From acc142b8d93f39ae918dcc2b929d107a0d1370d8 Mon Sep 17 00:00:00 2001
From: Adam Vessey <adam@discoverygarden.ca>
Date: Thu, 20 Jun 2013 09:23:15 -0300
Subject: [PATCH 1/3] Implement basic collection filter hook for namespaces.

---
 islandora.module | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/islandora.module b/islandora.module
index 7e1936c3..ea4050f7 100644
--- a/islandora.module
+++ b/islandora.module
@@ -1319,3 +1319,17 @@ function islandora_datastream_access($op, $datastream, $user = NULL) {
 
   return $cache[$op][$datastream->parent->id][$datastream->id][$user->uid];
 }
+
+/*
+ * Implements hook_islandora_basic_collection_get_filters().
+ */
+function islandora_islandora_basic_collection_get_filters() {
+  $enforced = variable_get('islandora_namespace_restriction_enforced', FALSE);
+  if ($enforced) {
+    $namespace_array = islandora_get_allowed_namespaces();
+    $namespace_sparql = implode('|', $namespace_array);
+    return format_string('regex(str(?object), "info:fedora/(!namespaces):")', array(
+      '!namespaces' => $namespace_sparql,
+    ));
+  }
+}

From 0f00f43f9910c443d1f740daa511706e90b50d08 Mon Sep 17 00:00:00 2001
From: Adam Vessey <adam@discoverygarden.ca>
Date: Thu, 20 Jun 2013 09:33:42 -0300
Subject: [PATCH 2/3] Fix function comment (parsing)...

---
 islandora.module | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/islandora.module b/islandora.module
index ea4050f7..2324af5d 100644
--- a/islandora.module
+++ b/islandora.module
@@ -1320,7 +1320,7 @@ function islandora_datastream_access($op, $datastream, $user = NULL) {
   return $cache[$op][$datastream->parent->id][$datastream->id][$user->uid];
 }
 
-/*
+/**
  * Implements hook_islandora_basic_collection_get_filters().
  */
 function islandora_islandora_basic_collection_get_filters() {

From 5884812486522804cbd588315190e37801efa820 Mon Sep 17 00:00:00 2001
From: Adam Vessey <adam@discoverygarden.ca>
Date: Thu, 20 Jun 2013 14:38:41 -0300
Subject: [PATCH 3/3] Fix hook implementation.

...  Function was name inappropriately... Herp derp.
---
 islandora.module | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/islandora.module b/islandora.module
index 2324af5d..174ba5fa 100644
--- a/islandora.module
+++ b/islandora.module
@@ -1321,9 +1321,9 @@ function islandora_datastream_access($op, $datastream, $user = NULL) {
 }
 
 /**
- * Implements hook_islandora_basic_collection_get_filters().
+ * Implements hook_islandora_basic_collection_get_query_filters().
  */
-function islandora_islandora_basic_collection_get_filters() {
+function islandora_islandora_basic_collection_get_query_filters() {
   $enforced = variable_get('islandora_namespace_restriction_enforced', FALSE);
   if ($enforced) {
     $namespace_array = islandora_get_allowed_namespaces();