重构配方类服务层

internal/app/service/feed_management_service.go

@@ -1,618 +0,0 @@
-package service
-
-import (
-	"context"
-	"errors"
-	"fmt"
-
-	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
-	"git.huangwc.com/pig/pig-farm-controller/internal/domain/recipe"
-	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
-	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
-	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
-)
-
-// 定义服务层特定的错误
-var (
-	ErrNutrientNameConflict    = errors.New("营养种类名称已存在")
-	ErrNutrientNotFound        = errors.New("营养种类不存在")
-	ErrRawMaterialNameConflict = errors.New("原料名称已存在")
-	ErrRawMaterialNotFound     = errors.New("原料不存在")
-	ErrPigBreedInUse           = errors.New("猪品种正在被猪类型使用，无法删除")
-	ErrPigBreedNotFound        = errors.New("猪品种不存在")
-	ErrPigAgeStageInUse        = errors.New("猪年龄阶段正在被猪类型使用，无法删除")
-	ErrPigAgeStageNotFound     = errors.New("猪年龄阶段不存在")
-	ErrPigTypeNotFound         = errors.New("猪类型不存在")
-)
-
-// FeedManagementService 定义了饲料管理的应用服务接口
-type FeedManagementService interface {
-	// 营养种类相关
-	CreateNutrient(ctx context.Context, req *dto.CreateNutrientRequest) (*dto.NutrientResponse, error)
-	UpdateNutrient(ctx context.Context, id uint32, req *dto.UpdateNutrientRequest) (*dto.NutrientResponse, error)
-	DeleteNutrient(ctx context.Context, id uint32) error
-	GetNutrient(ctx context.Context, id uint32) (*dto.NutrientResponse, error)
-	ListNutrients(ctx context.Context, req *dto.ListNutrientRequest) (*dto.ListNutrientResponse, error)
-
-	// 原料相关
-	CreateRawMaterial(ctx context.Context, req *dto.CreateRawMaterialRequest) (*dto.RawMaterialResponse, error)
-	UpdateRawMaterial(ctx context.Context, id uint32, req *dto.UpdateRawMaterialRequest) (*dto.RawMaterialResponse, error)
-	DeleteRawMaterial(ctx context.Context, id uint32) error
-	GetRawMaterial(ctx context.Context, id uint32) (*dto.RawMaterialResponse, error)
-	ListRawMaterials(ctx context.Context, req *dto.ListRawMaterialRequest) (*dto.ListRawMaterialResponse, error)
-	UpdateRawMaterialNutrients(ctx context.Context, id uint32, req *dto.UpdateRawMaterialNutrientsRequest) (*dto.RawMaterialResponse, error) // 新增
-
-	// 猪品种相关
-	CreatePigBreed(ctx context.Context, req *dto.CreatePigBreedRequest) (*dto.PigBreedResponse, error)
-	UpdatePigBreed(ctx context.Context, id uint32, req *dto.UpdatePigBreedRequest) (*dto.PigBreedResponse, error)
-	DeletePigBreed(ctx context.Context, id uint32) error
-	GetPigBreed(ctx context.Context, id uint32) (*dto.PigBreedResponse, error)
-	ListPigBreeds(ctx context.Context, req *dto.ListPigBreedRequest) (*dto.ListPigBreedResponse, error)
-
-	// 猪年龄阶段相关
-	CreatePigAgeStage(ctx context.Context, req *dto.CreatePigAgeStageRequest) (*dto.PigAgeStageResponse, error)
-	UpdatePigAgeStage(ctx context.Context, id uint32, req *dto.UpdatePigAgeStageRequest) (*dto.PigAgeStageResponse, error)
-	DeletePigAgeStage(ctx context.Context, id uint32) error
-	GetPigAgeStage(ctx context.Context, id uint32) (*dto.PigAgeStageResponse, error)
-	ListPigAgeStages(ctx context.Context, req *dto.ListPigAgeStageRequest) (*dto.ListPigAgeStageResponse, error)
-
-	// 猪类型相关
-	CreatePigType(ctx context.Context, req *dto.CreatePigTypeRequest) (*dto.PigTypeResponse, error)
-	UpdatePigType(ctx context.Context, id uint32, req *dto.UpdatePigTypeRequest) (*dto.PigTypeResponse, error)
-	DeletePigType(ctx context.Context, id uint32) error
-	GetPigType(ctx context.Context, id uint32) (*dto.PigTypeResponse, error)
-	ListPigTypes(ctx context.Context, req *dto.ListPigTypeRequest) (*dto.ListPigTypeResponse, error)
-	UpdatePigTypeNutrientRequirements(ctx context.Context, id uint32, req *dto.UpdatePigTypeNutrientRequirementsRequest) (*dto.PigTypeResponse, error) // 新增
-}
-
-// feedManagementServiceImpl 是 FeedManagementService 接口的实现
-type feedManagementServiceImpl struct {
-	ctx       context.Context
-	recipeSvc recipe.Service
-}
-
-// NewFeedManagementService 创建一个新的 FeedManagementService 实例
-func NewFeedManagementService(ctx context.Context, recipeSvc recipe.Service) FeedManagementService {
-	return &feedManagementServiceImpl{
-		ctx:       ctx,
-		recipeSvc: recipeSvc,
-	}
-}
-
-// =====================================================================================================================
-// 营养种类 (Nutrient) 实现
-// =====================================================================================================================
-
-// CreateNutrient 创建营养种类
-func (s *feedManagementServiceImpl) CreateNutrient(ctx context.Context, req *dto.CreateNutrientRequest) (*dto.NutrientResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreateNutrient")
-
-	nutrient, err := s.recipeSvc.CreateNutrient(serviceCtx, req.Name, req.Description)
-	if err != nil {
-		if errors.Is(err, recipe.ErrNutrientNameConflict) {
-			return nil, ErrNutrientNameConflict
-		}
-		return nil, fmt.Errorf("创建营养种类失败: %w", err)
-	}
-	return dto.ConvertNutrientToDTO(nutrient), nil
-}
-
-// UpdateNutrient 更新营养种类
-func (s *feedManagementServiceImpl) UpdateNutrient(ctx context.Context, id uint32, req *dto.UpdateNutrientRequest) (*dto.NutrientResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateNutrient")
-
-	nutrient, err := s.recipeSvc.UpdateNutrient(serviceCtx, id, req.Name, req.Description)
-	if err != nil {
-		if errors.Is(err, recipe.ErrNutrientNotFound) {
-			return nil, ErrNutrientNotFound
-		}
-		if errors.Is(err, recipe.ErrNutrientNameConflict) {
-			return nil, ErrNutrientNameConflict
-		}
-		return nil, fmt.Errorf("更新营养种类失败: %w", err)
-	}
-	return dto.ConvertNutrientToDTO(nutrient), nil
-}
-
-// DeleteNutrient 删除营养种类
-func (s *feedManagementServiceImpl) DeleteNutrient(ctx context.Context, id uint32) error {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeleteNutrient")
-	err := s.recipeSvc.DeleteNutrient(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrNutrientNotFound) {
-			return ErrNutrientNotFound
-		}
