Reafctor app

app/models/__init__.py

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+__all__ = [
+    "chargepoint",
+    "connector",
+    "id_token",
+    "meter_value",
+    "transaction",
+    "user"
+]

app/models/chargepoint.py

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+import uuid
+from sqlalchemy import Uuid, Boolean, Column, DateTime, String
+from sqlalchemy.orm import relationship
+
+from app.database import Base
+
+class ChargePoint(Base):
+    __tablename__ = "chargepoints"
+
+    id = Column(Uuid, primary_key=True, default=uuid.uuid4)
+    friendly_name = Column(String, unique=True, index=True)
+    is_active = Column(Boolean, default=True)
+    password = Column(String)
+    last_seen = Column(DateTime, nullable=True)
+
+    connectors = relationship("Connector", cascade="delete, delete-orphan")

app/models/connector.py

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+import uuid
+from sqlalchemy import Uuid, Column, Enum, ForeignKey, Integer
+
+from app.schemas.connector import ConnectorStatus
+from app.database import Base
+
+class Connector(Base):
+    __tablename__ = "connectors"
+
+    id = Column(Uuid, primary_key=True, default=uuid.uuid4)
+    evse = Column(Integer)
+    index = Column(Integer)
+    status = Column(Enum(ConnectorStatus))
+
+    chargepoint_id = Column(Uuid, ForeignKey("chargepoints.id"))

app/models/id_token.py

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+import uuid
+from sqlalchemy import Uuid, Boolean, Column, ForeignKey, String
+from sqlalchemy.orm import relationship
+
+from app.database import Base
+
+class IdToken(Base):
+    __tablename__ = "id_tokens"
+
+    id = Column(Uuid, primary_key=True, default=uuid.uuid4)
+    title = Column(String)
+    is_active = Column(Boolean, default=True)
+    token = Column(String, index=True)
+
+    owner_id = Column(Uuid, ForeignKey("users.id"))
+    owner = relationship("User", back_populates="id_tokens")

app/models/meter_value.py

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+import uuid
+from sqlalchemy import Uuid, Column, DateTime, Enum, Float, ForeignKey, String
+
+from app.database import Base
+from app.schemas.meter_value import Measurand, PhaseType
+
+class Transaction(Base):
+    __tablename__ = "meter_values"
+
+    id = Column(Uuid, primary_key=True, default=uuid.uuid4)
+    timestamp = Column(DateTime, index=True)
+    measurand = Column(Enum(Measurand))
+    phase_type = Column(Enum(PhaseType))
+    unit = Column(String)
+    value = Column(Float)
+
+    transaction_id = Column(Uuid, ForeignKey("transactions.id"), index=True)

app/models/transaction.py

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+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)

app/models/user.py

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+import uuid
+from sqlalchemy import Uuid, Boolean, Column, String
+from sqlalchemy.orm import relationship
+
+from app.database import Base
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Uuid, primary_key=True, default=uuid.uuid4)
+    friendly_name = Column(String, unique=True, index=True)
+    is_active = Column(Boolean, default=True)
+    
+    id_tokens = relationship("IdToken", back_populates="owner", cascade="delete, delete-orphan")