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 $PAGE->set_url('/blog/edit.php', array('action' => $action, 'entryid' => $id, 'confirm' => $confirm, 'modid' => $modid, 'courseid' => $courseid));
  38
  39 // If action is add, we ignore $id to avoid any further problems
  40 if (!empty($id) && $action == 'add') {
  41     $id = null;
  42 }
  43
  44 $returnurl = new moodle_url('/blog/index.php');
  45
  46 if (!empty($courseid) && empty($modid)) {
  47     $returnurl->param('courseid', $courseid);
  48 }
  49
  50 // If a modid is given, guess courseid
  51 if (!empty($modid)) {
  52     $returnurl->param('modid', $modid);
  53     $courseid = $DB->get_field('course_modules', 'course', array('id' => $modid));
  54     $returnurl->param('courseid', $courseid);
  55 }
  56
  57 // Blogs are always in system context.
  58 $sitecontext = context_system::instance();
  59 $PAGE->set_context($sitecontext);
  60
  61
  62 $blogheaders = blog_get_headers();
  63
  64 require_login($courseid);
  65
  66 if ($action == 'edit') {
  67     $id = required_param('entryid', PARAM_INT);
  68 }
  69
  70 if (empty($CFG->enableblogs)) {
  71     print_error('blogdisable', 'blog');
  72 }
  73
  74 if (isguestuser()) {
  75     print_error('noguestentry', 'blog');
  76 }
  77
  78 if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:manageentries', $sitecontext)) {
  79     print_error('cannoteditentryorblog');
  80 }
  81
  82 // Make sure that the person trying to edit has access right
  83 if ($id) {
  84     if (!$entry = new blog_entry($id)) {
  85         print_error('wrongentryid', 'blog');
  86     }
  87
  88     if (!blog_user_can_edit_entry($entry)) {
  89         print_error('notallowedtoedit', 'blog');
  90     }
  91     $userid = $entry->userid;
  92     $entry->subject      = clean_text($entry->subject);
  93     $entry->summary      = clean_text($entry->summary, $entry->format);
  94
  95 } else {
  96     if (!has_capability('moodle/blog:create', $sitecontext)) {
  97         print_error('noentry', 'blog'); // manageentries is not enough for adding
  98     }
  99     $entry  = new stdClass();
 100     $entry->id = null;
 101     $userid = $USER->id;
 102 }
 103 $returnurl->param('userid', $userid);
 104
 105 // Blog renderer.
 106 $output = $PAGE->get_renderer('blog');
 107
 108 $strblogs = get_string('blogs','blog');
 109
 110 if ($action === 'delete'){
 111     if (empty($entry->id)) {
 112         print_error('wrongentryid', 'blog');
 113     }
 114     if (data_submitted() && $confirm && confirm_sesskey()) {
 115         // Make sure the current user is the author of the blog entry, or has some deleteanyentry capability
 116         if (!blog_user_can_edit_entry($entry)) {
 117             print_error('nopermissionstodeleteentry', 'blog');
 118         } else {
 119             $entry->delete();
 120             redirect($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 $summaryoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>true, 'context'=>$sitecontext);
 166 $attachmentoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes);
 167
 168 $blogeditform = new blog_edit_form(null, compact('entry', 'summaryoptions', 'attachmentoptions', 'sitecontext', 'courseid', 'modid'));
 169
 170 $entry = file_prepare_standard_editor($entry, 'summary', $summaryoptions, $sitecontext, 'blog', 'post', $entry->id);
 171 $entry = file_prepare_standard_filemanager($entry, 'attachment', $attachmentoptions, $sitecontext, 'blog', 'attachment', $entry->id);
 172
 173 if (!empty($CFG->usetags) && !empty($entry->id)) {
 174     include_once($CFG->dirroot.'/tag/lib.php');
 175     $entry->tags = tag_get_tags_array('post', $entry->id);
 176 }
 177
 178 $entry->action = $action;
 179 // set defaults
 180 $blogeditform->set_data($entry);
 181
 182 if ($blogeditform->is_cancelled()) {
 183     redirect($returnurl);
 184
 185 } else if ($data = $blogeditform->get_data()){
 186
 187     switch ($action) {
 188         case 'add':
 189             $blogentry = new blog_entry(null, $data, $blogeditform);
 190             $blogentry->add();
 191             $blogentry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
 192         break;
 193
 194         case 'edit':
 195             if (empty($entry->id)) {
 196                 print_error('wrongentryid', 'blog');
 197             }
 198
 199             $entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
 200         break;
 201
 202         default :
 203             print_error('invalidaction');
 204     }
 205
 206     redirect($returnurl);
 207 }
 208
 209
 210 // gui setup
 211 switch ($action) {
 212     case 'add':
 213         // prepare new empty form
 214         $entry->publishstate = 'site';
 215         $strformheading = get_string('addnewentry', 'blog');
 216         $entry->action       = $action;
 217
 218         if ($CFG->useblogassociations) {
 219
 220             //pre-select the course for associations
 221             if ($courseid) {
 222                 $context = context_course::instance($courseid);
 223                 $entry->courseassoc = $context->id;
 224             }
 225
 226             //pre-select the mod for associations
 227             if ($modid) {
 228                 $context = context_module::instance($modid);
 229                 $entry->modassoc = $context->id;
 230             }
 231         }
 232         break;
 233
 234     case 'edit':
 235         if (empty($entry->id)) {
 236             print_error('wrongentryid', 'blog');
 237         }
 238         $entry->tags = tag_get_tags_array('post', $entry->id);
 239         $strformheading = get_string('updateentrywithid', 'blog');
 240
 241         break;
 242
 243     default :
 244         print_error('unknowaction');
 245 }
 246
 247 $entry->modid = $modid;
 248 $entry->courseid = $courseid;
 249
 250 echo $OUTPUT->header();
 251 $blogeditform->display();
 252 echo $OUTPUT->footer();
 253
 254 die;