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

video-gen-api/app/api/v1/generation_ai.py

@@ -6,6 +6,7 @@ from app.dependencies import get_current_user, get_db
 from app.models.chat_generation_task import ChatGenerationTask
 from app.models.user import User
 from app.schemas.generation_ai import (
+    GenerationAIEngineOptionsOut,
     GenerationAIHistoryDayItemsOut,
     GenerationAIHistoryGroupedOut,
     GenerationAIRetryOut,
@@ -15,6 +16,7 @@ from app.schemas.generation_ai import (
 )
 from app.services.generation_ai_service import (
     create_async_generation_task,
+    list_generation_ai_engine_options,
     list_async_generation_tasks,
     list_generation_history_day_items,
     list_generation_history_grouped_days,
@@ -29,6 +31,70 @@ router = APIRouter(
 )
 
 
+@router.get(
+    "/engines",
+    response_model=GenerationAIEngineOptionsOut,
+    summary="获取AI图片/视频可用引擎列表",
+    description=(
+        "获取当前启用状态的图片生成引擎和视频生成引擎。"
+        "返回格式为 engine.image 和 engine.video 两个数组。"
+        "前端创建 /generation-ai/tasks 任务时，可以把对应引擎 id 作为 engine_id 传入。"
+        "该接口只返回前端需要展示和选择的模型能力信息，不返回 api_key 等敏感配置。"
+    ),
+    responses={
+        200: {
+            "description": "查询成功，返回当前启用的图片/视频生成引擎列表",
+            "content": {
+                "application/json": {
+                    "example": {
+                        "engine": {
+                            "image": [
+                                {
+                                    "id": "image_engine_xxx",
+                                    "name": "豆包文生图",
+                                    "provider": "ark",
+                                    "model_name": "doubao-seedream-5-0-260128",
+                                    "supported_models": ["doubao-seedream-5-0-260128"],
+                                    "supported_sizes": {
+                                        "2K": {
+                                            "1:1": "2048x2048",
+                                            "16:9": "2560x1440",
+                                        }
+                                    },
+                                    "default_size": "2K",
+                                    "priority": 10,
+                                }
+                            ],
+                            "video": [
+                                {
+                                    "id": "video_engine_xxx",
+                                    "name": "Seedance 2.0",
+                                    "provider": "ark",
+                                    "model_name": "doubao-seedance-2-0-260128",
+                                    "supported_ratios": ["16:9", "4:3", "1:1", "3:4", "9:16", "21:9"],
+                                    "supported_resolutions": ["480p", "720p", "1080p"],
+                                    "supported_durations": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
+                                    "max_duration": 15,
+                                    "priority": 10,
+                                }
+                            ],
+                        }
+                    }
+                }
+            },
+        },
+        401: {
+            "description": "未登录或 Token 无效",
+        },
+    },
+)
+async def list_engines(
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await list_generation_ai_engine_options(db)
+
+
 @router.post(
     "/tasks",
     response_model=GenerationAITaskOut,