153 lines
5.9 KiB
TypeScript
153 lines
5.9 KiB
TypeScript
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import express from 'express'
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export const docxTemplateRoute = express.Router();
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import {mimeToExtension,templateData} from './report-template'
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import fs from 'fs'
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import { createReport } from 'docx-templates';
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import qrcode from 'yaqrcode'
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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/docx"
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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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* You have to handle exception throw by function
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* template keep in folder templates
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* @param {String} base base path of caller relate to template-docx foler (no trail slash)
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* @param {templateData} tdata Template Information in JSON format
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* @param {String} outputMediaType output extension
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* @return {Promise<Uint8Array>} output buffer after apply template.
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*/
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export async function docxTemplateX(base: string=".", tdata: templateData, outputMediaType: string="docx"): Promise<Uint8Array> {
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try {
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let template = await fs.promises.readFile(`${base}/${TEMPLATE_FOLDER_NAME}/${tdata.template}.docx`)
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const buffer = await createReport({
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template,
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data: tdata.data,
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additionalJsContext: {
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qrCode: (contents: string, caption: string, size: number, width: number, height: number) => {
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const dataUrl = qrcode(contents, { size: size });
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const data = dataUrl.slice('data:image/gif;base64,'.length);
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return { width, height, data, extension: '.gif', caption };
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},
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}
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});
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if (outputMediaType === "docx")
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return buffer
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const libreOfficeFileConverter = new LibreOfficeFileConverter({
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childProcessOptions: {
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timeout: 60 * 1000,
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},
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});
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const lbuffer = await libreOfficeFileConverter.convertBuffer(Buffer.from(buffer), outputMediaType);
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return lbuffer
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} catch (e) {
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throw (e)
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}
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}
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/** javascript-obfuscator:disable
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* @swagger
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* /api/v1/report-template/docx:
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* get:
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* summary: แสดงรายการ template ที่มีในโฟลเดอร์ templates
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* tags: [report-template]
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* responses:
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* 200:
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* description: array of template
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* content:
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* applicatin/json:
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* schema:
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* type: array
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* items:
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* type: string
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* example: ["hello"]
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* 500:
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* description: Server error
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*/
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docxTemplateRoute.get("/", async function (req, res) {
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try {
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const fileList = await fs.promises.readdir(`./${TEMPLATE_FOLDER_NAME}`)
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const templateList = fileList.map((f) => f.split('.docx')[0])
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res.send(templateList)
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} catch (ex) {
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res.statusCode = 500;
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res.statusMessage = 'Internal Server Error';
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res.end(res.statusMessage);
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console.error('Error during get template list: ', ex);
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}
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})
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/** javascript-obfuscator:disable
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* @swagger
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* /api/v1/report-template/docx:
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* post:
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* summary: สร้างเอกสารโดยใช้ template จากไฟล์ docx จะแทนค่าตัวแปรในเอกสาร หรือจะแปลงเป็นฟอร์แม็ตอื่นได้ด้วยรองรับ docx pdf odt, ค่า template เป็นชื่อของ template, reportName เป็นชื่อไฟล์ที่ต้องการ
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* tags: [report-template]
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* requestBody:
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* required: true
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* content:
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* application/json:
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* schema:
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* $ref: '#/components/schemas/templateData'
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* example:
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* template: hello
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* reportName: docx-report
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* data: {"docNo":"๑๒๓๔๕","me": "กระผม","prefix": "นาย","name": "สรวิชญ์","surname": "พลสิทธิ์","position": "Chief Technology Officer","org": {"type": "บริษัท","name": "เฟรปเป้ที","url": "https://frappet.com"},"employees": [{"name": "ภาวิชญ์","surname": "พลสิทธิ์"},{"name": "วิชญาภา","surname": "พลสิทธิ์"}]}
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* responses:
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* 201:
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* description: เอกสารถูกสร้างขึ้น
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* content:
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* application/vnd.openxmlformats-officedocument.wordprocessingml.document:
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* schema:
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* type: string
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* format: binary
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* application/pdf:
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* schema:
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* type: string
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* format: binary
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* application/vnd.oasis.opendocument.text:
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* schema:
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* type: string
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* format: binary
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* image/png:
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* schema:
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* type: string
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* format: binary
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* image/jpeg:
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* schema:
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* type: string
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* format: binary
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* 500:
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* description: Server error
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*
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*/
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docxTemplateRoute.post("/", async function (req, res) {
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try {
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if (!req.headers['content-type'] || !req.headers['accept'])
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throw new Error("Require header content-type, accept")
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let inputType = mimeToExtension(req.headers['content-type']);
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let outputMediaType = mimeToExtension(req.headers['accept']);
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console.log('content-type: ', inputType);
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console.log('accept: ', outputMediaType);
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let buffer = await docxTemplateX('.', req.body, outputMediaType)
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res.statusCode = 201;
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res.setHeader('Content-Type', req.headers['accept']);
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res.setHeader('Content-Disposition', `attachment;filename=${req.body.reportName}.${outputMediaType}`);
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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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res.statusCode = 500;
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res.statusMessage = 'Internal Server Error during get docx template list';
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res.end(res.statusMessage);
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console.error('Error during apply template: ', ex);
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}
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})
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