<?php
/* Copyright (C) 2007-2012  Laurent Destailleur <eldy@users.sourceforge.net>
 * Copyright (C) 2014-2016  Juanjo Menent       <jmenent@2byte.es>
 * Copyright (C) 2015       Florian Henry       <florian.henry@open-concept.pro>
 * Copyright (C) 2015       Raphaël Doursenaud  <rdoursenaud@gpcsolutions.fr>
 * Copyright (C) 2018       Francis Appels      <francis.appels@yahoo.com>
 * Copyright (C) 2019       Frédéric France     <frederic.france@netlogic.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/>.
 */

/**
 * \file    htdocs/ecm/class/ecmfiles.class.php
 * \ingroup ecm
 * \brief   Class to manage ECM Files (Create/Read/Update/Delete)
 */

// Put here all includes required by your class file
require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';

/**
 * Class to manage ECM files
 */
class EcmFiles extends CommonObject
{
	/**
	 * @var string Id to identify managed objects
	 */
	public $element = 'ecmfiles';

	/**
	 * @var string Name of table without prefix where object is stored
	 */
	public $table_element = 'ecm_files';

	/**
	 * @var string String with name of icon for myobject. Must be the part after the 'object_' into object_myobject.png
	 */
	public $picto = 'folder-open';

	/**
	 * @var string Ref hash of file path
	 */
	public $ref;

	/**
	 * hash of file content (md5_file(dol_osencode($destfull))
	 * @var string Ecm Files label
	 */
	public $label;

	/**
	 * @var string hash for file sharing, empty by default (example: getRandomPassword(true))
	 */
	public $share;

	/**
	 * @var int Entity
	 */
	public $entity;

	/**
	 * @var string filename, Note: Into ecm database record, the entry $filename never ends with .noexe
	 */
	public $filename;

	/**
	 * @var string filepath
	 */
	public $filepath;

	/**
	 * @var string fullpath origin
	 */
	public $fullpath_orig;

	/**
	 * @var string description
	 */
	public $description;

	/**
	 * @var string keywords
	 */
	public $keywords;

	/**
	 * @var string cover
	 */
	public $cover;

	/**
	 * @var int position
	 */
	public $position;

	/**
	 * @var string can be 'generated', 'uploaded', 'unknown'
	 */
	public $gen_or_uploaded;

	/**
	 * @var string extraparams
	 */
	public $extraparams;

	/**
	 * @var int|string date create
	 */
	public $date_c = '';

	/**
	 * @var int|string date modify
	 */
	public $date_m = '';

	/**
	 * @var int ID
	 */
	public $fk_user_c;

	/**
	 * @var int ID
	 */
	public $fk_user_m;

	/**
	 * @var string acl
	 */
	public $acl;

	/**
	 * @var string src object type
	 */
	public $src_object_type;

	/**
	 * @var int src object id
	 */
	public $src_object_id;

	/**
	 * @var int section_id		ID of section = ID of EcmDirectory, directory of manual ECM (not stored into database)
	 */
	public $section_id;

