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642 lines
15 KiB
642 lines
15 KiB
13 years ago
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<?php
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/*
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* This file contains several classes related to portfolios management to avoid
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* having too much files under the lib/.
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*
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* Once external libraries are moved to their own directory it would be worth
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* moving them to their own files under a common portfolio directory.
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*/
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use Model\Document;
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use Model\Course;
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/**
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* A portfolio is used to present content to other people. In most cases it is
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* an external application.
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*
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* From the application point of view it is an end point to which the user can send
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* content.
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*
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* Available portfolios are configured in /main/inc/config/portfolio.conf.php
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*
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* The Portfolio class serves as an entry point to other portfolio components:
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*
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* - portfolio controller
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* - portfolio share button
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* - portfolio action
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*
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* Note:
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*
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*
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* @license see /license.txt
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* @author Laurent Opprecht <laurent@opprecht.info> for the Univesity of Geneva
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*/
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class Portfolio extends Portfolio\Portfolio
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{
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/**
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* Returns all portfolios available
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*
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* @return array
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*/
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public static function all()
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{
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$conf = Chamilo::path('/main/inc/conf/portfolio.conf.php');
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if (!is_readable($conf)) {
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return array();
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}
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include $conf;
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return isset($portfolios) ? $portfolios : array();
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}
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/**
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* Returns a portfolio from its name.
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*
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* @param string $name
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* @return Portfolio\Portfolio
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*/
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public static function get($name)
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{
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$items = self::all();
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foreach ($items as $item) {
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if ($item->get_name() == $name) {
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return $item;
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}
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}
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return Portfolio\Portfolio::none();
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}
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/**
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* True if portfolios are enabled. False otherwise.
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*
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* @return boolean
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*/
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public static function is_enabled()
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{
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if (api_is_anonymous()) {
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return false;
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}
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$user_id = api_get_user_id();
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if (empty($user_id)) {
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return false;
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}
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$portfolios = self::all();
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if (count($portfolios) == 0) {
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return false;
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}
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return true;
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}
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/**
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* The controller for portfolio.
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*
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* @return \PortfolioController
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*/
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public static function controller()
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{
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return PortfolioController::instance();
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}
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/**
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* Returns a share component/button.
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*
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* @param string $tool
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* @param int $id
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* @param array $attributes
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* @return \PortfolioShare
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*/
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public static function share($tool, $id, $attributes = array())
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{
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return PortfolioShare::factory($tool, $id, $attributes);
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}
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/**
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* Returns the list of actions.
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*
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* @return array
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*/
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public static function actions()
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{
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return PortfolioController::actions();
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}
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/**
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* Returns a temporary url to download files and/or folders.
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*
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* @param string|array $ids
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* @return string
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*/
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public static function download_url($ids, $tool)
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{
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$ids = is_array($ids) ? implode(',', $ids) : $ids;
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$params = Uri::course_params();
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$params['id'] = $ids;
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$params[KeyAuth::PARAM_ACCESS_TOKEN] = KeyAuth::create_temp_token();
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$result = Uri::url("/main/$tool/file.php", $params, false);
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return $result;
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}
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}
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/**
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* The portfolio controller. Responsible to dispatch/process portfolio actions.
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*
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* Usage:
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*
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* if(Porfolio::contoller()->accept()){
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* Portfolio::controller()->run();
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* }
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*
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*
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*/
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class PortfolioController
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{
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const PARAM_ACTION = 'action';
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const PARAM_ID = 'id';
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const PARAM_TOOL = 'tool';
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const PARAM_PORTFOLIO = 'portfolio';
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const PARAM_CONTROLLER = 'controller';
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const PARAM_SECURITY_TOKEN = 'sec_token';
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const ACTION_SHARE = 'share';
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const NAME = 'portfolio';
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/**
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*
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* @return \PortfolioController
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*/
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static function instance()
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{
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static $result = null;
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if (empty($result)) {
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$result = new self();
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}
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return $result;
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}
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protected $message = '';
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protected function __construct()
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{
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}
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public static function portfolios()
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{
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return Portfolio::all();
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}
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/**
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* List of actions for the SortableTable.
