Reafctor app

app/models/transaction.py

@@ -0,0 +1,20 @@
+import uuid
+from sqlalchemy import Uuid, Column, DateTime, Enum, Float, ForeignKey
+from sqlalchemy.orm import relationship, backref
+
+from app.schemas.transaction import TransactionEventTriggerReason, TransactionStatus
+from app.database import Base
+
+class Transaction(Base):
+    __tablename__ = "transactions"
+
+    id = Column(Uuid, primary_key=True, default=uuid.uuid4)
+    status = Column(Enum(TransactionStatus), index=True)
+    started_at = Column(DateTime, index=True)
+    ended_at = Column(DateTime, nullable=True, index=True)
+    meter_start = Column(Float)
+    meter_end = Column(Float, nullable=True)
+    end_reason = Column(Enum(TransactionEventTriggerReason))
+
+    connector_id = Column(Uuid, ForeignKey("connectors.id"), index=True)
+    id_token_id = Column(Uuid, ForeignKey("id_tokens.id"), index= True)