-		return fmt.Errorf("删除营养种类失败: %w", err)
-	}
-	return nil
-}
-
-// GetNutrient 获取单个营养种类
-func (s *feedManagementServiceImpl) GetNutrient(ctx context.Context, id uint32) (*dto.NutrientResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetNutrient")
-
-	nutrient, err := s.recipeSvc.GetNutrient(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrNutrientNotFound) {
-			return nil, ErrNutrientNotFound
-		}
-		return nil, fmt.Errorf("获取营养种类失败: %w", err)
-	}
-	return dto.ConvertNutrientToDTO(nutrient), nil
-}
-
-// ListNutrients 列出营养种类
-func (s *feedManagementServiceImpl) ListNutrients(ctx context.Context, req *dto.ListNutrientRequest) (*dto.ListNutrientResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListNutrients")
-
-	opts := repository.NutrientListOptions{
-		Name:            req.Name,
-		RawMaterialName: req.RawMaterialName,
-		OrderBy:         req.OrderBy,
-	}
-	nutrients, total, err := s.recipeSvc.ListNutrients(serviceCtx, opts, req.Page, req.PageSize)
-	if err != nil {
-		return nil, fmt.Errorf("获取营养种类列表失败: %w", err)
-	}
-
-	return dto.ConvertNutrientListToDTO(nutrients, total, req.Page, req.PageSize), nil
-}
-
-// =====================================================================================================================
-// 原料 (RawMaterial) 实现
-// =====================================================================================================================
-
-// CreateRawMaterial 创建原料
-func (s *feedManagementServiceImpl) CreateRawMaterial(ctx context.Context, req *dto.CreateRawMaterialRequest) (*dto.RawMaterialResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreateRawMaterial")
-
-	rawMaterial, err := s.recipeSvc.CreateRawMaterial(serviceCtx, req.Name, req.Description)
-	if err != nil {
-		if errors.Is(err, recipe.ErrRawMaterialNameConflict) {
-			return nil, ErrRawMaterialNameConflict
-		}
-		return nil, fmt.Errorf("创建原料失败: %w", err)
-	}
-
-	return dto.ConvertRawMaterialToDTO(rawMaterial), nil
-}
-
-// UpdateRawMaterial 更新原料
-func (s *feedManagementServiceImpl) UpdateRawMaterial(ctx context.Context, id uint32, req *dto.UpdateRawMaterialRequest) (*dto.RawMaterialResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateRawMaterial")
-
-	rawMaterial, err := s.recipeSvc.UpdateRawMaterial(serviceCtx, id, req.Name, req.Description)
-	if err != nil {
-		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
-			return nil, ErrRawMaterialNotFound
-		}
-		if errors.Is(err, recipe.ErrRawMaterialNameConflict) {
-			return nil, ErrRawMaterialNameConflict
-		}
-		return nil, fmt.Errorf("更新原料失败: %w", err)
-	}
-	return dto.ConvertRawMaterialToDTO(rawMaterial), nil
-}
-
-// DeleteRawMaterial 删除原料
-func (s *feedManagementServiceImpl) DeleteRawMaterial(ctx context.Context, id uint32) error {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeleteRawMaterial")
-	err := s.recipeSvc.DeleteRawMaterial(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
-			return ErrRawMaterialNotFound
-		}
-		return fmt.Errorf("删除原料失败: %w", err)
-	}
-	return nil
-}
-
-// GetRawMaterial 获取单个原料
-func (s *feedManagementServiceImpl) GetRawMaterial(ctx context.Context, id uint32) (*dto.RawMaterialResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetRawMaterial")
-
-	rawMaterial, err := s.recipeSvc.GetRawMaterial(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
-			return nil, ErrRawMaterialNotFound
-		}
-		return nil, fmt.Errorf("获取原料失败: %w", err)
-	}
-	return dto.ConvertRawMaterialToDTO(rawMaterial), nil
-}
-
-// ListRawMaterials 列出原料
-func (s *feedManagementServiceImpl) ListRawMaterials(ctx context.Context, req *dto.ListRawMaterialRequest) (*dto.ListRawMaterialResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListRawMaterials")
-
-	opts := repository.RawMaterialListOptions{
-		Name:         req.Name,
-		NutrientName: req.NutrientName,
-		OrderBy:      req.OrderBy,
-	}
-	rawMaterials, total, err := s.recipeSvc.ListRawMaterials(serviceCtx, opts, req.Page, req.PageSize)
-	if err != nil {
-		return nil, fmt.Errorf("获取原料列表失败: %w", err)
-	}
-
-	return dto.ConvertRawMaterialListToDTO(rawMaterials, total, req.Page, req.PageSize), nil
-}
-
-// UpdateRawMaterialNutrients 全量更新原料的营养成分
-func (s *feedManagementServiceImpl) UpdateRawMaterialNutrients(ctx context.Context, id uint32, req *dto.UpdateRawMaterialNutrientsRequest) (*dto.RawMaterialResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateRawMaterialNutrients")
-
-	// 1. 将 DTO 转换为领域模型
-	nutrients := make([]models.RawMaterialNutrient, len(req.Nutrients))
-	for i, item := range req.Nutrients {
-		nutrients[i] = models.RawMaterialNutrient{
-			RawMaterialID: id,
-			NutrientID:    item.NutrientID,
-			Value:         item.Value,
-		}
-	}
-
-	// 2. 调用领域服务执行更新命令
-	err := s.recipeSvc.UpdateRawMaterialNutrients(serviceCtx, id, nutrients)
-	if err != nil {
-		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
-			return nil, ErrRawMaterialNotFound
-		}
-		// 此处可以根据领域层可能返回的其他特定错误进行转换
-		return nil, fmt.Errorf("更新原料营养成分失败: %w", err)
-	}
-
-	// 3. 更新成功后，调用查询服务获取最新的原料信息
-	updatedRawMaterial, err := s.recipeSvc.GetRawMaterial(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
-			// 理论上不应该发生，因为刚更新成功
-			return nil, ErrRawMaterialNotFound
-		}
-		return nil, fmt.Errorf("更新后获取原料信息失败: %w", err)
-	}
-
-	// 4. 将领域模型转换为 DTO 并返回
-	return dto.ConvertRawMaterialToDTO(updatedRawMaterial), nil
-}
-
-// =====================================================================================================================
-// 猪品种 (PigBreed) 实现
-// =====================================================================================================================
-
-// CreatePigBreed 创建猪品种
-func (s *feedManagementServiceImpl) CreatePigBreed(ctx context.Context, req *dto.CreatePigBreedRequest) (*dto.PigBreedResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreatePigBreed")
-
-	breed := &models.PigBreed{
-		Name:               req.Name,
