From 6c9727eb759aa115bf1883715df09b43a1673729 Mon Sep 17 00:00:00 2001
From: Adam Moussa <166072409+amoussa1229@users.noreply.github.com>
Date: Thu, 7 May 2026 19:02:58 -0400
Subject: [PATCH] Fix BoA CashPro API rejection when CSV has >100 checks

BoA check-issues endpoint has a 100-item limit per call. Large Stampli
exports were failing with error 10102. Batch submissions into chunks of
100 for both add_Issue and cancel_Issue actions.
---
 src/processPaymentCsv.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/processPaymentCsv.js b/src/processPaymentCsv.js
index fc080ea..a79461d 100644
--- a/src/processPaymentCsv.js
+++ b/src/processPaymentCsv.js
@@ -275,12 +275,22 @@ export const handler = async (event) => {
       return data;
     };
 
+    const BOA_BATCH_SIZE = 100;
+
+    const submitInBatches = async (items, action) => {
+      for (let i = 0; i < items.length; i += BOA_BATCH_SIZE) {
+        const batch = items.slice(i, i + BOA_BATCH_SIZE);
+        console.log(`BoA ${action} batch ${Math.floor(i / BOA_BATCH_SIZE) + 1}: ${batch.length} items`);
+        await submitToBoA(batch, action);
+      }
+    };
+
     if (newChecks.length) {
-      await submitToBoA(newChecks, "add_Issue");
+      await submitInBatches(newChecks, "add_Issue");
     }
 
     if (cancelChecks.length) {
-      await submitToBoA(cancelChecks, "cancel_Issue");
+      await submitInBatches(cancelChecks, "cancel_Issue");
     }
   }