dav.class.php

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<?php
/* Copyright (C) 2018 Destailleur Laurent <eldy@users.sourceforge.net>
 *
 * 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/>.
 */

class CdavLib
{

  private $db;

  private $user;

  private $langs;

  public function __construct($user, $db, $langs)
  {
    $this->user = $user;
    $this->db = $db;
    $this->langs = $langs;
  }

  public function getSqlCalEvents($calid, $oid = false, $ouri = false)
  {
    // TODO : replace GROUP_CONCAT by
    $sql = 'SELECT
          a.tms AS lastupd,
          a.*,
          sp.firstname,
          sp.lastname,
          sp.address,
          sp.zip,
          sp.town,
          co.label country_label,
          sp.phone,
          sp.phone_perso,
          sp.phone_mobile,
          s.nom AS soc_nom,
          s.address soc_address,
          s.zip soc_zip,
          s.town soc_town,
          cos.label soc_country_label,
          s.phone soc_phone,
          ac.sourceuid,
          (SELECT GROUP_CONCAT(u.login) FROM '.MAIN_DB_PREFIX.'actioncomm_resources ar
            LEFT OUTER JOIN '.MAIN_DB_PREFIX.'user AS u ON (u.rowid=fk_element)
            WHERE ar.element_type=\'user\' AND fk_actioncomm=a.id) AS other_users
        FROM '.MAIN_DB_PREFIX.'actioncomm AS a';
    if (!$this->user->rights->societe->client->voir)//FIXME si 'voir' on voit plus de chose ?
    {
      $sql .= ' LEFT OUTER JOIN '.MAIN_DB_PREFIX.'societe_commerciaux AS sc ON (a.fk_soc = sc.fk_soc AND sc.fk_user='.$this->user->id.')
          LEFT JOIN '.MAIN_DB_PREFIX.'societe AS s ON (s.rowid = sc.fk_soc)
          LEFT JOIN '.MAIN_DB_PREFIX.'socpeople AS sp ON (sp.fk_soc = sc.fk_soc AND sp.rowid = a.fk_contact)
          LEFT JOIN '.MAIN_DB_PREFIX.'actioncomm_cdav AS ac ON (a.id = ac.fk_object)';
    } else {
      $sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'societe AS s ON (s.rowid = a.fk_soc)
          LEFT JOIN '.MAIN_DB_PREFIX.'socpeople AS sp ON (sp.rowid = a.fk_contact)
          LEFT JOIN '.MAIN_DB_PREFIX.'actioncomm_cdav AS ac ON (a.id = ac.fk_object)';
    }

    $sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'c_country as co ON co.rowid = sp.fk_pays
        LEFT JOIN '.MAIN_DB_PREFIX.'c_country as cos ON cos.rowid = s.fk_pays
        WHERE   a.id IN (SELECT ar.fk_actioncomm FROM '.MAIN_DB_PREFIX.'actioncomm_resources ar WHERE ar.element_type=\'user\' AND ar.fk_element='.intval($calid).')
            AND a.code IN (SELECT cac.code FROM '.MAIN_DB_PREFIX.'c_actioncomm cac WHERE cac.type<>\'systemauto\')
            AND a.entity IN ('.getEntity('societe', 1).')';
    if ($oid !== false) {
      if ($ouri === false)
      {
        $sql .= ' AND a.id = '.intval($oid);
      } else {
        $sql .= ' AND (a.id = '.intval($oid).' OR ac.uuidext = \''.$this->db->escape($ouri).'\')';
      }
    }

    return $sql;
  }

  public function toVCalendar($calid, $obj)
  {
    /*$categ = array();
    if($obj->soc_client)
    {
      $nick[] = $obj->soc_code_client;
      $categ[] = $this->langs->transnoentitiesnoconv('Customer');
    }*/

    $location = $obj->location;

    // contact address
    if (empty($location) && !empty($obj->address))
    {
      $location = trim(str_replace(array("\r", "\t", "\n"), ' ', $obj->address));
      $location = trim($location.', '.$obj->zip);
      $location = trim($location.' '.$obj->town);
      $location = trim($location.', '.$obj->country_label);
    }

    // contact address
    if (empty($location) && !empty($obj->soc_address))
    {
      $location = trim(str_replace(array("\r", "\t", "\n"), ' ', $obj->soc_address));
      $location = trim($location.', '.$obj->soc_zip);
      $location = trim($location.' '.$obj->soc_town);
      $location = trim($location.', '.$obj->soc_country_label);
    }

    $address = explode("\n", $obj->address, 2);
    foreach ($address as $kAddr => $vAddr)
    {
      $address[$kAddr] = trim(str_replace(array("\r", "\t"), ' ', str_replace("\n", ' | ', trim($vAddr))));
    }
    $address[] = '';
    $address[] = '';

    if ($obj->percent == -1 && trim($obj->datep) != '')
      $type = 'VEVENT';
    else $type = 'VTODO';

    $timezone = date_default_timezone_get();

