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  * 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');
  29 require_once($CFG->dirroot .'/comment/lib.php');
  30
  31 $action   = required_param('action', PARAM_ALPHA);
  32 $id       = optional_param('entryid', 0, PARAM_INT);
  33 $confirm  = optional_param('confirm', 0, PARAM_BOOL);
  34 $modid = optional_param('modid', 0, PARAM_INT); // To associate the entry with a module instance.
  35 $courseid = optional_param('courseid', 0, PARAM_INT); // To associate the entry with a course.
  36
  37 if ($action == 'edit') {
  38     $id = required_param('entryid', PARAM_INT);
  39 }
  40
  41 $PAGE->set_url('/blog/edit.php', array('action' => $action,
  42                                        'entryid' => $id,
  43                                        'confirm' => $confirm,
  44                                        'modid' => $modid,
  45                                        'courseid' => $courseid));
  46
  47 // If action is add, we ignore $id to avoid any further problems.
  48 if (!empty($id) && $action == 'add') {
  49     $id = null;
  50 }
  51
  52 $entry = new stdClass();
  53 $entry->id = null;
  54
  55 if ($id) {
  56     if (!$entry = new blog_entry($id)) {
  57         print_error('wrongentryid', 'blog');
  58     }
  59     $userid = $entry->userid;
  60 } else {
  61     $userid = $USER->id;
  62 }
  63
  64 $sitecontext = context_system::instance();
  65 $usercontext = context_user::instance($userid);
  66 if ($modid) {
  67     $PAGE->set_context($sitecontext);
  68 } else {
  69     $PAGE->set_context($usercontext);
  70     $blognode = $PAGE->settingsnav->find('blogadd', null);
  71     $blognode->make_active();
  72 }
  73
  74 require_login($courseid);
  75
  76 if (empty($CFG->enableblogs)) {
  77     print_error('blogdisable', 'blog');
  78 }
  79
  80 if (isguestuser()) {
  81     print_error('noguestentry', 'blog');
  82 }
  83
  84 $returnurl = new moodle_url('/blog/index.php');
  85
  86 if (!empty($courseid) && empty($modid)) {
  87     $returnurl->param('courseid', $courseid);
  88 }
  89
  90 // If a modid is given, guess courseid.
  91 if (!empty($modid)) {
  92     $returnurl->param('modid', $modid);
  93     $courseid = $DB->get_field('course_modules', 'course', array('id' => $modid));
  94     $returnurl->param('courseid', $courseid);
  95 }
  96
  97 $blogheaders = blog_get_headers();
  98
  99 if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:manageentries', $sitecontext)) {
 100     print_error('cannoteditentryorblog');
 101 }
 102
 103 // Make sure that the person trying to edit has access right.
 104 if ($id) {
 105     if (!blog_user_can_edit_entry($entry)) {
 106         print_error('notallowedtoedit', 'blog');
 107     }
 108     $entry->subject      = clean_text($entry->subject);
 109     $entry->summary      = clean_text($entry->summary, $entry->format);
 110 } else {
 111     if (!has_capability('moodle/blog:create', $sitecontext)) {
 112         print_error('noentry', 'blog'); // The capability "manageentries" is not enough for adding.
 113     }
 114 }
 115 $returnurl->param('userid', $userid);
 116
 117 // Blog renderer.
 118 $output = $PAGE->get_renderer('blog');
 119
 120 $strblogs = get_string('blogs', 'blog');
 121
 122 if ($action === 'delete') {
 123     // Init comment JS strings.
 124     comment::init();
 125
 126     if (empty($entry->id)) {
 127         print_error('wrongentryid', 'blog');
 128     }
 129     if (data_submitted() && $confirm && confirm_sesskey()) {
 130         // Make sure the current user is the author of the blog entry, or has some deleteanyentry capability.
 131         if (!blog_user_can_edit_entry($entry)) {
 132             print_error('nopermissionstodeleteentry', 'blog');
 133         } else {
 134             $entry->delete();
 135             blog_rss_delete_file($userid);
 136             redirect($returnurl);
 137         }
 138     } else if (blog_user_can_edit_entry($entry)) {
 139         $optionsyes = array('entryid'=>$id, 'action'=>'delete', 'confirm'=>1, 'sesskey'=>sesskey(), 'courseid'=>$courseid);
 140         $optionsno = array('userid'=>$entry->userid, 'courseid'=>$courseid);
 141         $PAGE->set_title("$SITE->shortname: $strblogs");
 142         $PAGE->set_heading($SITE->fullname);
 143         echo $OUTPUT->header();
 144
 145         // Output edit mode title.
 146         echo $OUTPUT->heading($strblogs . ': ' . get_string('deleteentry', 'blog'), 2);
 147
 148         echo $OUTPUT->confirm(get_string('blogdeleteconfirm', 'blog'),
 149                               new moodle_url('edit.php', $optionsyes),
 150                               new moodle_url('index.php', $optionsno));
 151
 152         echo '<br />';
 153         // Output the entry.
