a17fe518a9
This commit includes: - Project structure setup with FastAPI and SQLite - Database models and schemas for inventory management - CRUD operations for all entities - API endpoints for product, category, supplier, and inventory management - User authentication with JWT tokens - Initial database migration - Comprehensive README with setup instructions
41 lines
1.6 KiB
Python
41 lines
1.6 KiB
Python
from sqlalchemy import Column, Integer, String, ForeignKey, Float, DateTime, Text
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from sqlalchemy.sql import func
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from sqlalchemy.orm import relationship
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from app.db.base_class import BaseClass
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from app.db.base import Base
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class Inventory(Base, BaseClass):
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"""
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Inventory model for tracking stock levels of products.
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"""
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product_id = Column(Integer, ForeignKey("product.id"), nullable=False)
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quantity = Column(Integer, nullable=False, default=0)
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location = Column(String(255), nullable=True)
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last_counted_at = Column(DateTime(timezone=True), nullable=True)
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# Relationships
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product = relationship("Product", back_populates="inventory_items")
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class InventoryTransaction(Base, BaseClass):
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"""
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Inventory Transaction model for tracking stock movements.
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"""
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TRANSACTION_TYPES = ["purchase", "sale", "adjustment", "return", "transfer"]
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product_id = Column(Integer, ForeignKey("product.id"), nullable=False)
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quantity = Column(Integer, nullable=False)
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transaction_type = Column(String(50), nullable=False) # purchase, sale, adjustment, return, transfer
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reference = Column(String(255), nullable=True) # Order number, invoice number, etc.
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unit_price = Column(Float, nullable=True)
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notes = Column(Text, nullable=True)
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transaction_date = Column(DateTime(timezone=True), server_default=func.now())
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# Optional user who performed the transaction
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user_id = Column(Integer, ForeignKey("user.id"), nullable=True)
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# Relationships
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product = relationship("Product")
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user = relationship("User") |