1d312e5ff6
- Created FastAPI application with SQLite database - Implemented models for inventory items, categories, suppliers, and transactions - Added authentication system with JWT tokens - Implemented CRUD operations for all models - Set up Alembic for database migrations - Added comprehensive API documentation - Configured Ruff for code linting
39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
from datetime import datetime
|
|
import enum
|
|
|
|
from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, Integer, String
|
|
from sqlalchemy.orm import relationship
|
|
|
|
from app.db.base import Base
|
|
|
|
|
|
class TransactionType(str, enum.Enum):
|
|
"""
|
|
Enum for transaction types (stock in or out).
|
|
"""
|
|
STOCK_IN = "stock_in"
|
|
STOCK_OUT = "stock_out"
|
|
|
|
|
|
class Transaction(Base):
|
|
"""
|
|
Transaction model for tracking inventory movements.
|
|
"""
|
|
__tablename__ = "transactions"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
quantity = Column(Integer, nullable=False)
|
|
transaction_type = Column(Enum(TransactionType), nullable=False)
|
|
unit_price = Column(Float, nullable=False)
|
|
total_price = Column(Float, nullable=False)
|
|
reference = Column(String, nullable=True)
|
|
notes = Column(String, nullable=True)
|
|
timestamp = Column(DateTime, default=datetime.utcnow, nullable=False)
|
|
|
|
# Foreign keys
|
|
item_id = Column(Integer, ForeignKey("items.id"), nullable=False)
|
|
user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
|
|
|
|
# Relationships
|
|
item = relationship("Item", back_populates="transactions")
|
|
user = relationship("User", back_populates="transactions") |