src/services/ancestors-service/ancestors-service.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import { GroupsService } from "~/services/groups-service/groups-service";
   6 import { UserService } from '../user-service/user-service';
   7 import { GroupResource } from '~/models/group';
   8 import { UserResource } from '~/models/user';
   9 import { extractUuidObjectType, ResourceObjectType } from "~/models/resource";
  10
  11 export class AncestorService {
  12     constructor(
  13         private groupsService: GroupsService,
  14         private userService: UserService
  15     ) { }
  16
  17     async ancestors(startUuid: string, endUuid: string): Promise<Array<UserResource | GroupResource>> {
  18         return this._ancestors(startUuid, endUuid);
  19     }
  20
  21     private async _ancestors(startUuid: string, endUuid: string, previousUuid = ''): Promise<Array<UserResource | GroupResource>> {
  22
  23         if (startUuid === previousUuid) {
  24             return [];
  25         }
  26
  27         const service = this.getService(extractUuidObjectType(startUuid));
  28         if (service) {
  29             try {
  30                 const resource = await service.get(startUuid);
  31                 if (startUuid === endUuid) {
  32                     return [resource];
  33                 } else {
  34                     return [
  35                         ...await this._ancestors(resource.ownerUuid, endUuid, startUuid),
  36                         resource
  37                     ];
  38                 }
  39             } catch (e) {
  40                 return [];
  41             }
  42         } else {
  43             return [];
  44         }
  45     }
  46
  47     private getService = (objectType?: string) => {
  48         switch (objectType) {
  49             case ResourceObjectType.GROUP:
  50                 return this.groupsService;
  51             case ResourceObjectType.USER:
  52                 return this.userService;
  53             default:
  54                 return undefined;
  55         }
  56     }
  57 }