Merge branch 'MDL-45339-master' of git://github.com/xow/moodle
[moodle.git] / 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/>.
18 /**
19  * Blog entry edit page
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 require_once(dirname(dirname(__FILE__)).'/config.php');
27 require_once('lib.php');
28 require_once('locallib.php');
30 $action   = required_param('action', PARAM_ALPHA);
31 $id       = optional_param('entryid', 0, PARAM_INT);
32 $confirm  = optional_param('confirm', 0, PARAM_BOOL);
33 $modid = optional_param('modid', 0, PARAM_INT); // To associate the entry with a module instance.
34 $courseid = optional_param('courseid', 0, PARAM_INT); // To associate the entry with a course.
36 if ($action == 'edit') {
37     $id = required_param('entryid', PARAM_INT);
38 }
40 $PAGE->set_url('/blog/edit.php', array('action' => $action,
41                                        'entryid' => $id,
42                                        'confirm' => $confirm,
43                                        'modid' => $modid,
44                                        'courseid' => $courseid));
46 // If action is add, we ignore $id to avoid any further problems.
47 if (!empty($id) && $action == 'add') {
48     $id = null;
49 }
51 // Blogs are always in system context.
52 $sitecontext = context_system::instance();
53 $PAGE->set_context($sitecontext);
55 require_login($courseid);
57 if (empty($CFG->enableblogs)) {
58     print_error('blogdisable', 'blog');
59 }
61 if (isguestuser()) {
62     print_error('noguestentry', 'blog');
63 }
65 $returnurl = new moodle_url('/blog/index.php');
67 if (!empty($courseid) && empty($modid)) {
68     $returnurl->param('courseid', $courseid);
69 }
71 // If a modid is given, guess courseid.
72 if (!empty($modid)) {
73     $returnurl->param('modid', $modid);
74     $courseid = $DB->get_field('course_modules', 'course', array('id' => $modid));
75     $returnurl->param('courseid', $courseid);
76 }
78 $blogheaders = blog_get_headers();
80 if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:manageentries', $sitecontext)) {
81     print_error('cannoteditentryorblog');
82 }
84 // Make sure that the person trying to edit has access right.
85 if ($id) {
86     if (!$entry = new blog_entry($id)) {
87         print_error('wrongentryid', 'blog');
88     }
90     if (!blog_user_can_edit_entry($entry)) {
91         print_error('notallowedtoedit', 'blog');
92     }
93     $userid = $entry->userid;
94     $entry->subject      = clean_text($entry->subject);
95     $entry->summary      = clean_text($entry->summary, $entry->format);
97 } else {
98     if (!has_capability('moodle/blog:create', $sitecontext)) {
99         print_error('noentry', 'blog'); // The capability "manageentries" is not enough for adding.
100     }
101     $entry  = new stdClass();
102     $entry->id = null;
103     $userid = $USER->id;
105 $returnurl->param('userid', $userid);
107 // Blog renderer.
108 $output = $PAGE->get_renderer('blog');
110 $strblogs = get_string('blogs', 'blog');
112 if ($action === 'delete') {
113     if (empty($entry->id)) {
114         print_error('wrongentryid', 'blog');
115     }
116     if (data_submitted() && $confirm && confirm_sesskey()) {
117         // Make sure the current user is the author of the blog entry, or has some deleteanyentry capability.
118         if (!blog_user_can_edit_entry($entry)) {
119             print_error('nopermissionstodeleteentry', 'blog');
120         } else {
121             $entry->delete();
122             blog_rss_delete_file($userid);
123             redirect($returnurl);
124         }
125     } else if (blog_user_can_edit_entry($entry)) {
126         $optionsyes = array('entryid'=>$id, 'action'=>'delete', 'confirm'=>1, 'sesskey'=>sesskey(), 'courseid'=>$courseid);
127         $optionsno = array('userid'=>$entry->userid, 'courseid'=>$courseid);
128         $PAGE->set_title("$SITE->shortname: $strblogs");
129         $PAGE->set_heading($SITE->fullname);
130         echo $OUTPUT->header();
132         // Output the entry.