	public $fields = array(
		'rowid' => array('type'=>'integer', 'label'=>'TechnicalID', 'enabled'=>'1', 'position'=>1, 'notnull'=>1, 'visible'=>0, 'noteditable'=>'1', 'index'=>1, 'css'=>'left', 'comment'=>"Id"),
		'ref' => array('type'=>'varchar(128)', 'label'=>'Ref', 'enabled'=>'1', 'position'=>20, 'notnull'=>1, 'visible'=>-1, 'index'=>1, 'searchall'=>1, 'showoncombobox'=>'1', 'validate'=>'1', 'comment'=>"contains hash from filename+filepath"),
		'label' => array('type'=>'varchar(128)', 'label'=>'Label', 'enabled'=>'1', 'position'=>30, 'notnull'=>0, 'visible'=>-1, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1', 'comment'=>"contains hash of file content"),
		'share' => array('type'=>'varchar(128)', 'label'=>'Share', 'enabled'=>'1', 'position'=>40, 'notnull'=>0, 'visible'=>-1, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1', 'comment' => "contains hash for file sharing"),
		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => 1, 'enabled' => 1, 'visible' => -2, 'notnull' => -1, 'position' => 50, 'index' => 1),
		'filepath' => array('type'=>'varchar(255)', 'label'=>'FilePath', 'enabled'=>'1', 'position'=>60, 'notnull'=>0, 'visible'=>0, 'searchall'=>0, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1','comment'=> "relative to dolibarr document dir. Example module/def"),
		'filename' => array('type'=>'varchar(255)', 'label'=>'FileName', 'enabled'=>'1', 'position'=>70, 'notnull'=>0, 'visible'=>1, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1','comment'=>"file name only without any directory"),
		'src_object_type' => array('type'=>'varchar(64)', 'label'=>'SourceType', 'enabled'=>'1', 'position'=>80, 'notnull'=>0, 'visible'=>0, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1','comment'=> "Source object type ('proposal', 'invoice', ...)"),
		'src_object_id' => array('type' => 'integer', 'label' => 'SourceID', 'default' => 1, 'enabled' => 1, 'visible' => 0, 'notnull' => 1, 'position' => 90, 'index' => 1, 'comment' => "Source object id"),
		'fullpath_orig' => array('type'=>'varchar(750)', 'label'=>'FullPathOrig', 'enabled'=>'1', 'position'=>100, 'notnull'=>0, 'visible'=>0, 'searchall'=>0, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1','comment'=>"full path of original filename, when file is uploaded from a local computer"),
		'description' => array('type' => 'text', 'label' => 'Description', 'enabled' => 1, 'visible' => 0, 'position' => 110),
		'keywords' => array('type'=>'varchar(750)', 'label'=>'Keywords', 'enabled'=>'1', 'position'=>120, 'notnull'=>0, 'visible'=>1, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1','comment'=>"list of keywords, separated with comma. Must be limited to most important keywords."),
		'cover' => array('type' => 'text', 'label' => 'Cover', 'enabled' => 1, 'visible' => 0, 'position' => 130, 'comment'=>"is this file a file to use for a cover"),
		'position' => array('type' => 'integer', 'label' => 'Position', 'default' => 1, 'enabled' => 1, 'visible' => -2, 'notnull' => 1, 'position' => 140, 'index' => 1, 'comment' => "position of file among others"),
		'gen_or_uploaded' => array('type'=>'varchar(12)', 'label'=>'GenOrUpload', 'enabled'=>'1', 'position'=>150, 'notnull'=>0, 'visible'=>-1, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1','comment'=>"'generated' or 'uploaded'"),
		'extraparams' => array('type'=>'varchar(255)', 'label'=>'ExtraParams', 'enabled'=>'1', 'position'=>160, 'notnull'=>0, 'visible'=>1, 'searchall'=>1, 'css'=>'minwidth300', 'cssview'=>'wordbreak', 'help'=>"Help text", 'showoncombobox'=>'2', 'validate'=>'1', 'comment' => "for stocking other parameters with json format"),
		'date_c' => array('type' => 'datetime', 'label' => 'DateCreation', 'enabled' => 1, 'visible' => -1, 'position' => 170),
		'tms' => array('type' => 'timestamp', 'label' => 'DateModification', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'position' => 175),
		'fk_user_c' => array('type'=>'integer:User:user/class/user.class.php', 'label'=>'UserAuthor', 'enabled'=>'1', 'position'=>510, 'notnull'=>1, 'visible'=>-2, 'foreignkey'=>'user.rowid',),
		'fk_user_m' => array('type'=>'integer:User:user/class/user.class.php', 'label'=>'UserModif', 'enabled'=>'1', 'position'=>511, 'notnull'=>-1, 'visible'=>-2,),
		'note_public' => array('type' => 'text', 'label' => 'NotePublic', 'enabled' => 1, 'visible' => 0, 'position' => 155),
		'note_private' => array('type' => 'text', 'label' => 'NotePrivate', 'enabled' => 1, 'visible' => 0, 'position' => 160),
		'acl' => array('type' => 'text', 'label' => 'NotePrivate', 'enabled' => 1, 'visible' => 0, 'position' => 160, 'comment' => "for future permission 'per file'"),
	);


	/**
	 * Constructor
	 *
	 * @param DoliDb $db Database handler
	 */
	public function __construct(DoliDB $db)
	{
		$this->db = $db;
	}

	/**
	 * Create object into database
	 *
	 * @param  User $user      	User that creates
	 * @param  bool $notrigger 	false=launch triggers after, true=disable triggers
	 * @return int 				<0 if KO, Id of created object if OK
	 */
	public function create(User $user, $notrigger = false)
	{
		global $conf;

		dol_syslog(__METHOD__, LOG_DEBUG);

		$error = 0;

		// Clean parameters
		if (isset($this->ref)) {
			$this->ref = trim($this->ref);
		}
		if (isset($this->label)) {
			$this->label = trim($this->label);
		}
		if (isset($this->share)) {
			$this->share = trim($this->share);
		}
		if (isset($this->entity)) {
			$this->entity = (int) $this->entity;
		}
		if (isset($this->filename)) {
			$this->filename = preg_replace('/\.noexe$/', '', trim($this->filename));
		}
		if (isset($this->filepath)) {
			$this->filepath = trim($this->filepath);
			$this->filepath = preg_replace('/[\\/]+$/', '', $this->filepath); // Remove last /
		}
		if (isset($this->fullpath_orig)) {
			$this->fullpath_orig = trim($this->fullpath_orig);
		}
		if (isset($this->description)) {
			$this->description = trim($this->description);
		}
		if (isset($this->keywords)) {
			$this->keywords = trim($this->keywords);
		}
		if (isset($this->cover)) {
			$this->cover = trim($this->cover);
		}
		if (isset($this->gen_or_uploaded)) {
			$this->gen_or_uploaded = trim($this->gen_or_uploaded);
		}
		if (isset($this->extraparams)) {
			$this->extraparams = trim($this->extraparams);
		}
		if (isset($this->fk_user_c)) {
			$this->fk_user_c = (int) $this->fk_user_c;
		}
		if (isset($this->fk_user_m)) {
			$this->fk_user_m = (int) $this->fk_user_m;
		}
		if (isset($this->acl)) {
			$this->acl = trim($this->acl);
		}
		if (isset($this->src_object_type)) {
			$this->src_object_type = trim($this->src_object_type);
		}
		if (empty($this->date_c)) {
			$this->date_c = dol_now();
		}
		if (empty($this->date_m)) {
			$this->date_m = dol_now();
		}

