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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(dirname(dirname(__FILE__)).'/config.php');
include_once('lib.php');
include_once('locallib.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
$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;
}
$returnurl = new moodle_url('/blog/index.php');
if (!empty($courseid) && empty($modid)) {
$returnurl->param('courseid', $courseid);
$PAGE->set_context(context_course::instance($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);
$PAGE->set_context(context_module::instance($modid));
}
// If courseid is empty use the system context
if (empty($courseid)) {
$PAGE->set_context(context_system::instance());
}
$blogheaders = blog_get_headers();
require_login($courseid);
if ($action == 'edit') {
$id = required_param('entryid', PARAM_INT);
}
if (empty($CFG->bloglevel)) {
print_error('blogdisable', 'blog');
}
if (isguestuser()) {
print_error('noguestentry', 'blog');
}
$sitecontext = context_system::instance();
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 (!$entry = new blog_entry($id)) {
print_error('wrongentryid', 'blog');
}
if (!blog_user_can_edit_entry($entry)) {
print_error('notallowedtoedit', 'blog');
}
$userid = $entry->userid;
$entry->subject = clean_text($entry->subject);
$entry->summary = clean_text($entry->summary, $entry->format);
} else {
if (!has_capability('moodle/blog:create', $sitecontext)) {
print_error('noentry', 'blog'); // manageentries is not enough for adding
}
$entry = new stdClass();
$entry->id = null;
$userid = $USER->id;
}
$returnurl->param('userid', $userid);
// Blog renderer.
$output = $PAGE->get_renderer('blog');
$strblogs = get_string('blogs','blog');
if ($action === 'delete'){
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 {
$entry->delete();
redirect($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 the entry.
$entry->prepare_render();
echo $output->render($entry);
echo '<br />';
echo $OUTPUT->confirm(get_string('blogdeleteconfirm', 'blog'), new moodle_url('edit.php', $optionsyes),new moodle_url( 'index.php', $optionsno));
echo $OUTPUT->footer();
die;
}
} else if ($action == 'add') {
$PAGE->set_title("$SITE->shortname: $strblogs: " . get_string('addnewentry', 'blog'));
$PAGE->set_heading($SITE->shortname);
} else if ($action == 'edit') {
$PAGE->set_title("$SITE->shortname: $strblogs: " . get_string('editentry', 'blog'));
$PAGE->set_heading($SITE->shortname);
}
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;
}
}
}
}
require_once('edit_form.php');
$summaryoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>true, 'context'=>$sitecontext);
$attachmentoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$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', $entry->id);
if (!empty($CFG->usetags) && !empty($entry->id)) {
include_once($CFG->dirroot.'/tag/lib.php');
$entry->tags = tag_get_tags_array('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');
}
$entry->tags = tag_get_tags_array('post', $entry->id);
$strformheading = get_string('updateentrywithid', 'blog');
break;
default :
print_error('unknowaction');
}
$entry->modid = $modid;
$entry->courseid = $courseid;
echo $OUTPUT->header();
$blogeditform->display();
echo $OUTPUT->footer();
die;
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