Merge branch 'framework' into dev

1 files changed, 79 insertions, 0 deletions

diff --git a/app/class/framework.class.php b/app/class/framework.class.php
new file mode 100644
index 0000000..eea6c25
--- /dev/null
+++ b/app/class/framework.class.php
@@ -0,0 +1,79 @@
+<?php
+
+/* Include the Scrott system-level configuration file if it exists */
+is_file("scrott.conf.php") &&
+    require_once "scrott.conf.php";
+
+require_once "class/mysql.class.php";
+
+/*
+ * Global functions / operations and access to contextual or session-based information
+ */
+abstract class Framework
+{
+    static $dbobj = null;
+
+    /*
+     * Check for the existence of Scrott's system-level config
+     */
+    function scrottConfExists()
+    {
+        global $_SCROTT;
+        return isset($_SCROTT['conf']);
+    }
+
+    /*
+     * Get the absolute path on this server for the root of this app
+     */
+    function ar()
+    {
+        return substr($_SERVER['PHP_SELF'], 0, -10); // 10 = length of "/index.php"
+    }
+
+    /*
+     * Get the absolute path to the current page
+     */
+    function ap()
+    {
+        return $this->ar() . $_REQUEST['path'];
+    }
+
+    /*
+     * Redirect to the given URL and die
+     */
+    function redirectTo($url)
+    {
+        header("Location: " . $url);
+        exit;
+    }
+
+    /*
+     * Get or create the app's database connection object (this is a singleton object and dependent on system-level config)
+     */
+    function getDbConnection()
+    {
+        global $_SCROTT;
+
+        if (self::$dbobj != null)
+            return self::$dbobj;
+
+        switch ($_SCROTT['dbEngine'])
+        {
+        case "mysql":
+            $host     = $_SCROTT['dbAddress'];
+            $username = $_SCROTT['dbUser'];
+            $password = $_SCROTT['dbPass'];
+            $dbName   = $_SCROTT['dbName'];
+            self::$dbobj = new Mysql($host, $username, $password, $dbName);
+            break;
+
+        default:
+            throw new Exception("Problem with Scrott Configuration. Invalid database engine specified.");
+            break;
+        }
+
+        return self::$dbobj;
+    }
+}
+
+?>