		// If ref not defined
		if (empty($this->ref)) {
			include_once DOL_DOCUMENT_ROOT.'/core/lib/security.lib.php';
			$this->ref = dol_hash($this->filepath.'/'.$this->filename, 3);
		}

		$maxposition = 0;
		if (empty($this->position)) {
			// Get max used
			$sql = "SELECT MAX(position) as maxposition FROM ".MAIN_DB_PREFIX.$this->table_element;
			$sql .= " WHERE filepath ='".$this->db->escape($this->filepath)."'";

			$resql = $this->db->query($sql);
			if ($resql) {
				$obj = $this->db->fetch_object($resql);
				$maxposition = (int) $obj->maxposition;
			} else {
				$this->errors[] = 'Error '.$this->db->lasterror();
				return --$error;
			}
			$maxposition = $maxposition + 1;
		} else {
			$maxposition = $this->position;
		}

		// Check parameters
		if (empty($this->filename) || empty($this->filepath)) {
			$this->errors[] = 'Bad property filename or filepath';
			return --$error;
		}
		if (!isset($this->entity)) {
			$this->entity = $conf->entity;
		}
		// Put here code to add control on parameters values

		// Insert request
		$sql = 'INSERT INTO '.MAIN_DB_PREFIX.$this->table_element.'(';
		$sql .= 'ref,';
		$sql .= 'label,';
		$sql .= 'share,';
		$sql .= 'entity,';
		$sql .= 'filename,';
		$sql .= 'filepath,';
		$sql .= 'fullpath_orig,';
		$sql .= 'description,';
		$sql .= 'keywords,';
		$sql .= 'cover,';
		$sql .= 'position,';
		$sql .= 'gen_or_uploaded,';
		$sql .= 'extraparams,';
		$sql .= 'date_c,';
		$sql .= 'tms,';
		$sql .= 'fk_user_c,';
		$sql .= 'fk_user_m,';
		$sql .= 'acl,';
		$sql .= 'src_object_type,';
		$sql .= 'src_object_id';
		$sql .= ') VALUES (';
		$sql .= " '".$this->db->escape($this->ref)."', ";
		$sql .= ' '.(!isset($this->label) ? 'NULL' : "'".$this->db->escape($this->label)."'").',';
		$sql .= ' '.(!isset($this->share) ? 'NULL' : "'".$this->db->escape($this->share)."'").',';
		$sql .= ' '.((int) $this->entity).',';
		$sql .= ' '.(!isset($this->filename) ? 'NULL' : "'".$this->db->escape($this->filename)."'").',';
		$sql .= ' '.(!isset($this->filepath) ? 'NULL' : "'".$this->db->escape($this->filepath)."'").',';
		$sql .= ' '.(!isset($this->fullpath_orig) ? 'NULL' : "'".$this->db->escape($this->fullpath_orig)."'").',';
		$sql .= ' '.(!isset($this->description) ? 'NULL' : "'".$this->db->escape($this->description)."'").',';
		$sql .= ' '.(!isset($this->keywords) ? 'NULL' : "'".$this->db->escape($this->keywords)."'").',';
		$sql .= ' '.(!isset($this->cover) ? 'NULL' : "'".$this->db->escape($this->cover)."'").',';
		$sql .= ' '.((int) $maxposition).',';
		$sql .= ' '.(!isset($this->gen_or_uploaded) ? 'NULL' : "'".$this->db->escape($this->gen_or_uploaded)."'").',';
		$sql .= ' '.(!isset($this->extraparams) ? 'NULL' : "'".$this->db->escape($this->extraparams)."'").',';
		$sql .= " '".$this->db->idate($this->date_c)."',";
		$sql .= ' '.(!isset($this->date_m) || dol_strlen($this->date_m) == 0 ? 'NULL' : "'".$this->db->idate($this->date_m)."'").',';
		$sql .= ' '.(!isset($this->fk_user_c) ? $user->id : $this->fk_user_c).',';
		$sql .= ' '.(!isset($this->fk_user_m) ? 'NULL' : $this->fk_user_m).',';
		$sql .= ' '.(!isset($this->acl) ? 'NULL' : "'".$this->db->escape($this->acl)."'").',';
		$sql .= ' '.(!isset($this->src_object_type) ? 'NULL' : "'".$this->db->escape($this->src_object_type)."'").',';
		$sql .= ' '.(!isset($this->src_object_id) ? 'NULL' : $this->src_object_id);
		$sql .= ')';

