cdn-experiments/storage/d4s-storage.js

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2022-05-02 12:21:55 +02:00
var D4S_STORAGE_SCRIPT = document.currentScript
/**
* Base class of <d4s-storage-tree> and <d4s-storage-folder>
*/
class D4SStorageHtmlElement extends HTMLElement {
#srcbaseurl = null
constructor() {
super()
if (D4S_STORAGE_SCRIPT && D4S_STORAGE_SCRIPT.src) {
this.#srcbaseurl = D4S_STORAGE_SCRIPT.src.substring(0, D4S_STORAGE_SCRIPT.src.lastIndexOf('/'));
}
this.attachShadow({mode: 'open'})
}
connectedCallback() {
let linkElem = document.createElement('link');
linkElem.setAttribute('rel', 'stylesheet');
linkElem.setAttribute('href', 'https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css');
this.shadowRoot.appendChild(linkElem);
}
get srcBaseURL() {
return this.#srcbaseurl;
}
}
class D4SStorageToolbar extends D4SStorageHtmlElement {
static toolbar_event_name = "d4s-toolbar";
static refresh_folder = "refresh-folder";
static create_folder = "create-folder";
static delete_folder = "delete-folder";
static download = "download";
static upload_file = "upload-file";
static upload_archive = "upload-archive";
#last_action = null;
constructor() {
super()
}
connectedCallback() {
super.connectedCallback();
var div = document.createElement('div');
div.innerHTML = /*html*/`
<div class="border">
<span class="px-2" id="refresh"><img src="${this.srcBaseURL}/img/arrow-clockwise.svg" alt="Refresh folder contents"></img></span>
<span class="px-2" id="create"><img src="${this.srcBaseURL}/img/folder-plus.svg" alt="Create new folder"></img></span>
<span class="px-2" id="delete"><img src="${this.srcBaseURL}/img/folder-x.svg" alt="Delete folder"></img></span>
<span class="px-2" id="download"><img src="${this.srcBaseURL}/img/box-arrow-down.svg" alt="Download folder as ZIP"></img></span>
<span class="px-2" id="upload-file"><img src="${this.srcBaseURL}/img/box-arrow-in-up.svg" alt="Upload file"></img></span>
<span class="px-2" id="upload-archive"><img src="${this.srcBaseURL}/img/file-earmark-zip.svg" alt="Upload archive"></img></span>
</div>`;
div.querySelector("#refresh").addEventListener('click', (ev) => {
ev.stopPropagation();
this.actionPerformed(D4SStorageToolbar.refresh_folder);
});
div.querySelector("#create").addEventListener('click', (ev) => {
ev.stopPropagation();
this.actionPerformed(D4SStorageToolbar.create_folder);
});
div.querySelector("#delete").addEventListener('click', (ev) => {
ev.stopPropagation();
this.actionPerformed(D4SStorageToolbar.delete_folder);
});
div.querySelector("#download").addEventListener('click', (ev) => {
ev.stopPropagation();
this.actionPerformed(D4SStorageToolbar.download);
});
div.querySelector("#upload-file").addEventListener('click', (ev) => {
ev.stopPropagation();
this.actionPerformed(D4SStorageToolbar.upload_file);
});
div.querySelector("#upload-archive").addEventListener('click', (ev) => {
ev.stopPropagation();
this.actionPerformed(D4SStorageToolbar.upload_archive);
});
this.shadowRoot.appendChild(div);
}
actionPerformed(action) {
this.#last_action = action;
this.dispatchEvent(new CustomEvent(D4SStorageToolbar.toolbar_event_name, {detail: {action: action}}));
}
get lastAction() {
return this.#last_action;
}
}
class D4SStorageTree extends D4SStorageHtmlElement {
static tree_event_name = "d4s-toolbar";
static folder_data_event_name = "d4s-folder-data";
static dataid_attr = 'data-id';
static dataname_attr = 'data-name';
static parentid_attr = 'parent-id';
#loadedClass = 'loaded'
#selectedClass = 'selected'
#selectedbgcolor = 'lightgray'
#boot = null
#baseurl = 'https://api.d4science.org/workspace'
#filedownloadenabled = false;
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#showfiles = true;
#allowdrag = false;
#d4sworkspace = null;
#foldersMap = {};
#currentid = null;
#pendingIdRequests = new Set();
constructor() {
super()
this.#boot = document.querySelector('d4s-boot-2');
this.#d4sworkspace = new D4SWorkspace(this.#baseurl, this.#boot);
}
get boot() {
return this.#boot;
