修复chat生成参数提交错误BUG|模型引擎积分设置关联开发优化成功|视频/图片生成引擎API开发完成

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

@@ -1,4 +1,4 @@
-from sqlalchemy import Float, ForeignKey, Integer, String
+from sqlalchemy import Float, Index, String
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.models.base import Base, TimestampMixin
@@ -6,13 +6,19 @@ from app.models.base import Base, TimestampMixin
 
 class CreditRatio(Base, TimestampMixin):
     __tablename__ = "credit_ratios"
+    __table_args__ = (
+        Index("ix_credit_ratios_gen_type_engine_resolution", "gen_type", "model_config_id", "resolution"),
+        Index("ix_credit_ratios_gen_type_resolution", "gen_type", "resolution"),
+    )
 
     id: Mapped[str] = mapped_column(String(32), primary_key=True)
-    model_config_id: Mapped[str] = mapped_column(
-        String(32), ForeignKey("model_configs.id")
-    )
-    gen_type: Mapped[str] = mapped_column(String(16), default="video")
-    resolution: Mapped[str] = mapped_column(String(16), nullable=False)
+    # 兼容旧字段名：
+    # gen_type=image 时，该字段保存 image_engines.id；
+    # gen_type=video 时，该字段保存 video_engines.id。
+    # 不再通过数据库外键绑定 model_configs.id，避免同一字段无法同时关联图片/视频引擎表。
+    model_config_id: Mapped[str] = mapped_column(String(32), index=True)
+    gen_type: Mapped[str] = mapped_column(String(16), default="video", index=True)
+    resolution: Mapped[str] = mapped_column(String(16), nullable=False, index=True)
     ratio: Mapped[float] = mapped_column(Float, nullable=False)
     base_credits: Mapped[float] = mapped_column(Float, default=80.0)
     per_second_credits: Mapped[float] = mapped_column(Float, default=2.0)