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375 lines
14 KiB
375 lines
14 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @package chamilo.webservices
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*/
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require_once(dirname(__FILE__).'/../inc/global.inc.php');
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$libpath = api_get_path(LIBRARY_PATH);
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require_once($libpath.'sessionmanager.lib.php');
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require_once($libpath.'course.lib.php');
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require_once(dirname(__FILE__).'/webservice.php');
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/**
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* Web services available for the Session module. This class extends the WS class
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*/
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class WSSession extends WS {
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/**
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* Creates a session (helper method)
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*
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* @param string Name of the session
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* @param string Start date, use the 'YYYY-MM-DD' format
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* @param string End date, use the 'YYYY-MM-DD' format
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* @param int Access delays of the coach (days before)
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* @param int Access delays of the coach (days after)
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* @param int Nolimit (0 = no limit of time, 1 = limit of time)
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* @param int Visibility
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* @param string User id field name for the coach
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* @param string User id value for the coach
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* @param string Original session id field name (use "chamilo_session_id" to use internal id)
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* @param string Original session id value
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* @param array Array of extra fields
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* @return mixed Generated id in case of success, WSError otherwise
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*/
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protected function createSessionHelper($name, $start_date, $end_date, $nb_days_access_before, $nb_days_access_after, $nolimit, $visibility, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $extras) {
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// Verify that coach exists and get its id
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$user_id = $this->getUserId($user_id_field_name, $user_id_value);
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if($user_id instanceof WSError) {
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return $user_id;
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}
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// Build the date
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$start_date_array = explode('-', $start_date);
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foreach($start_date_array as &$sd_element) {
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$sd_element = intval($sd_element);
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}
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$end_date_array = explode('-', $end_date);
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foreach($end_date_array as &$ed_element) {
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$ed_element = intval($ed_element);
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}
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// Try to create the session
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$session_id = SessionManager::create_session($name, $start_date_array[0], $start_date_array[1], $start_date_array[2], $end_date_array[0], $end_date_array[1], $end_date_array[2], (int)$nb_days_access_before, (int)$nb_days_access_after, (int)$nolimit, $user_id, 0, (int)$visibility);
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if(!is_int($session_id)) {
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return new WSError(301, 'Could not create the session');
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} else {
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// Add the Original session id to the extra fields
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$extras_associative = array();
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if($session_id_field_name != "chamilo_session_id") {
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$extras_associative[$session_id_field_name] = $session_id_value;
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}
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foreach($extras as $extra) {
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$extras_associative[$extra['field_name']] = $extra['field_value'];
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}
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// Create the extra fields
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foreach($extras_associative as $fname => $fvalue) {
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SessionManager::create_session_extra_field($fname, 1, $fname);
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SessionManager::update_session_extra_field_value($session_id, $fname, $fvalue);
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}
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return $session_id;
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}
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}
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/**
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* Creates a session
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*
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* @param string API secret key
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* @param string Name of the session
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* @param string Start date, use the 'YYYY-MM-DD' format
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* @param string End date, use the 'YYYY-MM-DD' format
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* @param int Access delays of the coach (days before)
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* @param int Access delays of the coach (days after)
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* @param int Nolimit (0 = no limit of time, 1 = limit of time)
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* @param int Visibility
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* @param string User id field name for the coach
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* @param string User id value for the coach
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* @param string Original session id field name (use "chamilo_session_id" to use internal id)
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* @param string Original session id value
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* @param array Array of extra fields
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* @return int Session id generated
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*/
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public function CreateSession($secret_key, $name, $start_date, $end_date, $nb_days_access_before, $nb_days_access_after, $nolimit, $visibility, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $extras) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$session_id = $this->createSessionHelper($name, $start_date, $end_date, $nb_days_access_before, $nb_days_access_after, $nolimit, $visibility, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $extras);
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if($session_id instanceof WSError) {
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$this->handleError($session_id);
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} else {
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return $session_id;
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}
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}
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}
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/**
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* Deletes a session (helper method)
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*
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* @param string Session id field name
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* @param string Session id value
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* @return mixed True in case of success, WSError otherwise
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*/
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protected function deleteSessionHelper($session_id_field_name, $session_id_value) {
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$session_id = $this->getSessionId($session_id_field_name, $session_id_value);
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if($session_id instanceof WSError) {
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return $session_id;
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} else {
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SessionManager::delete_session($session_id, true);
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return true;
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}
