box_external_rss.php

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<?php
/* Copyright (C) 2003      Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2003      Eric Seigne          <erics@rycks.com>
 * Copyright (C) 2004-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2011 Regis Houssin        <regis.houssin@inodbox.com>
 * Copyright (C) 2015      Frederic France      <frederic.france@free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

include_once DOL_DOCUMENT_ROOT.'/core/class/rssparser.class.php';
include_once DOL_DOCUMENT_ROOT.'/core/boxes/modules_boxes.php';


class box_external_rss extends ModeleBoxes
{
  public $boxcode = "lastrssinfos";
  public $boximg = "object_rss";
  public $boxlabel = "BoxLastRssInfos";
  public $depends = array("externalrss");

  public $db;

  public $paramdef; // Params of box definition (not user params)

  public $info_box_head = array();
  public $info_box_contents = array();


  public function __construct($db, $param)
  {
    $this->db = $db;
    $this->paramdef = $param;
  }

  public function loadBox($max = 5, $cachedelay = 3600)
  {
    global $user, $langs, $conf;
    $langs->load("boxes");

    $this->max = $max;

    // On recupere numero de param de la boite
    preg_match('/^([0-9]+) /', $this->paramdef, $reg);
    $site = $reg[1];

    // Create dir nor required
    // documents/externalrss is created by module activation
    // documents/externalrss/tmp is created by rssparser

    $keyforparamurl = "EXTERNAL_RSS_URLRSS_".$site;
    $keyforparamtitle = "EXTERNAL_RSS_TITLE_".$site;

    // Get RSS feed
    $url = $conf->global->$keyforparamurl;

    $rssparser = new RssParser($this->db);
    $result = $rssparser->parser($url, $this->max, $cachedelay, $conf->externalrss->dir_temp);

    // INFO on channel
    $description = $rssparser->getDescription();
    $link = $rssparser->getLink();

    $title = $langs->trans("BoxTitleLastRssInfos", $max, $conf->global->$keyforparamtitle);
    if ($result < 0 || !empty($rssparser->error))
    {
      // Show warning
      $errormessage = $langs->trans("FailedToRefreshDataInfoNotUpToDate", ($rssparser->getLastFetchDate() ? dol_print_date($rssparser->getLastFetchDate(), "dayhourtext") : $langs->trans("Unknown")));
      if ($rssparser->error) $errormessage .= " - ".$rssparser->error;
      $title .= " ".img_error($errormessage);
      $this->info_box_head = array('text' => $title, 'limit' => 0);
    } else {
      $this->info_box_head = array(
        'text' => $title,
        'sublink' => $link,
        'subtext'=>$langs->trans("LastRefreshDate").': '.($rssparser->getLastFetchDate() ? dol_print_date($rssparser->getLastFetchDate(), "dayhourtext") : $langs->trans("Unknown")),
        'subpicto'=>'globe',
        'target'=>'_blank',
      );
    }

    // INFO on items
    $items = $rssparser->getItems();
    //print '<pre>'.print_r($items,true).'</pre>';
    $nbitems = count($items);
    for ($line = 0; $line < $max && $line < $nbitems; $line++)
    {
      $item = $items[$line];

      // Feed common fields
      $href = $item['link'];
      $title = urldecode($item['title']);
      $date = $item['date_timestamp']; // date will be empty if conversion into timestamp failed
      if ($rssparser->getFormat() == 'rss')   // If RSS
      {
        if (!$date && isset($item['pubdate']))    $date = $item['pubdate'];
        if (!$date && isset($item['dc']['date'])) $date = $item['dc']['date'];
        //$item['dc']['language']
        //$item['dc']['publisher']
      }
      if ($rssparser->getFormat() == 'atom')  // If Atom
      {
        if (!$date && isset($item['issued']))    $date = $item['issued'];
        if (!$date && isset($item['modified']))  $date = $item['modified'];
        //$item['issued']
        //$item['modified']
        //$item['atom_content']
      }
      if (is_numeric($date)) $date = dol_print_date($date, "dayhour");

      $isutf8 = utf8_check($title);
      if (!$isutf8 && $conf->file->character_set_client == 'UTF-8') $title = utf8_encode($title);
      elseif ($isutf8 && $conf->file->character_set_client == 'ISO-8859-1') $title = utf8_decode($title);

      $title = preg_replace("/([[:alnum:]])\?([[:alnum:]])/", "\\1'\\2", $title); // Gere probleme des apostrophes mal codee/decodee par utf8
      $title = preg_replace("/^\s+/", "", $title); // Supprime espaces de debut
      $this->info_box_contents["$href"] = "$title";

      $tooltip = $title;
      $description = !empty($item['description']) ? $item['description'] : '';
      $isutf8 = utf8_check($description);
      if (!$isutf8 && $conf->file->character_set_client == 'UTF-8') $description = utf8_encode($description);
      elseif ($isutf8 && $conf->file->character_set_client == 'ISO-8859-1') $description = utf8_decode($description);
      $description = preg_replace("/([[:alnum:]])\?([[:alnum:]])/", "\\1'\\2", $description);
      $description = preg_replace("/^\s+/", "", $description);
      $description = str_replace("\r\n", "", $description);
      $tooltip .= '<br>'.$description;

      $this->info_box_contents[$line][0] = array(
        'td' => 'class="left" width="16"',
        'logo' => $this->boximg,
        'url' => $href,
        'tooltip' => $tooltip,
        'target' => 'newrss',
      );

      $this->info_box_contents[$line][1] = array(
        'td' => '',
        'text' => $title,
        'url' => $href,
        'tooltip' => $tooltip,
        'maxlength' => 64,
        'target' => 'newrss',
      );

      $this->info_box_contents[$line][2] = array(
        'td' => 'class="right nowrap"',
        'text' => $date,
      );
    }
  }


  public function showBox($head = null, $contents = null, $nooutput = 0)
  {
    return parent::showBox($this->info_box_head, $this->info_box_contents, $nooutput);
  }
}