API_REPORT=report-1.0.3
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DESKTOP-2S5P7D1\Windows 10
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commit
abd3b28a90
1 changed files with 46 additions and 49 deletions
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@ -3,19 +3,19 @@ export const htmlTemplateRoute = express.Router()
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import { mimeToExtension, templateOption } from "./report-template"
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// import fs from "fs"
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//import { chromium } from 'playwright'
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import puppeteer,{PDFOptions} from 'puppeteer'
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import Handlebars from 'handlebars'
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import puppeteer, { PDFOptions } from "puppeteer"
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import Handlebars from "handlebars"
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import e from "express"
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//import { createReport } from "docx-templates"
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// แก้ package.json ของ LibreOfficeFileConverter
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// https://github.com/microsoft/TypeScript/issues/52363#issuecomment-1659179354
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//import { LibreOfficeFileConverter } from "libreoffice-file-converter"
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const TEMPLATE_FOLDER_NAME = "templates/html"
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const width_px = 1200; //TODO read from htmlOption
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const width_px = 1200 //TODO read from htmlOption
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/**
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* docxTemplate Uses docx-template to convert input data and template to output buffer.
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* SPA and lazy load page may not fully render(eg. pantip.com).
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* SPA and lazy load page may not fully render(eg. pantip.com).
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* You have to handle exception throw by function
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* handlebars template support only content from Buffer
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* @param {Buffer|String} t template in buffer format or url to web page
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@ -25,32 +25,31 @@ const width_px = 1200; //TODO read from htmlOption
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*/
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export async function htmlTemplateX(t: Buffer | String, tdata: templateOption, outputMediaType: string = "pdf"): Promise<Uint8Array> {
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try {
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if (!["pdf", "jpeg", "png"].find((e) => e === outputMediaType)) {
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if (!["pdf", "jpeg", "png"].find(e => e === outputMediaType)) {
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throw "FormatError"
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}
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const browser = await puppeteer.launch({ headless: true,args: ['--no-sandbox'] });
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const page = await browser.newPage();
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page.setDefaultNavigationTimeout(120000);
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const browser = await puppeteer.launch({ headless: true, args: ["--no-sandbox"] })
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const page = await browser.newPage()
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// page.setDefaultNavigationTimeout(120000);
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await page.setViewport({
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width: width_px,
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height: 800,
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deviceScaleFactor: 2,
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isMobile: false
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});
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if (typeof t === 'string') {
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await page.goto(t, { waitUntil: 'networkidle0' });
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isMobile: false,
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})
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if (typeof t === "string") {
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await page.goto(t, { waitUntil: "networkidle0" })
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} else {
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if (tdata.data) {
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const template = Handlebars.compile(t.toString());
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const html = template(tdata.data);
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await page.setContent(html);
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const template = Handlebars.compile(t.toString())
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const html = template(tdata.data)
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await page.setContent(html)
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} else {
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await page.setContent(t.toString())
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}
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}
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/*
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/*
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// try to load whole page
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let x = await page.evaluate(async (tdata) => {
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const scrollableSection =
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@ -74,30 +73,29 @@ export async function htmlTemplateX(t: Buffer | String, tdata: templateOption, o
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*/
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//find real page height
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const totalHeight = await page.evaluate(async (tdata) => {
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const totalHeight = await page.evaluate(async tdata => {
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let scrollableSection =
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(tdata.htmlOption?.querySelector &&
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document.querySelector(tdata.htmlOption.querySelector) && document.querySelector(tdata.htmlOption.querySelector)) ?