-		Description:        req.Description,
-		ParentInfo:         req.ParentInfo,
-		AppearanceFeatures: req.AppearanceFeatures,
-		BreedAdvantages:    req.BreedAdvantages,
-		BreedDisadvantages: req.BreedDisadvantages,
-	}
-
-	if err := s.recipeSvc.CreatePigBreed(serviceCtx, breed); err != nil {
-		return nil, fmt.Errorf("创建猪品种失败: %w", err)
-	}
-	return dto.ConvertPigBreedToDTO(breed), nil
-}
-
-// UpdatePigBreed 更新猪品种
-func (s *feedManagementServiceImpl) UpdatePigBreed(ctx context.Context, id uint32, req *dto.UpdatePigBreedRequest) (*dto.PigBreedResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigBreed")
-
-	breed := &models.PigBreed{
-		Model:              models.Model{ID: id},
-		Name:               req.Name,
-		Description:        req.Description,
-		ParentInfo:         req.ParentInfo,
-		AppearanceFeatures: req.AppearanceFeatures,
-		BreedAdvantages:    req.BreedAdvantages,
-		BreedDisadvantages: req.BreedDisadvantages,
-	}
-
-	if err := s.recipeSvc.UpdatePigBreed(serviceCtx, breed); err != nil {
-		if errors.Is(err, recipe.ErrPigBreedNotFound) {
-			return nil, ErrPigBreedNotFound
-		}
-		return nil, fmt.Errorf("更新猪品种失败: %w", err)
-	}
-	return dto.ConvertPigBreedToDTO(breed), nil
-}
-
-// DeletePigBreed 删除猪品种
-func (s *feedManagementServiceImpl) DeletePigBreed(ctx context.Context, id uint32) error {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeletePigBreed")
-	err := s.recipeSvc.DeletePigBreed(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigBreedNotFound) {
-			return ErrPigBreedNotFound
-		}
-		if errors.Is(err, recipe.ErrPigBreedInUse) {
-			return ErrPigBreedInUse
-		}
-		return fmt.Errorf("删除猪品种失败: %w", err)
-	}
-	return nil
-}
-
-// GetPigBreed 获取单个猪品种
-func (s *feedManagementServiceImpl) GetPigBreed(ctx context.Context, id uint32) (*dto.PigBreedResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetPigBreed")
-
-	breed, err := s.recipeSvc.GetPigBreedByID(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigBreedNotFound) {
-			return nil, ErrPigBreedNotFound
-		}
-		return nil, fmt.Errorf("获取猪品种失败: %w", err)
-	}
-	return dto.ConvertPigBreedToDTO(breed), nil
-}
-
-// ListPigBreeds 列出猪品种
-func (s *feedManagementServiceImpl) ListPigBreeds(ctx context.Context, req *dto.ListPigBreedRequest) (*dto.ListPigBreedResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListPigBreeds")
-
-	opts := repository.PigBreedListOptions{
-		Name:    req.Name,
-		OrderBy: req.OrderBy,
-	}
-	breeds, total, err := s.recipeSvc.ListPigBreeds(serviceCtx, opts, req.Page, req.PageSize)
-	if err != nil {
-		return nil, fmt.Errorf("获取猪品种列表失败: %w", err)
-	}
-
-	return dto.ConvertPigBreedListToDTO(breeds, total, req.Page, req.PageSize), nil
-}
-
-// =====================================================================================================================
-// 猪年龄阶段 (PigAgeStage) 实现
-// =====================================================================================================================
-
-// CreatePigAgeStage 创建猪年龄阶段
-func (s *feedManagementServiceImpl) CreatePigAgeStage(ctx context.Context, req *dto.CreatePigAgeStageRequest) (*dto.PigAgeStageResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreatePigAgeStage")
-
-	ageStage := &models.PigAgeStage{
-		Name:        req.Name,
-		Description: req.Description,
-	}
-
-	if err := s.recipeSvc.CreatePigAgeStage(serviceCtx, ageStage); err != nil {
-		return nil, fmt.Errorf("创建猪年龄阶段失败: %w", err)
-	}
-	return dto.ConvertPigAgeStageToDTO(ageStage), nil
-}
-
-// UpdatePigAgeStage 更新猪年龄阶段
-func (s *feedManagementServiceImpl) UpdatePigAgeStage(ctx context.Context, id uint32, req *dto.UpdatePigAgeStageRequest) (*dto.PigAgeStageResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigAgeStage")
-
-	ageStage := &models.PigAgeStage{
-		Model:       models.Model{ID: id},
-		Name:        req.Name,
-		Description: req.Description,
-	}
-
-	if err := s.recipeSvc.UpdatePigAgeStage(serviceCtx, ageStage); err != nil {
-		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
-			return nil, ErrPigAgeStageNotFound
-		}
-		return nil, fmt.Errorf("更新猪年龄阶段失败: %w", err)
-	}
-	return dto.ConvertPigAgeStageToDTO(ageStage), nil
-}
-
-// DeletePigAgeStage 删除猪年龄阶段
-func (s *feedManagementServiceImpl) DeletePigAgeStage(ctx context.Context, id uint32) error {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeletePigAgeStage")
-	err := s.recipeSvc.DeletePigAgeStage(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
-			return ErrPigAgeStageNotFound
-		}
-		if errors.Is(err, recipe.ErrPigAgeStageInUse) {
-			return ErrPigAgeStageInUse
-		}
-		return fmt.Errorf("删除猪年龄阶段失败: %w", err)
-	}
-	return nil
-}
-
-// GetPigAgeStage 获取单个猪年龄阶段
-func (s *feedManagementServiceImpl) GetPigAgeStage(ctx context.Context, id uint32) (*dto.PigAgeStageResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetPigAgeStage")
-
-	ageStage, err := s.recipeSvc.GetPigAgeStageByID(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
-			return nil, ErrPigAgeStageNotFound
-		}
-		return nil, fmt.Errorf("获取猪年龄阶段失败: %w", err)
-	}
-	return dto.ConvertPigAgeStageToDTO(ageStage), nil
-}
-
-// ListPigAgeStages 列出猪年龄阶段
-func (s *feedManagementServiceImpl) ListPigAgeStages(ctx context.Context, req *dto.ListPigAgeStageRequest) (*dto.ListPigAgeStageResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListPigAgeStages")
-
-	opts := repository.PigAgeStageListOptions{
-		Name:    req.Name,
-		OrderBy: req.OrderBy,
-	}
-	ageStages, total, err := s.recipeSvc.ListPigAgeStages(serviceCtx, opts, req.Page, req.PageSize)
-	if err != nil {
-		return nil, fmt.Errorf("获取猪年龄阶段列表失败: %w", err)
-	}
-
-	return dto.ConvertPigAgeStageListToDTO(ageStages, total, req.Page, req.PageSize), nil
-}
-
-// =====================================================================================================================
-// 猪类型 (PigType) 实现
-// =====================================================================================================================
