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