}
get baseUrl() {
return this.#baseurl;
}
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get showFiles() {
return this.#showfiles;
}
set showFiles(value){
this.#showfiles = value
}
get allowDrag() {
return this.#allowdrag;
}
set allowDrag(value){
this.#allowdrag = value
}
set baseUrl(url) {
this.#baseurl = url;
// this.setAttribute("baseurl", url)
this.#d4sworkspace = new D4SWorkspace(this.#baseurl, this.#boot);
}
set fileDownloadEnabled(value) {
this.#filedownloadenabled = value;
}
get fileDownloadEnabled() {
return this.#filedownloadenabled;
}
get d4sWorkspace() {
return this.#d4sworkspace;
}
set currentId(id) {
this.#currentid = id;
}
get currentId() {
return this.#currentid;
}
setFolderItems(id, items, fireEvent = true) {
this.#foldersMap[id] = items;
this.#pendingIdRequests.delete(id);
if (fireEvent) {
this.dispatchEvent(
new CustomEvent(
D4SStorageTree.folder_data_event_name,
{detail: {id: id}}
)
);
}
}
getFolderItems(id) {
return this.#foldersMap[id];
}
getSelectedFolderItems() {
this.getFolderItems(this.currentId);
}
static get observedAttributes() {
return ["base-url", "file-download-enabled", "show-files", "allow-drag"];
}
attributeChangedCallback(name, oldValue, newValue) {
if (oldValue !== newValue) {
switch (name) {
case "base-url":
this.baseUrl = newValue;
break;
case "file-download-enabled":
this.fileDownloadEnabled = (newValue.toLowerCase() === 'true');
break;
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case "show-files":
this.showFiles = (newValue.toLowerCase() === 'true');
break;
case "allow-drag":
this.allowDrag = (newValue.toLowerCase() === 'true');
break;
default:
console.warn("Unexpected attribute changed: " + name);
}
}
}
connectedCallback() {
super.connectedCallback();
const div = document.createElement('div')
div.innerHTML = /*css*/`
<style>
.selected > span {
background-color: ${this.#selectedbgcolor};
}
ul.root {
padding-left: 0;
}
ul, li {
list-style-type: none;
margin-bottom: 0;
padding-left: 0.6em;
}
li {
cursor: pointer;
}
.dragover {
background-color: purple;
}
</style>`;
this.shadowRoot.appendChild(div);
const workspaceDIV = document.createElement('div');
const vreFolderDIV = document.createElement('div');
div.appendChild(workspaceDIV);
div.appendChild(vreFolderDIV);
this.d4sWorkspace.getWorkspace().then(data => {
this.parseItemsData(workspaceDIV, data);
}).catch(err => console.error(err));
this.d4sWorkspace.getVREFolder().then(data => {
this.parseItemsData(vreFolderDIV, data);
}).catch(err => console.error(err))
this.addEventListener(D4SStorageTree.folder_data_event_name, this.folderDataEventHandler);
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", this.registerOtherListeners.bind(this));
}
}
disconnectedCallback() {
this.removeEventListener(D4SStorageTree.folder_data_event_name);
const toolbar = document.querySelector("d4s-storage-tool");
if (toolbar) toolbar.removeEventListener(D4SStorageToolbar.toolbar_event_name);
const folder = document.querySelector("d4s-storage-folder");
if (folder) folder.removeEventListener(D4SStorageFolder.selected_event_name);
}
registerOtherListeners(event) {
const toolbar = document.querySelector("d4s-storage-tool");
if (toolbar) toolbar.addEventListener(D4SStorageToolbar.toolbar_event_name, this.toolbarEventHandler.bind(this));
const folder = document.querySelector("d4s-storage-folder");
if (folder) folder.addEventListener(D4SStorageFolder.selected_event_name, this.folderEventHandler.bind(this));
}
folderDataEventHandler(event) {
this.fillWithContent(this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${event.detail.id}']`))
}
toolbarEventHandler(event) {
switch (event.detail.action) {
case D4SStorageToolbar.refresh_folder:
if (this.currentId) {
this.refreshFolder(this.currentId);
}
break;
case D4SStorageToolbar.create_folder:
if (this.currentId) {
this.createNewFolderIn(this.currentId);
}
break;
case D4SStorageToolbar.delete_folder:
if (this.currentId) {
this.delete(this.currentId);
}
break;
case D4SStorageToolbar.download:
