28 lines
1.2 KiB
Python
28 lines
1.2 KiB
Python
import ulid
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from sqlalchemy import Column, String, Numeric, DateTime, Text, Index
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from sqlalchemy.sql import func
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from app.core.database.db_session import Base
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class Invoice(Base):
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__tablename__ = "invoices"
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invoice_id = Column(String(26), primary_key=True, default=lambda: str(ulid.new()))
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invoice_no = Column(String(16), unique=True, nullable=False, index=True) # CBIC 16-char limit format: C1P2-26-000452
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order_id = Column(String(26), nullable=True, index=True)
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pos_transaction_id = Column(String(26), nullable=True, index=True)
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customer_id = Column(String(26), nullable=False, index=True)
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subtotal = Column(Numeric(10, 2), nullable=False)
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discount_amount = Column(Numeric(10, 2), default=0.00)
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cgst = Column(Numeric(10, 2), default=0.00)
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sgst = Column(Numeric(10, 2), default=0.00)
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igst = Column(Numeric(10, 2), default=0.00)
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total_amount = Column(Numeric(10, 2), nullable=False)
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pdf_path = Column(String(500), nullable=True)
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status = Column(String(30), default="GENERATED") # GENERATED, CANCELLED, REFUNDED
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created_at = Column(DateTime, server_default=func.now(), index=True)
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__table_args__ = (
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Index('idx_invoices_customer_date', 'customer_id', 'created_at'),
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)
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