实现优先使用库存的配方一键生成

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)
+}