if (this.currentId) {
const name = this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${this.currentId}']`).getAttribute(D4SStorageTree.dataname_attr);
this.d4sWorkspace.download(this.currentId, name);
}
break;
case D4SStorageToolbar.upload_file:
var file = document.createElement('input');
file.type = 'file';
file.addEventListener('change', (ev) => {
const selectedFile = file.files[0];
if (selectedFile) {
this.uploadFile(this.currentId, selectedFile);
}
});
file.click();
break;
case D4SStorageToolbar.upload_archive:
var file = document.createElement('input');
file.type = 'file';
file.addEventListener('change', (ev) => {
const selectedFile = file.files[0];
if (selectedFile) {
this.uploadArchive(this.currentId, selectedFile);
}
});
file.click();
break;
default:
console.error('Unexpected event action: ' + event.detail.action);
break;
}
}
folderEventHandler(event) {
switch (event.detail.itemtype) {
case D4SStorageFolder.file_selected_detail_itemtype:
if (this.fileDownloadEnabled) {
console.info("Download of file: " + event.detail.name + " [" + event.detail.id + "]");
this.d4sWorkspace.download(event.detail.id, event.detail.name).catch(err => {alert(err)});
} else {
console.log("File download is disabled");
}
break;
case D4SStorageFolder.folder_selected_detail_itemtype:
this.select(event.detail.id);
break;
default:
console.warn("Unexpected folder event: " + event.detail.itemtype);
break;
}
}
select(id) {
this.currentId = id;
const li = this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${id}']`);
this.displayPath(li);
if (li.classList.contains(this.#selectedClass)) {
this.toggleULDisplay(li);
}
// switch selected and lists folder contents
if (!li.classList.contains(this.#selectedClass)) {
const selected = this.shadowRoot.querySelector('.' + this.#selectedClass)
if (selected) {
selected.classList.remove(this.#selectedClass)
}
li.classList.add(this.#selectedClass)
}
if (!li.classList.contains(this.#loadedClass)) {
this.fillWithContent(li);
}
this.dispatchEvent(
new CustomEvent(
D4SStorageTree.tree_event_name,
{detail: {id: id}}
)
);
}
refreshContents(element) {
[...element.querySelectorAll(`ul`)].forEach(ul => {
ul.remove();
});
this.fillWithContent(element);
}
fillWithContent(element) {
const id = element.getAttribute(D4SStorageTree.dataid_attr);
const contents = this.getFolderItems(id);
if (contents) {
this.parseItemsData(element, contents);
} else {
if (!this.#pendingIdRequests.has(id)) {
this.#pendingIdRequests.add(id);
this.d4sWorkspace.listFolder(id).then(data => {
this.setFolderItems(id, data);
}).catch(err => console.error(err));
}
}
}
parseItemsData(parentElement, data) {
parentElement.classList.add(this.#loadedClass);
const parentId = parentElement.getAttribute(D4SStorageTree.dataid_attr);
const ul = document.createElement('ul');
ul.classList.add('nested');
if (!parentId) {
ul.classList.add('root');
}
if (Array.isArray(data)) {
data
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.filter(item => this.showFiles || item['@class'].includes('FolderItem'))
.forEach(item => {
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ul.appendChild(this.createListItem(item.name, item.id, item['@class'], parentId));
})
} else {
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ul.appendChild(this.createListItem(data.displayName ? data.displayName : data.name, data.id, data['@class'], parentId));
}
parentElement.appendChild(ul);
}
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createListItem(label, id, type, parentId) {
const li = document.createElement('li');
li.setAttribute(D4SStorageTree.dataname_attr, label);
li.setAttribute(D4SStorageTree.dataid_attr, id);
li.style.userSelect = "none"
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li.title = li.alt = label
if (parentId) {
li.setAttribute(D4SStorageTree.parentid_attr, parentId);
}
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const icon = type.includes('FolderItem') ? "folder.svg" : "file-earmark.svg"
li.innerHTML = `
