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helpers.content.ts Maven / Gradle / Ivy
import { tokenPromise } from 'authentication/main';
import { Runtime } from 'helpers/runtime';
import { Notifier } from 'hooks/notification';
import Types from 'types/types';
import { download } from 'utils/download';
import { getExtension } from 'utils/files';
export type ContentType = "content" | "document" | "local"
export type ContentOptions = {
id: string,
path: string,
type: ContentType,
mimeType: string
}
export interface PartialContentOptions extends Partial {}
export type ContentViewEvent = KeyboardEvent | null
export class Content {
id: string
path: string
contentType: ContentType | undefined
private __mimeType: string | undefined
private __file: File | undefined
private __blob: Blob | undefined
private __url: string | undefined
constructor(id: string, path: string, type?: ContentType, mimeType?: string) {
this.id = id
this.path = path
this.contentType = type
this.__mimeType = mimeType
}
destructor() {
if (this.__url) {
window.URL.revokeObjectURL(this.__url)
this.__url = undefined
}
if (this.__file) {
delete this.__file
this.__file = undefined
}
if (this.__blob) {
delete this.__blob
this.__blob = undefined
}
}
static from(value: any, options?: PartialContentOptions): Content {
switch (true) {
case value instanceof Content:
return value as Content
case value instanceof File: {
const file = value as File
const id = options?.id || file.name
const path = options?.path || file.name
const mime = options?.mimeType || file.type
const content = new Content(id, path, options?.type, mime)
content.__file = file
return content
}
case value instanceof Blob: {
const blob = value as Blob
const id = options?.id || Math.random().toString()
const path = options?.path || "file-" + options?.id + "+" + Content.toMimeExtension(blob.type)
const mime = options?.mimeType || blob.type
const content = new Content(id, path, options?.type, mime)
content.__blob = blob
return content
}
case Types.isFileRef(value): {
const fileRef = Types.asFileRef(value)
const id = options?.id || fileRef.__id
const path = options?.path || fileRef.filename
const mime = options?.mimeType || fileRef.contentType
const content = new Content(id, path, options?.type, mime)
return content
}
default:
return Types.null()
}
}
get hasData(): boolean {
return !!(this.__blob || this.__file)
}
clone(): Content {
const content = new Content(this.id, this.path, this.contentType)
content.__blob = this.__blob
content.__file = this.__file
content.__url = this.__url
return content
}
setBlob(blob: Blob): void {
this.__blob = blob
this.__file = undefined
this.__url = undefined
}
withBlob(blob: Blob): Content {
const content = this.clone()
this.setBlob(blob)
return content
}
withFile(file: File): Content {
const content = this.clone()
content.__file = file
content.__blob = undefined
content.__url = undefined
return content
}
load(e?: React.SyntheticEvent, notifier?: Notifier): Promise {
e?.preventDefault()
e?.stopPropagation()
if (this.hasData) {
return Promise.resolve(this)
}
else {
return Content.fetchBlob(this.remoteUrl || "unknown")
.then(
blob => {
//console.log("content fetched: blob=%o, size=%s, type=%s", blob, blob.size, blob.type)
this.setBlob(blob)
return this
},
error => {
const err = new Error("Could not access content '" + this.path + "': " + (error?.message || JSON.stringify(error)))
notifier?.error(err.message)
return Promise.reject(err)
}
)
}
}
download(e?: React.SyntheticEvent, notifier?: Notifier) {
e?.preventDefault()
e?.stopPropagation()
this.load(e, notifier)
.then(content => {
if (content != null)
download(content.url, this.path)
