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region.go
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region.go
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package service
import (
"encoding/json"
"errors"
"fmt"
"github.com/KubeOperator/KubeOperator/pkg/controller/condition"
"github.com/KubeOperator/KubeOperator/pkg/db"
"github.com/KubeOperator/KubeOperator/pkg/logger"
dbUtil "github.com/KubeOperator/KubeOperator/pkg/util/db"
"github.com/KubeOperator/KubeOperator/pkg/cloud_provider"
"github.com/KubeOperator/KubeOperator/pkg/controller/page"
"github.com/KubeOperator/KubeOperator/pkg/dto"
"github.com/KubeOperator/KubeOperator/pkg/model"
"github.com/KubeOperator/KubeOperator/pkg/model/common"
"github.com/KubeOperator/KubeOperator/pkg/repository"
)
var (
DeleteRegionError = "DELETE_REGION_FAILED_RESOURCE"
RegionNameExist = "NAME_EXISTS"
)
type RegionService interface {
Get(name string) (dto.Region, error)
List(conditions condition.Conditions) ([]dto.Region, error)
Page(num, size int, conditions condition.Conditions) (*page.Page, error)
Delete(name string) error
Create(creation dto.RegionCreate) (*dto.Region, error)
Batch(op dto.RegionOp) error
ListDatacenter(creation dto.RegionDatacenterRequest) ([]string, string, error)
Update(name string, update dto.RegionUpdate) (*dto.Region, error)
}
type regionService struct {
regionRepo repository.RegionRepository
}
func NewRegionService() RegionService {
return ®ionService{
regionRepo: repository.NewRegionRepository(),
}
}
func (r regionService) Get(name string) (dto.Region, error) {
var regionDTO dto.Region
mo, err := r.regionRepo.Get(name)
if err != nil {
return regionDTO, err
}
m := make(map[string]interface{})
regionDTO.Region = mo
if err := json.Unmarshal([]byte(mo.Vars), &m); err != nil {
logger.Log.Errorf("regionService Get json.Unmarshal failed, error: %s", err.Error())
}
regionDTO.RegionVars = m
return regionDTO, err
}
func (r regionService) List(conditions condition.Conditions) ([]dto.Region, error) {
var (
regionDTOs []dto.Region
regions []model.Region
)
d := db.DB.Model(model.Region{})
if err := dbUtil.WithConditions(&d, model.Region{}, conditions); err != nil {
return nil, err
}
err := d.Find(®ions).Error
if err != nil {
return nil, err
}
for _, mo := range regions {
regionDTO := new(dto.Region)
m := make(map[string]interface{})
regionDTO.Region = mo
if err := json.Unmarshal([]byte(mo.Vars), &m); err != nil {
logger.Log.Errorf("regionService Page json.Unmarshal failed, error: %s", err.Error())
}
regionDTO.RegionVars = m
regionDTOs = append(regionDTOs, *regionDTO)
}
return regionDTOs, err
}
func (r regionService) Page(num, size int, conditions condition.Conditions) (*page.Page, error) {
var (
p page.Page
regionDTOs []dto.Region
regions []model.Region
)
d := db.DB.Model(model.Region{})
if err := dbUtil.WithConditions(&d, model.Region{}, conditions); err != nil {
return nil, err
}
if err := d.Order("CONVERT(name using gbk) asc").Count(&p.Total).Offset((num - 1) * size).Limit(size).Find(®ions).Error; err != nil {
return nil, err
}
for _, mo := range regions {
regionDTO := new(dto.Region)
m := make(map[string]interface{})
regionDTO.Region = mo
if err := json.Unmarshal([]byte(mo.Vars), &m); err != nil {
logger.Log.Errorf("regionService Page json.Unmarshal failed, error: %s", err.Error())
}
regionDTO.RegionVars = m
regionDTOs = append(regionDTOs, *regionDTO)
}
p.Items = regionDTOs
return &p, nil
}
func (r regionService) Delete(name string) error {
region, err := r.regionRepo.Get(name)
if err != nil {
return err
}
var zones []model.Zone
if err := db.DB.Where("region_id = ?", region.ID).Find(&zones).Error; err != nil {
return err
}
if len(zones) > 0 {
return fmt.Errorf(DeleteRegionError)
}
if err := db.DB.Delete(®ion).Error; err != nil {
return err
}
return nil
}
func (r regionService) Create(creation dto.RegionCreate) (*dto.Region, error) {
old, _ := r.Get(creation.Name)
if old.ID != "" {
return nil, errors.New(RegionNameExist)
}
vars, _ := json.Marshal(creation.RegionVars)
region := model.Region{
BaseModel: common.BaseModel{},
Name: creation.Name,
Vars: string(vars),
Datacenter: creation.Datacenter,
Provider: creation.Provider,
}
err := r.regionRepo.Save(®ion)
if err != nil {
return nil, err
}
return &dto.Region{Region: region}, err
}
func (r regionService) Update(name string, update dto.RegionUpdate) (*dto.Region, error) {
var region model.Region
if err := db.DB.Where("name = ?", name).First(®ion).Error; err != nil {
return nil, err
}
vars, _ := json.Marshal(update.RegionVars)
region.Vars = string(vars)
region.Datacenter = update.Datacenter
db.DB.Save(®ion)
return &dto.Region{Region: region}, nil
}
func (r regionService) Batch(op dto.RegionOp) error {
var deleteItems []model.Region
for _, item := range op.Items {
deleteItems = append(deleteItems, model.Region{
BaseModel: common.BaseModel{},
ID: item.ID,
Name: item.Name,
})
}
err := r.regionRepo.Batch(op.Operation, deleteItems)
if err != nil {
return err
}
return nil
}
func (r regionService) ListDatacenter(creation dto.RegionDatacenterRequest) ([]string, string, error) {
cloudClient := cloud_provider.NewCloudClient(creation.RegionVars.(map[string]interface{}))
var result []string
if cloudClient != nil {
return cloudClient.ListDatacenter()
}
return result, "", errors.New("client is nil")
}