423 lines
12 KiB
Go
423 lines
12 KiB
Go
package service
|
||
|
||
import (
|
||
"encoding/json"
|
||
"errors"
|
||
"fmt"
|
||
"strconv"
|
||
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/domain/device"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
|
||
"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
|
||
)
|
||
|
||
var (
|
||
// ErrDeviceInUse 表示设备正在被任务使用，无法删除
|
||
ErrDeviceInUse = errors.New("设备正在被一个或多个任务使用，无法删除")
|
||
|
||
// ErrAreaControllerInUse 表示区域主控正在被设备使用，无法删除
|
||
ErrAreaControllerInUse = errors.New("区域主控正在被一个或多个设备使用，无法删除")
|
||
|
||
// ErrDeviceTemplateInUse 表示设备模板正在被设备使用，无法删除
|
||
ErrDeviceTemplateInUse = errors.New("设备模板正在被一个或多个设备使用，无法删除")
|
||
)
|
||
|
||
// DeviceService 定义了应用层的设备服务接口，用于协调设备相关的业务逻辑。
|
||
type DeviceService interface {
|
||
CreateDevice(req *dto.CreateDeviceRequest) (*dto.DeviceResponse, error)
|
||
GetDevice(id string) (*dto.DeviceResponse, error)
|
||
ListDevices() ([]*dto.DeviceResponse, error)
|
||
UpdateDevice(id string, req *dto.UpdateDeviceRequest) (*dto.DeviceResponse, error)
|
||
DeleteDevice(id string) error
|
||
ManualControl(id string, req *dto.ManualControlDeviceRequest) error
|
||
|
||
CreateAreaController(req *dto.CreateAreaControllerRequest) (*dto.AreaControllerResponse, error)
|
||
GetAreaController(id string) (*dto.AreaControllerResponse, error)
|
||
ListAreaControllers() ([]*dto.AreaControllerResponse, error)
|
||
UpdateAreaController(id string, req *dto.UpdateAreaControllerRequest) (*dto.AreaControllerResponse, error)
|
||
DeleteAreaController(id string) error
|
||
|
||
CreateDeviceTemplate(req *dto.CreateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error)
|
||
GetDeviceTemplate(id string) (*dto.DeviceTemplateResponse, error)
|
||
ListDeviceTemplates() ([]*dto.DeviceTemplateResponse, error)
|
||
UpdateDeviceTemplate(id string, req *dto.UpdateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error)
|
||
DeleteDeviceTemplate(id string) error
|
||
}
|
||
|
||
// deviceService 是 DeviceService 接口的具体实现。
|
||
type deviceService struct {
|
||
deviceRepo repository.DeviceRepository
|
||
areaControllerRepo repository.AreaControllerRepository
|
||
deviceTemplateRepo repository.DeviceTemplateRepository
|
||
deviceDomainSvc device.Service // 依赖领域服务
|
||
}
|
||
|
||
// NewDeviceService 创建一个新的 DeviceService 实例。
|
||
func NewDeviceService(
|
||
deviceRepo repository.DeviceRepository,
|
||
areaControllerRepo repository.AreaControllerRepository,
|
||
deviceTemplateRepo repository.DeviceTemplateRepository,
|
||
deviceDomainSvc device.Service,
|
||
) DeviceService {
|
||
return &deviceService{
|
||
deviceRepo: deviceRepo,
|
||
areaControllerRepo: areaControllerRepo,
|
||
deviceTemplateRepo: deviceTemplateRepo,
|
||
deviceDomainSvc: deviceDomainSvc,
|
||
}
|
||
}
|
||
|
||
// --- Devices ---
|
||
|
||
func (s *deviceService) CreateDevice(req *dto.CreateDeviceRequest) (*dto.DeviceResponse, error) {
|
||
propertiesJSON, err := json.Marshal(req.Properties)
|
||
if err != nil {
|
||
return nil, err // Consider wrapping this error for better context
|
||
}
|
||
|
||
device := &models.Device{
|
||
Name: req.Name,
|
||
DeviceTemplateID: req.DeviceTemplateID,
|
||
AreaControllerID: req.AreaControllerID,
|
||
Location: req.Location,
|
||
Properties: propertiesJSON,
|
||
}
|
||
|
||
if err := device.SelfCheck(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if err := s.deviceRepo.Create(device); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
createdDevice, err := s.deviceRepo.FindByID(device.ID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return dto.NewDeviceResponse(createdDevice)
|
||
}
|
||
|
||
func (s *deviceService) GetDevice(id string) (*dto.DeviceResponse, error) {
|
||
device, err := s.deviceRepo.FindByIDString(id)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return dto.NewDeviceResponse(device)
|
||
}
|
||
|
||
func (s *deviceService) ListDevices() ([]*dto.DeviceResponse, error) {
|
||
devices, err := s.deviceRepo.ListAll()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return dto.NewListDeviceResponse(devices)