 154         $entry->prepare_render();
 155         echo $output->render($entry);
 156
 157         echo $OUTPUT->footer();
 158         die;
 159     }
 160 } else if ($action == 'add') {
 161     $editmodetitle = $strblogs . ': ' . get_string('addnewentry', 'blog');
 162     $PAGE->set_title("$SITE->shortname: $editmodetitle");
 163     $PAGE->set_heading(fullname($USER));
 164 } else if ($action == 'edit') {
 165     $editmodetitle = $strblogs . ': ' . get_string('editentry', 'blog');
 166     $PAGE->set_title("$SITE->shortname: $editmodetitle");
 167     $PAGE->set_heading(fullname($USER));
 168 }
 169
 170 if (!empty($entry->id)) {
 171     if ($CFG->useblogassociations && ($blogassociations = $DB->get_records('blog_association', array('blogid' => $entry->id)))) {
 172
 173         foreach ($blogassociations as $assocrec) {
 174             $context = context::instance_by_id($assocrec->contextid);
 175
 176             switch ($context->contextlevel) {
 177                 case CONTEXT_COURSE:
 178                     $entry->courseassoc = $assocrec->contextid;
 179                     break;
 180                 case CONTEXT_MODULE:
 181                     $entry->modassoc = $assocrec->contextid;
 182                     break;
 183             }
 184         }
 185     }
 186 }
 187
 188 require_once('edit_form.php');
 189 $summaryoptions = array('maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>true, 'context'=>$sitecontext,
 190     'subdirs'=>file_area_contains_subdirs($sitecontext, 'blog', 'post', $entry->id));
 191 $attachmentoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes);
 192
 193 $blogeditform = new blog_edit_form(null, compact('entry',
 194                                                  'summaryoptions',
 195                                                  'attachmentoptions',
 196                                                  'sitecontext',
 197                                                  'courseid',
 198                                                  'modid'));
 199
 200 $entry = file_prepare_standard_editor($entry, 'summary', $summaryoptions, $sitecontext, 'blog', 'post', $entry->id);
 201 $entry = file_prepare_standard_filemanager($entry,
 202                                            'attachment',
 203                                            $attachmentoptions,
 204                                            $sitecontext,
 205                                            'blog',
 206                                            'attachment',
 207                                            $entry->id);
 208
 209 if (!empty($CFG->usetags) && !empty($entry->id)) {
 210     include_once($CFG->dirroot.'/tag/lib.php');
 211     $entry->tags = tag_get_tags_array('post', $entry->id);
 212 }
 213
 214 $entry->action = $action;
 215 // Set defaults.
 216 $blogeditform->set_data($entry);
 217
 218 if ($blogeditform->is_cancelled()) {
 219     redirect($returnurl);
 220
 221 } else if ($data = $blogeditform->get_data()) {
 222
 223     switch ($action) {
 224         case 'add':
 225             $blogentry = new blog_entry(null, $data, $blogeditform);
 226             $blogentry->add();
 227             $blogentry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
 228         break;
 229
 230         case 'edit':
 231             if (empty($entry->id)) {
 232                 print_error('wrongentryid', 'blog');
 233             }
 234
 235             $entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
 236         break;
 237
 238         default :
 239             print_error('invalidaction');
 240     }
 241
 242     redirect($returnurl);
 243 }
 244
 245
 246 // GUI setup.
 247 switch ($action) {
 248     case 'add':
 249         // Prepare new empty form.
 250         $entry->publishstate = 'site';
 251         $strformheading = get_string('addnewentry', 'blog');
 252         $entry->action       = $action;
 253
 254         if ($CFG->useblogassociations) {
 255
 256             // Pre-select the course for associations.
 257             if ($courseid) {
 258                 $context = context_course::instance($courseid);
 259                 $entry->courseassoc = $context->id;
 260             }
 261
 262             // Pre-select the mod for associations.
 263             if ($modid) {
 264                 $context = context_module::instance($modid);
 265                 $entry->modassoc = $context->id;
 266             }
 267         }
 268         break;
 269
 270     case 'edit':
 271         if (empty($entry->id)) {
 272             print_error('wrongentryid', 'blog');
 273         }
 274         $entry->tags = tag_get_tags_array('post', $entry->id);
 275         $strformheading = get_string('updateentrywithid', 'blog');
 276
 277         break;
 278
 279     default :
 280         print_error('unknowaction');
 281 }
 282
 283 $entry->modid = $modid;
 284 $entry->courseid = $courseid;
 285
 286 echo $OUTPUT->header();
 287 // Output title for editing mode.
 288 if (isset($editmodetitle)) {
 289     echo $OUTPUT->heading($editmodetitle, 2);
 290 }
 291 $blogeditform->display();
 292 echo $OUTPUT->footer();
 293
 294 die;