Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/*

 * Handling all ajax request for cesa_notes API

 *

 * @package    block_cesa_notes

 * @author     Gautam Kumar Das<gautam.arg@gmail.com>

 */

define('AJAX_SCRIPT', true);

define('NO_DEBUG_DISPLAY', true);

require_once('../../config.php');

require_once($CFG->dirroot.'/course/lib.php');

require_once($CFG->dirroot . '/blocks/cesa_notes/lib.php');

$contextid = optional_param('contextid', SYSCONTEXTID, PARAM_INT);

$contextarea = optional_param('contextarea', 'site', PARAM_ALPHA);

$action    = optional_param('action', '', PARAM_ALPHA);

$page      = optional_param('page', 0, PARAM_INT);

list($context, $course, $cm) = get_context_info_array($contextid);

if ( $contextid == SYSCONTEXTID || $context->contextlevel == CONTEXT_USER) {

    $course = get_site();

}

$PAGE->set_url('/blocks/cesa_notes/cesa_notes_ajax.php');

require_course_login($course, true, $cm);

$PAGE->set_context($context);

if (!empty($cm)) {

    $PAGE->set_cm($cm, $course);

} else if (!empty($course)) {

    $PAGE->set_course($course);

}

if (!confirm_sesskey()) {

    $error = array('error' => get_string('invalidsesskey', 'error'));

    die(json_encode($error));

}

if (!isloggedin()) {

    echo json_encode(array('error' => 'require_login'));

    die();

}

$config = get_config('block_cesa_notes');

echo $OUTPUT->header(); //...send headers

// process ajax request

switch ($action) {

    case 'add':

        $content   = optional_param('content',   '', PARAM_RAW);

        $noteurl      = optional_param('noteurl',  '', PARAM_RAW);

        $manager = new block_cesa_notes_manager();

        if ($note = $manager->addmynote($context, $contextarea, $course, $content, $noteurl, $cm->id)) {

            $options = new stdClass();

            $options->page = $page;

            $options->courseid = $course->id;

            $options->contextid   = $context->id;

            $options->context   = $context;

            $options->contextarea = $contextarea;

            unset($options->courseid);

            $count = $manager->count_cesa_notes($options);

            echo json_encode(array('notes' => array($note), 'count' => $count));

        } else {

            echo json_encode(array('error' => 'Unable to add note'));

        }

        die();

        break;

    case 'get':

        $manager = new block_cesa_notes_manager();

        $options = new stdClass();

        $options->page = $page;

        $options->contextarea = $contextarea;

        $count = $manager->count_cesa_notes($options);

        $notes = $manager->get_cesa_notes($options);

        echo json_encode(array('notes' => $notes, 'count' => $count));

        die();

        break;

    case 'edit':

        $content   = optional_param('content',   '', PARAM_RAW);

        $noteurl      = optional_param('noteurl',  '', PARAM_RAW);

        $noteid      = optional_param('noteToEditIt',  '', PARAM_RAW);

        $manager = new block_cesa_notes_manager();

        if ($note = $manager->editmynote($noteid, $context, $contextarea, $course, $content, $noteurl, $cm->id)) {

            $options = new stdClass();

            $options->page = $page;

            $options->courseid = $course->id;

            $options->contextid   = $context->id;

            $options->context   = $context;

            $options->contextarea = $contextarea;

            unset($options->courseid);

            $count = $manager->count_cesa_notes($options);

            echo json_encode(array('notes' => array($note), 'count' => $count));

        } else {

            echo json_encode(array('error' => 'Unable to edit note'));

        }

        die();

        break;

    case 'delete':

        $noteid = required_param('noteid', PARAM_INT);

        $limitfrom = optional_param('lastnotecounts', 0, PARAM_INT);

        $manager = new block_cesa_notes_manager();

        if ($manager->delete($noteid)) {

            $options = new stdClass();

            $options->page = $page;

            $options->contextarea = $contextarea;

            $count = $manager->count_cesa_notes($options);

            if ($limitfrom) {

                $options->limitfrom = $limitfrom - 1;

            }

            $notes = $manager->get_cesa_notes($options);

            echo json_encode(array('notes' => $notes, 'count' => $count, 'noteid' => $noteid));

        }

        die();

}

die();