-
-// CreatePigType 创建猪类型
-func (s *feedManagementServiceImpl) CreatePigType(ctx context.Context, req *dto.CreatePigTypeRequest) (*dto.PigTypeResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreatePigType")
-
-	pigType := &models.PigType{
-		BreedID:         req.BreedID,
-		AgeStageID:      req.AgeStageID,
-		Description:     req.Description,
-		DailyFeedIntake: req.DailyFeedIntake,
-		DailyGainWeight: req.DailyGainWeight,
-		MinDays:         req.MinDays,
-		MaxDays:         req.MaxDays,
-		MinWeight:       req.MinWeight,
-		MaxWeight:       req.MaxWeight,
-	}
-
-	if err := s.recipeSvc.CreatePigType(serviceCtx, pigType); err != nil {
-		if errors.Is(err, recipe.ErrPigBreedNotFound) {
-			return nil, ErrPigBreedNotFound
-		}
-		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
-			return nil, ErrPigAgeStageNotFound
-		}
-		return nil, fmt.Errorf("创建猪类型失败: %w", err)
-	}
-	// 创建后需要重新获取，以包含关联数据
-	createdPigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, pigType.ID)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) { // 理论上不应该发生，因为刚创建
-			return nil, ErrPigTypeNotFound
-		}
-		return nil, fmt.Errorf("创建猪类型后获取详情失败: %w", err)
-	}
-	return dto.ConvertPigTypeToDTO(createdPigType), nil
-}
-
-// UpdatePigType 更新猪类型
-func (s *feedManagementServiceImpl) UpdatePigType(ctx context.Context, id uint32, req *dto.UpdatePigTypeRequest) (*dto.PigTypeResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigType")
-
-	pigType := &models.PigType{
-		Model:           models.Model{ID: id},
-		BreedID:         req.BreedID,
-		AgeStageID:      req.AgeStageID,
-		Description:     req.Description,
-		DailyFeedIntake: req.DailyFeedIntake,
-		DailyGainWeight: req.DailyGainWeight,
-		MinDays:         req.MinDays,
-		MaxDays:         req.MaxDays,
-		MinWeight:       req.MinWeight,
-		MaxWeight:       req.MaxWeight,
-	}
-
-	if err := s.recipeSvc.UpdatePigType(serviceCtx, pigType); err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) {
-			return nil, ErrPigTypeNotFound
-		}
-		if errors.Is(err, recipe.ErrPigBreedNotFound) {
-			return nil, ErrPigBreedNotFound
-		}
-		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
-			return nil, ErrPigAgeStageNotFound
-		}
-		return nil, fmt.Errorf("更新猪类型失败: %w", err)
-	}
-	// 更新后需要重新获取，以包含关联数据
-	updatedPigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) { // 理论上不应该发生，因为刚更新成功
-			return nil, ErrPigTypeNotFound
-		}
-		return nil, fmt.Errorf("更新猪类型后获取详情失败: %w", err)
-	}
-	return dto.ConvertPigTypeToDTO(updatedPigType), nil
-}
-
-// DeletePigType 删除猪类型
-func (s *feedManagementServiceImpl) DeletePigType(ctx context.Context, id uint32) error {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeletePigType")
-	err := s.recipeSvc.DeletePigType(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) {
-			return ErrPigTypeNotFound
-		}
-		return fmt.Errorf("删除猪类型失败: %w", err)
-	}
-	return nil
-}
-
-// GetPigType 获取单个猪类型
-func (s *feedManagementServiceImpl) GetPigType(ctx context.Context, id uint32) (*dto.PigTypeResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetPigType")
-
-	pigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) {
-			return nil, ErrPigTypeNotFound
-		}
-		return nil, fmt.Errorf("获取猪类型失败: %w", err)
-	}
-	return dto.ConvertPigTypeToDTO(pigType), nil
-}
-
-// ListPigTypes 列出猪类型
-func (s *feedManagementServiceImpl) ListPigTypes(ctx context.Context, req *dto.ListPigTypeRequest) (*dto.ListPigTypeResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListPigTypes")
-
-	opts := repository.PigTypeListOptions{
-		BreedID:      req.BreedID,
-		AgeStageID:   req.AgeStageID,
-		BreedName:    req.BreedName,
-		AgeStageName: req.AgeStageName,
-		OrderBy:      req.OrderBy,
-	}
-	pigTypes, total, err := s.recipeSvc.ListPigTypes(serviceCtx, opts, req.Page, req.PageSize)
-	if err != nil {
-		return nil, fmt.Errorf("获取猪类型列表失败: %w", err)
-	}
-
-	return dto.ConvertPigTypeListToDTO(pigTypes, total, req.Page, req.PageSize), nil
-}
-
-// UpdatePigTypeNutrientRequirements 全量更新猪类型的营养需求
-func (s *feedManagementServiceImpl) UpdatePigTypeNutrientRequirements(ctx context.Context, id uint32, req *dto.UpdatePigTypeNutrientRequirementsRequest) (*dto.PigTypeResponse, error) {
-	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigTypeNutrientRequirements")
-
-	// 1. 将 DTO 转换为领域模型
-	requirements := make([]models.PigNutrientRequirement, len(req.NutrientRequirements))
-	for i, item := range req.NutrientRequirements {
-		requirements[i] = models.PigNutrientRequirement{
-			PigTypeID:      id, // 设置所属的 PigTypeID
-			NutrientID:     item.NutrientID,
-			MinRequirement: item.MinRequirement,
-			MaxRequirement: item.MaxRequirement,
-		}
-	}
-
-	// 2. 调用领域服务执行更新命令
-	err := s.recipeSvc.UpdatePigTypeNutrientRequirements(serviceCtx, id, requirements)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) {
-			return nil, ErrPigTypeNotFound
-		}
-		// 此处可以根据领域层可能返回的其他特定错误进行转换
-		return nil, fmt.Errorf("更新猪类型营养需求失败: %w", err)
-	}
-
-	// 3. 更新成功后，调用查询服务获取最新的猪类型信息
-	updatedPigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, id)
-	if err != nil {
-		if errors.Is(err, recipe.ErrPigTypeNotFound) {
-			// 理论上不应该发生，因为刚更新成功
-			return nil, ErrPigTypeNotFound
-		}
-		return nil, fmt.Errorf("更新后获取猪类型信息失败: %w", err)
-	}
-
-	// 4. 将领域模型转换为 DTO 并返回
-	return dto.ConvertPigTypeToDTO(updatedPigType), nil
-}

internal/app/service/nutrient_service.go

@@ -0,0 +1,116 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
+	"git.huangwc.com/pig/pig-farm-controller/internal/domain/recipe"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
+)
+
+// 定义营养种类服务特定的错误
+var (
+	ErrNutrientNameConflict = errors.New("营养种类名称已存在")
+	ErrNutrientNotFound     = errors.New("营养种类不存在")
+)
+
+// NutrientService 定义了营养种类相关的应用服务接口
+type NutrientService interface {
+	CreateNutrient(ctx context.Context, req *dto.CreateNutrientRequest) (*dto.NutrientResponse, error)
