Stop fudging the server-side handling instructions for "add spot" into the spot data structure itself, instead break them out into a new area. This is a breaking change to the API so all API endpoints have been bumped to v2.

server/handlers/api/v1_compatability.py

@@ -0,0 +1,31 @@
+import json
+
+import tornado
+
+from core.utils import serialize_everything
+
+
+class V1GoneHandler(tornado.web.RequestHandler):
+    """Returns 410 Gone with a message for any endpoints in the old API that have breaking changes in the new one or
+    have been retired."""
+
+    def post(self):
+        self.set_status(410)
+        self.write(json.dumps(
+            "This API endpoint has a breaking change or has been removed in the current version of the Spothole API. Please see /apidocs for details of the current API version and the endpoints available.",
+            default=serialize_everything
+        ))
+        self.set_header("Cache-Control", "no-store")
+        self.set_header("Content-Type", "application/json")
+
+
+class V1RedirectHandler(tornado.web.RequestHandler):
+    """Returns 308 Permanent Redirect from any path in the old API to the new one, where there were no breaking changes."""
+
+    def get(self, path):
+        new_url = "/api/v2/" + path
+        if self.request.query:
+            new_url += "?" + self.request.query
+        self.set_status(308)
+        self.set_header("Location", new_url)
+        self.finish()