<?php
/**
 * cliUpgrade.php
 *
 * ProcessMaker Open Source Edition
 * Copyright (C) 2011 Colosa Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
 * Coral Gables, FL, 33134, USA, or email info@colosa.com.
 *
 * @author Alexandre Rosenfeld <alexandre@colosa.com>
 * @package workflow-engine-bin-tasks
 */

G::LoadClass("system");
G::LoadClass("wsTools");

CLI::taskName('upgrade');
CLI::taskDescription(<<<EOT
    Upgrade workspaces.

    This command should be run after ProcessMaker files are upgraded so that all
    workspaces are upgraded to the current version.
EOT
);
CLI::taskOpt("buildACV", "If the option is enabled, performs the Build Cache View.", "ACV", "buildACV");
CLI::taskRun("run_upgrade");

/**
 * A version of rm_dir which does not exits on error.
 *
 * @param  string $filename directory or file to remove
 * @param  bool $filesOnly either to remove the containing directory as well or not
 */
function rm_dir($filename, $filesOnly = false)
{
    if (is_file($filename)) {
        @unlink($filename) or CLI::logging(CLI::error("Could not remove file $filename")."\n");
    } else {
        foreach (glob("$filename/*") as $f) {
            rm_dir($f);
        }
        if (!$filesOnly) {
            @rmdir($filename) or CLI::logging(CLI::error("Could not remove directory $filename")."\n");
        }
    }
}

function run_upgrade($command, $args)
{
    CLI::logging("UPGRADE", PROCESSMAKER_PATH . "upgrade.log");
    CLI::logging("Checking files integrity...\n");
    //setting flag to true to check into sysGeneric.php
    $flag = G::isPMUnderUpdating(1);
    //start to upgrade
    $checksum = System::verifyChecksum();
    if ($checksum === false) {
        CLI::logging(CLI::error("checksum.txt not found, integrity check is not possible") . "\n");
        if (!CLI::question("Integrity check failed, do you want to continue the upgrade?")) {
            CLI::logging("Upgrade failed\n");
            $flag = G::isPMUnderUpdating(0);
            die();
        }
    } else {
        if (!empty($checksum['missing'])) {
            CLI::logging(CLI::error("The following files were not found in the installation:")."\n");
            foreach ($checksum['missing'] as $missing) {
                CLI::logging(" $missing\n");
            }
        }
        if (!empty($checksum['diff'])) {
            CLI::logging(CLI::error("The following files have modifications:")."\n");
            foreach ($checksum['diff'] as $diff) {
                CLI::logging(" $diff\n");
            }
        }
        if (!(empty($checksum['missing']) || empty($checksum['diff']))) {
            if (!CLI::question("Integrity check failed, do you want to continue the upgrade?")) {
                CLI::logging("Upgrade failed\n");
                $flag = G::isPMUnderUpdating(0);
                die();
            }
        }
    }
    CLI::logging("Clearing cache...\n");
    if (defined('PATH_C')) {
        G::rm_dir(PATH_C);
        G::mk_dir(PATH_C, 0777);
    }
    $workspaces = get_workspaces_from_args($command);
    $count = count($workspaces);
    $first = true;
    $errors = false;
    $countWorkspace = 0;
    $buildCacheView = array_key_exists("buildACV", $args);
    foreach ($workspaces as $index => $workspace) {
        try {
            $countWorkspace++;
            CLI::logging("Upgrading workspaces ($countWorkspace/$count): " . CLI::info($workspace->name) . "\n");
            $workspace->upgrade($first, $buildCacheView, $workspace->name);
            $workspace->close();
            $first = false;
        } catch (Exception $e) {
            CLI::logging("Errors upgrading workspace " . CLI::info($workspace->name) . ": " . CLI::error($e->getMessage()) . "\n");
            $errors = true;
        }
    }

    // SAVE Upgrades/Patches
    $arrayPatch = glob(PATH_TRUNK . 'patch-*');

    if ($arrayPatch) {
        foreach ($arrayPatch as $value) {
            if (file_exists($value)) {
                // copy content the patch
                $names = pathinfo($value);
                $nameFile = $names['basename'];

                $contentFile = file_get_contents($value);
                $contentFile = preg_replace("[\n|\r|\n\r]", '', $contentFile);
                CLI::logging($contentFile . ' installed (' . $nameFile . ')', PATH_DATA . 'log/upgrades.log');

