145 lines
4.5 KiB
Go
145 lines
4.5 KiB
Go
package service
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import (
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"context"
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"encoding/json"
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"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
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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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"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
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)
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// DeviceTemplateService 定义了应用层的设备模板服务接口。
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type DeviceTemplateService interface {
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CreateDeviceTemplate(ctx context.Context, req *dto.CreateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error)
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GetDeviceTemplate(ctx context.Context, id uint32) (*dto.DeviceTemplateResponse, error)
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ListDeviceTemplates(ctx context.Context) ([]*dto.DeviceTemplateResponse, error)
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UpdateDeviceTemplate(ctx context.Context, id uint32, req *dto.UpdateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error)
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DeleteDeviceTemplate(ctx context.Context, id uint32) error
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}
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// deviceTemplateService 是 DeviceTemplateService 接口的具体实现。
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type deviceTemplateService struct {
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ctx context.Context
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deviceTemplateRepo repository.DeviceTemplateRepository
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}
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// NewDeviceTemplateService 创建一个新的 DeviceTemplateService 实例。
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func NewDeviceTemplateService(
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ctx context.Context,
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deviceTemplateRepo repository.DeviceTemplateRepository,
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) DeviceTemplateService {
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return &deviceTemplateService{
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ctx: ctx,
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deviceTemplateRepo: deviceTemplateRepo,
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}
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}
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func (s *deviceTemplateService) CreateDeviceTemplate(ctx context.Context, req *dto.CreateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error) {
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serviceCtx := logs.AddFuncName(ctx, s.ctx, "CreateDeviceTemplate")
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commandsJSON, err := json.Marshal(req.Commands)
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if err != nil {
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return nil, err
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}
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valuesJSON, err := json.Marshal(req.Values)
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if err != nil {
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return nil, err
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}
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deviceTemplate := &models.DeviceTemplate{
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Name: req.Name,
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Manufacturer: req.Manufacturer,
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Description: req.Description,
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Category: req.Category,
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Commands: commandsJSON,
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Values: valuesJSON,
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}
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if err := deviceTemplate.SelfCheck(); err != nil {
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return nil, err
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}
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if err := s.deviceTemplateRepo.Create(serviceCtx, deviceTemplate); err != nil {
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return nil, err
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}
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return dto.NewDeviceTemplateResponse(deviceTemplate)
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}
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func (s *deviceTemplateService) GetDeviceTemplate(ctx context.Context, id uint32) (*dto.DeviceTemplateResponse, error) {
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serviceCtx := logs.AddFuncName(ctx, s.ctx, "GetDeviceTemplate")
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deviceTemplate, err := s.deviceTemplateRepo.FindByID(serviceCtx, id)
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if err != nil {
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return nil, err
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}
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return dto.NewDeviceTemplateResponse(deviceTemplate)
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}
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func (s *deviceTemplateService) ListDeviceTemplates(ctx context.Context) ([]*dto.DeviceTemplateResponse, error) {
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serviceCtx := logs.AddFuncName(ctx, s.ctx, "ListDeviceTemplates")
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deviceTemplates, err := s.deviceTemplateRepo.ListAll(serviceCtx)
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if err != nil {
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return nil, err
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}
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return dto.NewListDeviceTemplateResponse(deviceTemplates)
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}
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func (s *deviceTemplateService) UpdateDeviceTemplate(ctx context.Context, id uint32, req *dto.UpdateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error) {
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serviceCtx := logs.AddFuncName(ctx, s.ctx, "UpdateDeviceTemplate")
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existingDeviceTemplate, err := s.deviceTemplateRepo.FindByID(serviceCtx, id)
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if err != nil {
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return nil, err
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}
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commandsJSON, err := json.Marshal(req.Commands)
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if err != nil {
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return nil, err
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}
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valuesJSON, err := json.Marshal(req.Values)
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if err != nil {
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return nil, err
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}
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existingDeviceTemplate.Name = req.Name
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existingDeviceTemplate.Manufacturer = req.Manufacturer
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existingDeviceTemplate.Description = req.Description
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existingDeviceTemplate.Category = req.Category
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existingDeviceTemplate.Commands = commandsJSON
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existingDeviceTemplate.Values = valuesJSON
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if err := existingDeviceTemplate.SelfCheck(); err != nil {
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return nil, err
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}
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if err := s.deviceTemplateRepo.Update(serviceCtx, existingDeviceTemplate); err != nil {
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return nil, err
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}
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return dto.NewDeviceTemplateResponse(existingDeviceTemplate)
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}
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func (s *deviceTemplateService) DeleteDeviceTemplate(ctx context.Context, id uint32) error {
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serviceCtx := logs.AddFuncName(ctx, s.ctx, "DeleteDeviceTemplate")
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// 1. 检查是否存在
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_, err := s.deviceTemplateRepo.FindByID(serviceCtx, id)
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if err != nil {
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return err
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}
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// 2. 检查是否被使用（业务逻辑）
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inUse, err := s.deviceTemplateRepo.IsInUse(serviceCtx, id)
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if err != nil {
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return err
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}
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if inUse {
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return ErrDeviceTemplateInUse // 返回业务错误
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}
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// 3. 执行删除
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return s.deviceTemplateRepo.Delete(serviceCtx, id)
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}
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