Initial commit: intercompany ledger app

src/bank_importer/models.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from datetime import date, datetime
+from decimal import Decimal
+from pathlib import Path
+
+
+@dataclass(frozen=True)
+class NormalizedTransaction:
+    source_file: Path
+    sheet_name: str
+    source_row: int
+    transaction_at: datetime
+    income: Decimal
+    expense: Decimal
+    balance: Decimal | None
+    own_account: str | None
+    own_name: str | None
+    counterparty_account: str | None
+    counterparty_name: str | None
+    counterparty_bank: str | None
+    summary: str | None
+    purpose: str | None
+    reference: str | None
+    currency: str | None
+
+
+@dataclass(frozen=True)
+class StatementBatch:
+    source_file: Path
+    sheet_name: str
+    bank_name: str
+    template_id: str
+    header_row: int
+    own_account: str | None
+    own_name: str | None
+    period_start: date | None
+    period_end: date | None
+    transactions: tuple[NormalizedTransaction, ...]
+    warnings: tuple[str, ...]