重构配方类服务层

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
+}