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/>.

/**

 * Blog entry edit page

 *

 * @package    moodlecore

 * @subpackage blog

 * @copyright  2009 Nicolas Connault

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

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

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

require_once($CFG->dirroot . '/blog/locallib.php');

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

require_once($CFG->dirroot . '/blog/edit_form.php');

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

$id       = optional_param('entryid', 0, PARAM_INT);

$confirm  = optional_param('confirm', 0, PARAM_BOOL);

$modid = optional_param('modid', 0, PARAM_INT); // To associate the entry with a module instance.

$courseid = optional_param('courseid', 0, PARAM_INT); // To associate the entry with a course.

if ($action == 'edit') {

    $id = required_param('entryid', PARAM_INT);

}

$PAGE->set_url('/blog/edit.php', array('action' => $action,

                                       'entryid' => $id,

                                       'confirm' => $confirm,

                                       'modid' => $modid,

                                       'courseid' => $courseid));

// If action is add, we ignore $id to avoid any further problems.

if (!empty($id) && $action == 'add') {

    $id = null;

}

$entry = new stdClass();

$entry->id = null;

if ($id) {

    $entry = new blog_entry($id);   // Will trigger exception if not found.

    $userid = $entry->userid;

} else {

    $userid = $USER->id;

}

$sitecontext = context_system::instance();

$usercontext = context_user::instance($userid);

if ($modid) {

    $PAGE->set_context($sitecontext);

} else {

    $PAGE->set_context($usercontext);

    $blognode = $PAGE->settingsnav->find('blogadd', null);

    $blognode->make_active();

}

require_login($courseid);

if (empty($CFG->enableblogs)) {

    throw new \moodle_exception('blogdisable', 'blog');

}

if (isguestuser()) {

    throw new \moodle_exception('noguest');

}

$returnurl = new moodle_url('/blog/index.php');

if (!empty($courseid) && empty($modid)) {

    $returnurl->param('courseid', $courseid);

}

// If a modid is given, guess courseid.

if (!empty($modid)) {

    $returnurl->param('modid', $modid);

    $courseid = $DB->get_field('course_modules', 'course', array('id' => $modid));

    $returnurl->param('courseid', $courseid);

}

$blogheaders = blog_get_headers();

if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:manageentries', $sitecontext)) {

    throw new \moodle_exception('cannoteditentryorblog', 'blog');

}

// Make sure that the person trying to edit has access right.

if ($id) {

    if (!blog_user_can_edit_entry($entry)) {

        throw new \moodle_exception('notallowedtoedit', 'blog');

    }

    $entry->subject      = clean_text($entry->subject);

    $entry->summary      = clean_text($entry->summary, $entry->format);

} else {

    if (!has_capability('moodle/blog:create', $sitecontext)) {

        throw new \moodle_exception('noentry', 'blog'); // The capability "manageentries" is not enough for adding.

    }

}

$returnurl->param('userid', $userid);

// Blog renderer.

$output = $PAGE->get_renderer('blog');

$strblogs = get_string('blogs', 'blog');

if ($action === 'delete') {

    // Init comment JS strings.

    comment::init();

    if (empty($entry->id)) {

        throw new \moodle_exception('wrongentryid');

    }

    if (data_submitted() && $confirm && confirm_sesskey()) {

        // Make sure the current user is the author of the blog entry, or has some deleteanyentry capability.

        if (!blog_user_can_edit_entry($entry)) {

            throw new \moodle_exception('nopermissionstodeleteentry', 'blog');

        } else {

            $entry->delete();

            blog_rss_delete_file($userid);

            redirect($returnurl);

        }

    } else if (blog_user_can_edit_entry($entry)) {

        $optionsyes = array('entryid' => $id,

                            'action' => 'delete',

                            'confirm' => 1,

                            'sesskey' => sesskey(),

                            'courseid' => $courseid);

        $optionsno = array('userid' => $entry->userid, 'courseid' => $courseid);

        $PAGE->set_title($strblogs);

        $PAGE->set_heading($SITE->fullname);

        echo $OUTPUT->header();

        // Output edit mode title.

        echo $OUTPUT->heading($strblogs . ': ' . get_string('deleteentry', 'blog'), 2);

        echo $OUTPUT->confirm(get_string('blogdeleteconfirm', 'blog', format_string($entry->subject)),

                              new moodle_url('edit.php', $optionsyes),

                              new moodle_url('index.php', $optionsno));

        echo '<br />';

        // Output the entry.

