194 lines
6.9 KiB
Go
194 lines
6.9 KiB
Go
package service
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import (
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"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
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domain_pig "git.huangwc.com/pig/pig-farm-controller/internal/domain/pig"
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"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
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"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
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)
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// PigBatchService 接口定义保持不变，继续作为应用层对外的契约。
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type PigBatchService interface {
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CreatePigBatch(operatorID uint, dto *dto.PigBatchCreateDTO) (*dto.PigBatchResponseDTO, error)
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GetPigBatch(id uint) (*dto.PigBatchResponseDTO, error)
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UpdatePigBatch(id uint, dto *dto.PigBatchUpdateDTO) (*dto.PigBatchResponseDTO, error)
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DeletePigBatch(id uint) error
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ListPigBatches(isActive *bool) ([]*dto.PigBatchResponseDTO, error)
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AssignEmptyPensToBatch(batchID uint, penIDs []uint, operatorID uint) error
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ReclassifyPenToNewBatch(fromBatchID uint, toBatchID uint, penID uint, operatorID uint, remarks string) error
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RemoveEmptyPenFromBatch(batchID uint, penID uint) error
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MovePigsIntoPen(batchID uint, toPenID uint, quantity int, operatorID uint, remarks string) error
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}
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// pigBatchService 的实现现在依赖于领域服务接口。
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type pigBatchService struct {
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logger *logs.Logger
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domainService domain_pig.PigBatchService // 依赖注入领域服务
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}
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// NewPigBatchService 构造函数被修改，以注入领域服务。
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func NewPigBatchService(domainService domain_pig.PigBatchService, logger *logs.Logger) PigBatchService {
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return &pigBatchService{
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logger: logger,
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domainService: domainService,
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}
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}
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// toPigBatchResponseDTO 负责将领域模型转换为应用层DTO，这个职责保留在应用层。
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func (s *pigBatchService) toPigBatchResponseDTO(batch *models.PigBatch) *dto.PigBatchResponseDTO {
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if batch == nil {
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return nil
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}
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return &dto.PigBatchResponseDTO{
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ID: batch.ID,
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BatchNumber: batch.BatchNumber,
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OriginType: batch.OriginType,
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StartDate: batch.StartDate,
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EndDate: batch.EndDate,
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InitialCount: batch.InitialCount,
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Status: batch.Status,
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IsActive: batch.IsActive(),
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CreateTime: batch.CreatedAt,
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UpdateTime: batch.UpdatedAt,
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}
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}
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// CreatePigBatch 现在将请求委托给领域服务处理。
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func (s *pigBatchService) CreatePigBatch(operatorID uint, dto *dto.PigBatchCreateDTO) (*dto.PigBatchResponseDTO, error) {
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// 1. DTO -> 领域模型
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batch := &models.PigBatch{
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BatchNumber: dto.BatchNumber,
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OriginType: dto.OriginType,
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StartDate: dto.StartDate,
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InitialCount: dto.InitialCount,
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Status: dto.Status,
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}
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// 2. 调用领域服务
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createdBatch, err := s.domainService.CreatePigBatch(operatorID, batch)
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if err != nil {
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s.logger.Errorf("应用层: 创建猪批次失败: %v", err)
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return nil, MapDomainError(err)
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}
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// 3. 领域模型 -> DTO
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return s.toPigBatchResponseDTO(createdBatch), nil
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}
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// GetPigBatch 从领域服务获取数据并转换为DTO，同时处理错误转换。
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func (s *pigBatchService) GetPigBatch(id uint) (*dto.PigBatchResponseDTO, error) {
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batch, err := s.domainService.GetPigBatch(id)
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if err != nil {
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s.logger.Warnf("应用层: 获取猪批次失败, ID: %d, 错误: %v", id, err)
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return nil, MapDomainError(err)
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}
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return s.toPigBatchResponseDTO(batch), nil
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}
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// UpdatePigBatch 协调获取、更新和保存的流程，并处理错误转换。
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func (s *pigBatchService) UpdatePigBatch(id uint, dto *dto.PigBatchUpdateDTO) (*dto.PigBatchResponseDTO, error) {
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// 1. 先获取最新的领域模型
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existingBatch, err := s.domainService.GetPigBatch(id)
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if err != nil {
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s.logger.Warnf("应用层: 更新猪批次失败，获取原批次信息错误, ID: %d, 错误: %v", id, err)
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return nil, MapDomainError(err)