		$this->db->begin();

		$resql = $this->db->query($sql);
		if (!$resql) {
			$error++;
			if ($this->db->lasterrno() == 'DB_ERROR_RECORD_ALREADY_EXISTS') {
				$this->errors[] = 'Error DB_ERROR_RECORD_ALREADY_EXISTS : '.$this->db->lasterror();
			} else {
				$this->errors[] = 'Error '.$this->db->lasterror();
			}
			dol_syslog(__METHOD__.' '.implode(',', $this->errors), LOG_ERR);
		}

		if (!$error) {
			$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.$this->table_element);
			$this->position = $maxposition;

			// Triggers
			if (!$notrigger) {
				// Call triggers
				$result = $this->call_trigger(strtoupper(get_class($this)).'_CREATE', $user);
				if ($result < 0) {
					$error++;
				}
				// End call triggers
			}
		}

		// Commit or rollback
		if ($error) {
			$this->db->rollback();

			return -1 * $error;
		} else {
			$this->db->commit();

			return $this->id;
		}
	}

	/**
	 * Load object in memory from the database
	 *
	 * @param  int    $id          	   	Id object
	 * @param  string $ref         	   	Hash of file name (filename+filepath). Not always defined on some version.
	 * @param  string $relativepath    	Relative path of file from document directory. Example: 'path/path2/file' or 'path/path2/*'
	 * @param  string $hashoffile      	Hash of file content. Take the first one found if same file is at different places. This hash will also change if file content is changed.
	 * @param  string $hashforshare    	Hash of file sharing or 'shared'
	 * @param  string $src_object_type 	src_object_type to search (value of object->table_element)
	 * @param  string $src_object_id 	src_object_id to search
	 * @return int                 	   	<0 if KO, 0 if not found, >0 if OK
	 */
	public function fetch($id, $ref = '', $relativepath = '', $hashoffile = '', $hashforshare = '', $src_object_type = '', $src_object_id = 0)
	{
		global $conf;

		dol_syslog(__METHOD__, LOG_DEBUG);

		$sql = 'SELECT';
		$sql .= ' t.rowid,';
		$sql .= " t.ref,";
		$sql .= " t.label,";
		$sql .= " t.share,";
		$sql .= " t.entity,";
		$sql .= " t.filename,";
		$sql .= " t.filepath,";
		$sql .= " t.fullpath_orig,";
		$sql .= " t.description,";
		$sql .= " t.keywords,";
		$sql .= " t.cover,";
		$sql .= " t.position,";
		$sql .= " t.gen_or_uploaded,";
		$sql .= " t.extraparams,";
		$sql .= " t.date_c,";
		$sql .= " t.tms as date_m,";
		$sql .= " t.fk_user_c,";
		$sql .= " t.fk_user_m,";
		$sql .= ' t.note_private,';
		$sql .= ' t.note_public,';
		$sql .= " t.acl,";
		$sql .= " t.src_object_type,";
		$sql .= " t.src_object_id";
		$sql .= ' FROM '.MAIN_DB_PREFIX.$this->table_element.' as t';
		$sql .= ' WHERE 1 = 1';
		/* Fetching this table depends on filepath+filename, it must not depends on entity because filesystem on disk does not know what is Dolibarr entities
		 if (isModEnabled('multicompany')) {
		 $sql .= " AND entity IN (" . getEntity('ecmfiles') . ")";
		 }*/
		if ($relativepath) {
			$relativepathwithnoexe = preg_replace('/\.noexe$/', '', $relativepath); // We must never have the .noexe into the database
			$sql .= " AND t.filepath = '".$this->db->escape(dirname($relativepath))."'";
			$filename = basename($relativepathwithnoexe);
			if ($filename != '*') {
				$sql .= " AND t.filename = '".$this->db->escape($filename)."'";
			}
			$sql .= " AND t.entity = ".$conf->entity; // unique key include the entity so each company has its own index
		} elseif (!empty($ref)) {		// hash of file path
			$sql .= " AND t.ref = '".$this->db->escape($ref)."'";
			$sql .= " AND t.entity = ".$conf->entity; // unique key include the entity so each company has its own index
		} elseif (!empty($hashoffile)) {	// hash of content
			$sql .= " AND t.label = '".$this->db->escape($hashoffile)."'";
			$sql .= " AND t.entity = ".$conf->entity; // unique key include the entity so each company has its own index
		} elseif (!empty($hashforshare)) {
			if ($hashforshare != 'shared') {
				$sql .= " AND t.share = '".$this->db->escape($hashforshare)."'";
			} else {
				$sql .= " AND t.share IS NOT NULL AND t.share <> ''";
			}
			//$sql .= " AND t.entity = ".$conf->entity;							// hashforshare already unique
		} elseif ($src_object_type && $src_object_id) {
			// Warning: May return several record, and only first one is returned !
			$sql .= " AND t.src_object_type = '".$this->db->escape($src_object_type)."' AND t.src_object_id = ".((int) $src_object_id);
			$sql .= " AND t.entity = ".((int) $conf->entity);
		} else {
			$sql .= ' AND t.rowid = '.((int) $id); // rowid already unique
		}