+	UpdateNutrient(ctx context.Context, id uint32, req *dto.UpdateNutrientRequest) (*dto.NutrientResponse, error)
+	DeleteNutrient(ctx context.Context, id uint32) error
+	GetNutrient(ctx context.Context, id uint32) (*dto.NutrientResponse, error)
+	ListNutrients(ctx context.Context, req *dto.ListNutrientRequest) (*dto.ListNutrientResponse, error)
+}
+
+// nutrientServiceImpl 是 NutrientService 接口的实现
+type nutrientServiceImpl struct {
+	ctx       context.Context
+	recipeSvc recipe.Service
+}
+
+// NewNutrientService 创建一个新的 NutrientService 实例
+func NewNutrientService(ctx context.Context, recipeSvc recipe.Service) NutrientService {
+	return &nutrientServiceImpl{
+		ctx:       ctx,
+		recipeSvc: recipeSvc,
+	}
+}
+
+// CreateNutrient 创建营养种类
+func (s *nutrientServiceImpl) CreateNutrient(ctx context.Context, req *dto.CreateNutrientRequest) (*dto.NutrientResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreateNutrient")
+
+	nutrient, err := s.recipeSvc.CreateNutrient(serviceCtx, req.Name, req.Description)
+	if err != nil {
+		if errors.Is(err, recipe.ErrNutrientNameConflict) {
+			return nil, ErrNutrientNameConflict
+		}
+		return nil, fmt.Errorf("创建营养种类失败: %w", err)
+	}
+	return dto.ConvertNutrientToDTO(nutrient), nil
+}
+
+// UpdateNutrient 更新营养种类
+func (s *nutrientServiceImpl) UpdateNutrient(ctx context.Context, id uint32, req *dto.UpdateNutrientRequest) (*dto.NutrientResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateNutrient")
+
+	nutrient, err := s.recipeSvc.UpdateNutrient(serviceCtx, id, req.Name, req.Description)
+	if err != nil {
+		if errors.Is(err, recipe.ErrNutrientNotFound) {
+			return nil, ErrNutrientNotFound
+		}
+		if errors.Is(err, recipe.ErrNutrientNameConflict) {
+			return nil, ErrNutrientNameConflict
+		}
+		return nil, fmt.Errorf("更新营养种类失败: %w", err)
+	}
+	return dto.ConvertNutrientToDTO(nutrient), nil
+}
+
+// DeleteNutrient 删除营养种类
+func (s *nutrientServiceImpl) DeleteNutrient(ctx context.Context, id uint32) error {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeleteNutrient")
+	err := s.recipeSvc.DeleteNutrient(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrNutrientNotFound) {
+			return ErrNutrientNotFound
+		}
+		return fmt.Errorf("删除营养种类失败: %w", err)
+	}
+	return nil
+}
+
+// GetNutrient 获取单个营养种类
+func (s *nutrientServiceImpl) GetNutrient(ctx context.Context, id uint32) (*dto.NutrientResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetNutrient")
+
+	nutrient, err := s.recipeSvc.GetNutrient(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrNutrientNotFound) {
+			return nil, ErrNutrientNotFound
+		}
+		return nil, fmt.Errorf("获取营养种类失败: %w", err)
+	}
+	return dto.ConvertNutrientToDTO(nutrient), nil
+}
+
+// ListNutrients 列出营养种类
+func (s *nutrientServiceImpl) ListNutrients(ctx context.Context, req *dto.ListNutrientRequest) (*dto.ListNutrientResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListNutrients")
+
+	opts := repository.NutrientListOptions{
+		Name:            req.Name,
+		RawMaterialName: req.RawMaterialName,
+		OrderBy:         req.OrderBy,
+	}
+	nutrients, total, err := s.recipeSvc.ListNutrients(serviceCtx, opts, req.Page, req.PageSize)
+	if err != nil {
+		return nil, fmt.Errorf("获取营养种类列表失败: %w", err)
+	}
+
+	return dto.ConvertNutrientListToDTO(nutrients, total, req.Page, req.PageSize), nil
+}

internal/app/service/pig_age_stage_service.go

@@ -0,0 +1,122 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
+	"git.huangwc.com/pig/pig-farm-controller/internal/domain/recipe"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
+)
+
+// 定义猪年龄阶段服务特定的错误
+var (
+	ErrPigAgeStageInUse    = errors.New("猪年龄阶段正在被猪类型使用，无法删除")
+	ErrPigAgeStageNotFound = errors.New("猪年龄阶段不存在")
+)
+
+// PigAgeStageService 定义了猪年龄阶段相关的应用服务接口
+type PigAgeStageService interface {
+	CreatePigAgeStage(ctx context.Context, req *dto.CreatePigAgeStageRequest) (*dto.PigAgeStageResponse, error)
+	UpdatePigAgeStage(ctx context.Context, id uint32, req *dto.UpdatePigAgeStageRequest) (*dto.PigAgeStageResponse, error)
+	DeletePigAgeStage(ctx context.Context, id uint32) error
+	GetPigAgeStage(ctx context.Context, id uint32) (*dto.PigAgeStageResponse, error)
+	ListPigAgeStages(ctx context.Context, req *dto.ListPigAgeStageRequest) (*dto.ListPigAgeStageResponse, error)
+}
+
+// pigAgeStageServiceImpl 是 PigAgeStageService 接口的实现
+type pigAgeStageServiceImpl struct {
+	ctx       context.Context
+	recipeSvc recipe.Service
+}
+
+// NewPigAgeStageService 创建一个新的 PigAgeStageService 实例
+func NewPigAgeStageService(ctx context.Context, recipeSvc recipe.Service) PigAgeStageService {
+	return &pigAgeStageServiceImpl{
+		ctx:       ctx,
+		recipeSvc: recipeSvc,
+	}
+}
+
+// CreatePigAgeStage 创建猪年龄阶段
+func (s *pigAgeStageServiceImpl) CreatePigAgeStage(ctx context.Context, req *dto.CreatePigAgeStageRequest) (*dto.PigAgeStageResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreatePigAgeStage")
+
+	ageStage := &models.PigAgeStage{
+		Name:        req.Name,
+		Description: req.Description,
+	}
+
+	if err := s.recipeSvc.CreatePigAgeStage(serviceCtx, ageStage); err != nil {
+		return nil, fmt.Errorf("创建猪年龄阶段失败: %w", err)
+	}
+	return dto.ConvertPigAgeStageToDTO(ageStage), nil
+}
+
+// UpdatePigAgeStage 更新猪年龄阶段
+func (s *pigAgeStageServiceImpl) UpdatePigAgeStage(ctx context.Context, id uint32, req *dto.UpdatePigAgeStageRequest) (*dto.PigAgeStageResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigAgeStage")
+
+	ageStage := &models.PigAgeStage{
+		Model:       models.Model{ID: id},
+		Name:        req.Name,
+		Description: req.Description,
+	}
+
+	if err := s.recipeSvc.UpdatePigAgeStage(serviceCtx, ageStage); err != nil {
+		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
+			return nil, ErrPigAgeStageNotFound
+		}
+		return nil, fmt.Errorf("更新猪年龄阶段失败: %w", err)
+	}
+	return dto.ConvertPigAgeStageToDTO(ageStage), nil
+}
+
+// DeletePigAgeStage 删除猪年龄阶段