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}
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/**
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* Deletes a session
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*
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* @param string API secret key
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* @param string Session id field name
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* @param string Session id value
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*/
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public function DeleteSession($secret_key, $session_id_field_name, $session_id_value) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$result = $this->deleteSessionHelper($session_id_field_name, $session_id_value);
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if($result instanceof WSError) {
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$this->handleError($result);
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}
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}
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}
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/**
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* Edits a session (helper method)
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*
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* @param string Name of the session
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* @param string Start date, use the 'YYYY-MM-DD' format
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* @param string End date, use the 'YYYY-MM-DD' format
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* @param int Access delays of the coach (days before)
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* @param int Access delays of the coach (days after)
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* @param int Nolimit (0 = no limit of time, 1 = limit of time)
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* @param int Visibility
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* @param string User id field name for the coach
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* @param string User id value for the coach
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* @param string Original session id field name (use "chamilo_session_id" to use internal id)
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* @param string Original session id value
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* @param array Array of extra fields
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* @return mixed True on success, WSError otherwise
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*/
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protected function editSessionHelper($name, $start_date, $end_date, $nb_days_access_before, $nb_days_access_after, $nolimit, $visibility, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $extras) {
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$session_id = $this->getSessionId($session_id_field_name, $session_id_value);
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if($session_id instanceof WSError) {
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return $session_id;
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} else {
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// Verify that coach exists and get its id
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$user_id = $this->getUserId($user_id_field_name, $user_id_value);
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if($user_id instanceof WSError) {
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return $user_id;
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}
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// Build the date
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$start_date_array = explode('-', $start_date);
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foreach($start_date_array as &$sd_element) {
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$sd_element = intval($sd_element);
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}
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$end_date_array = explode('-', $end_date);
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foreach($end_date_array as &$ed_element) {
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$ed_element = intval($ed_element);
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}
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$result_id = SessionManager::edit_session($session_id, $name, $start_date_array[0], $start_date_array[1], $start_date_array[2], $end_date_array[0], $end_date_array[1], $end_date_array[2], (int)$nb_days_access_before, (int)$nb_days_access_after, (int)$nolimit, $user_id, 0, (int)$visibility);
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if(!is_int($result_id)) {
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return new WSError(302, 'Could not edit the session');
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} else {
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if(!empty($extras)) {
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$extras_associative = array();
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foreach($extras as $extra) {
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$extras_associative[$extra['field_name']] = $extra['field_value'];
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}
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// Create the extra fields
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foreach($extras_associative as $fname => $fvalue) {
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SessionManager::create_session_extra_field($fname, 1, $fname);
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SessionManager::update_session_extra_field_value($session_id, $fname, $fvalue);
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}
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}
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return true;
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}
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}
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}
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/**
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* Edits a session
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*
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* @param string API secret key
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* @param string Name of the session
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* @param string Start date, use the 'YYYY-MM-DD' format
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* @param string End date, use the 'YYYY-MM-DD' format
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* @param int Access delays of the coach (days before)
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* @param int Access delays of the coach (days after)
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* @param int Nolimit (0 = no limit of time, 1 = limit of time)
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* @param int Visibility
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* @param string User id field name for the coach
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* @param string User id value for the coach
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* @param string Original session id field name (use "chamilo_session_id" to use internal id)
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* @param string Original session id value
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* @param array Array of extra fields
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*/
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public function EditSession($secret_key, $name, $start_date, $end_date, $nb_days_access_before, $nb_days_access_after, $nolimit, $visibility, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $extras) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$result = $this->editSessionHelper($name, $start_date, $end_date, $nb_days_access_before, $nb_days_access_after, $nolimit, $visibility, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $extras);
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if($session_id_value instanceof WSError) {
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$this->handleError($result);
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}
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}
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}
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/**
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* Change user subscription (helper method)
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*
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* @param string User id field name
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* @param string User id value
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* @param string Session id field name
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* @param string Session id value
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* @param int State (1 to subscribe, 0 to unsubscribe)
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* @return mixed True on success, WSError otherwise
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*/
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protected function changeUserSubscription($user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, $state) {
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$session_id = $this->getSessionId($session_id_field_name, $session_id_value);
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if($session_id instanceof WSError) {
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return $session_id;