		$this->db->plimit(1); // When we search on src or on hash of content (hashforfile) to solve hash conflict when several files has same content, we take first one only
		$this->db->order('t.rowid', 'ASC');

		$resql = $this->db->query($sql);
		if ($resql) {
			$numrows = $this->db->num_rows($resql);
			if ($numrows) {
				$obj = $this->db->fetch_object($resql);

				$this->id = $obj->rowid;
				$this->ref = $obj->ref;
				$this->label = $obj->label;
				$this->share = $obj->share;
				$this->entity = $obj->entity;
				$this->filename = $obj->filename;
				$this->filepath = $obj->filepath;
				$this->fullpath_orig = $obj->fullpath_orig;
				$this->description = $obj->description;
				$this->keywords = $obj->keywords;
				$this->cover = $obj->cover;
				$this->position = $obj->position;
				$this->gen_or_uploaded = $obj->gen_or_uploaded;
				$this->extraparams = $obj->extraparams;
				$this->date_c = $this->db->jdate($obj->date_c);
				$this->date_m = $this->db->jdate($obj->date_m);
				$this->fk_user_c = $obj->fk_user_c;
				$this->fk_user_m = $obj->fk_user_m;
				$this->note_private = $obj->note_private;
				$this->note_public = $obj->note_public;
				$this->acl = $obj->acl;
				$this->src_object_type = $obj->src_object_type;
				$this->src_object_id = $obj->src_object_id;
			}

			// Retrieve all extrafields for ecm_files
			// fetch optionals attributes and labels
			$this->fetch_optionals();

			// $this->fetch_lines();

			$this->db->free($resql);

			if ($numrows) {
				return 1;
			} else {
				return 0;
			}
		} else {
			$this->errors[] = 'Error '.$this->db->lasterror();
			dol_syslog(__METHOD__.' '.implode(',', $this->errors), LOG_ERR);

			return -1;
		}
	}

	/**
	 * Load object in memory from the database
	 *
	 * @param string $sortorder Sort Order
	 * @param string $sortfield Sort field
	 * @param int    $limit     offset limit
	 * @param int    $offset    offset limit
	 * @param array  $filter    filter array
	 * @param string $filtermode filter mode (AND or OR)
	 *
	 * @return int <0 if KO, >0 if OK
	 */
	public function fetchAll($sortorder = '', $sortfield = '', $limit = 0, $offset = 0, array $filter = array(), $filtermode = 'AND')
	{
		dol_syslog(__METHOD__, LOG_DEBUG);

		$sql = 'SELECT';
		$sql .= ' t.rowid,';
		$sql .= " t.label,";
		$sql .= " t.share,";
		$sql .= " t.entity,";
		$sql .= " t.filename,";
		$sql .= " t.filepath,";
		$sql .= " t.fullpath_orig,";
		$sql .= " t.description,";
		$sql .= " t.keywords,";
		$sql .= " t.cover,";
		$sql .= " t.position,";
		$sql .= " t.gen_or_uploaded,";
		$sql .= " t.extraparams,";
		$sql .= " t.date_c,";
		$sql .= " t.tms as date_m,";
		$sql .= " t.fk_user_c,";
		$sql .= " t.fk_user_m,";
		$sql .= " t.acl,";
		$sql .= " t.src_object_type,";
		$sql .= " t.src_object_id";
		$sql .= ' FROM '.MAIN_DB_PREFIX.$this->table_element.' as t';

		// Manage filter
		$sqlwhere = array();
		if (count($filter) > 0) {
			foreach ($filter as $key => $value) {
				if ($key == 't.src_object_id') {
					$sqlwhere[] = $key." = ".((int) $value);
				} else {
					$sqlwhere[] = $key." LIKE '%".$this->db->escape($value)."%'";
				}
			}
		}
		$sql .= ' WHERE 1 = 1';
		/* Fetching this table depends on filepath+filename, it must not depends on entity
		 if (isModEnabled('multicompany')) {
		 $sql .= " AND entity IN (" . getEntity('ecmfiles') . ")";
		 }*/
		if (count($sqlwhere) > 0) {
			$sql .= ' AND '.implode(' '.$this->db->escape($filtermode).' ', $sqlwhere);
		}
		if (!empty($sortfield)) {
			$sql .= $this->db->order($sortfield, $sortorder);
		}
		if (!empty($limit)) {
			$sql .= $this->db->plimit($limit, $offset);
		}