+func (s *pigAgeStageServiceImpl) DeletePigAgeStage(ctx context.Context, id uint32) error {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeletePigAgeStage")
+	err := s.recipeSvc.DeletePigAgeStage(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
+			return ErrPigAgeStageNotFound
+		}
+		if errors.Is(err, recipe.ErrPigAgeStageInUse) {
+			return ErrPigAgeStageInUse
+		}
+		return fmt.Errorf("删除猪年龄阶段失败: %w", err)
+	}
+	return nil
+}
+
+// GetPigAgeStage 获取单个猪年龄阶段
+func (s *pigAgeStageServiceImpl) GetPigAgeStage(ctx context.Context, id uint32) (*dto.PigAgeStageResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetPigAgeStage")
+
+	ageStage, err := s.recipeSvc.GetPigAgeStageByID(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
+			return nil, ErrPigAgeStageNotFound
+		}
+		return nil, fmt.Errorf("获取猪年龄阶段失败: %w", err)
+	}
+	return dto.ConvertPigAgeStageToDTO(ageStage), nil
+}
+
+// ListPigAgeStages 列出猪年龄阶段
+func (s *pigAgeStageServiceImpl) ListPigAgeStages(ctx context.Context, req *dto.ListPigAgeStageRequest) (*dto.ListPigAgeStageResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListPigAgeStages")
+
+	opts := repository.PigAgeStageListOptions{
+		Name:    req.Name,
+		OrderBy: req.OrderBy,
+	}
+	ageStages, total, err := s.recipeSvc.ListPigAgeStages(serviceCtx, opts, req.Page, req.PageSize)
+	if err != nil {
+		return nil, fmt.Errorf("获取猪年龄阶段列表失败: %w", err)
+	}
+
+	return dto.ConvertPigAgeStageListToDTO(ageStages, total, req.Page, req.PageSize), nil
+}

internal/app/service/pig_breed_service.go

@@ -0,0 +1,130 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
+	"git.huangwc.com/pig/pig-farm-controller/internal/domain/recipe"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
+)
+
+// 定义猪品种服务特定的错误
+var (
+	ErrPigBreedInUse    = errors.New("猪品种正在被猪类型使用，无法删除")
+	ErrPigBreedNotFound = errors.New("猪品种不存在")
+)
+
+// PigBreedService 定义了猪品种相关的应用服务接口
+type PigBreedService interface {
+	CreatePigBreed(ctx context.Context, req *dto.CreatePigBreedRequest) (*dto.PigBreedResponse, error)
+	UpdatePigBreed(ctx context.Context, id uint32, req *dto.UpdatePigBreedRequest) (*dto.PigBreedResponse, error)
+	DeletePigBreed(ctx context.Context, id uint32) error
+	GetPigBreed(ctx context.Context, id uint32) (*dto.PigBreedResponse, error)
+	ListPigBreeds(ctx context.Context, req *dto.ListPigBreedRequest) (*dto.ListPigBreedResponse, error)
+}
+
+// pigBreedServiceImpl 是 PigBreedService 接口的实现
+type pigBreedServiceImpl struct {
+	ctx       context.Context
+	recipeSvc recipe.Service
+}
+
+// NewPigBreedService 创建一个新的 PigBreedService 实例
+func NewPigBreedService(ctx context.Context, recipeSvc recipe.Service) PigBreedService {
+	return &pigBreedServiceImpl{
+		ctx:       ctx,
+		recipeSvc: recipeSvc,
+	}
+}
+
+// CreatePigBreed 创建猪品种
+func (s *pigBreedServiceImpl) CreatePigBreed(ctx context.Context, req *dto.CreatePigBreedRequest) (*dto.PigBreedResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreatePigBreed")
+
+	breed := &models.PigBreed{
+		Name:               req.Name,
+		Description:        req.Description,
+		ParentInfo:         req.ParentInfo,
+		AppearanceFeatures: req.AppearanceFeatures,
+		BreedAdvantages:    req.BreedAdvantages,
+		BreedDisadvantages: req.BreedDisadvantages,
+	}
+
+	if err := s.recipeSvc.CreatePigBreed(serviceCtx, breed); err != nil {
+		return nil, fmt.Errorf("创建猪品种失败: %w", err)
+	}
+	return dto.ConvertPigBreedToDTO(breed), nil
+}
+
+// UpdatePigBreed 更新猪品种
+func (s *pigBreedServiceImpl) UpdatePigBreed(ctx context.Context, id uint32, req *dto.UpdatePigBreedRequest) (*dto.PigBreedResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigBreed")
+
+	breed := &models.PigBreed{
+		Model:              models.Model{ID: id},
+		Name:               req.Name,
+		Description:        req.Description,
+		ParentInfo:         req.ParentInfo,
+		AppearanceFeatures: req.AppearanceFeatures,
+		BreedAdvantages:    req.BreedAdvantages,
+		BreedDisadvantages: req.BreedDisadvantages,
+	}
+
+	if err := s.recipeSvc.UpdatePigBreed(serviceCtx, breed); err != nil {
+		if errors.Is(err, recipe.ErrPigBreedNotFound) {
+			return nil, ErrPigBreedNotFound
+		}
+		return nil, fmt.Errorf("更新猪品种失败: %w", err)
+	}
+	return dto.ConvertPigBreedToDTO(breed), nil
+}
+
+// DeletePigBreed 删除猪品种
+func (s *pigBreedServiceImpl) DeletePigBreed(ctx context.Context, id uint32) error {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeletePigBreed")
+	err := s.recipeSvc.DeletePigBreed(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigBreedNotFound) {
+			return ErrPigBreedNotFound
+		}
+		if errors.Is(err, recipe.ErrPigBreedInUse) {
+			return ErrPigBreedInUse
+		}
+		return fmt.Errorf("删除猪品种失败: %w", err)
+	}
+	return nil
+}
+
+// GetPigBreed 获取单个猪品种
+func (s *pigBreedServiceImpl) GetPigBreed(ctx context.Context, id uint32) (*dto.PigBreedResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetPigBreed")
+
+	breed, err := s.recipeSvc.GetPigBreedByID(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigBreedNotFound) {
+			return nil, ErrPigBreedNotFound
+		}
+		return nil, fmt.Errorf("获取猪品种失败: %w", err)
+	}
+	return dto.ConvertPigBreedToDTO(breed), nil
+}
+
+// ListPigBreeds 列出猪品种
+func (s *pigBreedServiceImpl) ListPigBreeds(ctx context.Context, req *dto.ListPigBreedRequest) (*dto.ListPigBreedResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListPigBreeds")
+
+	opts := repository.PigBreedListOptions{
+		Name:    req.Name,
+		OrderBy: req.OrderBy,
+	}
+	breeds, total, err := s.recipeSvc.ListPigBreeds(serviceCtx, opts, req.Page, req.PageSize)
+	if err != nil {
+		return nil, fmt.Errorf("获取猪品种列表失败: %w", err)
+	}
+
+	return dto.ConvertPigBreedListToDTO(breeds, total, req.Page, req.PageSize), nil
+}

internal/app/service/pig_type_service.go

@@ -0,0 +1,203 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
+	"git.huangwc.com/pig/pig-farm-controller/internal/domain/recipe"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
