Add function agent::getAgentObj()

This is basically a constructor for agent.  The actual type returned is
a contrete agent.

1 files changed, 17 insertions, 0 deletions

diff --git a/app/class/agent.class.php b/app/class/agent.class.php
index 4af13d5..63a21ed 100644
--- a/app/class/agent.class.php
+++ b/app/class/agent.class.php
@@ -33,6 +33,23 @@ abstract class agent extends obj
     }
 
     /*
+     * Since this class is abstract, this function is provided as a
+     * means of constructing the appropriate agent object based on
+     * a GUID.
+     */
+    public static function getAgentObj(string $guid) : agent
+    {
+        try
+        {
+            return new user($guid);
+        }
+        catch (Exception $e)
+        {
+            return new group($guid);
+        }
+    }
+
+    /*
      * Check whether this agent is the owner of the given object
      */
     public function isOwnerOf(obj $obj) : bool