Files
pig-farm-controller/internal/app/service/pig_breed_service.go
2025-11-23 15:16:45 +08:00

131 lines
4.4 KiB
Go

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
}