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example_usage.py

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+#!/usr/bin/env python
+"""Example usage of WellsFargo extraction and transaction processing."""
+
+import json
+from pathlib import Path
+
+from transaction_processor import TransactionProcessor
+from wf_debit_extractor import WellsFargoPayloadExtractor
+
+
+def main():
+    # Load or extract WellsFargo payloads
+    extractor = WellsFargoPayloadExtractor()
+    extracted_objects = extractor.extract_from_file("posted.dat")
+
+    print(f"Extracted {len(extracted_objects)} WellsFargo payload(s)\n")
+
+    # Process transactions
+    processor = TransactionProcessor()
+    transactions = processor.extract_transactions(extracted_objects)
+
+    print(f"Found {len(transactions)} transaction(s)\n")
+
+    # Display first few transactions
+    for i, txn in enumerate(transactions[:5]):
+        print(f"Transaction {i + 1}:")
+        print(f"  ID: {txn['id']}")
+        print(
+            f"  Amount: ${txn['transaction_amount_cents'] / 100:.2f} ({txn['transaction_amount_cents']} cents)"
+        )
+        print(f"  Description: {txn['transaction_description']}")
+        print(f"  Transaction Date: {txn['transaction_date_datetime']} (ts: {txn['transaction_date_timestamp']})")
+        print(f"  Post Date: {txn['post_date_datetime']} (ts: {txn['post_date_timestamp']})")
+        print()
+
+    # Optionally save all processed transactions to JSON
+    output_file = Path("processed_transactions.json")
+    serializable = [
+        {
+            "id": txn["id"],
+            "transaction_amount_cents": txn["transaction_amount_cents"],
+            "transaction_date_timestamp": txn["transaction_date_timestamp"],
+            "transaction_date_datetime": txn["transaction_date_datetime"].isoformat(),
+            "post_date_timestamp": txn["post_date_timestamp"],
+            "post_date_datetime": txn["post_date_datetime"].isoformat(),
+            "transaction_description": txn["transaction_description"],
+        }
+        for txn in transactions
+    ]
+
+    with output_file.open("w", encoding="utf-8") as f:
+        json.dump(serializable, f, indent=2)
+
+    print(f"Saved {len(transactions)} processed transaction(s) to {output_file}")
+
+
+if __name__ == "__main__":
+    main()
+