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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/>.


/**
* List of external blogs for current user.
*
* @package moodlecore
* @subpackage blog
* @copyright 2009 Nicolas Connault
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/

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

require_login();
$context = context_system::instance();
$PAGE->set_context($context);
$PAGE->set_url(new moodle_url('/blog/external_blogs.php'));
require_capability('moodle/blog:manageexternal', $context);

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

$strexternalblogs = get_string('externalblogs','blog');
$straddnewexternalblog = get_string('addnewexternalblog','blog');
$strblogs = get_string('blogs','blog');
$message = null;

if ($delete && confirm_sesskey()) {
    $externalbloguserid = $DB->get_field('blog_external', 'userid', array('id' => $delete));
    if ($externalbloguserid == $USER->id) {
        // Delete the external blog
        $DB->delete_records('blog_external', array('id' => $delete));

        // Delete the external blog's posts
        $deletewhere = 'module = :module
AND userid = :userid
AND ' . $DB->sql_isnotempty('post', 'uniquehash', false, false) . '
AND ' . $DB->sql_compare_text('content') . ' = ' . $DB->sql_compare_text(':delete');
        $DB->delete_records_select('post', $deletewhere, array('module' => 'blog_external', 'userid' => $USER->id, 'delete' => $delete));

        $message = get_string('externalblogdeleted', 'blog');
    }
}

$blogs = $DB->get_records('blog_external', array('userid' => $USER->id));

$PAGE->set_heading("$SITE->shortname: $strblogs: $strexternalblogs", $SITE->fullname);
$PAGE->set_title("$SITE->shortname: $strblogs: $strexternalblogs");
$PAGE->set_pagelayout('standard');

echo $OUTPUT->header();
echo $OUTPUT->heading($strexternalblogs, 2);

if (!empty($message)) {
    echo $OUTPUT->notification($message);
}

echo $OUTPUT->box_start('generalbox boxaligncenter');

if (!empty($blogs)) {
    $table = new html_table();
    $table->cellpadding = 4;
    $table->attributes['class'] = 'generaltable boxaligncenter';
    $table->head = array(get_string('name'), get_string('url', 'blog'), get_string('timefetched', 'blog'), get_string('valid', 'blog'), get_string('actions'));

    foreach ($blogs as $blog) {
        if ($blog->failedlastsync) {
            $validicon = $OUTPUT->pix_icon('i/cross_red_big', get_string('feedisinvalid', 'blog'));
        } else {
            $validicon = $OUTPUT->pix_icon('i/tick_green_big', get_string('feedisvalid', 'blog'));
        }

        $editurl = new moodle_url('/blog/external_blog_edit.php', array('id' => $blog->id));
        $editicon = $OUTPUT->action_icon($editurl, new pix_icon('t/edit', get_string('editexternalblog', 'blog')));

        $deletelink = new moodle_url('/blog/external_blogs.php', array('delete' => $blog->id, 'sesskey'=>sesskey()));
        $deleteicon = $OUTPUT->action_icon($deletelink, new pix_icon('t/delete', get_string('deleteexternalblog', 'blog')));

        $table->data[] = new html_table_row(array($blog->name, $blog->url, userdate($blog->timefetched), $validicon, $editicon . '&nbsp'. $deleteicon));
    }
    echo html_writer::table($table);
}

$newexternalurl = new moodle_url('/blog/external_blog_edit.php');
echo html_writer::link($newexternalurl, $straddnewexternalblog);
echo $OUTPUT->box_end();
echo $OUTPUT->footer();
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