5 files changed, 141 insertions, 0 deletions
diff --git a/modules/image_block/controllers/image_block.php b/modules/image_block/controllers/image_block.php
new file mode 100644
index 0000000..3198970
--- /dev/null
+++ b/modules/image_block/controllers/image_block.php
@@ -0,0 +1,27 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2013 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_Controller extends Controller {
+  public function random($item_id) {
+    $item = ORM::factory("item", $item_id);
+    access::required("view", $item);
+    item::set_display_context_callback("Albums_Controller::get_display_context");
+    url::redirect($item->abs_url());
+  }
+}
diff --git a/modules/image_block/helpers/image_block_block.php b/modules/image_block/helpers/image_block_block.php
new file mode 100644
index 0000000..37e5b4c
--- /dev/null
+++ b/modules/image_block/helpers/image_block_block.php
@@ -0,0 +1,56 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2013 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_block_Core {
+  static function get_site_list() {
+    return array("random_image" => t("Random image"));
+  }
+
+  static function get($block_id, $theme) {
+    $block = "";
+    switch ($block_id) {
+    case "random_image":
+      // 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.
+      $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 = t2("Random image", "Random images", $image_count);
+        $block->content = new View("image_block_block.html");
+        $block->content->items = $items;
+      }
+      break;
+    }
+
+    return $block;
+  }
+}
diff --git a/modules/image_block/helpers/image_block_installer.php b/modules/image_block/helpers/image_block_installer.php
new file mode 100644
index 0000000..b177b97
--- /dev/null
+++ b/modules/image_block/helpers/image_block_installer.php
@@ -0,0 +1,43 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2013 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class image_block_installer {
+
+  static function install() {
+    module::set_var("image_block", "image_count", "1");
+  }
+
+  static function upgrade($version) {
+    $db = Database::instance();
+    if ($version == 1) {
+      module::set_var("image_block", "image_count", "1");
+      module::set_version("image_block", $version = 2);
+    }
+
+    // Oops, there was a bug in the installer for version 2 resulting
+    // in some folks not getting the image_count variable set.  Bump
+    // to version 3 and fix it.
+    if ($version == 2) {
+      if (module::get_var("image_block", "image_count", 0) === 0) {
+        module::set_var("image_block", "image_count", "1");
+      }
+      module::set_version("image_block", $version = 3);
+    }
+  }
+}
diff --git a/modules/image_block/module.info b/modules/image_block/module.info
new file mode 100644
index 0000000..25b89e6
--- /dev/null
+++ b/modules/image_block/module.info
@@ -0,0 +1,7 @@
+name = "Image Block"
+description = "Display a random image in the sidebar"
+version = 3
+author_name = "Gallery Team"
+author_url = "http://codex.galleryproject.org/Gallery:Team"
+info_url = "http://codex.galleryproject.org/Gallery3:Modules:image_block"
+discuss_url = "http://galleryproject.org/forum_module_image_block"
diff --git a/modules/image_block/views/image_block_block.html.php b/modules/image_block/views/image_block_block.html.php
new file mode 100644
index 0000000..6f68e5b
--- /dev/null
+++ b/modules/image_block/views/image_block_block.html.php
@@ -0,0 +1,8 @@
+<?php defined("SYSPATH") or die("No direct script access.") ?>
+<? foreach ($items as $item): ?>
+<div class="g-image-block">
+  <a href="<?= url::site("image_block/random/" . $item->id); ?>">
+   <?= $item->thumb_img(array("class" => "g-thumbnail")) ?>
+  </a>
+</div>
+<? endforeach ?>