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187 lines
5.9 KiB
187 lines
5.9 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* file index.php
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* index page to view blogs. if no blog is specified then site wide entries are shown
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* if a blog id is specified then the latest entries from that blog are shown
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*/
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require_once(__DIR__ . '/../config.php');
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require_once($CFG->dirroot .'/blog/lib.php');
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require_once($CFG->dirroot .'/blog/locallib.php');
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require_once($CFG->dirroot .'/course/lib.php');
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require_once($CFG->dirroot .'/comment/lib.php');
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$id = optional_param('id', null, PARAM_INT);
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$start = optional_param('formstart', 0, PARAM_INT);
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$tag = optional_param('tag', '', PARAM_NOTAGS);
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$userid = optional_param('userid', null, PARAM_INT);
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$tagid = optional_param('tagid', null, PARAM_INT);
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$modid = optional_param('modid', null, PARAM_INT);
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$entryid = optional_param('entryid', null, PARAM_INT);
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$groupid = optional_param('groupid', null, PARAM_INT);
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$courseid = optional_param('courseid', null, PARAM_INT);
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$search = optional_param('search', null, PARAM_RAW);
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comment::init();
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$urlparams = compact('id', 'start', 'tag', 'userid', 'tagid', 'modid', 'entryid', 'groupid', 'courseid', 'search');
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foreach ($urlparams as $var => $val) {
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if (empty($val)) {
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unset($urlparams[$var]);
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}
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}
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$PAGE->set_url('/blog/index.php', $urlparams);
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// Correct tagid if a text tag is provided as a param.
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if (!empty($tag)) {
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if ($tagrec = $DB->get_record('tag', array('name' => $tag))) {
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$tagid = $tagrec->id;
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} else {
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unset($tagid);
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}
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}
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// Set the userid to the entry author if we have the entry ID.
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if ($entryid and !isset($userid)) {
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$entry = new blog_entry($entryid);
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$userid = $entry->userid;
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}
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if (isset($userid) && empty($courseid) && empty($modid)) {
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$context = context_user::instance($userid);
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} else if (!empty($courseid) && $courseid != SITEID) {
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$context = context_course::instance($courseid);
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} else {
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$context = context_system::instance();
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}
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$PAGE->set_context($context);
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if (isset($userid) && $USER->id == $userid) {
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$blognode = $PAGE->navigation->find('siteblog', null);
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if ($blognode) {
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$blognode->make_inactive();
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}
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}
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// Check basic permissions.
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if ($CFG->bloglevel == BLOG_GLOBAL_LEVEL) {
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// Everybody can see anything - no login required unless site is locked down using forcelogin.
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if ($CFG->forcelogin) {
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require_login();
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}
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} else if ($CFG->bloglevel == BLOG_SITE_LEVEL) {
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// Users must log in and can not be guests.
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require_login();
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if (isguestuser()) {
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// They must have entered the url manually.
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print_error('noguest');
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}
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} else if ($CFG->bloglevel == BLOG_USER_LEVEL) {
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// Users can see own blogs only! with the exception of people with special cap.
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require_login();
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} else {
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// Weird!
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print_error('blogdisable', 'blog');
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}
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if (empty($CFG->enableblogs)) {
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print_error('blogdisable', 'blog');
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}
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list($courseid, $userid) = blog_validate_access($courseid, $modid, $groupid, $entryid, $userid);
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$courseid = (empty($courseid)) ? SITEID : $courseid;
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if ($courseid != SITEID) {
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$course = get_course($courseid);
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require_login($course);
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}
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if (!empty($userid)) {
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$user = core_user::get_user($userid);
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$PAGE->navigation->extend_for_user($user);
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}
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$blogheaders = blog_get_headers();
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$rsscontext = null;
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$filtertype = null;
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$thingid = null;
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$rsstitle = '';
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if ($CFG->enablerssfeeds) {
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list($thingid, $rsscontext, $filtertype) = blog_rss_get_params($blogheaders['filters']);
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if (empty($rsscontext)) {
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$rsscontext = context_system::instance();
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}
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$rsstitle = $blogheaders['heading'];
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// Check we haven't started output by outputting an error message.
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if ($PAGE->state == moodle_page::STATE_BEFORE_HEADER) {
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blog_rss_add_http_header($rsscontext, $rsstitle, $filtertype, $thingid, $tagid);
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}
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}
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$usernode = $PAGE->navigation->find('user'.$userid, null);
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if ($usernode && $courseid != SITEID) {
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$courseblogsnode = $PAGE->navigation->find('courseblogs', null);
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if ($courseblogsnode) {
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$courseblogsnode->remove();
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}
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$blogurl = new moodle_url($PAGE->url);
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$blognode = $usernode->add(get_string('blogscourse', 'blog'), $blogurl);
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$blognode->make_active();
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}
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if ($courseid != SITEID) {
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$PAGE->set_heading($course->fullname);
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echo $OUTPUT->header();
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if (!empty($user)) {
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$headerinfo = array('heading' => fullname($user), 'user' => $user);
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echo $OUTPUT->context_header($headerinfo, 2);
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}
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} else if (isset($userid)) {
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$PAGE->set_heading(fullname($user));
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echo $OUTPUT->header();
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} else if ($courseid == SITEID) {
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echo $OUTPUT->header();
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}
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echo $OUTPUT->heading($blogheaders['heading'], 2);
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$bloglisting = new blog_listing($blogheaders['filters']);
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$bloglisting->print_entries();
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if ($CFG->enablerssfeeds) {
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blog_rss_print_link($rsscontext, $filtertype, $thingid, $tagid, get_string('rssfeed', 'blog'));
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}
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echo $OUTPUT->footer();
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$eventparams = array(
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'other' => array('entryid' => $entryid, 'tagid' => $tagid, 'userid' => $userid, 'modid' => $modid, 'groupid' => $groupid,
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'search' => $search, 'fromstart' => $start)
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);
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if (!empty($userid)) {
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$eventparams['relateduserid'] = $userid;
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}
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$eventparams['other']['courseid'] = ($courseid === SITEID) ? 0 : $courseid;
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$event = \core\event\blog_entries_viewed::create($eventparams);
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$event->trigger();
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