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*
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* @return array
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*/
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public static function actions()
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{
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static $result = null;
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if (!is_null($result)) {
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return $result;
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}
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$items = self::portfolios();
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if (empty($items)) {
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$result = array();
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return $result;
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}
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$result = array();
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foreach ($items as $item) {
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$action = PortfolioBulkAction::create($item);
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$result[] = $action;
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}
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return $result;
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}
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/**
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* Returns true if the controller accept to process the current request.
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* Returns false otherwise.
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*
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* @return boolean
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*/
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function accept()
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{
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if (!Portfolio::is_enabled()) {
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return false;
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}
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$actions = self::actions();
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foreach ($actions as $action) {
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if ($action->accept()) {
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return true;
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}
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}
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if ($this->get_controller() != self::NAME) {
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return false;
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}
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if (!Security::check_token('get')) {
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return false;
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}
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$id = $this->get_id();
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if (empty($id)) {
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return false;
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}
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return $this->get_action() == self::ACTION_SHARE;
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}
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/**
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* Returns the value of the current controller request parameters. That is
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* the name of the controller which shall handle the current request.
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*
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* @return string
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*/
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function get_controller()
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{
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return Request::get(self::PARAM_CONTROLLER);
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}
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/**
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* Returns the value of the action parameter. That is which action shall be
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* performed. That is share to send an object to a portfolio.
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*
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* @return string
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*/
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function get_action()
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{
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$result = Request::get(self::PARAM_ACTION);
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return ($result == self::ACTION_SHARE) ? self::ACTION_SHARE : '';
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}
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/**
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* Returns the value of the id parameter: id of object to send.
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*
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* @return int
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*/
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function get_id()
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{
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return (int) Request::get(self::PARAM_ID);
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}
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/**
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* The course code (id) to which the object belongs.
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*
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* @return string
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*/
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function course_code()
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{
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return Chamilo::session()->course()->code();
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}
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/**
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* The name of the porfolio where to send.
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*
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* @return type
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*/
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function get_portfolio()
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{
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return Request::get(self::PARAM_PORTFOLIO);
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}
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/**
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* Name of the tool: document, work, etc. Defaults to current_course_tool.
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*
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* @global string $current_course_tool
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* @return string
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*/
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function get_tool()
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{
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global $current_course_tool;
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return Request::get(self::PARAM_TOOL, $current_course_tool);
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}
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/**
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* Returns the end user message after running the controller..
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* @return string
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*/
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function message()
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{
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return $this->message;
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}
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/**
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* Execute the controller action as required. If a registered action accept
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* the current request the controller calls it.
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*
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* If not action is accept the current request and current action is "share"
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* the controller execute the "send to portfolio" action
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*
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* @return PortfolioController
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*/
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function run()
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{
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if (!$this->accept()) {
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return $this;
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}
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$actions = self::actions();
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foreach ($actions as $action) {
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if ($action->accept()) {
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return $action->run();
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}
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}
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$action = $this->get_action();
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if ($action == self::ACTION_SHARE) {
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$user = new \Portfolio\User();
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$user->email = Chamilo::user()->email();
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$tool = $this->get_tool();
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$id = $this->get_id();
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$url = Portfolio::download_url($id, $tool);
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$artefact = new Portfolio\Artefact($url);
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$name = $this->get_portfolio();
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$result = Portfolio::get($name)->send($user, $artefact);
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if ($result) {
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$this->message = Display::return_message(get_lang('SentSuccessful'), 'normal');
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} else {
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$this->message = Display::return_message(get_lang('SentFailed'), 'error');
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}
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return $this;
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} else {
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$this->message = '';
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}
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return $this;
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}
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}
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/**
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* This component is used to display a "send to portfolio" button for a specific
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* object.
