1 files changed, 127 insertions, 0 deletions
diff --git a/lib/models/LoginBackground.php b/lib/models/LoginBackground.php
new file mode 100644
index 0000000..530ae42
--- /dev/null
+++ b/lib/models/LoginBackground.php
@@ -0,0 +1,127 @@
+<?php
+/**
+ * LoginBackground.php
+ * model class for table loginbackgrounds
+ *
+ * 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.
+ *
+ * @author      Thomas Hackl <thomas.hackl@uni-passau.de>
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ *
+ * @property int $id alias column for background_id
+ * @property int $background_id database column
+ * @property string $filename database column
+ * @property int $mobile database column
+ * @property int $desktop database column
+ * @property int $in_release database column
+ * @property int|null $mkdate database column
+ * @property int|null $chdate database column
+ */
+class LoginBackground extends SimpleORMap
+{
+    /**
+     * Configures this model.
+     *
+     * @param Array $config
+     */
+    protected static function configure($config = [])
+    {
+        $config['db_table'] = 'loginbackgrounds';
+
+        $config['registered_callbacks']['after_delete'][] = function ($pic) {
+            if (file_exists($pic->getPath())) {
+                unlink($pic->getPath());
+            }
+        };
+
+        parent::configure($config);
+    }
+
+    /**
+     * @return string The full URL to this picture.
+     */
+    public function getURL()
+    {
+        return URLHelper::getURL(
+            $GLOBALS['DYNAMIC_CONTENT_URL']
+                . self::getRelativePath()
+                . "/{$this->id}.{$this->getExtension()}",
+            null,
+            true
+        );
+    }
+
+    /**
+     * @return string the full file system path to this picture.
+     */
+    public function getPath()
+    {
+        return self::getPictureDirectory() . "/{$this->id}.{$this->getExtension()}";
+    }
+
+    /**
+     * @return int The file size in bytes.
+     */
+    public function getFilesize()
+    {
+        if (file_exists($this->getPath())) {
+            return filesize($this->getPath());
+        }
+        return false;
+    }
+
+    /**
+     * @return int The picture dimensions as provided by getimagesize.
+     */
+    public function getDimensions()
+    {
+        if (file_exists($this->getPath())) {
+            return getimagesize($this->getPath());
+        }
+        return false;
+    }
+
+    /**
+     * @return string The picture's extension
+     */
+    public function getExtension()
+    {
+        return pathinfo($this->filename, PATHINFO_EXTENSION);
+    }
+
+    /**
+     * Provides a random picture for the given view.
+     * @param string $view one of 'desktop', 'mobile'.
+     * @return LoginBackground One of the available pictures.
+     */
+    public static function getRandomPicture($view = 'desktop')
+    {
+        if (!in_array($view, ['desktop', 'mobile'])) {
+            throw new Exception('Unknown view mode');
+        }
+
+        $pic = self::findOneBySQL("{$view} = 1 ORDER BY RAND() LIMIT 1");
+        return $pic;
+    }
+
+    /**
+     * @return string The relative path to the Stud.IP web root.
+     */
+    public static function getRelativePath()
+    {
+        return '/loginbackgrounds';
+    }
+
+    /**
+     * @return The directory where all available background pictures live.
+     */
+    public static function getPictureDirectory()
+    {
+        return $GLOBALS['DYNAMIC_CONTENT_PATH'] . self::getRelativePath();
+    }
+
+}