<img class="px-1" src="${this.srcBaseURL}/img/${icon}"</img>
<span>${label}</span>
`
li.addEventListener('click', (ev) => {
ev.stopPropagation();
this.select(ev.currentTarget.getAttribute(D4SStorageTree.dataid_attr));
});
if(this.allowDrag){
li.setAttribute("draggable", true)
li.addEventListener("dragstart", ev=>{
const id = ev.currentTarget.getAttribute(D4SStorageTree.dataid_attr)
ev.dataTransfer.effectAllowed = 'copy'
ev.dataTransfer.setData('text/html', ev.currentTarget.querySelector("span").innerHTML)
ev.dataTransfer.setData('text/plain+publiclink', this.#d4sworkspace.getPublicLink(id))
ev.dataTransfer.setData('text/plain+downloadlink', this.#d4sworkspace.getDownloadLink(id))
ev.stopPropagation()
})
li.addEventListener("dragend", ev=>{
ev.preventDefault()
ev.stopPropagation()
})
}
// li.addEventListener("dragenter", dee =>{
// dee.stopPropagation();
// dee.preventDefault();
// if (li == dee.target) {
// dee.target.classList.add("dragover");
// }
// }, false);
// li.addEventListener("dragleave", dle =>{
// dle.stopPropagation();
// dle.preventDefault();
// if (li == dle.target) {
// dle.target.classList.remove("dragover");
// }
// }, false);
// li.addEventListener("dragover", doe => {
// doe.stopPropagation();
// doe.preventDefault();
// }, false);
// li.addEventListener("drop", de => {
// de.stopPropagation();
// de.preventDefault();
// const dt = de.dataTransfer;
// const files = dt.files;
// console.log(files);
// }, false);
return li;
}
displayPath(li) {
let curr = li
while (curr.parentElement != null) {
if (curr.parentElement.tagName == 'UL') {
curr.parentElement.style.display = 'block'
}
curr = curr.parentElement
}
}
toggleULDisplay(li) {
const ul = li.querySelector('ul')
if (ul) {
ul.style.display = (ul.style.display === 'none') ? 'block' : 'none'
}
}
refreshFolder(id) {
const folder = this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${id}']`);
console.log("Refreshing folder: " + folder.getAttribute(D4SStorageTree.dataname_attr));
this.setFolderItems(id, null, false);
this.refreshContents(folder);
// this.select(id);
}
createNewFolderIn(id) {
const newFolderName = window.prompt("Enter the new folder name");
if (newFolderName) {
this.d4sWorkspace.getOrCreateFolder(id, newFolderName, "Created from JS UI").then(newId => {
window.setTimeout(()=>{
this.refreshContents(this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${id}']`));
this.select(id);
}, 2000);
}).catch(err => {
alert(err);
})
}
}
delete(id) {
const currentLI = this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${id}']`);
const name = currentLI.getAttribute(D4SStorageTree.dataname_attr);
if (currentLI.getAttribute(D4SStorageTree.parentid_attr)) {
if (confirm(`Do you really want to delete folder '${name}'?`)) {
if(this.d4sWorkspace.deleteItem(id)) {
window.setTimeout(()=>{
const parentFolderId = currentLI.getAttribute(D4SStorageTree.parentid_attr);
this.refreshContents(this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${parentFolderId}']`));
this.select(parentFolderId);
}, 2000);
} else {
alert(err);
}
}
} else {
alert("You cannot delete ROOT folder: "+ name);
}
}
uploadFile(targetFolderId, file) {
if (this.d4sWorkspace.uploadFile(targetFolderId, file.name, "", file, file.type)) {
window.setTimeout(()=>{
this.select(targetFolderId);
}, 2000);
}
}
uploadArchive(targetFolderId, file) {
if (this.d4sWorkspace.uploadArchive(targetFolderId, file.name.substring(0, file.name.lastIndexOf(".")), file)) {
window.setTimeout(()=>{
this.refreshContents(this.shadowRoot.querySelector(`*[${D4SStorageTree.dataid_attr}='${targetFolderId}']`));
this.select(targetFolderId);
}, 3000);
}
}
}
class D4SStorageFolder extends D4SStorageHtmlElement {
static selected_event_name = "d4s-folder-selected";
static folder_selected_detail_itemtype = "folder_selected";
static file_selected_detail_itemtype = "file_selected";
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#selectedbgcolor = 'lightgray'
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constructor() {
