Virtual album support for User Profile->Most Viewed and User Profile->Recent Uploads.

3.0/modules/latestupdates/controllers/latestupdates.php

@@ -57,12 +57,21 @@ class latestupdates_Controller extends Controller {
 
     // Display the page.
     print $template;
+
+    item::set_display_context_callback("latestupdates_Controller::get_display_context",
+                                       $str_display_type, $user_id);
     return ;
   }
 
   public function users($str_display_type, $user_id) {
     // Generate a dynamic page with items uploaded by a specific user ($user_id).
 
+    // Make sure user_id is valid.
+    $current_user = ORM::factory("user", $user_id);
+    if (!$current_user->loaded()) {
+      throw new Kohana_404_Exception();
+    }
+
     // Figure out how many items to display on each page.
     $page_size = module::get_var("gallery", "page_size", 9);
 
@@ -73,6 +82,21 @@ class latestupdates_Controller extends Controller {
       url::redirect("latestupdates/users/{$str_display_type}/{$user_id}");
     }
 
+    // If this page was reached from a breadcrumb, figure out what page to load from the show id.
+    $show = Input::instance()->get("show");
+    if ($show) {
+      $child = ORM::factory("item", $show);
+      $index = latestupdates_Controller::_get_position($child, $str_display_type, $user_id);
+        if ($index) {
+          $page = ceil($index / $page_size);
+          if ($page == 1) {
+            url::redirect("latestupdates/users/{$str_display_type}/{$user_id}");
+          } else {
+            url::redirect("latestupdates/users/{$str_display_type}/{$user_id}?page=$page");
+          }
+        }
+      }
+
     // First item to display.
     $offset = ($page - 1) * $page_size;
 
@@ -103,6 +127,7 @@ class latestupdates_Controller extends Controller {
 
     // Figure out which items to display on this page.
     $children = "";
+    $str_page_title = "";
     if ($str_display_type == "recent") {
       $children = ORM::factory("item")
         ->viewable()
@@ -110,6 +135,7 @@ class latestupdates_Controller extends Controller {
         ->where("owner_id", "=", $user_id)
         ->order_by("created", "DESC")
         ->find_all($page_size, $offset);
+      $str_page_title = "Recent Uploads";
     } elseif ($str_display_type == "albums") {
       $children = ORM::factory("item")
         ->viewable()
@@ -117,6 +143,7 @@ class latestupdates_Controller extends Controller {
         ->where("owner_id", "=", $user_id)
         ->order_by("created", "DESC")
         ->find_all($page_size, $offset);
+      $str_page_title = "Recent Albums";
     } else {
       $children = ORM::factory("item")
         ->viewable()
@@ -124,6 +151,7 @@ class latestupdates_Controller extends Controller {
         ->where("owner_id", "=", $user_id)
         ->order_by("view_count", "DESC")
         ->find_all($page_size, $offset);
+      $str_page_title = "Most Viewed";
     }
 
     // Set up the previous and next page buttons.
@@ -137,16 +165,140 @@ class latestupdates_Controller extends Controller {
     }
 
