1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
5 import { CommonResourceService } from "../../common/api/common-resource-service";
6 import { CollectionResource } from "../../models/collection";
7 import axios, { AxiosInstance } from "axios";
8 import { KeepService } from "../keep-service/keep-service";
9 import { FilterBuilder } from "../../common/api/filter-builder";
10 import { CollectionFile, createCollectionFile, createCollectionDirectory, createCollectionFilesTree, CollectionFileType, CollectionDirectory } from "../../models/collection-file";
11 import { parseKeepManifestText, stringifyKeepManifest } from "../collection-files-service/collection-manifest-parser";
12 import * as _ from "lodash";
13 import { KeepManifestStream } from "../../models/keep-manifest";
14 import { WebDAV } from "../../common/webdav";
15 import { AuthService } from "../auth-service/auth-service";
16 import { mapTree, getNodeChildren, getNode, TreeNode } from "../../models/tree";
17 import { getTagValue } from "../../common/xml";
19 export type UploadProgress = (fileId: number, loaded: number, total: number, currentTime: number) => void;
21 export class CollectionService extends CommonResourceService<CollectionResource> {
22 constructor(serverApi: AxiosInstance, private keepService: KeepService, private webdavClient: WebDAV, private authService: AuthService) {
23 super(serverApi, "collections");
26 async files(uuid: string) {
27 const request = await this.webdavClient.propfind(`/c=${uuid}`);
28 if (request.responseXML != null) {
29 const files = this.extractFilesData(request.responseXML);
30 const tree = createCollectionFilesTree(files);
31 const sortedTree = mapTree(node => {
32 const children = getNodeChildren(node.id)(tree).map(id => getNode(id)(tree)) as TreeNode<CollectionDirectory | CollectionFile>[];
33 children.sort((a, b) =>
34 a.value.type !== b.value.type
35 ? a.value.type === CollectionFileType.DIRECTORY ? -1 : 1
36 : a.value.name.localeCompare(b.value.name)
38 return { ...node, children: children.map(child => child.id) };
42 return Promise.reject();
45 async deleteFile(collectionUuid: string, filePath: string) {
46 return this.webdavClient.delete(`/c=${collectionUuid}${filePath}`);
49 extractFilesData(document: Document) {
51 .from(document.getElementsByTagName('D:response'))
52 .slice(1) // omit first element which is collection itself
54 const name = getTagValue(element, 'D:displayname', '');
55 const size = parseInt(getTagValue(element, 'D:getcontentlength', '0') as string, 10);
56 const pathname = getTagValue(element, 'D:href', '');
57 const directory = pathname && pathname.replace(/\/c=[0-9a-zA-Z\-]*/, '').replace(`/${name || ''}`, '');
58 const href = this.webdavClient.defaults.baseURL + pathname + '?api_token=' + this.authService.getApiToken();
62 id: `${directory}/${name}`,
67 return getTagValue(element, 'D:resourcetype', '')
68 ? createCollectionDirectory(data)
69 : createCollectionFile({ ...data, size });
75 private readFile(file: File): Promise<ArrayBuffer> {
76 return new Promise<ArrayBuffer>(resolve => {
77 const reader = new FileReader();
78 reader.onload = () => {
79 resolve(reader.result as ArrayBuffer);
82 reader.readAsArrayBuffer(file);
86 private uploadFile(keepServiceHost: string, file: File, fileId: number, onProgress?: UploadProgress): Promise<CollectionFile> {
87 return this.readFile(file).then(content => {
88 return axios.post<string>(keepServiceHost, content, {
90 'Content-Type': 'text/octet-stream'
92 onUploadProgress: (e: ProgressEvent) => {
94 onProgress(fileId, e.loaded, e.total, Date.now());
96 console.log(`${e.loaded} / ${e.total}`);
98 }).then(data => createCollectionFile({
106 private async updateManifest(collectionUuid: string, files: CollectionFile[]): Promise<CollectionResource> {
107 const collection = await this.get(collectionUuid);
108 const manifest: KeepManifestStream[] = parseKeepManifestText(collection.manifestText);
111 let kms = manifest.find(stream => stream.name === f.path);
120 kms.locators.push(f.id);
121 const len = kms.files.length;
122 const nextPos = len > 0
123 ? parseInt(kms.files[len - 1].position, 10) + kms.files[len - 1].size
127 position: nextPos.toString(),
132 console.log(manifest);
134 const manifestText = stringifyKeepManifest(manifest);
135 const data = { ...collection, manifestText };
136 return this.update(collectionUuid, CommonResourceService.mapKeys(_.snakeCase)(data));
139 uploadFiles(collectionUuid: string, files: File[], onProgress?: UploadProgress): Promise<CollectionResource | never> {
140 const filters = FilterBuilder.create()
141 .addEqual("service_type", "proxy");
143 return this.keepService.list({ filters }).then(data => {
144 if (data.items && data.items.length > 0) {
146 (data.items[0].serviceSslFlag ? "https://" : "http://") +
147 data.items[0].serviceHost +
148 ":" + data.items[0].servicePort;
150 console.log("serviceHost", serviceHost);
152 const files$ = files.map((f, idx) => this.uploadFile(serviceHost, f, idx, onProgress));
153 return Promise.all(files$).then(values => {
154 return this.updateManifest(collectionUuid, values);
157 return Promise.reject("Missing keep service host");