blog/external_blog_edit.php

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