<?php
/* Copyright (C) 2008-2017 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2008-2010 Regis Houssin        <regis.houssin@inodbox.com>
 *
 * 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/>.
 *
 * You can call this page with param module=medias to get a filemanager for medias.
 */

/**
 *	\file       htdocs/ecm/index.php
 *	\ingroup    ecm
 *	\brief      Main page for ECM section area
 */

// Load Dolibarr environment
require '../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/ecm.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/treeview.lib.php';
require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';

// Load translation files required by the page
$langs->loadLangs(array('ecm', 'companies', 'other', 'users', 'orders', 'propal', 'bills', 'contracts'));

// Get parameters
$socid = GETPOST('socid', 'int');
$action = GETPOST('action', 'aZ09');
$section = GETPOST('section', 'int') ?GETPOST('section', 'int') : GETPOST('section_id', 'int');
if (!$section) {
	$section = 0;
}
$section_dir = GETPOST('section_dir', 'alpha');
$overwritefile = GETPOST('overwritefile', 'int');

$limit = GETPOST('limit', 'int') ? GETPOST('limit', 'int') : $conf->liste_limit;
$sortfield = GETPOST('sortfield', 'aZ09comma');
$sortorder = GETPOST('sortorder', 'aZ09comma');
$page = GETPOSTISSET('pageplusone') ? (GETPOST('pageplusone') - 1) : GETPOST("page", 'int');
if (empty($page) || $page == -1) {
	$page = 0;
}     // If $page is not defined, or '' or -1
$offset = $limit * $page;
$pageprev = $page - 1;
$pagenext = $page + 1;
if (!$sortorder) {
	$sortorder = "ASC";
}
if (!$sortfield) {
	$sortfield = "name";
}

$ecmdir = new EcmDirectory($db);
if ($section > 0) {
	$result = $ecmdir->fetch($section);
	if (!($result > 0)) {
		dol_print_error($db, $ecmdir->error);
		exit;
	}
}

$form = new Form($db);
$ecmdirstatic = new EcmDirectory($db);
$userstatic = new User($db);

$error = 0;

// Security check
if ($user->socid) {
	$socid = $user->socid;
}
$result = restrictedArea($user, 'ecm', 0);

$permissiontoread = $user->hasRight('ecm', 'read');
$permissiontocreate = $user->hasRight('ecm', 'upload');
$permissiontocreatedir = $user->hasRight('ecm', 'setup');
$permissiontodelete = $user->hasRight('ecm', 'upload');
$permissiontodeletedir = $user->hasRight('ecm', 'setup');

// Initialize technical object to manage hooks of page. Note that conf->hooks_modules contains array of hook context
$hookmanager->initHooks(array('ecmindexcard', 'globalcard'));

/*
 *	Actions
 */

// TODO Replace sendit and confirm_deletefile with
//$backtopage=$_SERVER["PHP_SELF"].'?file_manager=1&website='.$websitekey.'&pageid='.$pageid;	// used after a confirm_deletefile into actions_linkedfiles.inc.php
//include DOL_DOCUMENT_ROOT.'/core/actions_linkedfiles.inc.php';

// Upload file (code similar but different than actions_linkedfiles.inc.php)
if (GETPOST("sendit", 'alphanohtml') && !empty($conf->global->MAIN_UPLOAD_DOC) && $permissiontocreate) {
	// Define relativepath and upload_dir
	$relativepath = '';
	if ($ecmdir->id) {
		$relativepath = $ecmdir->getRelativePath();
	} else {
		$relativepath = $section_dir;
	}
	$upload_dir = $conf->ecm->dir_output.'/'.$relativepath;

	$userfiles = [];
	if (is_array($_FILES['userfile'])) {
		if (is_array($_FILES['userfile']['tmp_name'])) {
			$userfiles = $_FILES['userfile']['tmp_name'];
		} else {
			$userfiles = array($_FILES['userfile']['tmp_name']);
		}
	}

	foreach ($userfiles as $key => $userfile) {
		if (empty($_FILES['userfile']['tmp_name'][$key])) {
			$error++;
			if ($_FILES['userfile']['error'][$key] == 1 || $_FILES['userfile']['error'][$key] == 2) {
				setEventMessages($langs->trans('ErrorFileSizeTooLarge'), null, 'errors');
			} else {
				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("File")), null, 'errors');
			}
		}
	}

	if (!$error) {
		$generatethumbs = 0;
		$res = dol_add_file_process($upload_dir, $overwritefile, 1, 'userfile', '', null, '', $generatethumbs);
		if ($res > 0) {
			$result = $ecmdir->changeNbOfFiles('+');
		}
	}
}

// Remove file (code similar but different than actions_linkedfiles.inc.php)
if ($action == 'confirm_deletefile' && $permissiontodelete) {
	if (GETPOST('confirm') == 'yes') {
		// GETPOST('urlfile','alpha') is full relative URL from ecm root dir. Contains path of all sections.