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document.querySelector(tdata.htmlOption.querySelector) : null
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tdata.htmlOption?.querySelector && document.querySelector(tdata.htmlOption.querySelector) && document.querySelector(tdata.htmlOption.querySelector)
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? document.querySelector(tdata.htmlOption.querySelector)
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: null
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const childElement = scrollableSection? scrollableSection: document.body
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if(scrollableSection ==null)
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scrollableSection = document.body
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//const childElement = scrollableSection.firstElementChild;
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let scrollPosition = 0;
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let viewportHeight = window.innerHeight;
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while (scrollPosition < childElement.scrollHeight) {
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scrollableSection.scrollBy(0, viewportHeight);
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await new Promise(resolve => setTimeout(resolve, 500));
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scrollPosition += viewportHeight;
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}
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return childElement.scrollHeight
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}, tdata);
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const childElement = scrollableSection ? scrollableSection : document.body
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if (scrollableSection == null) scrollableSection = document.body
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//const childElement = scrollableSection.firstElementChild;
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let scrollPosition = 0
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let viewportHeight = window.innerHeight
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while (scrollPosition < childElement.scrollHeight) {
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scrollableSection.scrollBy(0, viewportHeight)
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// await new Promise(resolve => setTimeout(resolve, 500));
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scrollPosition += viewportHeight
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}
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return childElement.scrollHeight
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}, tdata)
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if (!totalHeight) {
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throw new Error(`Unable to determine the page height ${totalHeight}. The selector may not correct or no body tag`);
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throw new Error(`Unable to determine the page height ${totalHeight}. The selector may not correct or no body tag`)
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} else {
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console.log("Page height adjusted to:", totalHeight);
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console.log("Page height adjusted to:", totalHeight)
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}
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console.log("set viewport ")
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@ -105,22 +103,22 @@ export async function htmlTemplateX(t: Buffer | String, tdata: templateOption, o
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width: width_px,
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height: totalHeight,
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deviceScaleFactor: 2,
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isMobile: false
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});
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isMobile: false,
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})
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///// output to photo end here
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if (outputMediaType === "png" || outputMediaType === "jpeg") {
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const photoBuffer = await page.screenshot({
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const photoBuffer = await page.screenshot({
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// path: 'url_pup.png',
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fullPage: true,
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type: outputMediaType // 'webp'
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type: outputMediaType, // 'webp'
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})
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await browser.close();
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await browser.close()
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return photoBuffer
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}
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///// output to PDF
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//TODO overide option from htmlTemplateOption
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let pdfOption:PDFOptions = {
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let pdfOption: PDFOptions = {
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// path: './url_prop.pdf',
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// format:"A4",
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width: width_px,
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@ -128,10 +126,10 @@ export async function htmlTemplateX(t: Buffer | String, tdata: templateOption, o
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printBackground: true,
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scale: 1,
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displayHeaderFooter: false,
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margin: { top: 5, right: 5, bottom: 5, left: 5 }
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margin: { top: 5, right: 5, bottom: 5, left: 5 },
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}
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const buffer = await page.pdf(pdfOption);
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await browser.close();
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const buffer = await page.pdf(pdfOption)
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await browser.close()
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return buffer
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} catch (e) {
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//console.log(e)
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@ -180,7 +178,7 @@ export async function htmlTemplateX(t: Buffer | String, tdata: templateOption, o
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htmlTemplateRoute.post("/", async function (req, res) {
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try {
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if (!req.headers["content-type"] || !req.headers["accept"]) throw new Error("Require header content-type, accept")
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let inputType = mimeToExtension(req.headers["content-type"])// application/json
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let inputType = mimeToExtension(req.headers["content-type"]) // application/json
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let outputMediaType = mimeToExtension(req.headers["accept"])
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let buffer = await htmlTemplateX(req.body.template, req.body, outputMediaType)
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res.statusCode = 201
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@ -189,12 +187,12 @@ htmlTemplateRoute.post("/", async function (req, res) {
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res.setHeader("Content-Length", buffer.length)
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res.end(buffer)
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} catch (ex) {
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if(ex instanceof SyntaxError){
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if (ex instanceof SyntaxError) {
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res.statusCode = 400
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res.statusMessage = ex.message
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res.end(res.statusMessage)
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console.error("report-template/html: ", ex)
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}else{
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} else {
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res.statusCode = 500
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res.statusMessage = "Internal Server Error during POST report-template/html"
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res.end(res.statusMessage)
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@ -202,4 +200,3 @@ htmlTemplateRoute.post("/", async function (req, res) {
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}
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}
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})
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