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<?php |
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/* For licensing terms, see /license.txt */ |
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namespace Chamilo\CoreBundle\Component\Utils; |
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/** |
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* Class ChamiloApi |
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* @package Chamilo\CoreBundle\Component |
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*/ |
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class ChamiloApi |
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{ |
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private static $configuration; |
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/** |
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* ChamiloApi constructor. |
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* @param $configuration |
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*/ |
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public function __construct(array $configuration) |
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{ |
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self::$configuration = $configuration; |
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} |
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/** |
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* @return array |
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*/ |
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public static function getConfigurationArray() |
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{ |
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return self::$configuration; |
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} |
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/** |
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* @param string $variable |
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* @return bool|string |
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*/ |
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public static function getConfigurationValue($variable) |
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{ |
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$configuration = self::getConfigurationArray(); |
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if (array_key_exists($variable, $configuration)) { |
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return $configuration[$variable]; |
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} |
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return false; |
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} |
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/** |
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* Returns an array of resolutions that can be used for the conversion of documents to images |
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* @return array |
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*/ |
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public static function getDocumentConversionSizes() |
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{ |
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return array( |
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'540x405' => '540x405 (3/4)', |
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'640x480' => '640x480 (3/4)', |
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'720x540' => '720x540 (3/4)', |
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'800x600' => '800x600 (3/4)', |
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'1024x576' => '1024x576 (16/9)', |
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'1024x768' => '1000x750 (3/4)', |
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'1280x720' => '1280x720 (16/9)', |
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'1280x860' => '1280x960 (3/4)', |
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'1400x1050' => '1400x1050 (3/4)', |
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'1600x900' => '1600x900 (16/9)', |
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); |
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} |
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/** |
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* Get the platform logo path |
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* @return null|string |
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*/ |
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public static function getWebPlatformLogoPath() |
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{ |
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$theme = api_get_visual_theme(); |
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$accessUrlId = api_get_current_access_url_id(); |
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$customLogoPath = "themes/$theme/images/header-logo-custom$accessUrlId.png"; |
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if (file_exists(api_get_path(SYS_PUBLIC_PATH) . "css/$customLogoPath")) { |
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return api_get_path(WEB_CSS_PATH) . $customLogoPath; |
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} |
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$originalLogoPath = "themes/$theme/images/header-logo.png"; |
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if (file_exists(api_get_path(SYS_CSS_PATH) . $originalLogoPath)) { |
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return api_get_path(WEB_CSS_PATH) . $originalLogoPath; |
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} |
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return null; |
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} |
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/** |
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* Get the platform logo. |
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* Return a <img> if the logo image exists. Otherwise return a <h2> with the institution name. |
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* @param array $imageAttributes Optional. |
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* @return string |
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*/ |
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public static function getPlatformLogo($imageAttributes = []) |
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{ |
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$logoPath = self::getWebPlatformLogoPath(); |
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$institution = api_get_setting('Institution'); |
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$institutionUrl = api_get_setting('InstitutionUrl'); |
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$siteName = api_get_setting('siteName'); |
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if ($logoPath === null) { |
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$headerLogo = \Display::url($siteName, api_get_path(WEB_PATH) . 'index.php'); |
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if (!empty($institutionUrl) && !empty($institution)) { |
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$headerLogo .= ' - ' . \Display::url($institution, $institutionUrl); |
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} |
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$courseInfo = api_get_course_info(); |
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if (isset($courseInfo['extLink']) && !empty($courseInfo['extLink']['name'])) { |
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$headerLogo .= '<span class="extLinkSeparator"> - </span>'; |
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if (!empty($courseInfo['extLink']['url'])) { |
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$headerLogo .= \Display::url( |
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$courseInfo['extLink']['name'], |
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$courseInfo['extLink']['url'], |
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['class' => 'extLink'] |
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); |
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} else if (!empty($courseInfo['extLink']['url'])) { |
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$headerLogo .= $courseInfo['extLink']['url']; |
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} |
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} |
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return \Display::tag('h2', $headerLogo, ['class' => 'text-left']); |
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} |
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$image = \Display::img($logoPath, $institution, $imageAttributes); |
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return \Display::url($image, api_get_path(WEB_PATH) . 'index.php'); |
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} |
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/** |
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* Like strip_tags(), but leaves an additional space and removes only the given tags |
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* @param string $string |
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* @param array $tags Tags to be removed |
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* @return string The original string without the given tags |
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*/ |
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View Code Duplication |
public static function stripGivenTags($string, $tags) |
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{ |
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foreach ($tags as $tag) { |
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$string2 = preg_replace('#</' . $tag . '[^>]*>#i', ' ', $string); |
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if ($string2 != $string) { |
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$string = preg_replace('/<' . $tag . '[^>]*>/i', ' ', $string2); |
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} |
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} |
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return $string; |
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} |
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/** |
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* Adds or Subtract a time in hh:mm:ss to a datetime |
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* @param string $time Time in hh:mm:ss format |
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* @param string $datetime Datetime as accepted by the Datetime class constructor |
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* @param bool $operation True for Add, False to Subtract |
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* @return string |
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*/ |
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public static function addOrSubTimeToDateTime($time, $datetime = 'now', $operation = true) |
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{ |
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$date = new \DateTime($datetime); |
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$hours = $minutes = $seconds = 0; |
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sscanf($time, "%d:%d:%d", $hours, $minutes, $seconds); |
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$timeSeconds = isset($seconds) ? $hours * 3600 + $minutes * 60 + $seconds : $hours * 60 + $minutes; |
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if ($operation) { |
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$date->add(new \DateInterval('PT' . $timeSeconds . 'S')); |
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} else { |
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$date->sub(new \DateInterval('PT' . $timeSeconds . 'S')); |
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} |
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return $date->format('Y-m-d H:i:s'); |
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} |
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} |
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chamilo /
chamilo-lms
