Downloads book content.
This commit is contained in:
Vahagn Khachatryan
101
src/sidebar.js
101
src/sidebar.js
@@ -77,7 +77,7 @@ class Book{
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console.info(`Downloading book info for ${this.book_id}`);
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let url = `https://www.safaribooksonline.com/api/v1/book/${this.book_id}/`;
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return this.downloadJson(url)
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.then((book_info)=>{
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.then((book_info) => {
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this.book_info = book_info;
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}, onError);
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}
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@@ -86,7 +86,7 @@ class Book{
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function helper(book, url){
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console.info(`Downloading chapter list ${url}`);
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return book.downloadJson(url)
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.then((chapter_list)=>{
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.then((chapter_list) => {
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book.chapter_list
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= book.chapter_list.concat(chapter_list.results);
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@@ -105,21 +105,18 @@ class Book{
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downloadMetaContent(){
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let downloads = []
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this.insertBookFile({
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url: this.book_info.cover,
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file: "cover.img",
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context: null,
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mime: null
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})
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this.insertBookFile(
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this.book_info.cover,
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"cover.img")
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downloads.push(
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this.downloadJson(this.book_info.toc)
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.then((json)=>{
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.then((json) => {
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this.book_toc=json
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}))
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downloads.push(
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this.downloadJson(this.book_info.flat_toc)
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.then((json)=>{
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.then((json) => {
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this.book_flattoc=json
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}))
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downloads.push(
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@@ -135,41 +132,49 @@ class Book{
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extractChapterAssets(json){
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if (!json.asset_base_url
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|| !json.content){
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if (!json.asset_base_url || !json.content){
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throw "Missing data."
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}
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// Html
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this.insertBookFile({
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url: json.content,
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file: json.full_path,
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context: null,
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mime: null,
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content: null,
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})
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this.insertBookFile(
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json.content,
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json.full_path)
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// List of images.
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for (let idx in json.images){
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this.insertBookFile({
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url: json.asset_base_url + json.images[idx],
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file: json.images[idx],
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context: null,
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mime: null
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})
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this.insertBookFile(
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json.asset_base_url + json.images[idx],
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json.images[idx])
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}
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// List of stylesheets.
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for (let idx in json.stylesheets){
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this.insertBookFile({
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url: json.stylesheets[idx].original_url,
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file: json.stylesheets[idx].full_path,
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context: null,
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mime: null
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})
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this.insertBookFile(
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json.stylesheets[idx].original_url,
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json.stylesheets[idx].full_path)
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}
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}
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insertBookFile(obj){
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this.book_files[obj.url] = obj
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downloadContent(){
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return Promise.map(Object.keys(this.book_files), (url) => {
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return this.downloadResource(url)
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.then((res) => {
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if (res.ok){
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console.log(res.headers.get('Content-Type'))
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this.book_files[url].headers = res.headers
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this.book_files[url].mime = res.headers.get('Content-Type')
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this.book_files[url].body = res.blob()
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}
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})
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},{concurrency: 1})
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}
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insertBookFile(url, filename){
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this.book_files[url] = {
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url: url,
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filename: filename,
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headers: null,
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mime: null,
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body: null
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}
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}
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}
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@@ -182,7 +187,6 @@ function renderInfo(book){
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function renderChapterList(book){
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// Add chapters to UI
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for (let chapter_idx in book.chapter_list) {
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console.log(book.chapter_list[chapter_idx])
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let chapter = book.chapter_list[chapter_idx];
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var chapter_dom = $("<li></li>")
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.addClass("list-group-item")
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@@ -194,15 +198,11 @@ function renderChapterList(book){
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}
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function createEpub(book, epub){
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for (let url in book.raw_book){
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let name = "meta/"+book.raw_book[url].url.replace(/[^a-z0-9]/gi, '_').toLowerCase()
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epub.addFile(name, book.raw_book[url].clone().blob())
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}
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// epub.addFile("book_info.json", JSON.stringify(book.book_info))
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// epub.addFile("book_files.json", JSON.stringify(book.book_files))
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// epub.addFile("book_toc.json", JSON.stringify(book.book_toc))
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// epub.addFile("book_flattoc.json", JSON.stringify(book.book_flattoc))
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epub.addFile("book.json", JSON.stringify(book, null, '\t'))
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for (let url in book.book_files){
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file = book.book_files[url]
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epub.addFile(file.filename, file.body)
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}
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}
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function onDownloadBookClicked(){
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@@ -218,15 +218,18 @@ function onDownloadBookClicked(){
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book = new Book(book_id);
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book.downloadBookInfo()
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.then(() => { renderInfo(book); })
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.then(() => { return book.downloadChapterList(); })
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.then(() => { return renderChapterList(book); })
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// .then(() => { return book.downloadChapterList(); })
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// .then(() => { return renderChapterList(book); })
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.then(() => { return book.downloadMetaContent(); })
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// .then(() => { return book.downloadContent(); })
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.then(() => { return book.downloadContent(); })
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.then(() => { return createEpub(book, epub); })
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.then(() => { return epub.generateAsync(); })
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.then((file) => {
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let filename = "books/" + "test" + ".zip"
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// book.filename.replace(/[^a-z0-9]/gi, '_').toLowerCase()
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let title = book.book_info.title
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let filename = "books/"
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+ title.replace(/[^a-z0-9]/gi, '_').toLowerCase()
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+ ".zip"
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console.log(`Zip file name ${filename}`)
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let url = window.URL.createObjectURL(file)
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browser.downloads.download({ "filename" : filename, url : url})
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})
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@@ -248,6 +251,6 @@ document.addEventListener('DOMContentLoaded', function() {
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$('#deselect-all-button').show()
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$('#download-button').show()
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$('#download-section').hide();
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$('#download-section').hide();
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// let bookInfo = new BookInfo();
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})
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