133         $entry->prepare_render();
134         echo $output->render($entry);
136         echo '<br />';
137         echo $OUTPUT->confirm(get_string('blogdeleteconfirm', 'blog'),
138                               new moodle_url('edit.php', $optionsyes),
139                               new moodle_url('index.php', $optionsno));
140         echo $OUTPUT->footer();
141         die;
142     }
143 } else if ($action == 'add') {
144     $PAGE->set_title("$SITE->shortname: $strblogs: " . get_string('addnewentry', 'blog'));
145     $PAGE->set_heading($SITE->shortname);
146 } else if ($action == 'edit') {
147     $PAGE->set_title("$SITE->shortname: $strblogs: " . get_string('editentry', 'blog'));
148     $PAGE->set_heading($SITE->shortname);
151 if (!empty($entry->id)) {
152     if ($CFG->useblogassociations && ($blogassociations = $DB->get_records('blog_association', array('blogid' => $entry->id)))) {
154         foreach ($blogassociations as $assocrec) {
155             $context = context::instance_by_id($assocrec->contextid);
157             switch ($context->contextlevel) {
158                 case CONTEXT_COURSE:
159                     $entry->courseassoc = $assocrec->contextid;
160                     break;
161                 case CONTEXT_MODULE:
162                     $entry->modassoc = $assocrec->contextid;
163                     break;
164             }
165         }
166     }
169 require_once('edit_form.php');
170 $summaryoptions = array('maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>true, 'context'=>$sitecontext,
171     'subdirs'=>file_area_contains_subdirs($sitecontext, 'blog', 'post', $entry->id));
172 $attachmentoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes);
174 $blogeditform = new blog_edit_form(null, compact('entry',
175                                                  'summaryoptions',
176                                                  'attachmentoptions',
177                                                  'sitecontext',
178                                                  'courseid',
179                                                  'modid'));
181 $entry = file_prepare_standard_editor($entry, 'summary', $summaryoptions, $sitecontext, 'blog', 'post', $entry->id);
182 $entry = file_prepare_standard_filemanager($entry,
183                                            'attachment',
184                                            $attachmentoptions,
185                                            $sitecontext,
186                                            'blog',
187                                            'attachment',
188                                            $entry->id);
190 if (!empty($CFG->usetags) && !empty($entry->id)) {
191     include_once($CFG->dirroot.'/tag/lib.php');
192     $entry->tags = tag_get_tags_array('post', $entry->id);
195 $entry->action = $action;
196 // Set defaults.
197 $blogeditform->set_data($entry);
199 if ($blogeditform->is_cancelled()) {
200     redirect($returnurl);
202 } else if ($data = $blogeditform->get_data()) {
204     switch ($action) {
205         case 'add':
206             $blogentry = new blog_entry(null, $data, $blogeditform);
207             $blogentry->add();
208             $blogentry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
209         break;
211         case 'edit':
212             if (empty($entry->id)) {
213                 print_error('wrongentryid', 'blog');
214             }
216             $entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
217         break;
219         default :
220             print_error('invalidaction');
221     }
223     redirect($returnurl);
227 // GUI setup.
228 switch ($action) {
229     case 'add':
230         // Prepare new empty form.
231         $entry->publishstate = 'site';
232         $strformheading = get_string('addnewentry', 'blog');
233         $entry->action       = $action;
235         if ($CFG->useblogassociations) {
237             // Pre-select the course for associations.
238             if ($courseid) {
239                 $context = context_course::instance($courseid);
240                 $entry->courseassoc = $context->id;
241             }
243             // Pre-select the mod for associations.
244             if ($modid) {
245                 $context = context_module::instance($modid);
246                 $entry->modassoc = $context->id;
247             }
248         }
249         break;
251     case 'edit':
252         if (empty($entry->id)) {
253             print_error('wrongentryid', 'blog');
254         }
255         $entry->tags = tag_get_tags_array('post', $entry->id);
256         $strformheading = get_string('updateentrywithid', 'blog');
258         break;
260     default :
261         print_error('unknowaction');
264 $entry->modid = $modid;
265 $entry->courseid = $courseid;
267 echo $OUTPUT->header();
268 $blogeditform->display();
269 echo $OUTPUT->footer();
271 die;