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<?php |
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/* For licensing terms, see /license.txt */ |
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use Chamilo\CoreBundle\Framework\Container; |
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class ExerciseSignaturePlugin extends Plugin |
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{ |
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public function __construct() |
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{ |
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parent::__construct( |
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'0.1', |
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'Julio Montoya', |
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[ |
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] |
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); |
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$this->isAdminPlugin = true; |
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} |
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/** |
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* @return $this |
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*/ |
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public static function create() |
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{ |
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static $instance = null; |
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return $instance ? $instance : $instance = new self(); |
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} |
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public static function exerciseHasSignatureActivated(Exercise $exercise) |
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{ |
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if (empty($exercise->iId)) { |
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return false; |
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} |
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if (Container::getPluginHelper()->isPluginEnabled('ExerciseSignature')) { |
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$extraFieldValue = new ExtraFieldValue('exercise'); |
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$result = $extraFieldValue->get_values_by_handler_and_field_variable($exercise->iId, 'signature_activated'); |
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if ($result && isset($result['value']) && 1 === (int) $result['value']) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public static function saveSignature($userId, $trackInfo, $file) |
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{ |
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if (false === self::validateSignatureAccess($userId, $trackInfo)) { |
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return false; |
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} |
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$signature = self::getSignature($userId, $trackInfo); |
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if (false !== $signature) { |
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return false; |
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} |
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if (empty($file)) { |
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return false; |
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} |
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$params = [ |
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'item_id' => $trackInfo['exe_id'], |
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'extra_signature' => $file, |
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]; |
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$extraFieldValue = new ExtraFieldValue('track_exercise'); |
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$extraFieldValue->saveFieldValues( |
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$params, |
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true |
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); |
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$signature = self::getSignature($userId, $trackInfo); |
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if (false !== $signature) { |
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return true; |
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} |
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return true; |
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} |
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public static function validateSignatureAccess($userId, $trackInfo) |
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{ |
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$userId = (int) $userId; |
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if (isset($trackInfo['exe_id']) && isset($trackInfo['exe_user_id']) && |
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!empty($trackInfo['exe_id']) && !empty($trackInfo['exe_user_id']) && |
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'incomplete' !== $trackInfo['status'] |
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) { |
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if ($userId === (int) $trackInfo['exe_user_id']) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public static function getSignature($userId, $trackInfo) |
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{ |
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if (false === self::validateSignatureAccess($userId, $trackInfo)) { |
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return false; |
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} |
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$extraFieldValue = new ExtraFieldValue('track_exercise'); |
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$result = $extraFieldValue->get_values_by_handler_and_field_variable($trackInfo['exe_id'], 'signature'); |
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if ($result && isset($result['value']) && !empty($result['value'])) { |
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return $result['value']; |
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} |
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return false; |
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} |
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/** |
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* Creates this plugin's related tables in the internal database. |
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* Installs course fields in all courses. |
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*/ |
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public function install() |
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{ |
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$extraField = new ExtraField('exercise'); |
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$extraFieldHandler = $extraField->get_handler_field_info_by_field_variable('signature_activated'); |
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$exists = false !== $extraFieldHandler; |
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if (!$exists) { |
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$extraField->save( |
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[ |
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'value_type' => 13, // checkbox yes/no |
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'variable' => 'signature_activated', |
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'display_text' => get_plugin_lang('SignatureActivated', 'ExerciseSignaturePlugin'), |
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'default_value' => null, |
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'field_order' => null, |
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'visible_to_self' => 1, |
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'changeable' => 1, |
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'filter' => null, |
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] |
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); |
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} |
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$extraFieldHandler = $extraField->get_handler_field_info_by_field_variable('signature_mandatory'); |
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$exists = false !== $extraFieldHandler; |
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if (!$exists) { |
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$extraField->save( |
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[ |
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'value_type' => 13, // checkbox yes/no |
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'variable' => 'signature_mandatory', |
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'display_text' => get_plugin_lang('SignatureMandatory', 'ExerciseSignaturePlugin'), |
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'default_value' => null, |
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'field_order' => null, |
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'visible_to_self' => 1, |
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'changeable' => 1, |
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'filter' => null, |
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] |
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); |
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} |
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$extraField = new ExtraField('track_exercise'); |
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$extraFieldHandler = $extraField->get_handler_field_info_by_field_variable('signature'); |
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$exists = false !== $extraFieldHandler; |
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if (!$exists) { |
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$extraField->save( |
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[ |
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'value_type' => 2, // textarea |
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'variable' => 'signature', |
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'display_text' => get_plugin_lang('Signature', 'ExerciseSignaturePlugin'), |
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'default_value' => null, |
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'field_order' => null, |
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'visible_to_self' => 1, |
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'changeable' => 1, |
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'filter' => null, |
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] |
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); |
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} |
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$table = Database::get_main_table(TABLE_EXTRA_FIELD_VALUES); |
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$sql = "ALTER TABLE $table MODIFY COLUMN field_value LONGTEXT null;"; |
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Database::query($sql); |
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} |
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/** |
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* Drops this plugins' related tables from the internal database. |
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* Uninstalls course fields in all courses(). |
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*/ |
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public function uninstall() |
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{ |
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$extraField = new ExtraField('track_exercise'); |
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$fieldInfo = $extraField->get_handler_field_info_by_field_variable('signature_activated'); |
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if ($fieldInfo) { |
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$extraField->delete($fieldInfo['id']); |
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} |
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$extraField = new ExtraField('exercise'); |
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$fieldInfo = $extraField->get_handler_field_info_by_field_variable('signature'); |
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if ($fieldInfo) { |
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$extraField->delete($fieldInfo['id']); |
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} |
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} |
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} |
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chamilo /
chamilo-lms
