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package dashboards
import (
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/guardian"
"github.com/grafana/grafana/pkg/services/search"
)
// FolderService service for operating on folders
type FolderService interface {
GetFolders(limit int) ([]*models.Folder, error)
GetFolderByID(id int64) (*models.Folder, error)
GetFolderByUID(uid string) (*models.Folder, error)
CreateFolder(cmd *models.CreateFolderCommand) error
UpdateFolder(uid string, cmd *models.UpdateFolderCommand) error
DeleteFolder(uid string) (*models.Folder, error)
}
// NewFolderService factory for creating a new folder service
var NewFolderService = func(orgId int64, user *models.SignedInUser) FolderService {
return &dashboardServiceImpl{
orgId: orgId,
user: user,
}
}
func (dr *dashboardServiceImpl) GetFolders(limit int) ([]*models.Folder, error) {
if limit == 0 {
limit = 1000
}
searchQuery := search.Query{
SignedInUser: dr.user,
DashboardIds: make([]int64, 0),
FolderIds: make([]int64, 0),
Limit: limit,
OrgId: dr.orgId,
Type: "dash-folder",
Permission: models.PERMISSION_VIEW,
}
if err := bus.Dispatch(&searchQuery); err != nil {
return nil, err
}
folders := make([]*models.Folder, 0)
for _, hit := range searchQuery.Result {
folders = append(folders, &models.Folder{
Id: hit.Id,
Uid: hit.Uid,
Title: hit.Title,
})
}
return folders, nil
}
func (dr *dashboardServiceImpl) GetFolderByID(id int64) (*models.Folder, error) {
query := models.GetDashboardQuery{OrgId: dr.orgId, Id: id}
dashFolder, err := getFolder(query)
if err != nil {
return nil, toFolderError(err)
}
g := guardian.New(dashFolder.Id, dr.orgId, dr.user)
if canView, err := g.CanView(); err != nil || !canView {
if err != nil {
return nil, toFolderError(err)
}
return nil, models.ErrFolderAccessDenied
}
return dashToFolder(dashFolder), nil
}
func (dr *dashboardServiceImpl) GetFolderByUID(uid string) (*models.Folder, error) {
query := models.GetDashboardQuery{OrgId: dr.orgId, Uid: uid}
dashFolder, err := getFolder(query)
if err != nil {
return nil, toFolderError(err)
}
g := guardian.New(dashFolder.Id, dr.orgId, dr.user)
if canView, err := g.CanView(); err != nil || !canView {
if err != nil {
return nil, toFolderError(err)
}
return nil, models.ErrFolderAccessDenied
}
return dashToFolder(dashFolder), nil
}
func (dr *dashboardServiceImpl) CreateFolder(cmd *models.CreateFolderCommand) error {
dashFolder := cmd.GetDashboardModel(dr.orgId, dr.user.UserId)
dto := &SaveDashboardDTO{
Dashboard: dashFolder,
OrgId: dr.orgId,
User: dr.user,
}
saveDashboardCmd, err := dr.buildSaveDashboardCommand(dto, false, false)
if err != nil {
return toFolderError(err)
}
err = bus.Dispatch(saveDashboardCmd)
if err != nil {
return toFolderError(err)
}
query := models.GetDashboardQuery{OrgId: dr.orgId, Id: saveDashboardCmd.Result.Id}
dashFolder, err = getFolder(query)
if err != nil {
return toFolderError(err)
}
cmd.Result = dashToFolder(dashFolder)
return nil
}
func (dr *dashboardServiceImpl) UpdateFolder(existingUid string, cmd *models.UpdateFolderCommand) error {
query := models.GetDashboardQuery{OrgId: dr.orgId, Uid: existingUid}
dashFolder, err := getFolder(query)
if err != nil {
return toFolderError(err)
}
cmd.UpdateDashboardModel(dashFolder, dr.orgId, dr.user.UserId)
dto := &SaveDashboardDTO{
Dashboard: dashFolder,
OrgId: dr.orgId,
User: dr.user,
Overwrite: cmd.Overwrite,
}
saveDashboardCmd, err := dr.buildSaveDashboardCommand(dto, false, false)
if err != nil {
return toFolderError(err)
}
err = bus.Dispatch(saveDashboardCmd)
if err != nil {
return toFolderError(err)
}
query = models.GetDashboardQuery{OrgId: dr.orgId, Id: saveDashboardCmd.Result.Id}
dashFolder, err = getFolder(query)
if err != nil {
return toFolderError(err)
}
cmd.Result = dashToFolder(dashFolder)
return nil
}
func (dr *dashboardServiceImpl) DeleteFolder(uid string) (*models.Folder, error) {
query := models.GetDashboardQuery{OrgId: dr.orgId, Uid: uid}
dashFolder, err := getFolder(query)
if err != nil {
return nil, toFolderError(err)
}
guardian := guardian.New(dashFolder.Id, dr.orgId, dr.user)
if canSave, err := guardian.CanSave(); err != nil || !canSave {
if err != nil {
return nil, toFolderError(err)
}
return nil, models.ErrFolderAccessDenied
}
deleteCmd := models.DeleteDashboardCommand{OrgId: dr.orgId, Id: dashFolder.Id}
if err := bus.Dispatch(&deleteCmd); err != nil {
return nil, toFolderError(err)
}
return dashToFolder(dashFolder), nil
}
func getFolder(query models.GetDashboardQuery) (*models.Dashboard, error) {
if err := bus.Dispatch(&query); err != nil {
return nil, toFolderError(err)
}
if !query.Result.IsFolder {
return nil, models.ErrFolderNotFound
}
return query.Result, nil
}
func dashToFolder(dash *models.Dashboard) *models.Folder {
return &models.Folder{
Id: dash.Id,
Uid: dash.Uid,
Title: dash.Title,
HasAcl: dash.HasAcl,
Url: dash.GetUrl(),
Version: dash.Version,
Created: dash.Created,
CreatedBy: dash.CreatedBy,
Updated: dash.Updated,
UpdatedBy: dash.UpdatedBy,
}
}
func toFolderError(err error) error {
if err == models.ErrDashboardTitleEmpty {
return models.ErrFolderTitleEmpty
}
if err == models.ErrDashboardUpdateAccessDenied {
return models.ErrFolderAccessDenied
}
if err == models.ErrDashboardWithSameNameInFolderExists {
return models.ErrFolderSameNameExists
}
if err == models.ErrDashboardWithSameUIDExists {
return models.ErrFolderWithSameUIDExists
}
if err == models.ErrDashboardVersionMismatch {
return models.ErrFolderVersionMismatch
}
if err == models.ErrDashboardNotFound {
return models.ErrFolderNotFound
}
if err == models.ErrDashboardFailedGenerateUniqueUid {
err = models.ErrFolderFailedGenerateUniqueUid
}
return err
}
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