super()
}
connectedCallback() {
super.connectedCallback();
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const style = document.createElement('style')
style.innerHTML = /*css*/`
span {
cursor: pointer;
user-select: none;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
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`
this.shadowRoot.appendChild(style);
this.createContainer();
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", this.registerOtherListeners.bind(this));
}
}
disconnectedCallback() {
const tree = document.querySelector("d4s-storage-tree");
if (tree) {
tree.removeEventListener(D4SStorageTree.folder_data_event_name);
tree.removeEventListener(D4SStorageTree.tree_event_name);
}
}
registerOtherListeners(event) {
const tree = document.querySelector("d4s-storage-tree");
if (tree) {
tree.addEventListener(D4SStorageTree.folder_data_event_name, this.folderDataEventHandler.bind(this));
tree.addEventListener(D4SStorageTree.tree_event_name, this.treeEventHandler.bind(this));
}
}
folderDataEventHandler(event) {
if (event.detail.id === event.target.currentId) {
const folderItems = event.target.getFolderItems(event.detail.id);
if (folderItems) {
this.parseItemsData(folderItems);
}
}
}
treeEventHandler(event) {
const folderItems = event.target.getFolderItems(event.detail.id);
if (folderItems) {
// It's first time folder is selected, data is stil not loaded,
// they will be loaded by the folderDataEventHandler() function when available
this.parseItemsData(folderItems);
}
}
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createContainer() {
var div = document.createElement('div')
div.classList.add('d4s-folder')
var child = this.shadowRoot.querySelector('.d4s-folder')
if (child) {
this.shadowRoot.removeChild(child)
}
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this.shadowRoot.appendChild(div)
return div
}
parseItemsData(data) {
const root = this.createContainer();
if (Array.isArray(data)) {
data.forEach(item => root.appendChild(this.createFileRow(item)));
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} else {
console.error("Returned data is not an array: " + data);
}
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}
createFileRow(item) {
var div = document.createElement('div')
div.classList.add('row')
var filename = document.createElement('div')
filename.classList.add('col')
var spanAndName = /*html*/`<span>${item.name}</span>`
filename.innerHTML = this.iconTag(item) + spanAndName
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const isFolder = item['@class'].includes('FolderItem')
filename.addEventListener('click', (ev) => {
ev.stopPropagation()
if (isFolder) {
const span = ev.currentTarget.querySelector(':nth-child(2)')
if (span) {
span.style = 'background-color: ' + this.#selectedbgcolor
}
this.dispatchEvent(
new CustomEvent(
D4SStorageFolder.selected_event_name,
{detail: {itemtype: D4SStorageFolder.folder_selected_detail_itemtype, id: item.id, name: item.name}}
)
);
} else {
this.dispatchEvent(
new CustomEvent(
D4SStorageFolder.selected_event_name,
{detail: {itemtype: D4SStorageFolder.file_selected_detail_itemtype, id: item.id, name: item.name}}
)
);
}
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})
div.appendChild(filename)
return div
}
iconTag(item) {
var i = /*html*/`<img src="${this.srcBaseURL}/img/file-earmark.svg"></img>`
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if (item['@class'].includes('FolderItem')) {
i = /*html*/`<img src="${this.srcBaseURL}/img/folder.svg"></img>`
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} else if (item['@class'].includes('ImageFile')) {
i = /*html*/`<img src="${this.srcBaseURL}/img/image.svg"></img>`
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} else if (item['@class'].includes('PDFFileItem')) {
i = /*html*/`<img src="${this.srcBaseURL}/img/filetype-pdf.svg"></img>`
}
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return '<span class="px-2">' + i + '</span>'
}
}
