Create a module setting for the number of random images to show in the

sidebar. Fixes #1499.

modules/image_block/helpers/image_block_block.php

@@ -29,16 +29,24 @@ static function get($block_id, $theme) {
       // The random_query approach is flawed and doesn't always return a
       // result when there actually is one. Retry a *few* times.
       // @todo Consider another fallback if further optimizations are necessary.
-      $attempts = 0;
-      do {
-        $item = item::random_query()->where("type", "!=", "album")->find_all(1)->current();
-      } while (!$item && $attempts++ < 3);
-      if ($item && $item->loaded()) {
+      $image_count = module::get_var("image_block", "image_count");
+      $items = array();
+      for ($i = 0; $i < $image_count; $i++) {
+        $attempts = 0;
+        $item = null;
+        do {
+          $item = item::random_query()->where("type", "!=", "album")->find_all(1)->current();
+        } while (!$item && $attempts++ < 3);
+        if ($item) {
+          $items[] = $item;
+        }
+      }
+      if ($items) {
         $block = new Block();
         $block->css_id = "g-image-block";
         $block->title = t("Random image");
         $block->content = new View("image_block_block.html");
-        $block->content->item = $item;
+        $block->content->items = $items;
       }
       break;
     }

modules/image_block/helpers/image_block_installer.php

@@ -0,0 +1,29 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2010 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_installer {
+
+  static function upgrade($version) {
+    $db = Database::instance();
+    if ($version == 1) {
+      module::set_var("image_block", "image_count", "1");
+      module::set_version("image_block", $version = 2);
+    }
+  }
+}

modules/image_block/module.info

@@ -1,3 +1,3 @@
 name = "Image Block"
 description = "Display a random image in the sidebar"
-version = 1
+version = 2

modules/image_block/views/image_block_block.html.php

@@ -1,6 +1,8 @@
 <?php defined("SYSPATH") or die("No direct script access.") ?>
+<? foreach ($items as $item): ?>
 <div class="g-image-block">
   <a href="<?= $item->url() ?>">
    <?= $item->thumb_img(array("class" => "g-thumbnail")) ?>
   </a>
 </div>
+<? endforeach ?>