Implement a random image block for the side bar. Ticket #13

1 files changed, 64 insertions, 0 deletions

diff --git a/modules/image_block/helpers/image_block_theme.php b/modules/image_block/helpers/image_block_theme.php
new file mode 100644
index 00000000..0a103add
--- /dev/null
+++ b/modules/image_block/helpers/image_block_theme.php
@@ -0,0 +1,64 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class image_block_theme_Core {
+  static function sidebar_blocks($theme) {
+    $result = ORM::factory("item")
+      ->viewable()
+      ->select("COUNT(*) AS C")
+      ->find();
+    if (empty($result->C)) {
+      return "";
+    }
+
+    $block = new Block();
+    $block->css_id = "gImageBlock";
+    $block->title = t("Random Image");
+    $block->content = new View("image_block_block.html");
+
+    $result = ORM::factory("item")
+      ->viewable()
+      ->select("MAX(rand_key) AS max_random")
+      ->find();
+
+    $max_rand = $result->max_random;
+    $random = ((float)mt_rand()) / (float)mt_getrandmax();
+
+    $items = ORM::factory("item")
+      ->viewable()
+      ->where("type !=", "album")
+      ->where("rand_key < ", $max_rand * $random)
+      ->orderby(array("rand_key" => "DESC"))
+      ->find_all(1);
+
+    if ($items->count() == 0) {
+      $items = ORM::factory("item")
+        ->viewable()
+        ->where("type !=", "album")
+        ->where("rand_key > ", $max_rand * $random)
+        ->orderby(array("rand_key" => "DESC"))
+        ->find_all(1);
+     
+    }
+ 
+    $block->content->item = $items->current();
+
+    return $items->count() == 0 ? "" : $block;
+  }
+}