Implement flip sign support for Amex

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):

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),