/**
* Class that helps the interaction with the D4Science's Workspace via API and user's token as bearer authentication
*/
class D4SWorkspace {
#d4sboot = null;
#workspaceURL = null;
/**
* Creates the new D4SWorkspace object, the d4sboot parameter can be null, in this case it is searched in the DOM document via <code>querySelector()</code> method
* @param {string} workspaceURL the WS API base URL
* @param {d4s-boot-2} d4sboot the d4s-boot-2 instance
*/
constructor(workspaceURL, d4sboot) {
this.setWorkspaceURL(workspaceURL)
if (d4sboot) {
this.setD4SBoot(d4sboot)
} else {
this.setD4SBoot(document.querySelector("d4s-boot-2"));
}
}
/**
* Sets the Workspace API base URL
* @param {string} workspaceURL the WS API base URL
*/
setWorkspaceURL(workspaceURL) {
this.#workspaceURL = workspaceURL;
}
/**
* Sets the d4s-boot-2 instance to be used to perform the OIDC/UMA autenticated secure fetches
* @param {string} d4sboot the d4s-boot-2 instance
*/
setD4SBoot(d4sboot) {
this.#d4sboot = d4sboot;
}
getPublicLink(itemId){
return this.#workspaceURL + "/items/" + itemId + "/publiclink"
}
getDownloadLink(itemId){
return this.#workspaceURL + "/items/" + itemId + "/download"
}
/**
* Calls with a secure fetch the workspace with provided data.
* To upload data by using a <code>FormData</code> object you have to leave the <code>mime</code> attribute as <code>null</code>.
* @param {*} method the method to use for the call, default to <code>GET</code>
* @param {*} uri the uri to invoke, relative to <code>workspaceURL</code> provided in the object's constructor
* @param {*} body the payload to send
* @param {*} mime the mime type of the payload
* @param {*} extraHeaders extra HTTP headers to send
* @returns the reponse payload as a Blob() promise
* @throws the error as string, if occurred
*/
#callWorkspace(method, uri, body, mime, extraHeaders) {
let req = { };
if (method) {
req.method = method;
}
if (body) {
req.body = body;
}
if (extraHeaders) {
req.headers = extraHeaders;
}
if (mime) {
if (req.headers) {
req.headers["Content-Type"] = mime;
} else {
req.headers = { "Content-Type" : mime };
}
}
let url = this.#workspaceURL;
if (uri) {
url += uri.startsWith('/') ? uri : '/' + uri;
}
console.log("Invoking WS API with: " + url);
return this.#d4sboot.secureFetch(url, req)
.then(resp => {
if (resp.ok) {
return resp.blob();
} else {
throw "Cannot invoke workspace via secure fetch for URL: " + url;
}
}).catch(err => {
console.error(err);
throw err;
});
}
/**
* Gets the user's Workspace root folder JSON item
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the WS root folder JSON item object
* @throws the error as string, if occurred
*/
getWorkspace(extraHeaders) {
return this.#callWorkspace("GET", null, null, null, extraHeaders)
.then(blob => {
return blob.text().then(text => {
return JSON.parse(text).item;
})
}).catch(err => {
const msg = "Cannot get workspace root ID. Error message: " + err;
console.error(msg);
throw msg;
});
}
/**
* Gets the user's Workspace root folder id (as string)
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the id of the WS root folder
* @throws the error as string, if occurred
*/
getWorkspaceId(extraHeaders) {
return this.getWorkspace(extraHeaders)
.then(json => {
return json.item.id;
});
}
/**
* Gets the contents of a folder, all sub-folders and files.
* @param {string} folderId the WS folder id to list
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the contents of the WS folder as json objects
* @throws the error as string, if occurred
*/
listFolder(folderId, extraHeaders) {
const uri = "/items/" + folderId + "/children";
return this.#callWorkspace("GET", uri, null, null, extraHeaders)
.then(blob => {
return blob.text().then(text => {
return JSON.parse(text).itemlist;
});
}).catch(err => {
const msg = "Cannot get folder's content list. Error message: " + err;
console.error(msg);
throw msg;
});
}
/**
* Gets the VRE folder JSON item that belongs to the context where the access token has been issued.
