'] = htmlspecialchars($image['ci_meta_user_comment']);
           $image['ci_note_image'] = htmlspecialchars($image['ci_note_image']);

           $id = $image['ci_id_image'];

           $tableau[$id]['image'] = $image;
                   
           if($filename = $this->renvoyerCheminSurServeur($id,false)) {

				// appel de la classe
			    // nom du fichier à ajouter dans l'archive
			    // contenu du fichier
			    $fp = fopen ($filename, 'r');
			    $content = fread($fp, filesize($filename));
			    fclose ($fp);

			    // ajout du fichier dans cet objet
			    if(preg_match('/\.(?:jpg|jpeg)$/i',$image['ci_nom_original'])) {
			    	$nom_fichier_image = preg_replace('/\.(?:jpg|jpeg)$/i','_'.$id.'.jpg', $image['ci_nom_original']);
			    } else {
			    	$nom_fichier_image = $image['ci_nom_original'].'_'.$id.'.jpg';
			    }
			    
			    $chemin_sur_serveur = $this->config['cel_db']['url_images'];
			    
			    $id = sprintf('%09s', $id) ;
            	$id = wordwrap($id, 3 , '_', true) ;
			    $niveauDossier = split("_", $id) ;

	            $dossierNiveau1 = $niveauDossier[0] ;
	            $dossierNiveau2 = $niveauDossier[1] ;
	
	            $chemin_sur_serveur_final = $chemin_sur_serveur.'/'.$dossierNiveau1.'/'.$dossierNiveau2 ;
	
	            $chemin_fichier = $chemin_sur_serveur_final.'/O/'.$id."_O.jpg" ;
			    
			    $obs_liee['url_image_liee'] = $chemin_fichier;

			    $taille_fichier = filesize($filename);

            	$req_liaison = 'SELECT * FROM cel_inventory WHERE ordre IN (SELECT coi_ce_observation FROM cel_obs_images WHERE coi_ce_image = "'.$image['ci_id_image'].'") AND identifiant = "'.$image['ci_ce_utilisateur'].'"' ;
            	$res_liaison =& $DB->query($req_liaison);

	            if (DB::isError($res_liaison)) {
	                die($res_liaison->getMessage());
	            }

	            if (DB::isError($res_liaison)) {
	                die($res_liaison->getMessage());
	            }

	          while($obs_liee = & $res_liaison->fetchrow(DB_FETCHMODE_ASSOC)) {

          	  	$tableau[$id]['obs'] = $obs_liee;
          	  	$obs_liee['nom_image_liee'] = $nom_fichier_image;
          	  	$obs_liee['url_image_liee'] = $chemin_fichier;

			  	$this->ecrireLigneWorkBook($i,$obs_liee);

		  		$i++;
	          }

	          //$this->archive->addfile($content, $nom_fichier_image);
			  //$taille_archive_courante += $taille_fichier;

	          if($taille_archive_courante <= $taille_max_archive) {


				} else {

					// fermeture du workbook
					$this->workbook->close();
					$i = 1;

					// ajout du fichier liste dans cet objet
					// contenu du fichier
				    $fp = fopen($this->chemin_export_liste, 'r');
				    $contenu = fread($fp, filesize($this->chemin_export_liste));
				    fclose ($fp);

					$this->archive->addfile($contenu,'liste.'.md5($tag).'_'.$index_archive_courante.'.xls');
					
					$liens_archives[] = $this->enregistrerArchive($this->archive,$index_archive_courante,$tag);
					$index_archive_courante++;
					$taille_archive_courante = 0;

					$this->archive = new zipfile();
					$this->initialiserWorkBook($index_archive_courante);
				}
	       }

      		//$this->verifierOuRelancerExecution();
      		//$this->logger('InventoryImageExport'," Temps d'éxécution à l'image ".$id." : ".$this->getTempsEcoule());
        }
        
        // fermeture du workbook
		$this->workbook->close();
		$i = 1;

		// ajout du fichier liste dans cet objet
		// contenu du fichier
	    $fp = fopen($this->chemin_export_liste, 'r');
	    $contenu = fread($fp, filesize($this->chemin_export_liste));
	    fclose ($fp);

		$this->archive->addfile($contenu,'liste.'.md5($tag).'_'.$index_archive_courante.'.xls');
		
		$liens_archives[] = $this->enregistrerArchive($this->archive,$index_archive_courante,$tag);
		$index_archive_courante++;

		$j = 1;
		$sortie = '<div><ul>';
		foreach($liens_archives as $lien) {
			$sortie .= '<li> <a href = "'.$lien.'"> Partie '.$j.'</a></li>';
			$j++;
		}

		$sortie .= '</div></ul>';

		//$this->logger('InventoryImageExport',count($tableau));

		//$this->logger('InventoryImageExport',print_r($tableau,true));

		header('Content-Type: text/html');
		echo $sortie;

    }


    function getRessource(){
		//$this->getElement();
    }

    public function authentifier() {
        if (!isset($_SERVER['PHP_AUTH_USER'])) {
        header('WWW-Authenticate: Basic realm="www.tela-botanica.org"');
        header('HTTP/1.0 401 Unauthorized');
        header('Content-type: text/html; charset=UTF-8');
        echo 'Accès interdit';
        exit;
        } else {
            if($this->verifierAcces($_SERVER['PHP_AUTH_USER'])) {
                return ;
            }
            else
            {
                header('WWW-Authenticate: Basic realm="www.tela-botanica.org"');
                header('HTTP/1.0 401 Unauthorized');
                header('Content-type: text/html; charset=UTF-8');
                echo 'Accès interdit';
                exit ;
            }
        }
    }

    public function verifierAcces($id) {

        $DB=$this->connectDB($this->config,'database_ident');
        $query="SELECT ".$this->config['database_ident']['ann_id']." as name FROM ".$this->config['database_ident']['annuaire']." WHERE ".$this->config['database_ident']['ann_id']." ='".$DB->escapeSimple($id)
        ."' AND ".$this->config['database_ident']['ann_pwd']." = ".$this->config['database_ident']['pass_crypt_funct']."('".$DB->escapeSimple($_SERVER['PHP_AUTH_PW'])."')" ;

