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($CFG->libdir . '/simplepie/moodle_simplepie.php');
  31 require_once($CFG->dirroot.'/tag/lib.php');
  32
  33 require_login();
  34 $context = context_system::instance();
  35 require_capability('moodle/blog:manageexternal', $context);
  36
  37 // TODO redirect if $CFG->useexternalblogs is off,
  38 //                  $CFG->maxexternalblogsperuser == 0,
  39 //                  or if user doesn't have caps to manage external blogs.
  40
  41 $id = optional_param('id', null, PARAM_INT);
  42 $url = new moodle_url('/blog/external_blog_edit.php');
  43 if ($id !== null) {
  44     $url->param('id', $id);
  45 }
  46 $PAGE->set_url($url);
  47 $PAGE->set_context($context);
  48 $PAGE->set_pagelayout('admin');
  49
  50 $returnurl = new moodle_url('/blog/external_blogs.php');
  51
  52 $action = (empty($id)) ? 'add' : 'edit';
  53
  54 $external = new stdClass();
  55
  56 // Check that this id exists.
  57 if (!empty($id) && !$DB->record_exists('blog_external', array('id' => $id))) {
  58     print_error('wrongexternalid', 'blog');
  59 } else if (!empty($id)) {
  60     $external = $DB->get_record('blog_external', array('id' => $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', $newexternal);
  87             blog_sync_external_entries($newexternal);
  88             if ($CFG->usetags) {
  89                 $autotags = (!empty($data->autotags)) ? $data->autotags : null;
  90                 tag_set('blog_external', $newexternal->id, explode(',', $autotags), 'core',
  91                     context_user::instance($newexternal->userid)->id);
  92             }
  93
  94             break;
  95
  96         case 'edit':
  97             if ($data->id && $DB->record_exists('blog_external', array('id' => $data->id))) {
  98
  99                 $rss = new moodle_simplepie($data->url);
 100
 101                 $external->id = $data->id;
 102                 $external->name = (empty($data->name)) ? $rss->get_title() : $data->name;
 103                 $external->description = (empty($data->description)) ? $rss->get_description() : $data->description;
 104                 $external->userid = $USER->id;
 105                 $external->url = $data->url;
 106                 $external->filtertags = (!empty($data->filtertags)) ? $data->filtertags : null;
 107                 $external->timemodified = time();
 108
 109                 $DB->update_record('blog_external', $external);
 110                 if ($CFG->usetags) {
 111                     $autotags = (!empty($data->autotags)) ? $data->autotags : null;
 112                     tag_set('blog_external', $external->id, explode(',', $autotags), 'core',
 113                         context_user::instance($external->userid)->id);
 114                 }
 115             } else {
 116                 print_error('wrongexternalid', 'blog');
 117             }
 118
 119             break;
 120
 121         default :
 122             print_error('invalidaction');
 123     }
 124
 125     redirect($returnurl);
 126 }
 127
 128 $PAGE->set_heading("$SITE->shortname: $strblogs: $strexternalblogs", $SITE->fullname);
 129 $PAGE->set_title("$SITE->shortname: $strblogs: $strexternalblogs");
 130
 131 echo $OUTPUT->header();
 132 echo $OUTPUT->heading($strformheading, 2);
 133
 134 $externalblogform->set_data($external);
 135 $externalblogform->display();
 136
 137 echo $OUTPUT->footer();