[FIX] spp_api: Override the handle_error function

spp_api/controllers/apijsonrequest.py

@@ -1,10 +1,15 @@
 # Copyright 2021 Denis Mudarisov <https://github.com/trojikman>
 # License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+import collections.abc
 import logging
+import traceback
+
+from werkzeug.exceptions import NotFound
 
 from odoo.http import (
     Dispatcher,
 )
+from odoo.tools import ustr
 
 try:
     import psutil
@@ -15,6 +20,23 @@
 _logger = logging.getLogger(__name__)
 
 
+def serialize_exception(exception):
+    name = type(exception).__name__
+    module = type(exception).__module__
+
+    return {
+        "name": f"{module}.{name}" if module else name,
+        "debug": traceback.format_exc(),
+        "message": ustr(exception),
+        "arguments": exception.args,
+        "context": getattr(exception, "context", {}),
+    }
+
+
+class SessionExpiredException(Exception):
+    pass
+
+
 class ApiJsonRequest(Dispatcher):
     routing_type = "apijson"
 
@@ -34,3 +56,30 @@
             result = endpoint(**self.request.params)
 
         return self.request.make_json_response(result.json, status=result.status)
+
+    def handle_error(self, exc: Exception) -> collections.abc.Callable:
+        """
+        Handle any exception that occurred while dispatching a request to
+        a `type='json'` route. Also handle exceptions that occurred when
+        no route matched the request path, that no fallback page could
+        be delivered and that the request ``Content-Type`` was json.
+
+        :param exc: the exception that occurred.
+        :returns: a WSGI application
+        """
+        error = {
+            "code": 200,  # this code is the JSON-RPC level code, it is
+            # distinct from the HTTP status code. This
+            # code is ignored and the value 200 (while
+            # misleading) is totally arbitrary.
+            "message": "Odoo Server Error",
+            "data": serialize_exception(exc),
+        }
+        if isinstance(exc, NotFound):
+            error["code"] = 404
+            error["message"] = "404: Not Found"
+        elif isinstance(exc, SessionExpiredException):
+            error["code"] = 100
+            error["message"] = "Odoo Session Expired"
+
+        return self._response(error=error)