        $entry->prepare_render();

        echo $output->render($entry);

        echo $OUTPUT->footer();

        die;

    }

} else if ($action == 'add') {

    $editmodetitle = $strblogs . ': ' . get_string('addnewentry', 'blog');

    $PAGE->set_title($editmodetitle);

    $PAGE->set_heading(fullname($USER));

} else if ($action == 'edit') {

    $editmodetitle = $strblogs . ': ' . get_string('editentry', 'blog');

    $PAGE->set_title($editmodetitle);

    $PAGE->set_heading(fullname($USER));

}

if (!empty($entry->id)) {

    if ($CFG->useblogassociations && ($blogassociations = $DB->get_records('blog_association', array('blogid' => $entry->id)))) {

        foreach ($blogassociations as $assocrec) {

            $context = context::instance_by_id($assocrec->contextid);

            switch ($context->contextlevel) {

                case CONTEXT_COURSE:

                    $entry->courseassoc = $assocrec->contextid;

                    break;

                case CONTEXT_MODULE:

                    $entry->modassoc = $assocrec->contextid;

                    break;

            }

        }

    }

}

[$summaryoptions, $attachmentoptions] = blog_get_editor_options($entry);

$blogeditform = new blog_edit_form(null, compact('entry',

                                                 'summaryoptions',

                                                 'attachmentoptions',

                                                 'sitecontext',

                                                 'courseid',

                                                 'modid'));

$entry = file_prepare_standard_editor($entry, 'summary', $summaryoptions, $sitecontext, 'blog', 'post', $entry->id);

$entry = file_prepare_standard_filemanager($entry,

                                           'attachment',

                                           $attachmentoptions,

                                           $sitecontext,

                                           'blog',

                                           'attachment',

                                           $entry->id);

if (!empty($entry->id)) {

    $entry->tags = core_tag_tag::get_item_tags_array('core', 'post', $entry->id);

}

$entry->action = $action;

// Set defaults.

$blogeditform->set_data($entry);

if ($blogeditform->is_cancelled()) {

    redirect($returnurl);

} else if ($data = $blogeditform->get_data()) {

    switch ($action) {

        case 'add':

            $blogentry = new blog_entry(null, $data, $blogeditform);

            $blogentry->add();

            $blogentry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);

        break;

        case 'edit':

            if (empty($entry->id)) {

                throw new \moodle_exception('wrongentryid');

            }

            $entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);

        break;

        default :

            throw new \moodle_exception('invalidaction');

    }

    redirect($returnurl);

}

// GUI setup.

switch ($action) {

    case 'add':

        // Prepare new empty form.

        $entry->publishstate = 'site';

        $strformheading = get_string('addnewentry', 'blog');

        $entry->action       = $action;

        if ($CFG->useblogassociations) {

            // Pre-select the course for associations.

            if ($courseid) {

                $context = context_course::instance($courseid);

                $entry->courseassoc = $context->id;

            }

            // Pre-select the mod for associations.

            if ($modid) {

                $context = context_module::instance($modid);

                $entry->modassoc = $context->id;

            }

        }

        break;

    case 'edit':

        if (empty($entry->id)) {

            throw new \moodle_exception('wrongentryid');

        }

        $strformheading = get_string('updateentrywithid', 'blog');

        break;

    default :

        throw new \moodle_exception('unknowaction');

}

$entry->modid = $modid;

$entry->courseid = $courseid;

echo $OUTPUT->header();

// Output title for editing mode.

if (isset($editmodetitle)) {

    echo $OUTPUT->heading($editmodetitle, 2);

}

$blogeditform->display();

echo $OUTPUT->footer();

die;