		$this->lines = array();

		$resql = $this->db->query($sql);
		if ($resql) {
			$num = $this->db->num_rows($resql);

			while ($obj = $this->db->fetch_object($resql)) {
				$line = new EcmFilesLine();

				$line->id = $obj->rowid;
				$line->ref = $obj->rowid;
				$line->label = $obj->label;
				$line->share = $obj->share;
				$line->entity = $obj->entity;
				$line->filename = $obj->filename;
				$line->filepath = $obj->filepath;
				$line->fullpath_orig = $obj->fullpath_orig;
				$line->description = $obj->description;
				$line->keywords = $obj->keywords;
				$line->cover = $obj->cover;
				$line->position = $obj->position;
				$line->gen_or_uploaded = $obj->gen_or_uploaded;
				$line->extraparams = $obj->extraparams;
				$line->date_c = $this->db->jdate($obj->date_c);
				$line->date_m = $this->db->jdate($obj->date_m);
				$line->fk_user_c = $obj->fk_user_c;
				$line->fk_user_m = $obj->fk_user_m;
				$line->acl = $obj->acl;
				$line->src_object_type = $obj->src_object_type;
				$line->src_object_id = $obj->src_object_id;
				$this->lines[] = $line;
			}
			$this->db->free($resql);

			return $num;
		} else {
			$this->errors[] = 'Error '.$this->db->lasterror();
			dol_syslog(__METHOD__.' '.implode(',', $this->errors), LOG_ERR);

			return -1;
		}
	}

	/**
	 * Update object into database
	 *
	 * @param  User $user      User that modifies
	 * @param  bool $notrigger false=launch triggers after, true=disable triggers
	 *
	 * @return int <0 if KO, >0 if OK
	 */
	public function update(User $user, $notrigger = false)
	{
		global $conf;

		$error = 0;

		dol_syslog(__METHOD__, LOG_DEBUG);

		// Clean parameters

		if (isset($this->ref)) {
			$this->ref = trim($this->ref);
		}
		if (isset($this->label)) {
			$this->label = trim($this->label);
		}
		if (isset($this->share)) {
			$this->share = trim($this->share);
		}
		if (isset($this->entity)) {
			$this->entity = trim($this->entity);
		}
		if (isset($this->filename)) {
			$this->filename = preg_replace('/\.noexe$/', '', trim($this->filename));
		}
		if (isset($this->filepath)) {
			$this->filepath = trim($this->filepath);
			$this->filepath = preg_replace('/[\\/]+$/', '', $this->filepath); // Remove last /
		}
		if (isset($this->fullpath_orig)) {
			$this->fullpath_orig = trim($this->fullpath_orig);
		}
		if (isset($this->description)) {
			$this->description = trim($this->description);
		}
		if (isset($this->keywords)) {
			$this->keywords = trim($this->keywords);
		}
		if (isset($this->cover)) {
			$this->cover = trim($this->cover);
		}
		if (isset($this->gen_or_uploaded)) {
			$this->gen_or_uploaded = trim($this->gen_or_uploaded);
		}
		if (isset($this->extraparams)) {
			$this->extraparams = trim($this->extraparams);
		}
		if (isset($this->fk_user_m)) {
			$this->fk_user_m = trim($this->fk_user_m);
		}
		if (isset($this->acl)) {
			$this->acl = trim($this->acl);
		}
		if (isset($this->src_object_type)) {
			$this->src_object_type = trim($this->src_object_type);
		}

