From d0fb8bb50ffceb4c3d35d2f8bf959e0a8c3a08e8 Mon Sep 17 00:00:00 2001
From: Felix Martin <mail@felixm.de>
Date: Sat, 6 Jun 2026 11:00:27 -0400
Subject: [PATCH] Implement flip sign support for Amex

---
 src/toldg/models.py  | 1 +
 src/toldg/process.py | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/toldg/models.py b/src/toldg/models.py
index c0646b1..d954918 100644
--- a/src/toldg/models.py
+++ b/src/toldg/models.py
@@ -25,6 +25,7 @@ class CsvConfig(BaseModel):
     delimiter: str = ","
     quotechar: str = '"'
     currency: str = "USD"
+    flip_amount: bool = False
 
 
 class Config(BaseModel):
diff --git a/src/toldg/process.py b/src/toldg/process.py
index 33bae46..aa67a46 100644
--- a/src/toldg/process.py
+++ b/src/toldg/process.py
@@ -43,6 +43,8 @@ def get_transactions(csv_file: str, config: CsvConfig) -> list[Transaction]:
         required fields date, amount and description via the CsvConfig."""
         t = {field: row[index] for index, field in fields}
         amount = t["amount"]
+        if config.flip_amount:
+            amount = flip_sign(amount)
         return Transaction(
             currency=config.currency,
             debit=flip_sign(amount),