else {
const msg = "No download content available for path: " + this.path
if (notifier)
notifier.error(msg)
else
window.alert(msg)
}
})
}
setMimetype(type: string) {
this.__mimeType = type
}
setFile(file: File) {
this.__file = file
}
toContentRef(): object {
return {
"__kind": "content-ref",
"__id": this.id,
"filename": this.path,
"contentType": this.contentType,
}
}
get blob(): Blob | undefined {
return this.__blob
}
get extension(): string | undefined {
if (this.path)
return getExtension(this.path)
if (this.__file)
return getExtension(this.__file.name) || Content.toMimeExtension(this.__file.type)
else if (this.__blob)
return Content.toMimeExtension(this.__blob.type)
}
get type(): string {
if (this.__mimeType)
return this.__mimeType
else {
this.__mimeType = this.derivedMimeType
return this.__mimeType || ""
}
}
private get derivedMimeType(): string | undefined {
if (this.__file)
return this.__file.type
else if (this.__blob)
return this.__blob.type
else
return Content.toMimeType(this.path)
}
get file(): File {
if (this.__file) {
return this.__file
}
else if (this.__blob) {
this.__file = new File([this.__blob], this.path, { type: this.__blob.type } )
return this.__file
}
else {
console.error("Could not create file for path: %o", this.path)
return Types.null()
}
}
get filename(): string {
return this.path
}
get remoteUrl(): string | undefined {
switch (this.contentType) {
case 'document':
return Runtime.document(this.id)
case 'local':
return undefined
case 'content':
default:
return Runtime.content(this.id)
}
}
get name(): string {
return this.filename
}
get url(): string {
if (this.__url)
return this.__url
else {
const contentLike = this.__file || this.__blob
if (contentLike) {
this.__url = window.URL.createObjectURL(contentLike)
return this.__url
} else {
return Types.null()
}
}
}
static fetchBlob(url: string): Promise {
return tokenPromise()
.then(token => {
const bearer = `Bearer ${token}`
return fetch(url, {
method: 'GET',
credentials: 'include',
//mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached;
headers: {
'Authorization': bearer,
'Content-Type': "multipart/form-data",
//'Accept' : "*/*"
}})
}
)
.then(request => {
if (request.status >= 400) {
console.error("Runtime download response: %o", request)
return Promise.reject(new Error(request.statusText))
} else {
return request && request.blob()
}
})
}
static toMimeType(filename: string): string | undefined {
return Content.toExtensionMime(getExtension(filename))
}
static toExtensionMime(extension: string): string | undefined {
return extensionToMimeTypeTable[extension]
}
static toMimeExtension(mimeType: string): string | undefined {
return mimeTypeToExtentionTable[mimeType]
}
}
const extensionToMimeTypeTable: { [key: string]: string; } = {
"aac": "audio/aac",
"abw": "application/x-abiword",
"arc": "application/x-freearc",
"avif": "image/avif",
"avi": "video/x-msvideo",
"azw": "application/vnd.amazon.ebook",
"bin": "application/octet-stream",
"bmp": "image/bmp",
"bz": "application/x-bzip",
"bz2": "application/x-bzip2",
"cda": "application/x-cdf",
"csh": "application/x-csh",
"css": "text/css",
"csv": "text/csv",
"doc": "application/msword",
"docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"eot": "application/vnd.ms-fontobject",
"epub": "application/epub+zip",
"gz": "application/gzip",
"gif": "image/gif",
"html": "text/html",
"ico": "image/vnd.microsoft.icon",
"ics": "text/calendar",
"jar": "application/java-archive",
"jpeg": "image/jpeg",
"jpg": "image/jpeg",
"js": "9239)",
"json": "application/json",
"jsonld": "application/ld+json",
"mid": "audio/x-midi",
"mjs": "text/javascript",