+)
+
+// 定义猪类型服务特定的错误
+var (
+	ErrPigTypeNotFound = errors.New("猪类型不存在")
+)
+
+// PigTypeService 定义了猪类型相关的应用服务接口
+type PigTypeService interface {
+	CreatePigType(ctx context.Context, req *dto.CreatePigTypeRequest) (*dto.PigTypeResponse, error)
+	UpdatePigType(ctx context.Context, id uint32, req *dto.UpdatePigTypeRequest) (*dto.PigTypeResponse, error)
+	DeletePigType(ctx context.Context, id uint32) error
+	GetPigType(ctx context.Context, id uint32) (*dto.PigTypeResponse, error)
+	ListPigTypes(ctx context.Context, req *dto.ListPigTypeRequest) (*dto.ListPigTypeResponse, error)
+	UpdatePigTypeNutrientRequirements(ctx context.Context, id uint32, req *dto.UpdatePigTypeNutrientRequirementsRequest) (*dto.PigTypeResponse, error)
+}
+
+// pigTypeServiceImpl 是 PigTypeService 接口的实现
+type pigTypeServiceImpl struct {
+	ctx       context.Context
+	recipeSvc recipe.Service
+}
+
+// NewPigTypeService 创建一个新的 PigTypeService 实例
+func NewPigTypeService(ctx context.Context, recipeSvc recipe.Service) PigTypeService {
+	return &pigTypeServiceImpl{
+		ctx:       ctx,
+		recipeSvc: recipeSvc,
+	}
+}
+
+// CreatePigType 创建猪类型
+func (s *pigTypeServiceImpl) CreatePigType(ctx context.Context, req *dto.CreatePigTypeRequest) (*dto.PigTypeResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreatePigType")
+
+	pigType := &models.PigType{
+		BreedID:         req.BreedID,
+		AgeStageID:      req.AgeStageID,
+		Description:     req.Description,
+		DailyFeedIntake: req.DailyFeedIntake,
+		DailyGainWeight: req.DailyGainWeight,
+		MinDays:         req.MinDays,
+		MaxDays:         req.MaxDays,
+		MinWeight:       req.MinWeight,
+		MaxWeight:       req.MaxWeight,
+	}
+
+	if err := s.recipeSvc.CreatePigType(serviceCtx, pigType); err != nil {
+		if errors.Is(err, recipe.ErrPigBreedNotFound) {
+			return nil, ErrPigBreedNotFound
+		}
+		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
+			return nil, ErrPigAgeStageNotFound
+		}
+		return nil, fmt.Errorf("创建猪类型失败: %w", err)
+	}
+	// 创建后需要重新获取，以包含关联数据
+	createdPigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, pigType.ID)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) { // 理论上不应该发生，因为刚创建
+			return nil, ErrPigTypeNotFound
+		}
+		return nil, fmt.Errorf("创建猪类型后获取详情失败: %w", err)
+	}
+	return dto.ConvertPigTypeToDTO(createdPigType), nil
+}
+
+// UpdatePigType 更新猪类型
+func (s *pigTypeServiceImpl) UpdatePigType(ctx context.Context, id uint32, req *dto.UpdatePigTypeRequest) (*dto.PigTypeResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigType")
+
+	pigType := &models.PigType{
+		Model:           models.Model{ID: id},
+		BreedID:         req.BreedID,
+		AgeStageID:      req.AgeStageID,
+		Description:     req.Description,
+		DailyFeedIntake: req.DailyFeedIntake,
+		DailyGainWeight: req.DailyGainWeight,
+		MinDays:         req.MinDays,
+		MaxDays:         req.MaxDays,
+		MinWeight:       req.MinWeight,
+		MaxWeight:       req.MaxWeight,
+	}
+
+	if err := s.recipeSvc.UpdatePigType(serviceCtx, pigType); err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) {
+			return nil, ErrPigTypeNotFound
+		}
+		if errors.Is(err, recipe.ErrPigBreedNotFound) {
+			return nil, ErrPigBreedNotFound
+		}
+		if errors.Is(err, recipe.ErrPigAgeStageNotFound) {
+			return nil, ErrPigAgeStageNotFound
+		}
+		return nil, fmt.Errorf("更新猪类型失败: %w", err)
+	}
+	// 更新后需要重新获取，以包含关联数据
+	updatedPigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) { // 理论上不应该发生，因为刚更新成功
+			return nil, ErrPigTypeNotFound
+		}
+		return nil, fmt.Errorf("更新猪类型后获取详情失败: %w", err)
+	}
+	return dto.ConvertPigTypeToDTO(updatedPigType), nil
+}
+
+// DeletePigType 删除猪类型
+func (s *pigTypeServiceImpl) DeletePigType(ctx context.Context, id uint32) error {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeletePigType")
+	err := s.recipeSvc.DeletePigType(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) {
+			return ErrPigTypeNotFound
+		}
+		return fmt.Errorf("删除猪类型失败: %w", err)
+	}
+	return nil
+}
+
+// GetPigType 获取单个猪类型
+func (s *pigTypeServiceImpl) GetPigType(ctx context.Context, id uint32) (*dto.PigTypeResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetPigType")
+
+	pigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) {
+			return nil, ErrPigTypeNotFound
+		}
+		return nil, fmt.Errorf("获取猪类型失败: %w", err)
+	}
+	return dto.ConvertPigTypeToDTO(pigType), nil
+}
+
+// ListPigTypes 列出猪类型
+func (s *pigTypeServiceImpl) ListPigTypes(ctx context.Context, req *dto.ListPigTypeRequest) (*dto.ListPigTypeResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListPigTypes")
+
+	opts := repository.PigTypeListOptions{
+		BreedID:      req.BreedID,
+		AgeStageID:   req.AgeStageID,
+		BreedName:    req.BreedName,
+		AgeStageName: req.AgeStageName,
+		OrderBy:      req.OrderBy,
+	}
+	pigTypes, total, err := s.recipeSvc.ListPigTypes(serviceCtx, opts, req.Page, req.PageSize)
+	if err != nil {
+		return nil, fmt.Errorf("获取猪类型列表失败: %w", err)
+	}
+
+	return dto.ConvertPigTypeListToDTO(pigTypes, total, req.Page, req.PageSize), nil
+}
+
+// UpdatePigTypeNutrientRequirements 全量更新猪类型的营养需求
+func (s *pigTypeServiceImpl) UpdatePigTypeNutrientRequirements(ctx context.Context, id uint32, req *dto.UpdatePigTypeNutrientRequirementsRequest) (*dto.PigTypeResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdatePigTypeNutrientRequirements")
+
+	// 1. 将 DTO 转换为领域模型
+	requirements := make([]models.PigNutrientRequirement, len(req.NutrientRequirements))
+	for i, item := range req.NutrientRequirements {
+		requirements[i] = models.PigNutrientRequirement{
+			PigTypeID:      id, // 设置所属的 PigTypeID
+			NutrientID:     item.NutrientID,
+			MinRequirement: item.MinRequirement,
+			MaxRequirement: item.MaxRequirement,
+		}
+	}
+
+	// 2. 调用领域服务执行更新命令
+	err := s.recipeSvc.UpdatePigTypeNutrientRequirements(serviceCtx, id, requirements)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) {
+			return nil, ErrPigTypeNotFound
