link.class.php

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<?php
/* Copyright (C) 2013 Cédric Salvador <csalvador@gpcsolutions.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/>.
 */

require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';


class Link extends CommonObject
{
  public $element = 'link';

  public $table_element = 'links';

  public $entity;

  public $datea;
  public $url;

  public $label;

  public $objecttype;
  public $objectid;


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


  public function create($user = '')
  {
    global $langs, $conf;

    $error = 0;
    $langs->load("errors");
    // Clean parameters
    if (empty($this->label)) {
      $this->label = trim(basename($this->url));
    }
    if (empty($this->datea)) {
      $this->datea = dol_now();
    }
    $this->url = trim($this->url);

    dol_syslog(get_class($this)."::create ".$this->url);

    // Check parameters
    if (empty($this->url)) {
      $this->error = $langs->trans("NoUrl");
      return -1;
    }

    $this->db->begin();

    $sql = "INSERT INTO ".MAIN_DB_PREFIX."links (entity, datea, url, label, objecttype, objectid)";
    $sql .= " VALUES (".$conf->entity.", '".$this->db->idate($this->datea)."'";
    $sql .= ", '".$this->db->escape($this->url)."'";
    $sql .= ", '".$this->db->escape($this->label)."'";
    $sql .= ", '".$this->db->escape($this->objecttype)."'";
    $sql .= ", ".$this->objectid.")";

    dol_syslog(get_class($this)."::create", LOG_DEBUG);
    $result = $this->db->query($sql);
    if ($result) {
      $this->id = $this->db->last_insert_id(MAIN_DB_PREFIX."links");

      if ($this->id > 0) {
        // Call trigger
        $result = $this->call_trigger('LINK_CREATE', $user);
        if ($result < 0) $error++;
        // End call triggers
      } else {
        $error++;
      }

      if (!$error)
      {
        dol_syslog(get_class($this)."::Create success id=".$this->id);
        $this->db->commit();
        return $this->id;
      } else {
        dol_syslog(get_class($this)."::Create echec update ".$this->error, LOG_ERR);
        $this->db->rollback();
        return -3;
      }
    } else {
      if ($this->db->errno() == 'DB_ERROR_RECORD_ALREADY_EXISTS')
      {
        $this->error = $langs->trans("ErrorCompanyNameAlreadyExists", $this->name);
        $result = -1;
      } else {
        $this->error = $this->db->lasterror();
        $result = -2;
      }
      $this->db->rollback();
      return $result;
    }
  }

  public function update($user = '', $call_trigger = 1)
  {
    global $langs, $conf;
    require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';

    $langs->load("errors");
    $error = 0;

    dol_syslog(get_class($this)."::Update id = ".$this->id." call_trigger = ".$call_trigger);

    // Check parameters
    if (empty($this->url))
    {
      $this->error = $langs->trans("NoURL");
      return -1;
    }

    // Clean parameters
    $this->url       = clean_url($this->url, 1);
    if (empty($this->label)) $this->label = basename($this->url);
    $this->label     = trim($this->label);


    $this->db->begin();

    $sql  = "UPDATE ".MAIN_DB_PREFIX."links SET ";
    $sql .= "entity = ".$conf->entity;
    $sql .= ", datea = '".$this->db->idate(dol_now())."'";
    $sql .= ", url = '".$this->db->escape($this->url)."'";
    $sql .= ", label = '".$this->db->escape($this->label)."'";
    $sql .= ", objecttype = '".$this->db->escape($this->objecttype)."'";
    $sql .= ", objectid = ".$this->objectid;
    $sql .= " WHERE rowid = ".$this->id;

    dol_syslog(get_class($this)."::update sql = ".$sql);
    $resql = $this->db->query($sql);
    if ($resql)
    {
      if ($call_trigger)
      {
        // Call trigger
        $result = $this->call_trigger('LINK_MODIFY', $user);
        if ($result < 0) $error++;
        // End call triggers
      }

      if (!$error)
      {
        dol_syslog(get_class($this)."::Update success");
        $this->db->commit();
        return 1;
      } else {
        setEventMessages('', $this->errors, 'errors');
        $this->db->rollback();
        return -1;
      }
    } else {
      if ($this->db->errno() == 'DB_ERROR_RECORD_ALREADY_EXISTS')
      {
        // Doublon
        $this->error = $langs->trans("ErrorDuplicateField");
        $result = -1;
      } else {
        $this->error = $langs->trans("Error sql = ".$sql);
        $result = -2;
      }
      $this->db->rollback();
      return $result;
    }
  }

  public function fetchAll(&$links, $objecttype, $objectid, $sortfield = null, $sortorder = null)
  {
    global $conf;