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}
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// 2. 将DTO中的变更应用到模型上
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if dto.BatchNumber != nil {
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existingBatch.BatchNumber = *dto.BatchNumber
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}
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if dto.OriginType != nil {
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existingBatch.OriginType = *dto.OriginType
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}
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if dto.StartDate != nil {
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existingBatch.StartDate = *dto.StartDate
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}
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if dto.EndDate != nil {
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existingBatch.EndDate = *dto.EndDate
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}
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if dto.InitialCount != nil {
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existingBatch.InitialCount = *dto.InitialCount
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}
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if dto.Status != nil {
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existingBatch.Status = *dto.Status
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}
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// 3. 调用领域服务执行更新
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updatedBatch, err := s.domainService.UpdatePigBatch(existingBatch)
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if err != nil {
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s.logger.Errorf("应用层: 更新猪批次失败, ID: %d, 错误: %v", id, err)
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return nil, MapDomainError(err)
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}
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// 4. 转换并返回结果
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return s.toPigBatchResponseDTO(updatedBatch), nil
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}
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// DeletePigBatch 将删除操作委托给领域服务，并转换领域错误为应用层错误。
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func (s *pigBatchService) DeletePigBatch(id uint) error {
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err := s.domainService.DeletePigBatch(id)
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if err != nil {
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s.logger.Errorf("应用层: 删除猪批次失败, ID: %d, 错误: %v", id, err)
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return MapDomainError(err)
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}
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return nil
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}
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// ListPigBatches 从领域服务获取列表并进行转换。
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func (s *pigBatchService) ListPigBatches(isActive *bool) ([]*dto.PigBatchResponseDTO, error) {
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batches, err := s.domainService.ListPigBatches(isActive)
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if err != nil {
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s.logger.Errorf("应用层: 批量查询猪批次失败: %v", err)
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return nil, MapDomainError(err)
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}
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var responseDTOs []*dto.PigBatchResponseDTO
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for _, batch := range batches {
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responseDTOs = append(responseDTOs, s.toPigBatchResponseDTO(batch))
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}
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return responseDTOs, nil
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}
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// AssignEmptyPensToBatch 委托给领域服务
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func (s *pigBatchService) AssignEmptyPensToBatch(batchID uint, penIDs []uint, operatorID uint) error {
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err := s.domainService.AssignEmptyPensToBatch(batchID, penIDs, operatorID)
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if err != nil {
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s.logger.Errorf("应用层: 为猪批次分配空栏失败, 批次ID: %d, 错误: %v", batchID, err)
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return MapDomainError(err)
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}
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return nil
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}
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// ReclassifyPenToNewBatch 委托给领域服务
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func (s *pigBatchService) ReclassifyPenToNewBatch(fromBatchID uint, toBatchID uint, penID uint, operatorID uint, remarks string) error {
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err := s.domainService.ReclassifyPenToNewBatch(fromBatchID, toBatchID, penID, operatorID, remarks)
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if err != nil {
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s.logger.Errorf("应用层: 划拨猪栏到新批次失败, 源批次ID: %d, 错误: %v", fromBatchID, err)
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return MapDomainError(err)
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}
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return nil
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}
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// RemoveEmptyPenFromBatch 委托给领域服务
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func (s *pigBatchService) RemoveEmptyPenFromBatch(batchID uint, penID uint) error {
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err := s.domainService.RemoveEmptyPenFromBatch(batchID, penID)
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if err != nil {
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s.logger.Errorf("应用层: 从猪批次移除空栏失败, 批次ID: %d, 猪栏ID: %d, 错误: %v", batchID, penID, err)
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return MapDomainError(err)
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}
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return nil
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}
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// MovePigsIntoPen 委托给领域服务
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func (s *pigBatchService) MovePigsIntoPen(batchID uint, toPenID uint, quantity int, operatorID uint, remarks string) error {
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err := s.domainService.MovePigsIntoPen(batchID, toPenID, quantity, operatorID, remarks)
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if err != nil {
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s.logger.Errorf("应用层: 将猪只移入猪栏失败, 批次ID: %d, 目标猪栏ID: %d, 错误: %v", batchID, toPenID, err)
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return MapDomainError(err)
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}
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return nil
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}
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