+		}
+		// 此处可以根据领域层可能返回的其他特定错误进行转换
+		return nil, fmt.Errorf("更新猪类型营养需求失败: %w", err)
+	}
+
+	// 3. 更新成功后，调用查询服务获取最新的猪类型信息
+	updatedPigType, err := s.recipeSvc.GetPigTypeByID(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrPigTypeNotFound) {
+			// 理论上不应该发生，因为刚更新成功
+			return nil, ErrPigTypeNotFound
+		}
+		return nil, fmt.Errorf("更新后获取猪类型信息失败: %w", err)
+	}
+
+	// 4. 将领域模型转换为 DTO 并返回
+	return dto.ConvertPigTypeToDTO(updatedPigType), nil
+}

internal/app/service/raw_material_service.go

@@ -0,0 +1,157 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
+	"git.huangwc.com/pig/pig-farm-controller/internal/domain/recipe"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
+)
+
+// 定义原料服务特定的错误
+var (
+	ErrRawMaterialNameConflict = errors.New("原料名称已存在")
+	ErrRawMaterialNotFound     = errors.New("原料不存在")
+)
+
+// RawMaterialService 定义了原料相关的应用服务接口
+type RawMaterialService interface {
+	CreateRawMaterial(ctx context.Context, req *dto.CreateRawMaterialRequest) (*dto.RawMaterialResponse, error)
+	UpdateRawMaterial(ctx context.Context, id uint32, req *dto.UpdateRawMaterialRequest) (*dto.RawMaterialResponse, error)
+	DeleteRawMaterial(ctx context.Context, id uint32) error
+	GetRawMaterial(ctx context.Context, id uint32) (*dto.RawMaterialResponse, error)
+	ListRawMaterials(ctx context.Context, req *dto.ListRawMaterialRequest) (*dto.ListRawMaterialResponse, error)
+	UpdateRawMaterialNutrients(ctx context.Context, id uint32, req *dto.UpdateRawMaterialNutrientsRequest) (*dto.RawMaterialResponse, error)
+}
+
+// rawMaterialServiceImpl 是 RawMaterialService 接口的实现
+type rawMaterialServiceImpl struct {
+	ctx       context.Context
+	recipeSvc recipe.Service
+}
+
+// NewRawMaterialService 创建一个新的 RawMaterialService 实例
+func NewRawMaterialService(ctx context.Context, recipeSvc recipe.Service) RawMaterialService {
+	return &rawMaterialServiceImpl{
+		ctx:       ctx,
+		recipeSvc: recipeSvc,
+	}
+}
+
+// CreateRawMaterial 创建原料
+func (s *rawMaterialServiceImpl) CreateRawMaterial(ctx context.Context, req *dto.CreateRawMaterialRequest) (*dto.RawMaterialResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreateRawMaterial")
+
+	rawMaterial, err := s.recipeSvc.CreateRawMaterial(serviceCtx, req.Name, req.Description)
+	if err != nil {
+		if errors.Is(err, recipe.ErrRawMaterialNameConflict) {
+			return nil, ErrRawMaterialNameConflict
+		}
+		return nil, fmt.Errorf("创建原料失败: %w", err)
+	}
+
+	return dto.ConvertRawMaterialToDTO(rawMaterial), nil
+}
+
+// UpdateRawMaterial 更新原料
+func (s *rawMaterialServiceImpl) UpdateRawMaterial(ctx context.Context, id uint32, req *dto.UpdateRawMaterialRequest) (*dto.RawMaterialResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateRawMaterial")
+
+	rawMaterial, err := s.recipeSvc.UpdateRawMaterial(serviceCtx, id, req.Name, req.Description)
+	if err != nil {
+		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
+			return nil, ErrRawMaterialNotFound
+		}
+		if errors.Is(err, recipe.ErrRawMaterialNameConflict) {
+			return nil, ErrRawMaterialNameConflict
+		}
+		return nil, fmt.Errorf("更新原料失败: %w", err)
+	}
+	return dto.ConvertRawMaterialToDTO(rawMaterial), nil
+}
+
+// DeleteRawMaterial 删除原料
+func (s *rawMaterialServiceImpl) DeleteRawMaterial(ctx context.Context, id uint32) error {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeleteRawMaterial")
+	err := s.recipeSvc.DeleteRawMaterial(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
+			return ErrRawMaterialNotFound
+		}
+		return fmt.Errorf("删除原料失败: %w", err)
+	}
+	return nil
+}
+
+// GetRawMaterial 获取单个原料
+func (s *rawMaterialServiceImpl) GetRawMaterial(ctx context.Context, id uint32) (*dto.RawMaterialResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetRawMaterial")
+
+	rawMaterial, err := s.recipeSvc.GetRawMaterial(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
+			return nil, ErrRawMaterialNotFound
+		}
+		return nil, fmt.Errorf("获取原料失败: %w", err)
+	}
+	return dto.ConvertRawMaterialToDTO(rawMaterial), nil
+}
+
+// ListRawMaterials 列出原料
+func (s *rawMaterialServiceImpl) ListRawMaterials(ctx context.Context, req *dto.ListRawMaterialRequest) (*dto.ListRawMaterialResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListRawMaterials")
+
+	opts := repository.RawMaterialListOptions{
+		Name:         req.Name,
+		NutrientName: req.NutrientName,
+		OrderBy:      req.OrderBy,
+	}
+	rawMaterials, total, err := s.recipeSvc.ListRawMaterials(serviceCtx, opts, req.Page, req.PageSize)
+	if err != nil {
+		return nil, fmt.Errorf("获取原料列表失败: %w", err)
+	}
+
+	return dto.ConvertRawMaterialListToDTO(rawMaterials, total, req.Page, req.PageSize), nil
+}
+
+// UpdateRawMaterialNutrients 全量更新原料的营养成分
+func (s *rawMaterialServiceImpl) UpdateRawMaterialNutrients(ctx context.Context, id uint32, req *dto.UpdateRawMaterialNutrientsRequest) (*dto.RawMaterialResponse, error) {
+	serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateRawMaterialNutrients")
+
+	// 1. 将 DTO 转换为领域模型
+	nutrients := make([]models.RawMaterialNutrient, len(req.Nutrients))
+	for i, item := range req.Nutrients {
+		nutrients[i] = models.RawMaterialNutrient{
+			RawMaterialID: id,
+			NutrientID:    item.NutrientID,
+			Value:         item.Value,
+		}
+	}
+
+	// 2. 调用领域服务执行更新命令
+	err := s.recipeSvc.UpdateRawMaterialNutrients(serviceCtx, id, nutrients)
+	if err != nil {
+		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
+			return nil, ErrRawMaterialNotFound
+		}
+		// 此处可以根据领域层可能返回的其他特定错误进行转换
+		return nil, fmt.Errorf("更新原料营养成分失败: %w", err)
+	}
+
+	// 3. 更新成功后，调用查询服务获取最新的原料信息
+	updatedRawMaterial, err := s.recipeSvc.GetRawMaterial(serviceCtx, id)
+	if err != nil {
+		if errors.Is(err, recipe.ErrRawMaterialNotFound) {
+			// 理论上不应该发生，因为刚更新成功
+			return nil, ErrRawMaterialNotFound
+		}
+		return nil, fmt.Errorf("更新后获取原料信息失败: %w", err)
+	}
+
+	// 4. 将领域模型转换为 DTO 并返回
+	return dto.ConvertRawMaterialToDTO(updatedRawMaterial), nil
+}