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*
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* Note that the component implement the __toString() magic method and can be
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* therefore used in situation where a string is expected: for ex echo $button.
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*
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* Usage
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*
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* $button = Portfolio::share(...);
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* echo $button;
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*
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*/
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class PortfolioShare
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{
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/**
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* Create a "send to portfolio" button
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*
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* @param string $tool The name of the tool: document, work.
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* @param int $c_id The id of the course
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* @param int $id The id of the object
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* @param array $attributes Html attributes
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* @return \PortfolioShare
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*/
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static function factory($tool, $id, $attributes = array())
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{
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$result = new self($tool, $id, $attributes);
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return $result;
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}
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/**
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* Returns the current secuirty token. Used to avoid see surfing attacks.
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*
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* @return type
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*/
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static function security_token()
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{
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static $result = null;
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if (empty($result)) {
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$result = Security::get_token();
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}
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return $result;
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}
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protected $id = 0;
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protected $attributes = array();
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protected $tool = '';
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function __construct($tool, $id, $attributes = array())
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{
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$this->tool = $tool;
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$this->id = (int) $id;
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$this->attributes = $attributes;
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}
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/**
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* Object id to send
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* @return int
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*/
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function get_id()
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||
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{
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|
|
return $this->id;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Object id to send
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
function get_c_id()
|
||
|
|
{
|
||
|
|
return $this->c_id;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Html attributes.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function get_attributes()
|
||
|
|
{
|
||
|
|
return $this->attributes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Name of the tool. I.e. the type of the id parameter. Can be document, work.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function get_tool()
|
||
|
|
{
|
||
|
|
return $this->tool;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Display the component.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function display()
|
||
|
|
{
|
||
|
|
if (!Portfolio::is_enabled()) {
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
$id = $this->id;
|
||
|
|
$tool = $this->tool;
|
||
|
|
|
||
|
|
$attributes = $this->attributes;
|
||
|
|
