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<?php
/**
 * Notify-send report for PHP_CodeSniffer.
 *
 * Supported configuration parameters:
 * - notifysend_path    - Full path to notify-send cli command
 * - notifysend_timeout - Timeout in milliseconds
 * - notifysend_showok  - Show "ok, all fine" messages (0/1)
 *
 * @author    Christian Weiske <christian.weiske@netresearch.de>
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2012-2014 Christian Weiske
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Reports;

use PHP_CodeSniffer\Config;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Util\Common;

class Notifysend implements Report
{

/**
     * Notification timeout in milliseconds.
     *
     * @var integer
     */
    protected $timeout = 3000;

/**
     * Path to notify-send command.
     *
     * @var string
     */
    protected $path = 'notify-send';

/**
     * Show "ok, all fine" messages.
     *
     * @var boolean
     */
    protected $showOk = true;

/**
     * Version of installed notify-send executable.
     *
     * @var string
     */
    protected $version = null;

/**
     * Load configuration data.
     */
    public function __construct()
    {
        $path = Config::getExecutablePath('notifysend');
        if ($path !== null) {
            $this->path = Common::escapeshellcmd($path);
        }

$timeout = Config::getConfigData('notifysend_timeout');
        if ($timeout !== null) {
            $this->timeout = (int) $timeout;
        }

$showOk = Config::getConfigData('notifysend_showok');
        if ($showOk !== null) {
            $this->showOk = (bool) $showOk;
        }

$this->version = str_replace(
            'notify-send ',
            '',
            exec($this->path.' --version')
        );

}//end __construct()

/**
     * Generate a partial report for a single processed file.
     *
     * Function should return TRUE if it printed or stored data about the file
     * and FALSE if it ignored the file. Returning TRUE indicates that the file and
     * its data should be counted in the grand totals.
     *
     * @param array<string, string|int|array> $report      Prepared report data.
     *                                                     See the {@see Report} interface for a detailed specification.
     * @param \PHP_CodeSniffer\Files\File     $phpcsFile   The file being reported on.
     * @param bool                            $showSources Show sources?
     * @param int                             $width       Maximum allowed line width.
     *
     * @return bool
     */
    public function generateFileReport($report, File $phpcsFile, $showSources=false, $width=80)
    {
        echo $report['filename'].PHP_EOL;

// We want this file counted in the total number
        // of checked files even if it has no errors.
        return true;

}//end generateFileReport()

/**
     * Generates a summary of errors and warnings for each file processed.
     *
     * @param string $cachedData    Any partial report data that was returned from
     *                              generateFileReport during the run.
     * @param int    $totalFiles    Total number of files processed during the run.
     * @param int    $totalErrors   Total number of errors found during the run.
     * @param int    $totalWarnings Total number of warnings found during the run.
     * @param int    $totalFixable  Total number of problems that can be fixed.
     * @param bool   $showSources   Show sources?
     * @param int    $width         Maximum allowed line width.
     * @param bool   $interactive   Are we running in interactive mode?
     * @param bool   $toScreen      Is the report being printed to screen?
     *
     * @return void
     */
    public function generate(
        $cachedData,
        $totalFiles,
        $totalErrors,
        $totalWarnings,
        $totalFixable,
        $showSources=false,
        $width=80,
        $interactive=false,
        $toScreen=true
    ) {
        $checkedFiles = explode(PHP_EOL, trim($cachedData));

$msg = $this->generateMessage($checkedFiles, $totalErrors, $totalWarnings);
        if ($msg === null) {
            if ($this->showOk === true) {
                $this->notifyAllFine();
            }
        } else {
            $this->notifyErrors($msg);
        }

}//end generate()

/**
     * Generate the error message to show to the user.
     *
     * @param string[] $checkedFiles  The files checked during the run.
     * @param int      $totalErrors   Total number of errors found during the run.
     * @param int      $totalWarnings Total number of warnings found during the run.
     *
     * @return string|null Error message or NULL if no error/warning found.
     */
    protected function generateMessage($checkedFiles, $totalErrors, $totalWarnings)
    {
        if ($totalErrors === 0 && $totalWarnings === 0) {
            // Nothing to print.
            return null;
        }

$totalFiles = count($checkedFiles);

$msg = '';
        if ($totalFiles > 1) {
            $msg .= 'Checked '.$totalFiles.' files'.PHP_EOL;
        } else {
            $msg .= $checkedFiles[0].PHP_EOL;
        }

if ($totalWarnings > 0) {
            $msg .= $totalWarnings.' warnings'.PHP_EOL;
        }

if ($totalErrors > 0) {
            $msg .= $totalErrors.' errors'.PHP_EOL;
        }

return $msg;

}//end generateMessage()

/**
     * Tell the user that all is fine and no error/warning has been found.
     *
     * @return void
     */
    protected function notifyAllFine()
    {
        $cmd  = $this->getBasicCommand();
        $cmd .= ' -i info';
        $cmd .= ' "PHP CodeSniffer: Ok"';
        $cmd .= ' "All fine"';
        exec($cmd);

}//end notifyAllFine()

/**
     * Tell the user that errors/warnings have been found.
     *
     * @param string $msg Message to display.
     *
     * @return void
     */
    protected function notifyErrors($msg)
    {
        $cmd  = $this->getBasicCommand();
        $cmd .= ' -i error';
        $cmd .= ' "PHP CodeSniffer: Error"';
        $cmd .= ' '.escapeshellarg(trim($msg));
        exec($cmd);

}//end notifyErrors()

/**
     * Generate and return the basic notify-send command string to execute.
     *
     * @return string Shell command with common parameters.
     */
    protected function getBasicCommand()
    {
        $cmd  = $this->path;
        $cmd .= ' --category dev.validate';
        $cmd .= ' -h int:transient:1';
        $cmd .= ' -t '.(int) $this->timeout;
        if (version_compare($this->version, '0.7.3', '>=') === true) {
            $cmd .= ' -a phpcs';
        }

return $cmd;

}//end getBasicCommand()

}//end class

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