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177 lines
4.0 KiB
PHP
177 lines
4.0 KiB
PHP
<?php
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/**
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* ownCloud - Documents App
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*
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* @author Victor Dubiniuk
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* @copyright 2013 Victor Dubiniuk victor.dubiniuk@gmail.com
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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*/
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namespace OCA\Documents;
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class Helper {
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const APP_ID = 'documents';
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public static function getNewFileName($view, $path, $prepend = ' '){
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$fileNum = 1;
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while ($view->file_exists($path)){
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$fileNum += 1;
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$path = preg_replace('/(\.odt|' . $prepend . '\(\d+\)\.odt)$/', $prepend . '(' . $fileNum . ').odt', $path);
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};
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return $path;
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}
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public static function getArrayValueByKey($array, $key, $default=''){
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if (array_key_exists($key, $array)){
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return $array[$key];
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}
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return $default;
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}
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public static function isVersionsEnabled(){
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return \OCP\App::isEnabled('files_versions');
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}
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public static function getRandomColor(){
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$str = dechex(floor(rand(0, 16777215)));
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return '#' . str_pad($str, 6, "0", STR_PAD_LEFT);
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}
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public static function getMemberColor($name){
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$hash = md5($name);
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$maxRange = hexdec('ffffffffffffffffffffffffffffffff');
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$hue = hexdec($hash) / $maxRange * 256;
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return '#' . self::convertHSLToRGB($hue, 90, 60);
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}
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public static function debugLog($message){
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self::log($message, \OCP\Util::DEBUG);
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}
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public static function warnLog($message){
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self::log($message, \OCP\Util::WARN);
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}
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public static function errorLog($message){
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self::log($message, \OCP\Util::ERROR);
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}
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public static function log($message, $level){
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\OCP\Util::writeLog(self::APP_ID, $message, $level);
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}
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protected static function convertHSLToRGB($iH, $iS, $iV){
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if ($iH < 0){
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$iH = 0; // Hue:
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}
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if ($iH > 360){
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$iH = 360; // 0-360
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}
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if ($iS < 0){
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$iS = 0; // Saturation:
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}
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if ($iS > 100){
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$iS = 100; // 0-100
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}
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if ($iV < 0){
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$iV = 0; // Lightness:
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}
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if ($iV > 100){
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$iV = 100; // 0-100
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}
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$dS = $iS / 100.0; // Saturation: 0.0-1.0
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$dV = $iV / 100.0; // Lightness: 0.0-1.0
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$dC = $dV * $dS; // Chroma: 0.0-1.0
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$dH = $iH / 60.0; // H-Prime: 0.0-6.0
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$dT = $dH; // Temp variable
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while ($dT >= 2.0)
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$dT -= 2.0; // php modulus does not work with float
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$dX = $dC * (1 - abs($dT - 1)); // as used in the Wikipedia link
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switch ($dH){
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case($dH >= 0.0 && $dH < 1.0):
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$dR = $dC;
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$dG = $dX;
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$dB = 0.0;
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break;
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case($dH >= 1.0 && $dH < 2.0):
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$dR = $dX;
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$dG = $dC;
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$dB = 0.0;
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break;
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case($dH >= 2.0 && $dH < 3.0):
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$dR = 0.0;
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$dG = $dC;
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$dB = $dX;
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break;
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case($dH >= 3.0 && $dH < 4.0):
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$dR = 0.0;
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$dG = $dX;
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$dB = $dC;
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break;
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case($dH >= 4.0 && $dH < 5.0):
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$dR = $dX;
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$dG = 0.0;
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$dB = $dC;
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break;
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case($dH >= 5.0 && $dH < 6.0):
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$dR = $dC;
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$dG = 0.0;
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$dB = $dX;
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break;
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default:
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$dR = 0.0;
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$dG = 0.0;
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$dB = 0.0;
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break;
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}
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$dM = $dV - $dC;
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$dR += $dM;
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$dG += $dM;
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$dB += $dM;
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$dR *= 255;
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$dG *= 255;
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$dB *= 255;
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$dR = str_pad(dechex(round($dR)), 2, "0", STR_PAD_LEFT);
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$dG = str_pad(dechex(round($dG)), 2, "0", STR_PAD_LEFT);
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$dB = str_pad(dechex(round($dB)), 2, "0", STR_PAD_LEFT);
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return $dR.$dG.$dB;
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}
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public static function findOpenOffice(){
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$cmd = '';
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if (is_string(\OC_Config::getValue('preview_libreoffice_path', null))){
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$cmd = \OC_Config::getValue('preview_libreoffice_path', null);
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}
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$whichLibreOffice = shell_exec('which libreoffice');
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if ($cmd === '' && !empty($whichLibreOffice)){
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$cmd = 'libreoffice';
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}
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$whichOpenOffice = shell_exec('which openoffice');
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if ($cmd === '' && !empty($whichOpenOffice)){
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$cmd = 'openoffice';
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}
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if (empty($cmd)){
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Helper::warnLog('Pure configuration issue. Missing open office binary that is mandatory for conversion.');
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Helper::debugLog('If openoffice or libreoffice is already installed please specify the path to it using preview_libreoffice_path config. Refer to admin manual for details.');
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throw new \RuntimeException('Missing open office binary that is mandatory for conversion.');
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}
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return $cmd;
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}
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}
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