$attributes['z-index'] = 100000;
|
||
|
|
$s = ' ';
|
||
|
|
foreach ($attributes as $key => $value) {
|
||
|
|
$s .= $key . '="' . $value . '" ';
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = array();
|
||
|
|
$result[] = '<span ' . $s . ' >';
|
||
|
|
$result[] = '<span class="dropdown" >';
|
||
|
|
$result[] = '<a href="#" data-toggle="dropdown" class="dropdown-toggle">';
|
||
|
|
$result[] = Display::return_icon('document_send.png', get_lang('Send'), array(), ICON_SIZE_SMALL) . '<b class="caret"></b>';
|
||
|
|
$result[] = '</a>';
|
||
|
|
$result[] = '<ul class="dropdown-menu">';
|
||
|
|
|
||
|
|
$portfolios = Portfolio::all();
|
||
|
|
foreach ($portfolios as $portfolio) {
|
||
|
|
$parameters = Uri::course_params();
|
||
|
|
$parameters[PortfolioController::PARAM_ACTION] = PortfolioController::ACTION_SHARE;
|
||
|
|
$parameters[PortfolioController::PARAM_CONTROLLER] = PortfolioController::NAME;
|
||
|
|
$parameters[PortfolioController::PARAM_PORTFOLIO] = $portfolio->get_name();
|
||
|
|
$parameters[PortfolioController::PARAM_SECURITY_TOKEN] = self::security_token();
|
||
|
|
$parameters[PortfolioController::PARAM_TOOL] = $this->get_tool();
|
||
|
|
$parameters[PortfolioController::PARAM_ID] = $id;
|
||
|
|
$parameters[PortfolioController::PARAM_TOOL] = $tool;
|
||
|
|
$url = Chamilo::url('/main/portfolio/share.php', $parameters);
|
||
|
|
$result[] = '<li>';
|
||
|
|
$result[] = '<a href="' . $url . '">' . $portfolio->get_title() . '</a>';
|
||
|
|
$result[] = '</li>';
|
||
|
|
}
|
||
|
|
$result[] = '</ul>';
|
||
|
|
$result[] = '</span>';
|
||
|
|
$result[] = '</span>';
|
||
|
|
return implode("\n", $result);
|
||
|
|
}
|
||
|
|
|
||
|
|
function __toString()
|
||
|
|
{
|
||
|
|
return $this->display();
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A "send to this portfolio" action. Actions are used by the SortableTable to
|
||
|
|
* perform actions on a set of objects. An action is composed of
|
||
|
|
*
|
||
|
|
* - a name
|
||
|
|
* - a title (displayed to the user)
|
||
|
|
* - code to execute
|
||
|
|
*
|
||
|
|
* Usage:
|
||
|
|
*
|
||
|
|
* $form_actions = array();
|
||
|
|
* $form_action['...'] = get_lang('...');
|
||
|
|
* $portfolio_actions = Portfolio::actions();
|
||
|
|
* foreach($portfolio_actions as $action){
|
||
|
|
* $form_action[$action->get_name()] = $action->get_title();
|
||
|
|
* }
|
||
|
|
* $table->set_form_actions($form_action, 'path');
|
||
|
|
*
|
||
|
|
* @see SortableTable
|
||
|
|
*/
|
||
|
|
class PortfolioBulkAction
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
* @param \Portfolio\Portfolio $portfolio
|
||
|
|
* @return PortfolioBulkAction
|
||
|
|
*/
|
||
|
|
public static function create($portfolio)
|
||
|
|
{
|
||
|
|
return new self($portfolio);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected $name = '';
|
||
|
|
protected $title = '';
|
||
|
|
protected $portfolio = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
* @param \Portfolio\Portfolio $portfolio
|
||
|
|
*/
|
||
|
|
public function __construct($portfolio)
|
||
|
|
{
|
||
|
|
$this->name = md5(__CLASS__) . '_' . $portfolio->get_name();
|
||
|
|
$this->title = $portfolio->get_title() ? $portfolio->get_title() : get_lang('SendTo') . ' ' . $portfolio->get_name();
|
||
|
|
$this->portfolio = $portfolio;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function get_name()
|
||
|
|
{
|
||
|
|
return $this->name;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function get_title()
|
||
|
|
{
|
||
|
|
return $this->title;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
* @return \Portfolio\Portfolio
|
||
|
|
*/
|
||
|
|
public function get_portfolio()
|
||
|
|
{
|
||
|
|
return $this->portfolio;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function accept()
|
||
|
|
{
|
||
|
|
$name = $this->get_name();
|
||
|
|
$action = Request::get(PortfolioController::PARAM_ACTION);
|
||
|
|
if ($name != $action) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$pathes = Request::get('path');
|
||
|
|
if (empty($pathes)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$course = Course::current();
|
||
|
|
if (empty($course)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function run()
|
||
|
|
{
|
||
|
|
if (!$this->accept()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$course = Course::current();
|
||
|
|
|
||
|
|
$pathes = Request::get('path');
|
||
|
|
$pathes = is_array($pathes) ? $pathes : array($pathes);
|
||
|
|
|
||
|
|
$ids = array();
|
||
|
|
foreach ($pathes as $path) {
|
||
|
|
$doc = Document::get_by_path($course, $path);
|
||
|
|
if ($doc) {
|
||
|
|
$ids[] = $doc->get_id();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (empty($ids)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$user = new \Portfolio\User();
|
||
|
|
$user->email = Chamilo::user()->email();
|
||
|
|
|
||
|
|
$artefact = new Portfolio\Artefact();
|
||
|
|
$artefact->url = Portfolio::download_url($ids);
|
||
|
|
|
||
|
|
$portfolio = $this->get_portfolio();
|
||
|
|
$result = $portfolio->send($user, $artefact);
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|