                // move file of patch
                $newFile = PATH_DATA . $nameFile;
                G::rm_dir($newFile);
                copy($value, $newFile);
                G::rm_dir($value);
            }
        }
    } else {
        CLI::logging('ProcessMaker ' . System::getVersion(). ' installed', PATH_DATA . 'log/upgrades.log');
    }

    //Safe upgrade for JavaScript files
    CLI::logging("\nSafe upgrade for files cached by the browser\n\n");

    G::browserCacheFilesSetUid();

    upgradeFilesManager($command);
    //Status
    if ($errors) {
        CLI::logging("Upgrade finished but there were errors upgrading workspaces.\n");
        CLI::logging(CLI::error("Please check the log above to correct any issues.") . "\n");
    } else {
        CLI::logging("Upgrade successful\n");
    }

    //setting flag to false
    $flag = G::isPMUnderUpdating(0);
}

/**
 * Function upgradeFilesManager
 * access public
 */

function upgradeFilesManager($command = "") {
    CLI::logging("> Updating Files Manager...\n\n");
    $workspaces = get_workspaces_from_args($command);
    foreach ($workspaces as $workspace) {
        $name = $workspace->name;
        require_once( PATH_DB . $name . '/db.php' );
        require_once( PATH_THIRDPARTY . 'propel/Propel.php');
        PROPEL::Init ( PATH_METHODS.'dbConnections/rootDbConnections.php' );
        $con = Propel::getConnection("root");
        $stmt = $con->createStatement();
        $sDirectory = glob(PATH_DATA . "sites/" . $name . "/" . "mailTemplates/*");
        $sDirectoryPublic = glob(PATH_DATA . "sites/" . $name . "/" . "public/*");
        $files = array();
        foreach($sDirectory as $valor) {
            if (is_dir($valor)) {
                $inner_files =  listFiles($valor);
                if (is_array($inner_files)) $files = array_merge($files, $inner_files);
            }
            if (is_file($valor)) {
                array_push($files, $valor);
            }
        }
        foreach($sDirectoryPublic as $valor) {
            if (is_dir($valor)) {
                $inner_files =  listFiles($valor);
                if (is_array($inner_files)) $files = array_merge($files, $inner_files);
            }
            if (is_file($valor)) {
                array_push($files, $valor);
            }
        }
    }
    $sDir = PATH_DATA . "sites/" . $name . "/" . "mailTemplates/";
    $sDirPublic = PATH_DATA . "sites/" . $name . "/" . "public/";
    foreach ($files as $aFile) {
        if (strpos($aFile, $sDir) !== false){
            $processUid = current(explode("/", str_replace($sDir,'',$aFile)));
        } else {
            $processUid = current(explode("/", str_replace($sDirPublic,'',$aFile)));
        }
        $sql = "SELECT PROCESS_FILES.PRF_PATH FROM PROCESS_FILES WHERE PROCESS_FILES.PRF_PATH='" . $aFile ."'";
        $appRows = $stmt->executeQuery($sql, ResultSet::FETCHMODE_ASSOC);
        $fileUid = '';
        foreach ($appRows as $row) {
            $fileUid =  $row["PRF_PATH"];
        }
        if ($fileUid !== $aFile) {
            $sPkProcessFiles = G::generateUniqueID();
            $sDate = date('Y-m-d H:i:s');
            $sql = "INSERT INTO PROCESS_FILES (PRF_UID, PRO_UID, USR_UID, PRF_UPDATE_USR_UID,
                       PRF_PATH, PRF_TYPE, PRF_EDITABLE, PRF_CREATE_DATE, PRF_UPDATE_DATE)
                       VALUES ('".$sPkProcessFiles."', '".$processUid."', '00000000000000000000000000000001', '',
                       '".$aFile."', 'file', 'true', '".$sDate."', NULL)";
            $stmt->executeQuery($sql, ResultSet::FETCHMODE_ASSOC);
        }
    }
}

function listFiles($dir) {
    $files = array();
    $lista = glob($dir.'/*');
    foreach($lista as $valor) {
        if (is_dir($valor)) {
            $inner_files =  listFiles($valor);
            if (is_array($inner_files)) $files = array_merge($files, $inner_files);
        }
        if (is_file($valor)) {
            array_push($files, $valor);
        }
    }
    return $files;
}