		$upload_dir = $conf->ecm->dir_output.($relativepath ? '/'.$relativepath : '');
		$file = $upload_dir."/".GETPOST('urlfile', 'alpha');
		$ret = dol_delete_file($file); // This include also the delete from file index in database.
		if ($ret) {
			$urlfiletoshow = GETPOST('urlfile', 'alpha');
			$urlfiletoshow = preg_replace('/\.noexe$/', '', $urlfiletoshow);
			setEventMessages($langs->trans("FileWasRemoved", $urlfiletoshow), null, 'mesgs');
			$result = $ecmdir->changeNbOfFiles('-');
		} else {
			setEventMessages($langs->trans("ErrorFailToDeleteFile", GETPOST('urlfile', 'alpha')), null, 'errors');
		}

		clearstatcache();
	}
	$action = 'file_manager';
}

// Add directory
if ($action == 'add' && $permissiontocreatedir) {
	$ecmdir->ref                = 'NOTUSEDYET';
	$ecmdir->label              = GETPOST("label");
	$ecmdir->description        = GETPOST("desc");

	$id = $ecmdir->create($user);
	if ($id > 0) {
		header("Location: ".$_SERVER["PHP_SELF"]);
		exit;
	} else {
		setEventMessages('Error '.$langs->trans($ecmdir->error), null, 'errors');
		$action = "create";
	}

	clearstatcache();
}

// Remove directory
if ($action == 'confirm_deletesection' && GETPOST('confirm', 'alpha') == 'yes' && $permissiontodeletedir) {
	$result = $ecmdir->delete($user);
	setEventMessages($langs->trans("ECMSectionWasRemoved", $ecmdir->label), null, 'mesgs');

	clearstatcache();
}

// Refresh directory view
// This refresh list of dirs, not list of files (for preformance reason). List of files is refresh only if dir was not synchronized.
// To refresh content of dir with cache, just open the dir in edit mode.
if ($action == 'refreshmanual' && $permissiontoread) {
	$ecmdirtmp = new EcmDirectory($db);

	// This part of code is same than into file ecm/ajax/ecmdatabase.php TODO Remove duplicate
	clearstatcache();

	$diroutputslash = str_replace('\\', '/', $conf->ecm->dir_output);
	$diroutputslash .= '/';

	// Scan directory tree on disk
	$disktree = dol_dir_list($conf->ecm->dir_output, 'directories', 1, '', '^temp$', '', '', 0);

	// Scan directory tree in database
	$sqltree = $ecmdirstatic->get_full_arbo(0);

	$adirwascreated = 0;

	// Now we compare both trees to complete missing trees into database
	//var_dump($disktree);
	//var_dump($sqltree);
	foreach ($disktree as $dirdesc) {    // Loop on tree onto disk
		$dirisindatabase = 0;
		foreach ($sqltree as $dirsqldesc) {
			if ($conf->ecm->dir_output.'/'.$dirsqldesc['fullrelativename'] == $dirdesc['fullname']) {
				$dirisindatabase = 1;
				break;
			}
		}

		if (!$dirisindatabase) {
			$txt = "Directory found on disk ".$dirdesc['fullname'].", not found into database so we add it";
			dol_syslog($txt);
			//print $txt."<br>\n";

			// We must first find the fk_parent of directory to create $dirdesc['fullname']
			$fk_parent = -1;
			$relativepathmissing = str_replace($diroutputslash, '', $dirdesc['fullname']);
			$relativepathtosearchparent = $relativepathmissing;
			//dol_syslog("Try to find parent id for directory ".$relativepathtosearchparent);
			if (preg_match('/\//', $relativepathtosearchparent)) {
				//while (preg_match('/\//',$relativepathtosearchparent))
				$relativepathtosearchparent = preg_replace('/\/[^\/]*$/', '', $relativepathtosearchparent);
				$txt = "Is relative parent path ".$relativepathtosearchparent." for ".$relativepathmissing." found in sql tree ?";
				dol_syslog($txt);
				//print $txt." -> ";
				$parentdirisindatabase = 0;
				foreach ($sqltree as $dirsqldesc) {
					if ($dirsqldesc['fullrelativename'] == $relativepathtosearchparent) {
						$parentdirisindatabase = $dirsqldesc['id'];
						break;
					}
				}
				if ($parentdirisindatabase > 0) {
					dol_syslog("Yes with id ".$parentdirisindatabase);
					//print "Yes with id ".$parentdirisindatabase."<br>\n";
					$fk_parent = $parentdirisindatabase;
					//break;  // We found parent, we can stop the while loop
				} else {
					dol_syslog("No");
					//print "No<br>\n";
				}
			} else {
				dol_syslog("Parent is root");
				$fk_parent = 0; // Parent is root
			}

