link.class.php

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<?php
/* Copyright (C) 2013       Cédric Salvador         <csalvador@gpcsolutions.fr>
 * Copyright (C) 2024-2026  MDW           <mdeweerd@users.noreply.github.com>
 * Copyright (C) 2024-2026  Frédéric 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/>.
 */
 
require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';
 
 
class Link extends CommonObject
{
  public $element = 'link';
 
  public $table_element = 'links';
 
  public $isextrafieldmanaged = 1;
 
  public $entity;
 
  public $datea;
 
  public $url;
 
  public $label;
 
  public $objecttype;
 
  public $objectid;
 
  public $share;
 
  public $share_pass;
 
  public function __construct($db)
  {
    $this->db = $db;
  }
 
 
  public function create(User $user)
  {
    global $langs, $conf;
 
    $error = 0;
    $langs->loadLangs(array("errors", "admin"));
    // Clean parameters
    if (empty($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("ErrorFieldRequired", $langs->transnoentitiesnoconv("URL"));
      return -1;
    }
 
    $this->db->begin();
 
    $sql = "INSERT INTO ".$this->db->prefix()."links (entity, datea, url, label, objecttype, objectid, share,share_pass)";
    $sql .= " VALUES (".((int) $conf->entity).", '".$this->db->idate($this->datea)."'";
    $sql .= ", '".$this->db->escape($this->url)."'";
    $sql .= ", '".$this->db->escape($this->label)."'";
    $sql .= ", '".$this->db->escape($this->objecttype)."'";
    $sql .= ", ".((int) $this->objectid);
    $sql .= ', '.(!empty($this->share) ? "'".$this->db->escape($this->share)."'" : "null");
    $sql .= ', '.(!empty($this->share_pass) ? "'".$this->db->escape($this->share_pass)."'" : "null").")";
 
    dol_syslog(get_class($this)."::create", LOG_DEBUG);
    $result = $this->db->query($sql);
    if ($result) {
      $this->id = $this->db->last_insert_id($this->db->prefix()."links");
 
      if ($this->id > 0) {
        // Actions on extra fields
        $result = $this->insertExtraFields();
        if ($result < 0) {
          $error++;
        }
 
        if (!$error) {
          // 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("ErrorDuplicateField");
        $result = -1;
      } else {
        $this->error = $this->db->lasterror();
        $result = -2;
      }
      $this->db->rollback();
      return $result;
    }
  }
 
  public function update(User $user, $call_trigger = 1)
  {
    global $langs, $conf;
    require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
    $langs->loadLangs(array("errors", "admin"));
    $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("ErrorFieldRequired", $langs->transnoentitiesnoconv("URL"));
      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();
 
    $sql  = "UPDATE ".$this->db->prefix()."links SET ";
    $sql .= "entity = ".((int) $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 = ".((int) $this->objectid);
    $sql .= ', share = '.(!empty($this->share) ? "'".$this->db->escape($this->share)."'" : "null");
    $sql .= ', share_pass = '.(!empty($this->share_pass) ? "'".$this->db->escape($this->share_pass)."'" : "null");
    $sql .= " WHERE rowid = ".((int) $this->id);
 
    dol_syslog(get_class($this)."::update sql = ".$sql);
    $resql = $this->db->query($sql);
    if ($resql) {
      // Actions on extra fields
      $result = $this->insertExtraFields();
      if ($result < 0) {
        $error++;
      }
 
      if (!$error && $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') {
        // Duplicate
        $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;
 
    $sql = "SELECT rowid, entity, datea, url, label, objecttype, objectid, share,share_pass  FROM ".$this->db->prefix()."links";
    $sql .= " WHERE objecttype = '".$this->db->escape($objecttype)."' AND objectid = ".((int) $objectid);
    if ($conf->entity != 0) {
      $sql .= " AND entity = ".((int) $conf->entity);
    }
    if ($sortfield) {
      if (empty($sortorder)) {
        $sortorder = "ASC";
      }
      $sql .= $this->db->order($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=".((int) $num), LOG_DEBUG);
      if ($num > 0) {
        while ($obj = $this->db->fetch_object($resql)) {
          $link = new Link($this->db);
          $link->id = (int) $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;
          $link->share = $obj->share;
          $link->share_pass = $obj->share_pass;
 
          // Retrieve all extrafields for link
          $link->fetch_optionals();
 
          $links[] = $link;
        }
        return 1;
      } else {
        return 0;
      }
    } else {
      return -1;
    }
  }
 
  public static function count($dbs, $objecttype, $objectid)
  {
    global $conf;
 
    $sql = "SELECT COUNT(rowid) as nb FROM ".$dbs->prefix()."links";
    $sql .= " WHERE objecttype = '".$dbs->escape($objecttype)."' AND objectid = ".((int) $objectid);
    if ($conf->entity != 0) {
      $sql .= " AND entity = ".((int) $conf->entity);
    }
 
    $resql = $dbs->query($sql);
    if ($resql) {
      $obj = $dbs->fetch_object($resql);
      if ($obj) {
        return $obj->nb;
      }
    }
    return -1;
  }
 
  public function fetch($rowid = null, $hashforshare = '')
  {
    global $conf;
 
    if (empty($rowid)) {
      $rowid = $this->id;
    }
 
    if (empty($rowid) && empty($hashforshare)) {
      $this->error = 'ErrorBadParameters';
      return -1;
    }
 
    $sqlwhere = [];
 
    $sql = "SELECT rowid, entity, datea, url, label, objecttype, objectid, share, share_pass FROM ".$this->db->prefix()."links";
    if (!empty((int) $rowid)) {
      $sqlwhere[] = " rowid = ".((int) $rowid);
    }
    if (!empty($hashforshare)) {
      $sqlwhere[] = " share = '".$this->db->escape($hashforshare)."'";
    }
 
    if ($conf->entity != 0) {
      $sqlwhere[] = " entity = ".((int) $conf->entity);
    }
    if (count($sqlwhere) > 0) {
      $sql .= ' WHERE '.implode(' AND ', $sqlwhere);
    }
 
    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;
        $this->share = $obj->share;
        $this->share_pass = $obj->share_pass;
 
        // Retrieve all extrafields for link
        $this->fetch_optionals();
 
        return 1;
      } else {
        return 0;
      }
    } else {
      $this->error = $this->db->lasterror();
      return -1;
    }
  }
 
  public function delete(User $user, $notrigger = 0)
  {
    dol_syslog(get_class($this)."::delete", LOG_DEBUG);
    $error = 0;
 
    $this->db->begin();
 
    if (!$notrigger) {
      // Call trigger
      $result = $this->call_trigger('LINK_DELETE', $user);
      if ($result < 0) {
        $this->db->rollback();
        return -1;
      }
      // End call triggers
    }
 
    // Remove link
    $sql = "DELETE FROM ".$this->db->prefix()."links";
    $sql .= " WHERE rowid = ".((int) $this->id);
 
    dol_syslog(get_class($this)."::delete", LOG_DEBUG);
    if (!$this->db->query($sql)) {
      $error++;
      $this->error = $this->db->lasterror();
    }
 
    // Removed extrafields
    if (!$error) {
      $result = $this->deleteExtraFields();
      if ($result < 0) {
        $error++;
      }
    }
 
    if (!$error) {
      $this->db->commit();
 
      return 1;
    } else {
      $this->db->rollback();
      return -1;
    }
  }
}