feat(docs): codebase refactor - added src directory

7project/src/backend/app/models/transaction.py

@@ -0,0 +1,24 @@
+import os
+from fastapi_users_db_sqlalchemy import GUID
+from sqlalchemy import Column, Integer, String, Float, ForeignKey, Date, func
+from sqlalchemy.orm import relationship
+from sqlalchemy_utils import EncryptedType
+from sqlalchemy_utils.types.encrypted.encrypted_type import FernetEngine
+
+from app.core.base import Base
+from app.models.categories import association_table
+
+SECRET_KEY = os.environ.get("DB_ENCRYPTION_KEY", "localdev")
+
+
+class Transaction(Base):
+    __tablename__ = "transaction"
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    amount = Column(EncryptedType(Float, SECRET_KEY, engine=FernetEngine), nullable=False)
+    description = Column(EncryptedType(String(length=255), SECRET_KEY, engine=FernetEngine), nullable=True)
+    date = Column(Date, nullable=False, server_default=func.current_date())
+    user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
+
+    # Relationship
+    user = relationship("User", back_populates="transactions")
+    categories = relationship("Category", secondary=association_table, back_populates="transactions", passive_deletes=True)