From 3496e2e7f6c8e7890fe6ded27b2ef7833badb9f7 Mon Sep 17 00:00:00 2001
From: "Charles C. Lee" <charleschanlee@gmail.com>
Date: Thu, 19 Oct 2023 11:29:53 -0700
Subject: [PATCH] Add a warning message when notify payloads are subject to
 truncation

---
 lib/bugsnag.rb         |  5 +++++
 lib/bugsnag/helpers.rb | 14 +++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/lib/bugsnag.rb b/lib/bugsnag.rb
index 5d002a907..1b50ca85c 100644
--- a/lib/bugsnag.rb
+++ b/lib/bugsnag.rb
@@ -535,6 +535,11 @@ def check_endpoint_setup
     # @return [String]
     def report_to_json(report)
       cleaned = cleaner.clean_object(report.as_json)
+
+      if Bugsnag::Helpers.payload_too_long?(cleaned)
+        configuration.warn("The notify payload is too large and will be truncated.")
+      end
+
       trimmed = Bugsnag::Helpers.trim_if_needed(cleaned)
 
       ::JSON.dump(trimmed)
diff --git a/lib/bugsnag/helpers.rb b/lib/bugsnag/helpers.rb
index 7a1c41786..cb43f5cf1 100644
--- a/lib/bugsnag/helpers.rb
+++ b/lib/bugsnag/helpers.rb
@@ -71,6 +71,13 @@ def self.deep_merge!(l_hash, r_hash)
       end
     end
 
+    ##
+    # Validate that the serialized JSON string value is below maximum payload
+    # length
+    def self.payload_too_long?(value)
+      get_payload_length(value) >= MAX_PAYLOAD_LENGTH
+    end
+
     private
 
     TRUNCATION_INFO = '[TRUNCATED]'
@@ -156,13 +163,6 @@ def self.trim_strings_in_value(value)
       end
     end
 
-    ##
-    # Validate that the serialized JSON string value is below maximum payload
-    # length
-    def self.payload_too_long?(value)
-      get_payload_length(value) >= MAX_PAYLOAD_LENGTH
-    end
-
     def self.get_payload_length(value)
       if value.is_a?(String)
         value.length