		// Check parameters
		// Put here code to add a control on parameters values

		// Update request
		$sql = 'UPDATE '.MAIN_DB_PREFIX.$this->table_element.' SET';
		$sql .= " ref = '".$this->db->escape(dol_hash($this->filepath."/".$this->filename, 3))."',";
		$sql .= ' label = '.(isset($this->label) ? "'".$this->db->escape($this->label)."'" : "null").',';
		$sql .= ' share = '.(!empty($this->share) ? "'".$this->db->escape($this->share)."'" : "null").',';
		$sql .= ' entity = '.(isset($this->entity) ? $this->entity : $conf->entity).',';
		$sql .= ' filename = '.(isset($this->filename) ? "'".$this->db->escape($this->filename)."'" : "null").',';
		$sql .= ' filepath = '.(isset($this->filepath) ? "'".$this->db->escape($this->filepath)."'" : "null").',';
		$sql .= ' fullpath_orig = '.(isset($this->fullpath_orig) ? "'".$this->db->escape($this->fullpath_orig)."'" : "null").',';
		$sql .= ' description = '.(isset($this->description) ? "'".$this->db->escape($this->description)."'" : "null").',';
		$sql .= ' keywords = '.(isset($this->keywords) ? "'".$this->db->escape($this->keywords)."'" : "null").',';
		$sql .= ' cover = '.(isset($this->cover) ? "'".$this->db->escape($this->cover)."'" : "null").',';
		$sql .= ' position = '.(isset($this->position) ? $this->db->escape($this->position) : "0").',';
		$sql .= ' gen_or_uploaded = '.(isset($this->gen_or_uploaded) ? "'".$this->db->escape($this->gen_or_uploaded)."'" : "null").',';
		$sql .= ' extraparams = '.(isset($this->extraparams) ? "'".$this->db->escape($this->extraparams)."'" : "null").',';
		$sql .= ' date_c = '.(!isset($this->date_c) || dol_strlen($this->date_c) != 0 ? "'".$this->db->idate($this->date_c)."'" : 'null').',';
		//$sql .= ' tms = '.(! isset($this->date_m) || dol_strlen($this->date_m) != 0 ? "'".$this->db->idate($this->date_m)."'" : 'null').','; // Field automatically updated
		$sql .= ' fk_user_m = '.($this->fk_user_m > 0 ? $this->fk_user_m : $user->id).',';
		$sql .= ' acl = '.(isset($this->acl) ? "'".$this->db->escape($this->acl)."'" : "null").',';
		$sql .= ' src_object_id = '.($this->src_object_id > 0 ? $this->src_object_id : "null").',';
		$sql .= ' src_object_type = '.(isset($this->src_object_type) ? "'".$this->db->escape($this->src_object_type)."'" : "null");
		$sql .= ' WHERE rowid='.((int) $this->id);

		$this->db->begin();

		$resql = $this->db->query($sql);
		if (!$resql) {
			$error++;
			$this->errors[] = 'Error '.$this->db->lasterror();
			dol_syslog(__METHOD__.' '.implode(',', $this->errors), LOG_ERR);
		}

		// Triggers
		if (!$error && !$notrigger) {
			// Call triggers
			$result = $this->call_trigger(strtoupper(get_class($this)).'_MODIFY', $user);
			if ($result < 0) {
				$error++;
			} //Do also here what you must do to rollback action if trigger fail
			// End call triggers
		}

		// Commit or rollback
		if ($error) {
			$this->db->rollback();

			return -1 * $error;
		} else {
			$this->db->commit();

			return 1;
		}
	}

	/**
	 * Delete object in database
	 *
	 * @param User $user      User that deletes
	 * @param bool $notrigger false=launch triggers after, true=disable triggers
	 *
	 * @return int <0 if KO, >0 if OK
	 */
	public function delete(User $user, $notrigger = false)
	{
		dol_syslog(__METHOD__, LOG_DEBUG);

		$error = 0;

		$this->db->begin();

		// Triggers
		if (!$notrigger) {
			// Call triggers
			$result = $this->call_trigger(strtoupper(get_class($this)).'_DELETE', $user);
			if ($result < 0) {
				$error++;
			} //Do also here what you must do to rollback action if trigger fail
			// End call triggers
		}

		// If you need to delete child tables to, you can insert them here
		if (!$error) {
			$result = $this->deleteExtraFields();
			if (!$result) {
				dol_syslog(get_class($this)."::delete error ".$this->error, LOG_ERR);
				$error++;
			}
		}
		if (!$error) {
			$sql = 'DELETE FROM '.MAIN_DB_PREFIX.$this->table_element;
			$sql .= ' WHERE rowid='.((int) $this->id);

			$resql = $this->db->query($sql);
			if (!$resql) {
				$error++;
				$this->errors[] = 'Error '.$this->db->lasterror();
				dol_syslog(__METHOD__.' '.implode(',', $this->errors), LOG_ERR);
			}
		}

		// Commit or rollback
		if ($error) {
			$this->db->rollback();

			return -1 * $error;
		} else {
			$this->db->commit();

			return 1;
		}
	}

	/**
	 * Load an object from its id and create a new one in database
	 *
	 * @param	User	$user		User making the clone
	 * @param   int     $fromid     Id of object to clone
	 * @return  int                 New id of clone
	 */
	public function createFromClone(User $user, $fromid)
	{
		dol_syslog(__METHOD__, LOG_DEBUG);

		$error = 0;
		$object = new EcmFiles($this->db);

		$this->db->begin();

		// Load source object
		$object->fetch($fromid);
		// Reset object
		$object->id = 0;

		// Clear fields
		// ...

