blog/external_blog_edit.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 /**
  19  * Form page for an external blog link.
  20  *
  21  * @package    moodlecore
  22  * @subpackage blog
  23  * @copyright  2009 Nicolas Connault
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require_once('../config.php');
  28 require_once('lib.php');
  29 require_once('external_blog_edit_form.php');
  30 require_once($CFG->libdir . '/simplepie/moodle_simplepie.php');
  31
  32 require_login();
  33 $context = context_system::instance();
  34 require_capability('moodle/blog:manageexternal', $context);
  35
  36 // TODO redirect if $CFG->useexternalblogs is off,
  37 //                  $CFG->maxexternalblogsperuser == 0,
  38 //                  or if user doesn't have caps to manage external blogs.
  39
  40 $id = optional_param('id', null, PARAM_INT);
  41 $url = new moodle_url('/blog/external_blog_edit.php');
  42 if ($id !== null) {
  43     $url->param('id', $id);
  44 }
  45 $PAGE->set_url($url);
  46 $PAGE->set_context(context_user::instance($USER->id));
  47 $PAGE->set_pagelayout('admin');
  48
  49 $returnurl = new moodle_url('/blog/external_blogs.php');
  50
  51 $action = (empty($id)) ? 'add' : 'edit';
  52
  53 $external = new stdClass();
  54
  55 // Retrieve the external blog record.
  56 if (!empty($id)) {
  57     if (!$external = $DB->get_record('blog_external', array('id' => $id, 'userid' => $USER->id))) {
  58         throw new \moodle_exception('wrongexternalid', 'blog');
  59     }
  60     $external->autotags = core_tag_tag::get_item_tags_array('core', 'blog_external', $id);
  61 }
  62
  63 $strformheading = ($action == 'edit') ? get_string('editexternalblog', 'blog') : get_string('addnewexternalblog', 'blog');
  64 $strexternalblogs = get_string('externalblogs', 'blog');
  65 $strblogs = get_string('blogs', 'blog');
  66
  67 $externalblogform = new blog_edit_external_form();
  68
  69 if ($externalblogform->is_cancelled()) {
  70     redirect($returnurl);
  71
  72 } else if ($data = $externalblogform->get_data()) {
  73     // Save stuff in db.
  74     switch ($action) {
  75         case 'add':
  76             $rss = new moodle_simplepie($data->url);
  77
  78             $newexternal = new stdClass();
  79             $newexternal->name = (empty($data->name)) ? $rss->get_title() : $data->name;
  80             $newexternal->description = (empty($data->description)) ? $rss->get_description() : $data->description;
  81             $newexternal->userid = $USER->id;
  82             $newexternal->url = $data->url;
  83             $newexternal->filtertags = (!empty($data->filtertags)) ? $data->filtertags : null;
  84             $newexternal->timemodified = time();
  85
  86             $newexternal->id = $DB->insert_record('blog_external', $newexternal);
  87             core_tag_tag::set_item_tags('core', 'blog_external', $newexternal->id,
  88                     context_user::instance($newexternal->userid), $data->autotags);
  89             blog_sync_external_entries($newexternal);
  90
  91             // Log this action.
  92             $eventparms = array('context' => $context,
  93                 'objectid' => $newexternal->id,
  94                 'other' => array('url' => $newexternal->url));
  95             $event = \core\event\blog_external_added::create($eventparms);
  96             $event->trigger();
  97
  98             break;
  99
 100         case 'edit':
 101             if ($data->id && $DB->record_exists('blog_external', array('id' => $data->id))) {
 102
 103                 $rss = new moodle_simplepie($data->url);
 104
 105                 $external->id = $data->id;
 106                 $external->name = (empty($data->name)) ? $rss->get_title() : $data->name;
 107                 $external->description = (empty($data->description)) ? $rss->get_description() : $data->description;
 108                 $external->userid = $USER->id;
 109                 $external->url = $data->url;
 110                 $external->filtertags = (!empty($data->filtertags)) ? $data->filtertags : null;
 111                 $external->timemodified = time();
 112
 113                 $DB->update_record('blog_external', $external);
 114
 115                 // Log this action.
 116                 $eventparms = array('context' => $context,
 117                     'objectid' => $external->id,
 118                     'other' => array('url' => $external->url));
 119                 $event = \core\event\blog_external_updated::create($eventparms);
 120                 $event->trigger();
 121
 122                 core_tag_tag::set_item_tags('core', 'blog_external', $external->id,
 123                         context_user::instance($external->userid), $data->autotags);
 124             } else {
 125                 throw new \moodle_exception('wrongexternalid', 'blog');
 126             }
 127
 128             break;
 129
 130         default :
 131             throw new \moodle_exception('invalidaction');
 132     }
 133
 134     redirect($returnurl);
 135 }
 136
 137 navigation_node::override_active_url(new moodle_url('/blog/external_blogs.php'));
 138 $PAGE->navbar->add(get_string('addnewexternalblog', 'blog'));
 139
 140 $PAGE->set_heading(fullname($USER));
 141 $PAGE->set_title("$SITE->shortname: $strblogs: $strexternalblogs");
 142
 143 echo $OUTPUT->header();
 144 echo $OUTPUT->heading($strformheading, 2);
 145
 146 $externalblogform->set_data($external);
 147 $externalblogform->display();
 148
 149 echo $OUTPUT->footer();