|
||
}
|
||
|
||
func (s *deviceService) UpdateDevice(id string, req *dto.UpdateDeviceRequest) (*dto.DeviceResponse, error) {
|
||
existingDevice, err := s.deviceRepo.FindByIDString(id)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
propertiesJSON, err := json.Marshal(req.Properties)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
existingDevice.Name = req.Name
|
||
existingDevice.DeviceTemplateID = req.DeviceTemplateID
|
||
existingDevice.AreaControllerID = req.AreaControllerID
|
||
existingDevice.Location = req.Location
|
||
existingDevice.Properties = propertiesJSON
|
||
|
||
if err := existingDevice.SelfCheck(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if err := s.deviceRepo.Update(existingDevice); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
updatedDevice, err := s.deviceRepo.FindByID(existingDevice.ID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return dto.NewDeviceResponse(updatedDevice)
|
||
}
|
||
|
||
func (s *deviceService) DeleteDevice(id string) error {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
deviceID := uint(idUint)
|
||
|
||
// 检查设备是否存在
|
||
_, err = s.deviceRepo.FindByID(deviceID)
|
||
if err != nil {
|
||
return err // 如果未找到，会返回 gorm.ErrRecordNotFound
|
||
}
|
||
|
||
// 在删除前检查设备是否被任务使用
|
||
inUse, err := s.deviceRepo.IsDeviceInUse(deviceID)
|
||
if err != nil {
|
||
// 如果检查过程中发生数据库错误，则返回错误
|
||
return fmt.Errorf("检查设备使用情况失败: %w", err)
|
||
}
|
||
if inUse {
|
||
// 如果设备正在被使用，则返回特定的业务错误
|
||
return ErrDeviceInUse
|
||
}
|
||
|
||
// 只有在未被使用时，才执行删除操作
|
||
return s.deviceRepo.Delete(deviceID)
|
||
}
|
||
|
||
func (s *deviceService) ManualControl(id string, req *dto.ManualControlDeviceRequest) error {
|
||
dev, err := s.deviceRepo.FindByIDString(id)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
if req.Action == nil {
|
||
return s.deviceDomainSvc.Collect(dev.AreaControllerID, []*models.Device{dev})
|
||
} else {
|
||
action := device.DeviceActionStart
|
||
switch *req.Action {
|
||
case "off":
|
||
action = device.DeviceActionStop
|
||
case "on":
|
||
action = device.DeviceActionStart
|
||
default:
|
||
return errors.New("invalid action")
|
||
}
|
||
return s.deviceDomainSvc.Switch(dev, action)
|
||
}
|
||
}
|
||
|
||
// --- Area Controllers ---
|
||
|
||
func (s *deviceService) CreateAreaController(req *dto.CreateAreaControllerRequest) (*dto.AreaControllerResponse, error) {
|
||
propertiesJSON, err := json.Marshal(req.Properties)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
ac := &models.AreaController{
|
||
Name: req.Name,
|
||
NetworkID: req.NetworkID,
|
||
Location: req.Location,
|
||
Properties: propertiesJSON,
|
||
}
|
||
|
||
if err := ac.SelfCheck(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if err := s.areaControllerRepo.Create(ac); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return dto.NewAreaControllerResponse(ac)
|
||
}
|
||
|
||
func (s *deviceService) GetAreaController(id string) (*dto.AreaControllerResponse, error) {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
ac, err := s.areaControllerRepo.FindByID(uint(idUint))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return dto.NewAreaControllerResponse(ac)
|
||
}
|
||
|
||
func (s *deviceService) ListAreaControllers() ([]*dto.AreaControllerResponse, error) {
|
||
acs, err := s.areaControllerRepo.ListAll()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return dto.NewListAreaControllerResponse(acs)
|
||
}
|
||
|
||
func (s *deviceService) UpdateAreaController(id string, req *dto.UpdateAreaControllerRequest) (*dto.AreaControllerResponse, error) {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
existingAC, err := s.areaControllerRepo.FindByID(uint(idUint))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
propertiesJSON, err := json.Marshal(req.Properties)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
existingAC.Name = req.Name
|
||
existingAC.NetworkID = req.NetworkID
|
||
existingAC.Location = req.Location
|
||
existingAC.Properties = propertiesJSON
|
||
|
||