    $caldata = "BEGIN:VCALENDAR\n";
    $caldata .= "VERSION:2.0\n";
    $caldata .= "METHOD:PUBLISH\n";
    $caldata .= "PRODID:-//Dolibarr CDav//FR\n";
    $caldata .= "BEGIN:".$type."\n";
    $caldata .= "CREATED:".gmdate('Ymd\THis', strtotime($obj->datec))."Z\n";
    $caldata .= "LAST-MODIFIED:".gmdate('Ymd\THis', strtotime($obj->lastupd))."Z\n";
    $caldata .= "DTSTAMP:".gmdate('Ymd\THis', strtotime($obj->lastupd))."Z\n";
    if ($obj->sourceuid == '')
      $caldata .= "UID:".$obj->id.'-ev-'.$calid.'-cal-'.constant('CDAV_URI_KEY')."\n";
    else $caldata .= "UID:".$obj->sourceuid."\n";
    $caldata .= "SUMMARY:".$obj->label."\n";
    $caldata .= "LOCATION:".$location."\n";
    $caldata .= "PRIORITY:".$obj->priority."\n";
    if ($obj->fulldayevent)
    {
      $caldata .= "DTSTART;VALUE=DATE:".date('Ymd', strtotime($obj->datep))."\n";
      if ($type == 'VEVENT')
      {
        if (trim($obj->datep2) != '')
          $caldata .= "DTEND;VALUE=DATE:".date('Ymd', strtotime($obj->datep2) + 1)."\n";
        else $caldata .= "DTEND;VALUE=DATE:".date('Ymd', strtotime($obj->datep) + (25 * 3600))."\n";
      } elseif (trim($obj->datep2) != '')
        $caldata .= "DUE;VALUE=DATE:".date('Ymd', strtotime($obj->datep2) + 1)."\n";
    } else {
      $caldata .= "DTSTART;TZID=".$timezone.":".strtr($obj->datep, array(" "=>"T", ":"=>"", "-"=>""))."\n";
      if ($type == 'VEVENT')
      {
        if (trim($obj->datep2) != '')
          $caldata .= "DTEND;TZID=".$timezone.":".strtr($obj->datep2, array(" "=>"T", ":"=>"", "-"=>""))."\n";
        else $caldata .= "DTEND;TZID=".$timezone.":".strtr($obj->datep, array(" "=>"T", ":"=>"", "-"=>""))."\n";
      } elseif (trim($obj->datep2) != '')
        $caldata .= "DUE;TZID=".$timezone.":".strtr($obj->datep2, array(" "=>"T", ":"=>"", "-"=>""))."\n";
    }
    $caldata .= "CLASS:PUBLIC\n";
    if ($obj->transparency == 1)
      $caldata .= "TRANSP:TRANSPARENT\n";
    else $caldata .= "TRANSP:OPAQUE\n";

    if ($type == 'VEVENT')
      $caldata .= "STATUS:CONFIRMED\n";
    elseif ($obj->percent == 0)
      $caldata .= "STATUS:NEEDS-ACTION\n";
    elseif ($obj->percent == 100)
      $caldata .= "STATUS:COMPLETED\n";
    else {
      $caldata .= "STATUS:IN-PROCESS\n";
      $caldata .= "PERCENT-COMPLETE:".$obj->percent."\n";
    }

    $caldata .= "DESCRIPTION:";
    $caldata .= strtr($obj->note, array("\n"=>"\\n", "\r"=>""));
    if (!empty($obj->soc_nom))
      $caldata .= "\\n*DOLIBARR-SOC: ".$obj->soc_nom;
    if (!empty($obj->soc_phone))
      $caldata .= "\\n*DOLIBARR-SOC-TEL: ".$obj->soc_phone;
    if (!empty($obj->firstname) || !empty($obj->lastname))
      $caldata .= "\\n*DOLIBARR-CTC: ".trim($obj->firstname.' '.$obj->lastname);
    if (!empty($obj->phone) || !empty($obj->phone_perso) || !empty($obj->phone_mobile))
      $caldata .= "\\n*DOLIBARR-CTC-TEL: ".trim($obj->phone.' '.$obj->phone_perso.' '.$obj->phone_mobile);
    if (strpos($obj->other_users, ',')) // several
      $caldata .= "\\n*DOLIBARR-USR: ".$obj->other_users;
    $caldata .= "\n";

    $caldata .= "END:".$type."\n";
    $caldata .= "END:VCALENDAR\n";

    return $caldata;
  }

  public function getFullCalendarObjects($calendarId, $bCalendarData)
  {
    $calid = ($calendarId * 1);
    $calevents = array();

    if (!$this->user->rights->agenda->myactions->read)
      return $calevents;

    if ($calid != $this->user->id && (!isset($this->user->rights->agenda->allactions->read) || !$this->user->rights->agenda->allactions->read))
      return $calevents;

    $sql = $this->getSqlCalEvents($calid);

    $result = $this->db->query($sql);

    if ($result)
    {
      while ($obj = $this->db->fetch_object($result))
      {
        $calendardata = $this->toVCalendar($calid, $obj);

        if ($bCalendarData)
        {
          $calevents[] = array(
            'calendardata' => $calendardata,
            'uri' => $obj->id.'-ev-'.constant('CDAV_URI_KEY'),
            'lastmodified' => strtotime($obj->lastupd),
            'etag' => '"'.md5($calendardata).'"',
            'calendarid'   => $calendarId,
            'size' => strlen($calendardata),
            'component' => strpos($calendardata, 'BEGIN:VEVENT') > 0 ? 'vevent' : 'vtodo',
          );
        } else {
          $calevents[] = array(
            // 'calendardata' => $calendardata,  not necessary because etag+size are present
            'uri' => $obj->id.'-ev-'.constant('CDAV_URI_KEY'),
            'lastmodified' => strtotime($obj->lastupd),
            'etag' => '"'.md5($calendardata).'"',
            'calendarid'   => $calendarId,
            'size' => strlen($calendardata),
            'component' => strpos($calendardata, 'BEGIN:VEVENT') > 0 ? 'vevent' : 'vtodo',
          );
        }
      }
    }
    return $calevents;
  }
}