			if ($fk_parent >= 0) {
				$ecmdirtmp->ref                = 'NOTUSEDYET';
				$ecmdirtmp->label              = dol_basename($dirdesc['fullname']);
				$ecmdirtmp->description        = '';
				$ecmdirtmp->fk_parent          = $fk_parent;

				$txt = "We create directory ".$ecmdirtmp->label." with parent ".$fk_parent;
				dol_syslog($txt);
				//print $ecmdirtmp->cachenbofdoc."<br>\n";exit;
				$id = $ecmdirtmp->create($user);
				if ($id > 0) {
					$newdirsql = array('id'=>$id,
									 'id_mere'=>$ecmdirtmp->fk_parent,
									 'label'=>$ecmdirtmp->label,
									 'description'=>$ecmdirtmp->description,
									 'fullrelativename'=>$relativepathmissing);
					$sqltree[] = $newdirsql; // We complete fulltree for following loops
					//var_dump($sqltree);
					$adirwascreated = 1;
				} else {
					dol_syslog("Failed to create directory ".$ecmdirtmp->label, LOG_ERR);
				}
			} else {
				$txt = "Parent of ".$dirdesc['fullname']." not found";
				dol_syslog($txt);
				//print $txt."<br>\n";
			}
		}
	}

	// Loop now on each sql tree to check if dir exists
	foreach ($sqltree as $dirdesc) {    // Loop on each sqltree to check dir is on disk
		$dirtotest = $conf->ecm->dir_output.'/'.$dirdesc['fullrelativename'];
		if (!dol_is_dir($dirtotest)) {
			$ecmdirtmp->id = $dirdesc['id'];
			$ecmdirtmp->delete($user, 'databaseonly');
			//exit;
		}
	}

	$sql = "UPDATE ".MAIN_DB_PREFIX."ecm_directories set cachenbofdoc = -1 WHERE cachenbofdoc < 0"; // If pb into cache counting, we set to value -1 = "unknown"
	dol_syslog("sql = ".$sql);
	$db->query($sql);

	// If a directory was added, the fulltree array is not correctly completed and sorted, so we clean
	// it to be sure that fulltree array is not used without reloading it.
	if ($adirwascreated) {
		$sqltree = null;
	}
}



/*
 *	View
 */

// Define height of file area (depends on $_SESSION["dol_screenheight"])
//print $_SESSION["dol_screenheight"];
$maxheightwin = (isset($_SESSION["dol_screenheight"]) && $_SESSION["dol_screenheight"] > 466) ? ($_SESSION["dol_screenheight"] - 136) : 660; // Also into index_auto.php file

$moreheadcss = '';
$moreheadjs = '';

//$morejs=array();
$morejs = array('includes/jquery/plugins/blockUI/jquery.blockUI.js', 'core/js/blockUI.js'); // Used by ecm/tpl/enabledfiletreeajax.tpl.pgp
if (empty($conf->global->MAIN_ECM_DISABLE_JS)) {
	$morejs[] = "includes/jquery/plugins/jqueryFileTree/jqueryFileTree.js";
}

$moreheadjs .= '<script type="text/javascript">'."\n";
$moreheadjs .= 'var indicatorBlockUI = \''.DOL_URL_ROOT."/theme/".$conf->theme."/img/working.gif".'\';'."\n";
$moreheadjs .= '</script>'."\n";

llxHeader($moreheadcss.$moreheadjs, $langs->trans("ECMArea"), '', '', '', '', $morejs, '', 0, 0);

$head = ecm_prepare_dasboard_head(null);
print dol_get_fiche_head($head, 'index', '', -1, '');


// Add filemanager component
$module = 'ecm';
if (empty($url)) {
	$url = DOL_URL_ROOT.'/ecm/index.php'; // Must be an url without param
}
include DOL_DOCUMENT_ROOT.'/core/tpl/filemanager.tpl.php';

// End of page
print dol_get_fiche_end();

llxFooter();

$db->close();
