first commit

backend/app/services/parser_service.py

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+"""Parse raw OCR / multimodal extraction results into TransactionRecord instances."""
+from datetime import datetime
+from uuid import UUID
+
+from app.models.transaction import TransactionRecord, Direction
+from app.models.evidence_image import SourceApp
+
+
+def parse_extracted_fields(
+    raw: dict | list,
+    case_id: UUID,
+    image_id: UUID,
+    source_app: SourceApp,
+) -> list[TransactionRecord]:
+    """Convert raw extraction dict(s) into TransactionRecord ORM objects."""
+    items = raw if isinstance(raw, list) else [raw]
+    records: list[TransactionRecord] = []
+
+    for item in items:
+        if not item or not item.get("amount"):
+            continue
+
+        try:
+            trade_time = datetime.fromisoformat(item["trade_time"])
+        except (ValueError, KeyError):
+            trade_time = datetime.now()
+
+        direction_str = item.get("direction", "out")
+        direction = Direction.in_ if direction_str == "in" else Direction.out
+
+        record = TransactionRecord(
+            case_id=case_id,
+            evidence_image_id=image_id,
+            source_app=source_app,
+            trade_time=trade_time,
+            amount=float(item.get("amount", 0)),
+            direction=direction,
+            counterparty_name=str(item.get("counterparty_name", "")),
+            counterparty_account=str(item.get("counterparty_account", "")),
+            self_account_tail_no=str(item.get("self_account_tail_no", "")),
+            order_no=str(item.get("order_no", "")),
+            remark=str(item.get("remark", "")),
+            confidence=float(item.get("confidence", 0.5)),
+        )
+        records.append(record)
+
+    return records