fix(file): fix multiple file fields

when a form contains several file fields only the first file was taken into account

fix #937

Signed-off-by: btry <tbugier@teclib.com>

Author: btry

inc/fields/filefield.class.php

@@ -57,14 +57,21 @@ public function displayField($canEdit = true) {
 
    public function isValid($value) {
       // If the field is required it can't be empty
-      if ($this->isRequired() && (empty($_POST['_formcreator_field_' . $this->fields['id']][0])
-          || !is_file(GLPI_TMP_DIR . '/' . $_POST['_formcreator_field_' . $this->fields['id']][0]))) {
-         Session::addMessageAfterRedirect(__('A required file is missing:', 'formcreator') . ' ' . $this->fields['name'], false, ERROR);
-         return false;
+
+      if (!$this->isRequired()) {
+         return true;
+      }
+
+      if (is_array($_POST['_formcreator_field_' . $this->fields['id']])
+         && count($_POST['_formcreator_field_' . $this->fields['id']]) === 1) {
+         $file = current($_POST['_formcreator_field_' . $this->fields['id']]);
+         if (is_file(GLPI_TMP_DIR . '/' . $file)) {
+            return true;
+         }
       }
 
-      // All is OK
-      return true;
+      Session::addMessageAfterRedirect(__('A required file is missing:', 'formcreator') . ' ' . $this->fields['name'], false, ERROR);
+      return false;
    }
 
    public static function getName() {

inc/form_answer.class.php

@@ -903,9 +903,12 @@ private function transformAnswerValue(PluginFormcreatorQuestion $question, $valu
          } else {
             $answer_value = '';
          }
-      } else if ((isset($_POST['_formcreator_field_' . $question->getID()]['0']))
-                 && (is_file(GLPI_TMP_DIR . '/' . $_POST['_formcreator_field_' . $question->getID()]['0']))) {
-         $answer_value = $this->saveDocument($form, $question, $_POST['_formcreator_field_' . $question->getID()]['0']);
+      } else if (is_array($_POST['_formcreator_field_' . $question->getID()])
+                 && count($_POST['_formcreator_field_' . $question->getID()]) === 1) {
+         $file = current($_POST['_formcreator_field_' . $question->getID()]);
+         if (is_file(GLPI_TMP_DIR . '/' . $file)) {
+            $answer_value = $this->saveDocument($form, $question, $file);
+         }
       }
 
       return $answer_value;