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/api/v1/admin.py

@@ -651,6 +651,30 @@ async def delete_image_engine(
     return {"message": "ok"}
 
 
+
+
+async def _validate_credit_ratio_engine(db: AsyncSession, req: CreditRatioCreate) -> None:
+    """校验积分规则绑定的引擎是否存在。
+
+    CreditRatio.model_config_id 为兼容旧字段名，当前实际保存引擎ID：
+    - gen_type=image 时对应 image_engines.id
+    - gen_type=video 时对应 video_engines.id
+    """
+    gen_type = (req.gen_type or "").lower().strip()
+    engine_id = (req.model_config_id or "").strip()
+    if gen_type not in ("image", "video"):
+        raise HTTPException(status_code=400, detail="gen_type 仅支持 image 或 video")
+    if not engine_id:
+        raise HTTPException(status_code=400, detail="model_config_id 不能为空，当前字段用于保存图片/视频引擎ID")
+
+    model = ImageEngine if gen_type == "image" else VideoEngine
+    result = await db.execute(select(model).where(model.id == engine_id).limit(1))
+    engine = result.scalar_one_or_none()
+    if not engine:
+        detail = "图片积分规则绑定的图片引擎不存在" if gen_type == "image" else "视频积分规则绑定的视频引擎不存在"
+        raise HTTPException(status_code=400, detail=detail)
+
+
 # ── Credit Ratio ─────────────────────────────────────────
 
 @router.get("/credit-ratios", response_model=list[CreditRatioOut])
@@ -668,7 +692,11 @@ async def create_credit_ratio(
     admin: User = Depends(get_admin_user),
     db: AsyncSession = Depends(get_db),
 ):
-    ratio = CreditRatio(id=generate_id(), **req.model_dump())
+    await _validate_credit_ratio_engine(db, req)
+    data = req.model_dump()
+    data["gen_type"] = data["gen_type"].lower().strip()
+    data["model_config_id"] = data["model_config_id"].strip()
+    ratio = CreditRatio(id=generate_id(), **data)
     db.add(ratio)
     await db.flush()
     return ratio
@@ -687,7 +715,11 @@ async def update_credit_ratio(
     ratio = result.scalar_one_or_none()
     if not ratio:
         raise HTTPException(status_code=404, detail="积分比例不存在")
-    for k, v in req.model_dump().items():
+    await _validate_credit_ratio_engine(db, req)
+    data = req.model_dump()
+    data["gen_type"] = data["gen_type"].lower().strip()
+    data["model_config_id"] = data["model_config_id"].strip()
+    for k, v in data.items():
         setattr(ratio, k, v)
     await db.flush()
     return ratio