Submit derive task after all uploads completed

app/jobs/ArchiveJob.php

@@ -64,6 +64,29 @@ class ArchiveJob extends Job {
 			$doc->save();
 		}
 
+
+		try {
+			$this->status("Waiting for bucket creation");
+			$done = 0;
+			while ($done == 0) {
+				sleep(1);
+				$md = Archive::metadata($id);
+				if (property_exists($md, "created")) {
+					$done = 1;
+				}
+			}
+		} catch (Exception $e) {
+			$this->fail($e->getMessage());
+			return;
+		}
+
+		try {
+			Archive::derive($id);
+		} catch (Exception $e) {
+			$this->fail($e->getMessage());
+			return;
+		}
+
 		$this->finish();
 	}