if err := existingAC.SelfCheck(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if err := s.areaControllerRepo.Update(existingAC); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return dto.NewAreaControllerResponse(existingAC)
|
||
}
|
||
|
||
func (s *deviceService) DeleteAreaController(id string) error {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return fmt.Errorf("无效的ID格式: %w", err)
|
||
}
|
||
acID := uint(idUint)
|
||
|
||
// 1. 检查是否存在
|
||
_, err = s.areaControllerRepo.FindByID(acID)
|
||
if err != nil {
|
||
return err // 如果未找到，gorm会返回 ErrRecordNotFound
|
||
}
|
||
|
||
// 2. 检查是否被使用（业务逻辑）
|
||
inUse, err := s.deviceRepo.IsAreaControllerInUse(acID)
|
||
if err != nil {
|
||
return err // 返回数据库检查错误
|
||
}
|
||
if inUse {
|
||
return ErrAreaControllerInUse // 返回业务错误
|
||
}
|
||
|
||
// 3. 执行删除
|
||
return s.areaControllerRepo.Delete(acID)
|
||
}
|
||
|
||
// --- Device Templates ---
|
||
|
||
func (s *deviceService) CreateDeviceTemplate(req *dto.CreateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error) {
|
||
commandsJSON, err := json.Marshal(req.Commands)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
valuesJSON, err := json.Marshal(req.Values)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
deviceTemplate := &models.DeviceTemplate{
|
||
Name: req.Name,
|
||
Manufacturer: req.Manufacturer,
|
||
Description: req.Description,
|
||
Category: req.Category,
|
||
Commands: commandsJSON,
|
||
Values: valuesJSON,
|
||
}
|
||
|
||
if err := deviceTemplate.SelfCheck(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if err := s.deviceTemplateRepo.Create(deviceTemplate); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return dto.NewDeviceTemplateResponse(deviceTemplate)
|
||
}
|
||
|
||
func (s *deviceService) GetDeviceTemplate(id string) (*dto.DeviceTemplateResponse, error) {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
deviceTemplate, err := s.deviceTemplateRepo.FindByID(uint(idUint))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return dto.NewDeviceTemplateResponse(deviceTemplate)
|
||
}
|
||
|
||
func (s *deviceService) ListDeviceTemplates() ([]*dto.DeviceTemplateResponse, error) {
|
||
deviceTemplates, err := s.deviceTemplateRepo.ListAll()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return dto.NewListDeviceTemplateResponse(deviceTemplates)
|
||
}
|
||
|
||
func (s *deviceService) UpdateDeviceTemplate(id string, req *dto.UpdateDeviceTemplateRequest) (*dto.DeviceTemplateResponse, error) {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
existingDeviceTemplate, err := s.deviceTemplateRepo.FindByID(uint(idUint))
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
commandsJSON, err := json.Marshal(req.Commands)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
valuesJSON, err := json.Marshal(req.Values)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
existingDeviceTemplate.Name = req.Name
|
||
existingDeviceTemplate.Manufacturer = req.Manufacturer
|
||
existingDeviceTemplate.Description = req.Description
|
||
existingDeviceTemplate.Category = req.Category
|
||
existingDeviceTemplate.Commands = commandsJSON
|
||
existingDeviceTemplate.Values = valuesJSON
|
||
|
||
if err := existingDeviceTemplate.SelfCheck(); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if err := s.deviceTemplateRepo.Update(existingDeviceTemplate); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return dto.NewDeviceTemplateResponse(existingDeviceTemplate)
|
||
}
|
||
|
||
func (s *deviceService) DeleteDeviceTemplate(id string) error {
|
||
idUint, err := strconv.ParseUint(id, 10, 64)
|
||
if err != nil {
|
||
return fmt.Errorf("无效的ID格式: %w", err)
|
||
}
|
||
dtID := uint(idUint)
|
||
|
||
// 1. 检查是否存在
|
||
_, err = s.deviceTemplateRepo.FindByID(dtID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
// 2. 检查是否被使用（业务逻辑）
|
||
inUse, err := s.deviceTemplateRepo.IsInUse(dtID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
if inUse {
|
||
return ErrDeviceTemplateInUse // 返回业务错误
|
||
}
|
||
|
||
// 3. 执行删除
|
||
return s.deviceTemplateRepo.Delete(dtID)
|
||
}
|