feat(v3): ✨ Add custom fields in message

Author: Anyesh

usagelogger/http_logger.py

@@ -1,6 +1,6 @@
 # coding: utf-8
 # © 2016-2021 Resurface Labs Inc.
-from typing import List, Optional
+from typing import Dict, List, Optional
 
 from .base_logger import BaseLogger
 from .http_rules import HttpRules
@@ -60,12 +60,24 @@ def __init__(
     def rules(self) -> HttpRules:
         return self._rules
 
-    def submit_if_passing(self, details: List[List[str]]) -> None:
+    def submit_if_passing(
+        self, details: List[List[str]], custom_fields: Optional[Dict[str, str]]
+    ) -> None:
         # apply active rules
         details = self._rules.apply(details)  # type: ignore
         if details is None:
             return
 
+        # add custom fields
+        if custom_fields:
+            details.extend(
+                [
+                    [k, v]
+                    for k, v in custom_fields.items()
+                    if k not in [k for k, v in details]
+                ]
+            )
+
         # finalize message
         details.append(["host", self.host])
 

usagelogger/http_message.py

@@ -2,7 +2,7 @@
 # © 2016-2021 Resurface Labs Inc.
 from re import match
 from time import time
-from typing import List, Optional
+from typing import Dict, List, Optional
 from urllib import parse
 
 from .http_logger import HttpLogger
@@ -19,6 +19,7 @@ def send(
         request_body: Optional[str] = None,
         now=None,
         interval=None,
+        custom_fields: Optional[Dict[str, str]] = None,
     ) -> None:
 
         if not logger.enabled:
@@ -50,7 +51,7 @@ def send(
         if interval is not None:
             message.append(["interval", interval])
 
-        logger.submit_if_passing(message)
+        logger.submit_if_passing(message, custom_fields)
 
     @classmethod
     def build(  # noqa: C901