"mp3": "audio/mpeg",
"mp4": "video/mp4",
"mpeg": "video/mpeg",
"mpkg": "application/vnd.apple.installer+xml",
"msg": "application/vnd.ms-outlook",
"odp": "application/vnd.oasis.opendocument.presentation",
"ods": "application/vnd.oasis.opendocument.spreadsheet",
"odt": "application/vnd.oasis.opendocument.text",
"oga": "audio/ogg",
"ogv": "video/ogg",
"ogx": "application/ogg",
"opus": "audio/opus",
"otf": "font/otf",
"png": "image/png",
"pdf": "application/pdf",
"php": "application/x-httpd-php",
"ppt": "application/vnd.ms-powerpoint",
"pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation",
"rar": "application/vnd.rar",
"rtf": "application/rtf",
"sh": "application/x-sh",
"svg": "image/svg+xml",
"tar": "application/x-tar",
"tif,": "image/tiff",
"ts": "video/mp2t",
"ttf": "font/ttf",
"txt": "text/plain",
"vsd": "application/vnd.visio",
"wav": "audio/wav",
"weba": "audio/webm",
"webm": "video/webm",
"webp": "image/webp",
"woff": "font/woff",
"woff2": "font/woff2",
"xhtml": "application/xhtml+xml",
"xls": "application/vnd.ms-excel",
"xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"xml": "default.",
"xul": "application/vnd.mozilla.xul+xml",
"zip": "application/zip",
"3gp": "video",
"3g2": "video",
"7z": "application/x-7z-compressed",
}
const mimeTypeToExtentionTable: { [key: string]: string; } = {
"audio/aac" : "aac" ,
"application/x-abiword" : "abw" ,
"application/x-freearc" : "arc" ,
"image/avif" : "avif" ,
"video/x-msvideo" : "avi" ,
"application/vnd.amazon.ebook" : "azw" ,
"application/octet-stream" : "bin" ,
"image/bmp" : "bmp" ,
"application/x-bzip" : "bz" ,
"application/x-bzip2" : "bz2" ,
"application/x-cdf" : "cda" ,
"application/x-csh" : "csh" ,
"text/css" : "css" ,
"text/csv" : "csv" ,
"application/msword" : "doc" ,
"application/vnd.openxmlformats-officedocument.wordprocessingml.document" : "docx" ,
"application/vnd.ms-fontobject" : "eot" ,
"application/epub+zip" : "epub" ,
"application/gzip" : "gz" ,
"image/gif" : "gif" ,
"text/html" : "html" ,
"image/vnd.microsoft.icon" : "ico" ,
"text/calendar" : "ics" ,
"application/java-archive" : "jar" ,
"image/jpeg" : "jpeg" ,
"image/jpg" : "jpg" ,
"9239)" : "js" ,
"application/json" : "json" ,
"application/ld+json" : "jsonld" ,
"audio/x-midi" : "mid" ,
"text/javascript" : "mjs" ,
"audio/mpeg" : "mp3" ,
"video/mp4" : "mp4" ,
"video/mpeg" : "mpeg" ,
"application/vnd.apple.installer+xml" : "mpkg" ,
"application/vnd.ms-outlook" : "msg" ,
"application/vnd.oasis.opendocument.presentation" : "odp" ,
"application/vnd.oasis.opendocument.spreadsheet" : "ods" ,
"application/vnd.oasis.opendocument.text" : "odt" ,
"audio/ogg" : "oga" ,
"video/ogg" : "ogv" ,
"application/ogg" : "ogx" ,
"audio/opus" : "opus" ,
"font/otf" : "otf" ,
"image/png" : "png" ,
"application/pdf" : "pdf" ,
"application/x-httpd-php" : "php" ,
"application/vnd.ms-powerpoint" : "ppt" ,
"application/vnd.openxmlformats-officedocument.presentationml.presentation" : "pptx" ,
"application/vnd.rar" : "rar" ,
"application/rtf" : "rtf" ,
"application/x-sh" : "sh" ,
"image/svg+xml" : "svg" ,
"application/x-tar" : "tar" ,
"image/tiff" : "tif" ,
"video/mp2t" : "ts" ,
"font/ttf" : "ttf" ,
"text/plain" : "txt" ,
"application/vnd.visio" : "vsd" ,
"audio/wav" : "wav" ,
"audio/webm" : "weba" ,
"video/webm" : "webm" ,
"image/webp" : "webp" ,
"font/woff" : "woff" ,
"font/woff2" : "woff2" ,
"application/xhtml+xml" : "xhtml" ,
"application/vnd.ms-excel" : "xls" ,
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" : "xlsx" ,
"default." : "xml" ,
"application/vnd.mozilla.xul+xml" : "xul" ,
"application/zip" : "zip" ,
"video" : "3gp" ,
"application/x-7z-compressed" : "7z" ,
}