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the id of the WS VRE folder
* @throws the error as string, if occurred
*/
getVREFolder(extraHeaders) {
return this.#callWorkspace("GET", "/vrefolder", null, null, extraHeaders)
.then(blob => {
return blob.text().then(text => {
return JSON.parse(text).item;
});
}).catch(err => {
const msg = "Cannot get VRE folder ID. Error message: " + err;
console.error(msg);
throw msg;
});
}
/**
* Gets the VRE folder id (as string) that belongs to the context where the access token has been issued.
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the id of the WS VRE folder
* @throws the error as string, if occurred
*/
getVREFolderId(extraHeaders) {
return this.getVREFolder(extraHeaders)
.then(item => {
return item.id;
});
}
/**
* @deprecated please use getOrCreateFolder() function instead
* @param {string} parentFolderId the id of the parent folder where search fo the folder
* @param {string} name the name of the folder (characters not allowed: ":", [others still to be found])
* @param {string} description the description of the folder if it should be creaded
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the id of the folder, if it exists or it has been just created
* @throws the error as string, if occurred
*/
checkOrCreateFolder(parentFolderId, name, description, extraHeaders) {
return this.getOrCreateFolder(parentFolderId, name, description, extraHeaders);
}
/**
* Gets the id of the folder represented by the name parameter if exists, a new folder is created if it doesn't not exist
* @param {string} parentFolderId the id of the parent folder where search fo the folder
* @param {string} name the name of the folder (characters not allowed: ":", [others still to be found])
* @param {string} description the description of the folder if it should be creaded
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the id of the folder, if it exists or it has been just created
* @throws the error as string, if occurred
*/
getOrCreateFolder(parentFolderId, name, description, extraHeaders) {
const baseURI = "/items/" + parentFolderId;
console.log("Checking existance of folder: " + name);
let uri = baseURI + "/items/" + name;
return this.#callWorkspace("GET", uri, null, null, extraHeaders)
.then(blob => {
return blob.text().then(text => {
const json = JSON.parse(text);
if (json.itemlist[0]) {
const id = json.itemlist[0].id;
console.log("'" + name + "' folder exists with and has id: " + id);
return id;
} else {
console.info("'" + name + "' folder doesn't exist, creating it: " + name);
uri = baseURI + "/create/FOLDER";
const params = new URLSearchParams({ name : name, description : description, hidden : false });
return this.#callWorkspace("POST", uri, params.toString(), "application/x-www-form-urlencoded", extraHeaders).then(id => {
console.log("New '" + name + "' folder successfully created with id: " + id);
return id
});
}
});
});
};
/**
* Deletes a Workspace item (folder or file) represented by its id.
* @param {string} itemId the id of the item do delete
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns <code>true</code> if the file has been correctly created, <code>false<c/ode> otherwise
*/
deleteItem(itemId, extraHeaders) {
return this.#callWorkspace("DELETE", "/items/" + itemId, null, null, extraHeaders)
.then(results => {
return true;
}).catch(err => {
console.error("Cannot DELETE workspace item with ID: " + itemId + ". Error message: " + err);
return false;
});
}
/**
* Downloads a Workspace item (folder or file) represented by its id.
* @param {string} itemId the WS item to download
* @param {string} name the name of the file to use for the download, if null the id is used
* @param {boolean} skipLocalDownload if provided and <code>true</code> returns the data to function caller, otherwise it also downloads it locally.
