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<?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) {
if (!$entry = new blog_entry($id)) {
print_error('wrongentryid', 'blog');
}
$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)) {
print_error('blogdisable', 'blog');
}
if (isguestuser()) {
print_error('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', $sitecontext)) {
print_error('cannoteditentryorblog');
}
// Make sure that the person trying to edit has access right.
if ($id) {
if (!blog_user_can_edit_entry($entry)) {
print_error('notallowedtoedit', 'blog');
}
$entry->subject = clean_text($entry->subject);
$entry->summary = clean_text($entry->summary, $entry->format);
} else {
if (!has_capability('moodle/blog:create', $sitecontext)) {
print_error('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)) {
print_error('wrongentryid', 'blog');
}
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)) {
print_error('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);
$PAGE->set_title("$SITE->shortname: $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');
$PAGE->set_title("$SITE->shortname: $editmodetitle");
$PAGE->set_heading(fullname($USER));
} else if ($action == 'edit') {
$editmodetitle = $strblogs . ': ' . get_string('editentry', 'blog');
$PAGE->set_title("$SITE->shortname: $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 = array('maxfiles' => 99, 'maxbytes' => $CFG->maxbytes, 'trusttext' => true, 'context' => $sitecontext,
'subdirs' => file_area_contains_subdirs($sitecontext, 'blog', 'post', $entry->id));
$attachmentoptions = array('subdirs' => false, 'maxfiles' => 99, 'maxbytes' => $CFG->maxbytes);
$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)) {
print_error('wrongentryid', 'blog');
}
$entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
break;
default :
print_error('invalidaction');
}
redirect($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)) {
print_error('wrongentryid', 'blog');
}
$strformheading = get_string('updateentrywithid', 'blog');
break;
default :
print_error('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;