54bf9880b9
This commit implements a comprehensive inventory management system for small businesses using FastAPI and SQLAlchemy. Features include: - Product and category management - Inventory tracking across multiple locations - Supplier management - Purchase management - Transaction tracking for inventory movements - Complete API documentation generated with BackendIM... (backend.im)
47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
from sqlalchemy import Column, String, Float, Integer, Text, Boolean, ForeignKey, DateTime
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from sqlalchemy.orm import relationship
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from app.models.base import BaseModel
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class Supplier(BaseModel):
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"""Supplier model"""
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__tablename__ = "suppliers"
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name = Column(String(255), nullable=False, index=True)
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contact_name = Column(String(100), nullable=True)
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email = Column(String(255), nullable=True)
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phone = Column(String(20), nullable=True)
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address = Column(Text, nullable=True)
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notes = Column(Text, nullable=True)
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is_active = Column(Boolean, default=True)
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# Relationships
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purchases = relationship("Purchase", back_populates="supplier")
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class Purchase(BaseModel):
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"""Purchase model for orders from suppliers"""
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__tablename__ = "purchases"
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supplier_id = Column(Integer, ForeignKey("suppliers.id"), nullable=False)
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reference_number = Column(String(100), nullable=True, unique=True)
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order_date = Column(DateTime, nullable=True)
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delivery_date = Column(DateTime, nullable=True)
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total_amount = Column(Float, nullable=False, default=0)
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notes = Column(Text, nullable=True)
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# Relationships
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supplier = relationship("Supplier", back_populates="purchases")
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purchase_items = relationship("PurchaseItem", back_populates="purchase")
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class PurchaseItem(BaseModel):
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"""Purchase item model for items in a purchase"""
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__tablename__ = "purchase_items"
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purchase_id = Column(Integer, ForeignKey("purchases.id"), nullable=False)
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product_id = Column(Integer, ForeignKey("products.id"), nullable=False)
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quantity = Column(Float, nullable=False)
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unit_price = Column(Float, nullable=False)
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total_price = Column(Float, nullable=False)
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# Relationships
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purchase = relationship("Purchase", back_populates="purchase_items")
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product = relationship("Product", back_populates="purchase_items") |