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the file's content, if item is a file, or a ZIP compressed archive if the item represents a folder, as a Blob object
* @throws the error as string, if occurred
*/
download(itemId, name, skipLocalDownload, extraHeaders) {
return this.#callWorkspace("GET", "/items/" + itemId + "/download", null, null, extraHeaders)
.then(data => {
if (!skipLocalDownload) {
console.log("Donwloads item also locally to browser");
const objectURL = URL.createObjectURL(data);
var tmplnk = document.createElement("a");
tmplnk.download = name ? name : itemId;
tmplnk.href = objectURL;
//tmplnk.target="_blank";
document.body.appendChild(tmplnk);
tmplnk.click();
document.body.removeChild(tmplnk);
} else {
console.log("Skipping local download");
}
return data;
}).catch(err => {
const msg = "Cannot download item with ID: " + itemId + ". Error message: " + err;
console.error(msg);
throw msg;
});
}
/**
* Uploads a new file into the folder represented by its id
* @param {string} folderId the folder where to create the new file
* @param {string} name the name of the file to crete (characters not allowed: ":", [others still to be found])
* @param {object} data the archive data
* @param {string} contentType the content type of the file
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns <code>true</code> if the file has been correctly created, <code>false<c/ode> otherwise
*/
uploadFile(folderId, name, description, data, contentType, extraHeaders) {
const uri = "/items/" + folderId + "/create/FILE";
const request = new FormData();
request.append("name", name);
request.append("description", description);
request.append(
"file",
new Blob([data], {
type: contentType
})
);
return this.#callWorkspace("POST", uri, request, null, extraHeaders)
.then(blob => {
return blob.text().then(id => {
console.info("File '" + name + "' successfully uploaded and its id is: " + id);
return true;
})
}).catch(err => {
console.error("Cannot upload file '" + name + "'. Error: " + err);
return false;
});
}
/**
* Uploads a new archive and stores its content into the folder represented by its id
* @param {string} folderId the folder where to create the new file
* @param {string} parentFolderName the name of the folder to create (characters not allowed: ":", [others still to be found])
* @param {object} data the file's contents
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns <code>true</code> if the file has been correctly created, <code>false<c/ode> otherwise
*/
uploadArchive(folderId, parentFolderName, data, extraHeaders) {
const uri = "/items/" + folderId + "/create/ARCHIVE";
const request = new FormData();
request.append("parentFolderName", parentFolderName);
request.append(
"file",
new Blob([data], {
type: "application/octet-stream"
})
);
return this.#callWorkspace("POST", uri, request, null, extraHeaders)
.then(blob => {
return blob.text().then(id => {
console.info("Archive file successfully uploaded and extracted into the '" + parentFolderName + "' folder, its id is: " + id);
return true;
})
}).catch(err => {
console.error("Cannot upload archive file. Error: " + err);
return false;
});
}
/**
* Returns the public URL of a file
* @param {string} itemId the id of the item
* @param {int} version the optional file version
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the public URL of the item
* @throws the error as string, if occurred
*/
getPublicURL(itemId, version, extraHeaders) {
let uri = "/items/" + itemId + "/publiclink";
if (version) {
uri += "version=" + version;
}
return this.#callWorkspace("GET", uri, null, null, extraHeaders)
.then(blob => {
return blob.text().then(publicURL => {
return publicURL;
})
}).catch(err => {
const message = "Cannot retrieve the item's public URL. Error message: " + err;
console.error(message);
throw message;
});
}
/**
* Finds into a folder all the file files having the name than matches a specific pattern.
* Wildcard (*) can be used at the start or the end of the pattern (eg. starts with *{name}, ends with = {name}*)
* @param {string} folderId the WS folder id where to search
* @param {string} pattern the pattern to use for the search. Wildcard '*' can be used at the start or the end of the pattern (eg. starts with *{name}, ends with = {name}*)
* @param {map} extraHeaders extra HTTP headers to be used for the request
* @returns the contents of the WS folder as json objects
* @throws the error as string, if occurred
*/
findByName(folderId, pattern, extraHeaders) {
const uri = "/items/" + folderId + "/items/" + pattern;
return this.#callWorkspace("GET", uri, null, null, extraHeaders)
.then(blob => {
return blob.text().then(text => {
return JSON.parse(text).itemlist;
});
}).catch(err => {
const msg = "Cannot get folder's content list. Error message: " + err;
console.error(msg);
throw msg;
});
}
}
/**
* Builds storagehub toolbar and raises an event for each selected tool item
* <d4s-storage-tool>
*/
window.customElements.define('d4s-storage-tool', D4SStorageToolbar);
/**
* Builds storagehub VRE folder or Workspace root tree, linked to toolbar and foldr list by events
* <d4s-storage-tree
* /@base-url: the base endpoint url string [defaults to: https://api.d4science.org/workspace]
* /@file-download-enabled: true/false to enable/disable the file download on d4s-storage-tool click event (false by default)
*/
window.customElements.define('d4s-storage-tree', D4SStorageTree);
/**
* Lists elements in selected folder linked to tree and model by events
* <d4s-storage-folder>
*/
window.customElements.define('d4s-storage-folder', D4SStorageFolder);