ISTWCMS-1983: Unsetting os-publications query_biblio_alter and adding...

ISTWCMS-1983: Unsetting os-publications query_biblio_alter and adding uw_virtual_site_homepage query_biblio_alter to the end.  Adding function to fix query_biblio_alter to work with latest biblio.

uw_virtual_site_homepage.module

@@ -6,6 +6,109 @@
 
 include_once 'uw_virtual_site_homepage.features.inc';
 
+/**
+ * Implements hook_module_implements_alter().
+ * Remove the os_publications query_biblio_alter.
+ */
+function uw_virtual_site_homepage_module_implements_alter(&$implementations, $hook) {
+
+  // If we are on the query_biblio_alter hook, unset os_publications and place uw_virtual_site_homepage last.
+  if($hook == "query_biblio_alter") {
+    // Move uw_virtual_site_homepage's query_biblio_alter to be done last.
+    $group = $implementations['uw_virtual_site_homepage'];
+    unset($implementations['uw_virtual_site_homepage']);
+    $implementations['uw_virtual_site_homepage'] = $group;
+
+    // Remove os_publicatons' query_biblio_alter.
+    unset($implementations['os_publications']);
+  }
+}
+
+/**
+ * Implements hook query_TAG_alter().
+ * TAG: biblio.
+ * Set the searching and sorting options for the biblio query and add the space.
+ */
+function uw_virtual_site_homepage_query_biblio_alter(QueryAlterableInterface $query) {
+
+  // Ensure that we have vsite turned on.
+  if (!module_exists('vsite') || !$space = spaces_get_space()) {
+    return;
+  }
+
+  _os_publications_filter_by_term($query);
+
+  // this has to be separate because of scoping.
+  if ($space->type == 'og') {
+    $query->innerJoin('og_membership', 'ogm', 'n.nid = ogm.etid');
+    $query->condition('ogm.entity_type', 'node');
+    $query->condition('ogm.group_type', 'node');
+    $query->condition('ogm.gid', $space->id);
+  }
+
+  $item = menu_get_item();
+
+  // Checking for search_node alter tag.
+  if(!isset($query->alterTags)) {
+
+    // Check if we have a search_node alter tag.
+    if(!isset($query->alterTags['search_node'])) {
+
+      // Check the sort order for biblio.
+      // If we're sorting by year, we want to sort by date as well to replicate D6
+      // sorting.
+      if (variable_get('biblio_sort', 'year') == 'year') {
+        // Get their sort order.
+        $biblio_year_sort = $space->controllers->variable->get('biblio_order','space');
+        $order = &$query->getOrderBy();
+
+        // Don't wipe the non-default sort order, this will let users still toggle asc/desc sorting by year.
+        if (array_key_exists('biblio_year', $order) && $order['biblio_year'] != $biblio_year_sort) {
+          $biblio_year_sort = $order['biblio_year'];
+        }
+
+        // Rebuild the array to our defaults only when the user is NOT searching.  When the user is searching, use their selections
+        if (isset($_GET['s']) && in_array($_GET['s'], array('author', 'title', 'type'))) {
+          $s = current(array_keys($order));
+          $o = current($order);
+
+          if ($s = 'biblio_sort_title') {
+            $biblio_sort_title = $o;
+          }
+        }
+        else {
+          $order = array();
+        }
+
+        // Sort by year, and after that create another sorting by the node's
+        // "sticky" property, the creation date of the node, the Biblio date, and
+        // the Biblio title.
+        $order['biblio_year'] = isset($biblio_year_sort) ? $biblio_year_sort : 'DESC';
+        $order['n.sticky'] = 'DESC';
+        $order['n.created'] = 'DESC';
+        $order['biblio_sort_title'] = (isset($biblio_sort_title)) ? $biblio_sort_title : 'ASC';
+      }
+      elseif (variable_get('biblio_sort', 'year') == 'type') {
+        // Sort by type, and after that create another sorting by creation date of
+        // the node.
+        $order = &$query->getOrderBy();
+        $new_order = array();
+
+        foreach ($order as $key => $value) {
+          $new_order[$key] = $value;
+          if ($key == 'biblio_type_name') {
+            $new_order['n.sticky'] = 'DESC';
+            $new_order['biblio_year'] = 'DESC';
+            $new_order['n.created'] = 'DESC';
+          }
+        }
+
+        $order = $new_order;
+      }
+    }
+  }
+}
+
 /*
  * Implements hook_field_widget_form_alter().
  * Adding process to image types to change title to caption for homepage banners.