Add sibling information on photo pages and a very simple next/previous interface.

1 files changed, 23 insertions, 0 deletions

diff --git a/core/controllers/photos.php b/core/controllers/photos.php
index bb2a8510..82f9b779 100644
--- a/core/controllers/photos.php
+++ b/core/controllers/photos.php
@@ -25,11 +25,34 @@ class Photos_Controller extends Items_Controller {
   public function _show($photo) {
     access::required("view", $photo);
 
+    // We sort by id ascending so for now, find sibling info by doing id based queries.
+    $next_item = ORM::factory("item")
+      ->viewable()
+      ->where("parent_id", $photo->parent_id)
+      ->where("id >", $photo->id)
+      ->orderby("id", "ASC")
+      ->find();
+    $previous_item = ORM::factory("item")
+      ->viewable()
+      ->where("parent_id", $photo->parent_id)
+      ->where("id <", $photo->id)
+      ->orderby("id", "DESC")
+      ->find();
+    $position = ORM::factory("item")
+      ->viewable()
+      ->where("parent_id", $photo->parent_id)
+      ->where("id <=", $photo->id)
+      ->count_all();
+
     $template = new Theme_View("page.html", "photo");
     $template->set_global("item", $photo);
     $template->set_global("children", array());
     $template->set_global("children_count", $photo->children_count());
     $template->set_global("parents", $photo->parents());
+    $template->set_global("next_item", $next_item);
+    $template->set_global("previous_item", $previous_item);
+    $template->set_global("sibling_count", $photo->parent()->children_count());
+    $template->set_global("position", $position);
 
     $template->content = new View("photo.html");