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} else {
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$user_id = $this->getUserId($user_id_field_name, $user_id_value);
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if($user_id instanceof WSError) {
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return $user_id;
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} else {
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if($state == 1) {
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SessionManager::suscribe_users_to_session($session_id, array($user_id));
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} else {
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$result = SessionManager::unsubscribe_user_from_session($session_id, $user_id);
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if (!$result) {
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return new WSError(303, 'There was an error unsubscribing this user from the session');
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}
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}
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return true;
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}
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}
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}
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/**
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* Subscribe user to a session
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*
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* @param string API secret key
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* @param string User id field name
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* @param string User id value
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* @param string Session id field name
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* @param string Session id value
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*/
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public function SubscribeUserToSession($secret_key, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$result = $this->changeUserSubscription($user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, 1);
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if($result instanceof WSError) {
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$this->handleError($result);
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}
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}
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}
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/**
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* Subscribe user to a session
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*
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* @param string API secret key
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* @param string User id field name
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* @param string User id value
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* @param string Session id field name
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* @param string Session id value
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*/
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public function UnsubscribeUserFromSession($secret_key, $user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$result = $this->changeUserSubscription($user_id_field_name, $user_id_value, $session_id_field_name, $session_id_value, 0);
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if($result instanceof WSError) {
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$this->handleError($result);
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}
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}
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}
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/**
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* Change course subscription
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*
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* @param string Course id field name
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* @param string Course id value
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* @param string Session id field name
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* @param string Session id value
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* @param int State (1 to subscribe, 0 to unsubscribe)
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* @return mixed True on success, WSError otherwise
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*/
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protected function changeCourseSubscription($course_id_field_name, $course_id_value, $session_id_field_name, $session_id_value, $state) {
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$session_id = $this->getSessionId($session_id_field_name, $session_id_value);
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if($session_id instanceof WSError) {
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return $session_id;
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} else {
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$course_id = $this->getCourseId($course_id_field_name, $course_id_value);
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if($course_id instanceof WSError) {
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return $course_id;
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} else {
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if($state == 1) {
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$course_code = CourseManager::get_course_code_from_course_id($course_id);
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SessionManager::add_courses_to_session($session_id, array($course_code));
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return true;
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} else {
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$result = SessionManager::unsubscribe_course_from_session($session_id, $course_id);
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if ($result) {
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return true;
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} else {
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return new WSError(304, 'Error unsubscribing course from session');
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}
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}
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}
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}
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}
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/**
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* Subscribe course to session
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*
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* @param string API secret key
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* @param string Course id field name
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* @param string Course id value
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* @param string Session id field name
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* @param string Session id value
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*/
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public function SubscribeCourseToSession($secret_key, $course_id_field_name, $course_id_value, $session_id_field_name, $session_id_value) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$result = $this->changeCourseSubscription($course_id_field_name, $course_id_value, $session_id_field_name, $session_id_value, 1);
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if($result instanceof WSError) {
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$this->handleError($result);
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}
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}
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}
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/**
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* Unsubscribe course from session
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*
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* @param string API secret key
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* @param string Course id field name
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* @param string Course id value
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* @param string Session id field name
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* @param string Session id value
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*/
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public function UnsubscribeCourseFromSession($secret_key, $course_id_field_name, $course_id_value, $session_id_field_name, $session_id_value) {
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$verifKey = $this->verifyKey($secret_key);
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if($verifKey instanceof WSError) {
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$this->handleError($verifKey);
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} else {
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$result = $this->changeCourseSubscription($course_id_field_name, $course_id_value, $session_id_field_name, $session_id_value, 0);
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if($result instanceof WSError) {
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$this->handleError($result);
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}
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}
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}
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}
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