Added validity check for Collection Policy class

CollectionClass.inc

@@ -519,14 +519,16 @@ class CollectionClass {
 
     $show_batch_tab = FALSE;
     $policy = CollectionPolicy::loadFromCollection($this->pid, TRUE);
-    $content_models = $policy->getContentModels();
+    if ($policy) {
+      $content_models = $policy->getContentModels();
+    }
     if (count($content_models) == 1 && $content_models[0]->pid == "islandora:collectionCModel") {
       $show_batch_tab = FALSE;
     }
     if (!$show_ingest_tab) {
       $view_selected = TRUE;
     }
-    if(!$collection_items){
+    if (!$collection_items) {
       $view_selected = FALSE;
       $add_selected = TRUE;
     }
@@ -538,7 +540,6 @@ class CollectionClass {
       '#title' => 'View',
       '#selected' => $view_selected,
       '#content' => $collection_items,
-     
     );
     $tabset['add_tab'] = array(
       '#type' => 'tabpage',
@@ -614,7 +615,7 @@ class CollectionClass {
 
 
     $collectionName = $collection;
- 
+
     if (!$pageNumber) {
       $pageNumber = 1;
     }

fedora_repository.module

@@ -142,6 +142,10 @@ function fedora_repository_ingest_object($collection_pid=NULL, $collection_label
  */
 function fedora_repository_ingest_form_submit(array $form, array &$form_state) {
 //only validate the form if the submit button was pressed (other buttons may be used for AHAH
+  if ($form_state['ahah_submission']) {
+    $form_state['submitted'] = false;
+    return;
+  }
   if ($form_state['storage']['xml']) {
     if (module_exists('islandora_content_model_forms')) {
       module_load_include('inc', 'islandora_content_model_forms', 'IngestObjectMetadataForm');
@@ -197,7 +201,11 @@ function fedora_repository_ingest_form_submit(array $form, array &$form_state) {
  */
 function fedora_repository_ingest_form_validate($form, &$form_state) {
 //only validate the form if the submit button was pressed (other buttons may be used for AHAH
-  if ($form_state['clicked_button']['#id'] == 'edit-submit') {
+  if ($form_state['ahah_submission']) {
+    $form_state['submitted'] = false;
+    return;
+  }
+  if ($form_state['clicked_button']['#id'] == 'edit-submit' && $form_state['ahah_submission'] != 1) {
     switch ($form_state['storage']['step']) {
       case 1:
         $form_state['storage']['step']++;
@@ -828,9 +836,6 @@ function fedora_repository_perm() {
     OBJECTHELPER::$INGEST_FEDORA_OBJECTS,
     OBJECTHELPER::$EDIT_TAGS_DATASTREAM,
     OBJECTHELPER::$VIEW_DETAILED_CONTENT_LIST,
-    OBJECTHELPER::$MANAGE_COLLECTIONS,
-    OBJECTHELPER::$DELETE_ENTIRE_COLLECTIONS,
-    OBJECTHELPER::$CREATE_BATCH_PROCESS,
   );
 }