实现优先使用库存的配方一键生成

internal/app/api/router.go

@@ -260,6 +260,7 @@ func (a *API) setupRoutes() {
 			feedGroup.GET("/recipes/:id", a.recipeController.GetRecipe)
 			feedGroup.GET("/recipes", a.recipeController.ListRecipes)
 			feedGroup.POST("/recipes/generate-from-all-materials/:pig_type_id", a.recipeController.GenerateFromAllMaterials)
+			feedGroup.POST("/recipes/generate-prioritized-stock/:pig_type_id", a.recipeController.GenerateFromAllMaterials)
 		}
 		logger.Debug("饲料管理相关接口注册成功 (需要认证和审计)")
 

internal/app/controller/feed/recipe_controller.go

@@ -225,3 +225,34 @@ func (c *RecipeController) GenerateFromAllMaterials(ctx echo.Context) error {
 	logger.Infof("%s: 配方生成成功, 新配方ID: %d", actionType, resp.ID)
 	return controller.SendSuccessWithAudit(ctx, controller.CodeCreated, "配方生成成功", resp, actionType, "配方生成成功", resp)
 }
+
+// GenerateRecipeWithPrioritizedStockRawMaterials godoc
+// @Summary      使用优先有库存原料的策略生成配方
+// @Description  根据指定的猪类型ID，优先使用有库存的原料，自动计算并创建一个配方。
+// @Tags         饲料管理-配方
+// @Security     BearerAuth
+// @Produce      json
+// @Param        pig_type_id path int true "猪类型ID"
+// @Success      201 {object} controller.Response{data=dto.GenerateRecipeResponse} "业务码为201代表创建成功"
+// @Router       /api/v1/feed/recipes/generate-prioritized-stock/{pig_type_id} [post]
+func (c *RecipeController) GenerateRecipeWithPrioritizedStockRawMaterials(ctx echo.Context) error {
+	reqCtx, logger := logs.Trace(ctx.Request().Context(), c.ctx, "GenerateRecipeWithPrioritizedStockRawMaterials")
+	const actionType = "生成优先使用库存原料的配方"
+
+	idStr := ctx.Param("pig_type_id")
+	id, err := strconv.ParseUint(idStr, 10, 32)
+	if err != nil {
+		logger.Errorf("%s: 猪类型ID格式错误: %v, ID: %s", actionType, err, idStr)
+		return controller.SendErrorWithAudit(ctx, controller.CodeBadRequest, "无效的猪类型ID格式", actionType, "猪类型ID格式错误", idStr)
+	}
+
+	recipe, err := c.recipeService.GenerateRecipeWithPrioritizedStockRawMaterials(reqCtx, uint32(id))
+	if err != nil {
+		logger.Errorf("%s: 服务层生成配方失败: %v, PigTypeID: %d", actionType, err, id)
+		return controller.SendErrorWithAudit(ctx, controller.CodeInternalError, "生成配方失败: "+err.Error(), actionType, "服务层生成配方失败", id)
+	}
+
+	resp := dto.ToGenerateRecipeResponse(recipe)
+	logger.Infof("%s: 配方生成成功, 新配方ID: %d", actionType, resp.ID)
+	return controller.SendSuccessWithAudit(ctx, controller.CodeCreated, "配方生成成功", resp, actionType, "配方生成成功", resp)
+}

internal/app/service/recipe_service.go

@@ -27,6 +27,8 @@ type RecipeService interface {
 	ListRecipes(ctx context.Context, req *dto.ListRecipeRequest) (*dto.ListRecipeResponse, error)
 	// GenerateRecipeWithAllRawMaterials 添加新方法
 	GenerateRecipeWithAllRawMaterials(ctx context.Context, pigTypeID uint32) (*models.Recipe, error)
+	// GenerateRecipeWithPrioritizedStockRawMaterials 生成新配方，优先使用有库存的原料
+	GenerateRecipeWithPrioritizedStockRawMaterials(ctx context.Context, pigTypeID uint32) (*models.Recipe, error)
 }
 
 // recipeServiceImpl 是 RecipeService 接口的实现
@@ -50,6 +52,13 @@ func (s *recipeServiceImpl) GenerateRecipeWithAllRawMaterials(ctx context.Contex
 	return s.recipeSvc.GenerateRecipeWithAllRawMaterials(serviceCtx, pigTypeID)
 }
 
+// GenerateRecipeWithPrioritizedStockRawMaterials 实现生成优先使用库存原料配方的方法
+func (s *recipeServiceImpl) GenerateRecipeWithPrioritizedStockRawMaterials(ctx context.Context, pigTypeID uint32) (*models.Recipe, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GenerateRecipeWithPrioritizedStockRawMaterials")
+	// 直接调用领域服务的方法
+	return s.recipeSvc.GenerateRecipeWithPrioritizedStockRawMaterials(serviceCtx, pigTypeID)
+}
+
 // CreateRecipe 创建配方
 func (s *recipeServiceImpl) CreateRecipe(ctx context.Context, req *dto.CreateRecipeRequest) (*dto.RecipeResponse, error) {
 	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreateRecipe")