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             $entry->delete();
 120             blog_rss_delete_file($userid);
 121             redirect($returnurl);
 122         }
 123     } else if (blog_user_can_edit_entry($entry)) {
 124         $optionsyes = array('entryid'=>$id, 'action'=>'delete', 'confirm'=>1, 'sesskey'=>sesskey(), 'courseid'=>$courseid);
 125         $optionsno = array('userid'=>$entry->userid, 'courseid'=>$courseid);
 126         $PAGE->set_title("$SITE->shortname: $strblogs");
 127         $PAGE->set_heading($SITE->fullname);
 128         echo $OUTPUT->header();
 129
 130         // Output the entry.
 131         $entry->prepare_render();
 132         echo $output->render($entry);
 133
 134         echo '<br />';
 135         echo $OUTPUT->confirm(get_string('blogdeleteconfirm', 'blog'), new moodle_url('edit.php', $optionsyes),new moodle_url( 'index.php', $optionsno));
 136         echo $OUTPUT->footer();
 137         die;
 138     }
 139 } else if ($action == 'add') {
 140     $PAGE->set_title("$SITE->shortname: $strblogs: " . get_string('addnewentry', 'blog'));
 141     $PAGE->set_heading($SITE->shortname);
 142 } else if ($action == 'edit') {
 143     $PAGE->set_title("$SITE->shortname: $strblogs: " . get_string('editentry', 'blog'));
 144     $PAGE->set_heading($SITE->shortname);
 145 }
 146
 147 if (!empty($entry->id)) {
 148     if ($CFG->useblogassociations && ($blogassociations = $DB->get_records('blog_association', array('blogid' => $entry->id)))) {
 149
 150         foreach ($blogassociations as $assocrec) {
 151             $context = context::instance_by_id($assocrec->contextid);
 152
 153             switch ($context->contextlevel) {
 154                 case CONTEXT_COURSE:
 155                     $entry->courseassoc = $assocrec->contextid;
 156                     break;
 157                 case CONTEXT_MODULE:
 158                     $entry->modassoc = $assocrec->contextid;
 159                     break;
 160             }
 161         }
 162     }
 163 }
 164
 165 require_once('edit_form.php');
 166 $summaryoptions = array('maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>true, 'context'=>$sitecontext,
 167     'subdirs'=>file_area_contains_subdirs($sitecontext, 'blog', 'post', $entry->id));
 168 $attachmentoptions = array('subdirs'=>false, 'maxfiles'=> 99, 'maxbytes'=>$CFG->maxbytes);
 169
 170 $blogeditform = new blog_edit_form(null, compact('entry', 'summaryoptions', 'attachmentoptions', 'sitecontext', 'courseid', 'modid'));
 171
 172 $entry = file_prepare_standard_editor($entry, 'summary', $summaryoptions, $sitecontext, 'blog', 'post', $entry->id);
 173 $entry = file_prepare_standard_filemanager($entry, 'attachment', $attachmentoptions, $sitecontext, 'blog', 'attachment', $entry->id);
 174
 175 if (!empty($CFG->usetags) && !empty($entry->id)) {
 176     include_once($CFG->dirroot.'/tag/lib.php');
 177     $entry->tags = tag_get_tags_array('post', $entry->id);
 178 }
 179
 180 $entry->action = $action;
 181 // set defaults
 182 $blogeditform->set_data($entry);
 183
 184 if ($blogeditform->is_cancelled()) {
 185     redirect($returnurl);
 186
 187 } else if ($data = $blogeditform->get_data()){
 188
 189     switch ($action) {
 190         case 'add':
 191             $blogentry = new blog_entry(null, $data, $blogeditform);
 192             $blogentry->add();
 193             $blogentry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
 194         break;
 195
 196         case 'edit':
 197             if (empty($entry->id)) {
 198                 print_error('wrongentryid', 'blog');
 199             }
 200
 201             $entry->edit($data, $blogeditform, $summaryoptions, $attachmentoptions);
 202         break;
 203
 204         default :
 205             print_error('invalidaction');
 206     }
 207
 208     redirect($returnurl);
 209 }
 210
 211
 212 // gui setup
 213 switch ($action) {
 214     case 'add':
 215         // prepare new empty form
 216         $entry->publishstate = 'site';
 217         $strformheading = get_string('addnewentry', 'blog');
 218         $entry->action       = $action;
 219
 220         if ($CFG->useblogassociations) {
 221
 222             //pre-select the course for associations
 223             if ($courseid) {
 224                 $context = context_course::instance($courseid);
 225                 $entry->courseassoc = $context->id;
 226             }
 227
 228             //pre-select the mod for associations
 229             if ($modid) {
 230                 $context = context_module::instance($modid);
 231                 $entry->modassoc = $context->id;
 232             }
 233         }
 234         break;
 235
 236     case 'edit':
 237         if (empty($entry->id)) {
 238             print_error('wrongentryid', 'blog');
 239         }
 240         $entry->tags = tag_get_tags_array('post', $entry->id);
 241         $strformheading = get_string('updateentrywithid', 'blog');
 242
 243         break;
 244
 245     default :
 246         print_error('unknowaction');
 247 }
 248
 249 $entry->modid = $modid;
 250 $entry->courseid = $courseid;
 251
 252 echo $OUTPUT->header();
 253 $blogeditform->display();
 254 echo $OUTPUT->footer();
 255
 256 die;