        $res =& $DB->getOne($query);

        if($res == "") {
            return false ;
        }

        if (DB::isError($res)) {
            die($res->getMessage());
        }

        return $this->isAdmin($id) ;

    }

    private function renvoyerCheminSurServeur($id,$url = true) {

		if($url) {
			$chemin_sur_serveur = $this->config['cel_db']['url_images'];
		} else {
			$chemin_sur_serveur = $this->config['cel_db']['chemin_images'];
		}

		$id = sprintf('%09s', $id) ;
        $id = wordwrap($id, 3 , '_', true) ;

        $id_fichier = $id.".jpg" ;

        $niveauDossier = split("_", $id) ;

        $dossierNiveau1 = $niveauDossier[0] ;
        $dossierNiveau2 = $niveauDossier[1] ;

        $chemin_sur_serveur_final = $chemin_sur_serveur.'/'.$dossierNiveau1.'/'.$dossierNiveau2 ;

        $chemin_fichier = $chemin_sur_serveur_final.'/L/'.$id."_L.jpg" ;

        return $chemin_fichier;
    }

    private function renvoyerCheminExport($url = true) {
    	if($url) {
    		return $this->config['cel_db']['url_export'];
    	} else {
			return $this->config['cel_db']['chemin_export'];
    	}
    }

    private function enregistrerArchive($zip,$index,$tag) {

		// production de l'archive' Zip
	    $this->archive = $zip->file();
		$chemin_export = $this->renvoyerCheminExport(false);
		$url_export = $this->renvoyerCheminExport(true);

		$chemin_archive = $chemin_export.'/'.md5($tag).'_'.$index.'.zip';
		$url_archive = $url_export.'/'.md5($tag).'_'.$index.'.zip';

		$fp = fopen($chemin_archive,'w+');
	    $ecriture = fwrite($fp,$this->archive);
	    fclose($fp);

	    if($ecriture) {
			return $url_archive;
	    } else {
	    	return false;
	    }

    }

    private function initialiserWorkBook($index) {

    	// Creating a workbook
        $this->chemin_export_liste = $this->renvoyerCheminExport(false).'/liste'.$index.'.xls';
		$this->workbook = new Spreadsheet_Excel_Writer($this->chemin_export_liste);

		// Creating a worksheet
		$this->worksheet = $this->workbook->addWorksheet('Liste');

		$this->worksheet->write(0,0,'url de l\'image');
		$this->worksheet->write(0,1,'Nom original de l\'image');
        //$this->worksheet->write(0,1,'Nom saisi');
        //$this->worksheet->write(0,2,'Numero nomenclatural');
        $this->worksheet->write(0,2,'Nom retenu');
        $this->worksheet->write(0,3,'Numero nomenclatural nom retenu');
        $this->worksheet->write(0,4,'Numero taxonomique');
        $this->worksheet->write(0,5,'Famille');
        //$this->worksheet->write(0,7,'Commune');
        //$this->worksheet->write(0,8,'Identifiant Commune');
        $this->worksheet->write(0,6,'Date Observation');
       // $this->worksheet->write(0,10,'Lieu dit');
        //$this->worksheet->write(0,11,'Station');
        //$this->worksheet->write(0,12,'Milieu');
        $this->worksheet->write(0,7,'Contributeur');
        $this->worksheet->write(0,8,'Commentaire');
    }

    private function ecrireLigneWorkBook($index, $observation) {

    	$this->worksheet->write($index,0,$observation['url_image_liee']);
    	$this->worksheet->write($index,1,$observation['nom_image_liee']);
	  	//$this->worksheet->write($index,1,$observation['nom_sel']);
		//$this->worksheet->write($index,2,$observation['num_nom_sel']);
		$this->worksheet->write($index,2,$observation['nom_ret']);
		$this->worksheet->write($index,3,$observation['num_nom_ret']);
		$this->worksheet->write($index,4,$observation['num_taxon']);
		$this->worksheet->write($index,5,$observation['famille']);
		//$this->worksheet->write($index,7,$observation['location']);
		//$this->worksheet->write($index,8,$observation['id_location']);
		$this->worksheet->write($index,6,$observation['date_observation']);
		//$this->worksheet->write($index,10,$observation['lieudit']);
		//$this->worksheet->write($index,11,$observation['station']);
	 	//$this->worksheet->write($index,12,$observation['milieu']);
	 	$this->worksheet->write($index,7,$observation['identifiant']);
		$this->worksheet->write($index,8,$observation['commentaire']);
    }
}


/* +--Fin du code ---------------------------------------------------------------------------------------+
* $Log$
* Revision 1.5  2008-11-13 11:29:12  ddelon
* Reecriture gwt-ext
*
* Revision 1.4  2007-06-06 13:31:16  ddelon
* v0.09
*
* Revision 1.3  2007-05-22 12:54:09  ddelon
* Securisation acces utilisateur
*
*
*
*/

?>