		// Create clone
		$object->context['createfromclone'] = 'createfromclone';
		$result = $object->create($user);

		// Other options
		if ($result < 0) {
			$error++;
			$this->errors = $object->errors;
			dol_syslog(__METHOD__.' '.implode(',', $this->errors), LOG_ERR);
		}

		unset($object->context['createfromclone']);

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

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

			return -1;
		}
	}

	/**
	 *  Return a link to the object card (with optionaly the picto)
	 *
	 *	@param	int		$withpicto			Include picto in link (0=No picto, 1=Include picto into link, 2=Only picto)
	 *	@param	string	$option				On what the link point to
	 *  @param	int  	$notooltip			1=Disable tooltip
	 *  @param	int		$maxlen				Max length of visible user name
	 *  @param  string  $morecss            Add more css on link
	 *	@return	string						String with URL
	 */
	public function getNomUrl($withpicto = 0, $option = '', $notooltip = 0, $maxlen = 24, $morecss = '')
	{
		global $db, $conf, $langs;
		global $dolibarr_main_authentication, $dolibarr_main_demo;
		global $menumanager, $hookmanager;

		if (!empty($conf->dol_no_mouse_hover)) {
			$notooltip = 1; // Force disable tooltips
		}

		$result = '';

		$label = '<u>'.$langs->trans("MyModule").'</u>';
		$label .= '<br>';
		$label .= '<b>'.$langs->trans('Ref').':</b> '.$this->ref;

		$url = DOL_URL_ROOT.'/ecm/'.$this->table_name.'_card.php?id='.$this->id;

		$linkclose = '';
		if (empty($notooltip)) {
			if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
				$label = $langs->trans("ShowProject");
				$linkclose .= ' alt="'.dol_escape_htmltag($label, 1).'"';
			}
			$linkclose .= ' title="'.dol_escape_htmltag($label, 1).'"';
			$linkclose .= ' class="classfortooltip'.($morecss ? ' '.$morecss : '').'"';
		} else {
			$linkclose = ($morecss ? ' class="'.$morecss.'"' : '');
		}

		$linkstart = '<a href="'.$url.'"';
		$linkstart .= $linkclose.'>';
		$linkend = '</a>';

		if ($withpicto) {
			$result .= ($linkstart.img_object(($notooltip ? '' : $label), 'label', ($notooltip ? '' : 'class="classfortooltip"')).$linkend);
			if ($withpicto != 2) {
				$result .= ' ';
			}
		}
		$result .= $linkstart.$this->ref.$linkend;

		global $action;
		$hookmanager->initHooks(array($this->element . 'dao'));
		$parameters = array('id'=>$this->id, 'getnomurl' => &$result);
		$reshook = $hookmanager->executeHooks('getNomUrl', $parameters, $this, $action); // Note that $action and $object may have been modified by some hooks
		if ($reshook > 0) {
			$result = $hookmanager->resPrint;
		} else {
			$result .= $hookmanager->resPrint;
		}
		return $result;
	}

	/**
	 *  Return the label of the status
	 *
	 *  @param  int		$mode          0=long label, 1=short label, 2=Picto + short label, 3=Picto, 4=Picto + long label, 5=Short label + Picto, 6=Long label + Picto
	 *  @return	string 			       Label of status
	 */
	public function getLibStatut($mode = 0)
	{
		return $this->LibStatut($this->status, $mode);
	}

	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
	/**
	 *  Return the status
	 *
	 *  @param	int		$status        	Id status
	 *  @param  int		$mode          	0=long label, 1=short label, 2=Picto + short label, 3=Picto, 4=Picto + long label, 5=Short label + Picto, 5=Long label + Picto
	 *  @return string 			       	Label of status
	 */
	public static function LibStatut($status, $mode = 0)
	{
		// phpcs:enable
		global $langs;
		return '';
	}


	/**
	 * Initialise object with example values
	 * Id must be 0 if object instance is a specimen
	 *
	 * @return void
	 */
	public function initAsSpecimen()
	{
		global $conf, $user;

		$this->id = 0;
		$this->specimen = 1;
		$this->label = '0a1b2c3e4f59999999';
		$this->entity = 1;
		$this->filename = 'myspecimenfilefile.pdf';
		$this->filepath = '/aaa/bbb';
		$this->fullpath_orig = 'c:/file on my disk.pdf';
		$this->description = 'This is a long description of file';
		$this->keywords = 'key1,key2';
		$this->cover = '1';
		$this->position = 5;
		$this->gen_or_uploaded = 'uploaded';
		$this->extraparams = '';
		$this->date_c = (dol_now() - 3600 * 24 * 10);
		$this->date_m = '';
		$this->fk_user_c = $user->id;
		$this->fk_user_m = '';
		$this->acl = '';
		$this->src_object_type = 'product';
		$this->src_object_id = 1;
	}
}


/**
 * Class of an index line of a document
 */
class EcmFilesLine
{
	/**
	 * @var string ECM files line label
	 */
	public $label;

	/**
	 * @var int Entity
	 */
	public $entity;

	public $filename;
	public $filepath;
	public $fullpath_orig;

	/**
	 * @var string description
	 */
	public $description;

	public $keywords;
	public $cover;
	public $position;
	public $gen_or_uploaded; // can be 'generated', 'uploaded', 'unknown'
	public $extraparams;
	public $date_c = '';
	public $date_m = '';

	/**
	 * @var int ID
	 */
	public $fk_user_c;

	/**
	 * @var int ID
	 */
	public $fk_user_m;

	public $acl;
	public $src_object_type;
	public $src_object_id;
}
