first commit

db/models.py

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+from dataclasses import dataclass
+from datetime import datetime
+from decimal import Decimal
+from typing import Optional
+
+
+@dataclass
+class UPIInwardRecord:
+    rrn: str
+    txn_date: str
+    txn_amt: Optional[Decimal]
+    credit_account: str
+    status: str
+    note: str
+    bank_code: str
+    txn_type: str   # will be CREDIT / DEBIT from parser
+
+    def to_dict(self):
+        return {
+            "BANKCODE": self.bank_code,
+            "RRN": self.rrn,
+            "TXN_DATE": self.txn_date,
+            "TXN_AMT": self.txn_amt,
+            "TXN_TYPE": self.txn_type,  # converted to CR before insert
+            "BENEFICIARY_ACCOUNT": self.credit_account,
+            "STATUS": self.status,
+            "NOTE": self.note,
+        }
+
+
+@dataclass
+class ProcessedFile:
+    filename: str
+    bankcode: str
+    file_path: str
+    transaction_count: int
+    status: str = 'SUCCESS'
+    error_message: Optional[str] = None
+    processed_at: Optional[datetime] = None
+
+    def to_dict(self):
+        return {
+            'filename': self.filename,
+            'bankcode': self.bankcode,
+            'file_path': self.file_path,
+            'transaction_count': self.transaction_count,
+            'status': self.status,
+            'error_message': self.error_message,
+            'processed_at': self.processed_at or datetime.now(),
+        }