    $sql = "SELECT rowid, entity, datea, url, label, objecttype, objectid FROM ".MAIN_DB_PREFIX."links";
    $sql .= " WHERE objecttype = '".$this->db->escape($objecttype)."' AND objectid = ".$objectid;
    if ($conf->entity != 0) $sql .= " AND entity = ".$conf->entity;
    if ($sortfield) {
      if (empty($sortorder)) {
        $sortorder = "ASC";
      }
      $sql .= " ORDER BY ".$sortfield." ".$sortorder;
    }

    dol_syslog(get_class($this)."::fetchAll", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql)
    {
      $num = $this->db->num_rows($resql);
      dol_syslog(get_class($this)."::fetchAll ".$num."records", LOG_DEBUG);
      if ($num > 0)
      {
        while ($obj = $this->db->fetch_object($resql))
        {
          $link = new Link($this->db);
          $link->id = $obj->rowid;
          $link->entity = $obj->entity;
          $link->datea = $this->db->jdate($obj->datea);
          $link->url = $obj->url;
          $link->label = $obj->label;
          $link->objecttype = $obj->objecttype;
          $link->objectid = $obj->objectid;
          $links[] = $link;
        }
        return 1;
      } else {
        return 0;
      }
    } else {
      return -1;
    }
  }

  public static function count($db, $objecttype, $objectid)
  {
    global $conf;

    $sql = "SELECT COUNT(rowid) as nb FROM ".MAIN_DB_PREFIX."links";
    $sql .= " WHERE objecttype = '".$db->escape($objecttype)."' AND objectid = ".$objectid;
    if ($conf->entity != 0) $sql .= " AND entity = ".$conf->entity;

    $resql = $db->query($sql);
    if ($resql)
    {
      $obj = $db->fetch_object($resql);
      if ($obj) return $obj->nb;
    }
    return -1;
  }

  public function fetch($rowid = null)
  {
    global $conf;

    if (empty($rowid)) {
      $rowid = $this->id;
    }

    $sql = "SELECT rowid, entity, datea, url, label, objecttype, objectid FROM ".MAIN_DB_PREFIX."links";
    $sql .= " WHERE rowid = ".$rowid;
    if ($conf->entity != 0) $sql .= " AND entity = ".$conf->entity;

    dol_syslog(get_class($this)."::fetch", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql)
    {
      if ($this->db->num_rows($resql) > 0)
      {
        $obj = $this->db->fetch_object($resql);

        $this->id = $obj->rowid;
        $this->entity = $obj->entity;
        $this->datea = $this->db->jdate($obj->datea);
        $this->url = $obj->url;
        $this->label = $obj->label;
        $this->objecttype = $obj->objecttype;
        $this->objectid = $obj->objectid;
        return 1;
      } else {
        return 0;
      }
    } else {
      $this->error = $this->db->lasterror();
      return -1;
    }
  }

  public function delete($user)
  {
    dol_syslog(get_class($this)."::delete", LOG_DEBUG);
    $error = 0;

    $this->db->begin();

    // Call trigger
    $result = $this->call_trigger('LINK_DELETE', $user);
    if ($result < 0)
    {
      $this->db->rollback();
      return -1;
    }
    // End call triggers

    // Remove link
    $sql = "DELETE FROM ".MAIN_DB_PREFIX."links";
    $sql .= " WHERE rowid = ".$this->id;

    dol_syslog(get_class($this)."::delete", LOG_DEBUG);
    if (!$this->db->query($sql))
    {
      $error++;
      $this->error = $this->db->lasterror();
    }

    if (!$error) {
      $this->db->commit();

      return 1;
    } else {
      $this->db->rollback();
      return -1;
    }
  }
}