1、增加订单开发票功能和发票抬头添加功能

2、一个订单只能在一个开票里,不允许多开

video-gen-api/app/models/__init__.py

@@ -36,6 +36,7 @@ from app.models.user_oauth_account import UserOAuthAccount
 from app.models.user_oauth_app import UserOAuthApp
 from app.models.home_material import HomeMaterialAsset, HomeMaterialCategory, HomeMaterialWatermark
 from app.models.contact_request import ContactRequest
+from app.models.invoice import Invoice, InvoiceOrder
 from app.models.private_portrait import PrivatePortraitProject, PrivatePortraitValidateSession, PrivatePortraitAssetGroup, PrivatePortraitAsset
 from app.models.api import ApiKey, ApiGenerationTask, ApiUsageLog, ApiKeyUpscaleConfig, ApiUpscaleLink
 
@@ -57,4 +58,5 @@ __all__ = [
     "PrivatePortraitAssetGroup", "PrivatePortraitAsset",
     "ApiKey", "ApiGenerationTask", "ApiUsageLog", "ApiKeyUpscaleConfig", "ApiUpscaleLink",
     "ApiModelPricing",
+    "Invoice", "InvoiceOrder",
 ]

video-gen-api/app/models/invoice.py

@@ -0,0 +1,57 @@
+from datetime import datetime
+
+from sqlalchemy import DateTime, Float, ForeignKey, String, Text, UniqueConstraint, Index
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.models.base import Base, TimestampMixin
+
+
+class Invoice(Base, TimestampMixin):
+    __tablename__ = "invoices"
+
+    id: Mapped[str] = mapped_column(String(32), primary_key=True)
+    user_id: Mapped[str] = mapped_column(
+        String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True
+    )
+    invoice_no: Mapped[str] = mapped_column(String(32), unique=True, nullable=False)
+    header_type: Mapped[str] = mapped_column(String(16), nullable=False)
+    header_name: Mapped[str] = mapped_column(String(128), nullable=False)
+    header_tax_no: Mapped[str | None] = mapped_column(String(32), nullable=True)
+    header_register_address: Mapped[str | None] = mapped_column(String(256), nullable=True)
+    header_register_phone: Mapped[str | None] = mapped_column(String(32), nullable=True)
+    header_bank_name: Mapped[str | None] = mapped_column(String(128), nullable=True)
+    header_bank_account: Mapped[str | None] = mapped_column(String(64), nullable=True)
+    email: Mapped[str] = mapped_column(String(128), nullable=False)
+    total_amount: Mapped[float] = mapped_column(Float, nullable=False, default=0)
+    total_credits: Mapped[float] = mapped_column(Float, nullable=False, default=0)
+    status: Mapped[str] = mapped_column(String(16), nullable=False, default="processing")
+    failure_reason: Mapped[str | None] = mapped_column(Text, nullable=True)
+    issued_at: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), nullable=True
+    )
+
+    __table_args__ = (
+        Index('idx_invoices_user_created', 'user_id', 'created_at'),
+        Index('idx_invoices_status_created', 'status', 'created_at'),
+    )
+
+
+class InvoiceOrder(Base, TimestampMixin):
+    __tablename__ = "invoice_orders"
+
+    id: Mapped[str] = mapped_column(String(32), primary_key=True)
+    invoice_id: Mapped[str] = mapped_column(
+        String(32), ForeignKey("invoices.id", ondelete="CASCADE"), index=True
+    )
+    order_id: Mapped[str] = mapped_column(
+        String(32), ForeignKey("payment_orders.id", ondelete="CASCADE"), index=True
+    )
+    order_no: Mapped[str] = mapped_column(String(64), nullable=False)
+    amount: Mapped[float] = mapped_column(Float, nullable=False, default=0)
+    credits: Mapped[float] = mapped_column(Float, nullable=False, default=0)
+
+    __table_args__ = (
+        UniqueConstraint('invoice_id', 'order_id', name='uq_invoice_orders'),
+        Index('idx_invoice_orders_invoice', 'invoice_id'),
+        Index('idx_invoice_orders_order', 'order_id'),
+    )