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