     // Set up and display the actual page.
+    $root = item::root();
     $template = new Theme_View("page.html", "collection", "LatestUpdates");
-    $template->page_title = t("Gallery :: Latest Updates");
+	$template->page_title = t("Gallery :: Latest Updates");
-    $template->set_global("page", $page);
+    $template->set_global(
-    $template->set_global("page_size", $page_size);
+      array("page" => $page,
-    $template->set_global("max_pages", $max_pages);
+            "max_pages" => $max_pages,
-    $template->set_global("children", $children);
+            "page_size" => $page_size,
-    $template->set_global("children_count", $count);
+            "children" => $children,
+            "breadcrumbs" => array(
+              Breadcrumb::instance($root->title, $root->url())->set_first(),
+              Breadcrumb::instance(t("User profile: %name", array("name" => $current_user->display_name())), 
+                                   url::site("user_profile/show/{$user_id}")),
+              Breadcrumb::instance($str_page_title,
+                                   url::site("latestupdates/users/{$str_display_type}/{$user_id}"))->set_last()),
+            "children_count" => $count));
     $template->content = new View("dynamic.html");
-    $template->content->title = t("Latest Updates");
+    $template->content->title = t($str_page_title);
+
     print $template;
+
+    item::set_display_context_callback("latestupdates_Controller::get_display_context",
+                                       $str_display_type, $user_id);
+
+  }
+
+  static function get_display_context($item, $str_display_type, $user_id) {
+    $current_user = ORM::factory("user", $user_id);
+
+    $str_page_title = "";
+    if ($str_display_type == "recent") {
+      $str_page_title = "Recent Uploads";
+    } elseif ($str_display_type == "albums") {
+      $str_page_title = "Recent Albums";
+    } else {
+      $str_page_title = "Most Viewed";
+    }
+
+    $position = latestupdates_Controller::_get_position($item, $str_display_type, $user_id);
+    if ($position > 1) {
+      list ($previous_item, $ignore, $next_item) =
+        latestupdates_Controller::items($str_display_type, $user_id, 3, $position - 2);
+    } else {
+      $previous_item = null;
+      list ($next_item) = latestupdates_Controller::items($str_display_type, $user_id, 1, $position);
+    }
+
+    $count = 0;
+    if ($str_display_type == "albums") {
+      $count = ORM::factory("item")
+        ->viewable()
+        ->where("type", "=", "album")
+        ->where("owner_id", "=", $user_id)
+        ->count_all();
+    } else {
+      $count = ORM::factory("item")
+        ->viewable()
+        ->where("type", "!=", "album")
+        ->where("owner_id", "=", $user_id)
+        ->count_all();
+    }
+
+    $root = item::root();
+    return array("position" => $position,
+                 "previous_item" => $previous_item,
+                 "next_item" => $next_item,
+                 "sibling_count" => $count,
+                 "breadcrumbs" => array(
+                   Breadcrumb::instance($root->title, $root->url())->set_first(),
+                   Breadcrumb::instance(t("User profile: %name", array("name" => $current_user->display_name())), 
+                                        url::site("user_profile/show/{$user_id}")),
+                   Breadcrumb::instance($str_page_title,
+                                        url::site("latestupdates/users/{$str_display_type}/{$user_id}?show={$item->id}")),
+                   Breadcrumb::instance($item->title, $item->url())->set_last())
+                );
+  }
+
+  static function items($str_display_type, $user_id, $limit=null, $offset=null) {
+    $str_where = array();
+    $str_orderby_field = "";
+    if ($str_display_type == "recent") {
+      $str_where = array(array("type", "!=", "album"));
+      $str_orderby_field = "created";
+    } elseif ($str_display_type == "albums") {
+      $str_where = array(array("type", "=", "album"));
+      $str_orderby_field = "created";
+    } else {
+      $str_where = array(array("type", "!=", "album"));
+      $str_orderby_field = "view_count";
+    }
+
+    return ORM::factory("item")
+      ->viewable()
+      ->merge_where($str_where)
+      ->where("owner_id", "=", $user_id)
+      ->order_by($str_orderby_field, "DESC")
+      ->find_all($limit, $offset);
+  }
+
+  private function _get_position($item, $str_display_type, $user_id) {
+    $str_where = array();
+    $str_orderby_field = "";
+    if ($str_display_type == "recent") {
+      $str_where = array(array("type", "!=", "album"));
+      $str_orderby_field = "created";
+    } elseif ($str_display_type == "albums") {
+      $str_where = array(array("type", "=", "album"));
+      $str_orderby_field = "created";
+    } else {
+      $str_where = array(array("type", "!=", "album"));
+      $str_orderby_field = "view_count";
+    }
+
+    $position = ORM::factory("item")
+      ->viewable()
+      ->where("owner_id", "=", $user_id)
+      ->merge_where($str_where)
+      ->where($str_orderby_field, ">", $item->$str_orderby_field)
+      ->order_by($str_orderby_field, "DESC")
+      ->count_all();
+
+    foreach (ORM::factory("item")
+             ->viewable()
+             ->where("owner_id", "=", $user_id)
+             ->merge_where($str_where)
+             ->where($str_orderby_field, "=", $item->$str_orderby_field)
+             ->order_by($str_orderby_field, "DESC")
+             ->find_all() as $row) {
+      $position++;
+      if ($row->id == $item->id) {
+        break;
+      }
+    }
+
+    return $position;
   }
 
   public function albums($id) {