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/>.

/**

 * file index.php

 * index page to view blogs. if no blog is specified then site wide entries are shown

 * if a blog id is specified then the latest entries from that blog are shown

 */

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

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

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

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

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

$id       = optional_param('id', null, PARAM_INT);

$start    = optional_param('formstart', 0, PARAM_INT);

$tag      = optional_param('tag', '', PARAM_NOTAGS);

$userid   = optional_param('userid', null, PARAM_INT);

$tagid    = optional_param('tagid', null, PARAM_INT);

$modid    = optional_param('modid', null, PARAM_INT);

$entryid  = optional_param('entryid', null, PARAM_INT);

$groupid  = optional_param('groupid', null, PARAM_INT);

$courseid = optional_param('courseid', null, PARAM_INT);

$search   = optional_param('search', null, PARAM_RAW);

comment::init();

$urlparams = compact('id', 'start', 'tag', 'userid', 'tagid', 'modid', 'entryid', 'groupid', 'courseid', 'search');

foreach ($urlparams as $var => $val) {

    if (empty($val)) {

        unset($urlparams[$var]);

    }

}

$PAGE->set_url('/blog/index.php', $urlparams);

// Correct tagid if a text tag is provided as a param.

if (!empty($tag)) {

    if ($tagrec = $DB->get_record('tag', array('name' => $tag))) {

        $tagid = $tagrec->id;

    } else {

        unset($tagid);

    }

}

// Set the userid to the entry author if we have the entry ID.

if ($entryid and !isset($userid)) {

    $entry = new blog_entry($entryid);

    $userid = $entry->userid;

}

if (isset($userid) && empty($courseid) && empty($modid)) {

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

} else if (!empty($courseid) && $courseid != SITEID) {

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

} else {

    $context = context_system::instance();

}

$PAGE->set_context($context);

if (isset($userid) && $USER->id == $userid && !$PAGE->has_secondary_navigation()) {

    $blognode = $PAGE->navigation->find('siteblog', null);

    if ($blognode) {

        $blognode->make_inactive();

    }

}

// Check basic permissions.

if ($CFG->bloglevel == BLOG_GLOBAL_LEVEL) {

    // Everybody can see anything - no login required unless site is locked down using forcelogin.

    if ($CFG->forcelogin) {

        require_login();

    }

} else if ($CFG->bloglevel == BLOG_SITE_LEVEL) {

    // Users must log in and can not be guests.

    require_login();

    if (isguestuser()) {

        // They must have entered the url manually.

        throw new \moodle_exception('noguest');

    }

} else if ($CFG->bloglevel == BLOG_USER_LEVEL) {

    // Users can see own blogs only! with the exception of people with special cap.

    require_login();

} else {

    // Weird!

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

}

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

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

}

list($courseid, $userid) = blog_validate_access($courseid, $modid, $groupid, $entryid, $userid);

$courseid = (empty($courseid)) ? SITEID : $courseid;

if ($courseid != SITEID) {

    $course = get_course($courseid);

    require_login($course);

}

if (!empty($userid)) {

    $user = core_user::get_user($userid, '*', MUST_EXIST);

    $PAGE->navigation->extend_for_user($user);

}

$blogheaders = blog_get_headers();

$rsscontext = null;

$filtertype = null;

$thingid = null;

$rsstitle = '';

if ($CFG->enablerssfeeds) {

    list($thingid, $rsscontext, $filtertype) = blog_rss_get_params($blogheaders['filters']);

    if (empty($rsscontext)) {

        $rsscontext = context_system::instance();

    }

    $rsstitle = $blogheaders['heading'];

    // Check we haven't started output by outputting an error message.

    if ($PAGE->state == moodle_page::STATE_BEFORE_HEADER) {

        blog_rss_add_http_header($rsscontext, $rsstitle, $filtertype, $thingid, $tagid);

    }

}

$usernode = $PAGE->navigation->find('user'.$userid, null);

if ($usernode && $courseid != SITEID) {

    $courseblogsnode = $PAGE->navigation->find('courseblogs', null);

    if ($courseblogsnode) {

        $courseblogsnode->remove();

    }

    $blogurl = new moodle_url($PAGE->url);

    $blognode = $usernode->add(get_string('blogscourse', 'blog'), $blogurl);

    $blognode->make_active();

}

if ($courseid != SITEID) {

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

    echo $OUTPUT->header();

    if (!empty($user)) {

        $backurl = new moodle_url('/user/view.php', ['id' => $user->id, 'course' => $courseid]);

        echo $OUTPUT->single_button($backurl, get_string('back'), 'get', ['class' => 'mb-3']);

        $headerinfo = array('heading' => fullname($user), 'user' => $user);

        echo $OUTPUT->context_header($headerinfo, 2);

    }

} else if (isset($userid)) {

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

    echo $OUTPUT->header();

} else if ($courseid == SITEID) {

    echo $OUTPUT->header();

}

echo $OUTPUT->heading($blogheaders['heading'], 2);

$bloglisting = new blog_listing($blogheaders['filters']);

$bloglisting->print_entries();

if ($CFG->enablerssfeeds) {

    blog_rss_print_link($rsscontext, $filtertype, $thingid, $tagid, get_string('rssfeed', 'blog'));

}

echo $OUTPUT->footer();

$eventparams = array(

    'other' => array('entryid' => $entryid, 'tagid' => $tagid, 'userid' => $userid, 'modid' => $modid, 'groupid' => $groupid,

                     'search' => $search, 'fromstart' => $start)

);

if (!empty($userid)) {

    $eventparams['relateduserid'] = $userid;

}

$eventparams['other']['courseid'] = ($courseid === SITEID) ? 0 : $courseid;

$event = \core\event\blog_entries_viewed::create($eventparams);

$event->trigger();