319 lines
12 KiB
TypeScript
319 lines
12 KiB
TypeScript
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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const qrcode = require("yaqrcode")
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const axios = require("axios")
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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(template: Buffer, 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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addImageByUrl: async (imageUrl: string, width: number, height: number, caption: string) => {
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const response = await axios.get(imageUrl, { responseType: "arraybuffer" })
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const imageData = Buffer.from(response.data).toString("base64") // Convert image to base64
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const ext = ".png" // Assuming PNG format; adjust based on actual image type
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return {
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width,
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height,
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data: imageData,
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extension: ext,
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caption,
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}
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},
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},
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})
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if (outputMediaType === "docx") 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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* parameters:
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* - name: folder
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* in: query
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* description: ชื่อโฟลเดอร์
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* required: false
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* schema:
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* type: string
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* example: test
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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"]) 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 template = null
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// Save the converted file to disk
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if (req.query["folder"]) {
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template = await fs.promises.readFile(`./${TEMPLATE_FOLDER_NAME}/${req.query["folder"]}/${req.body.template}.docx`)
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} else {
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template = await fs.promises.readFile(`./${TEMPLATE_FOLDER_NAME}/${req.body.template}.docx`)
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}
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let buffer = await docxTemplateX(template, 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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/** javascript-obfuscator:disable
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* @swagger
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* /api/v1/report-template/docx/upload:
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* post:
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* summary: อัพไฟล์ docx
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* tags: [report-template]
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* parameters:
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* - name: report_name
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* in: query
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* description: ชื่อไฟล์
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* required: true
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* schema:
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* type: string
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* example: report
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* - name: folder
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* in: query
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* description: ชื่อโฟลเดอร์
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* required: false
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* schema:
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* type: string
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* example: test
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* requestBody:
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* required: true
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* content:
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* application/octet-stream:
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* schema:
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* type: string
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* format: binary
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* responses:
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* 201:
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* description: file was converted.
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* content:
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* application/octet-stream:
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* schema:
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* type: string
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* format: binary
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* application/msword:
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* schema:
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* type: string
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* format: binary
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* 400:
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* description: Invalid format
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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("/upload", async function (req, res) {
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try {
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if (!req.headers["content-type"] || !req.headers["accept"] || !req.query["report_name"] || req.headers["content-type"] !== "application/octet-stream") {
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res.statusCode = 400
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res.statusMessage = "Require header: content-type(application/octet-stream) accept"
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res.end(res.statusMessage)
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console.log(req.headers["content-type"], req.headers["accept"], req.query["report_name"])
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return
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}
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// Determine the output media type and report name from headers
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let outputMediaType = mimeToExtension(req.headers["accept"])
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let reportName = req.query["report_name"]
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console.log("convert output: " + outputMediaType)
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// Save the converted file to disk
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if (req.query["folder"]) {
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// Ensure the template folder exists
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await fs.promises.mkdir(`TEMPLATE_FOLDER_NAME/${req.query["folder"]}`, { recursive: true })
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await fs.promises.writeFile(`./${TEMPLATE_FOLDER_NAME}/${req.query["folder"]}/${reportName}.docx`, req.body)
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} else {
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// Ensure the template folder exists
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await fs.promises.mkdir(TEMPLATE_FOLDER_NAME, { recursive: true })
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await fs.promises.writeFile(`./${TEMPLATE_FOLDER_NAME}/${reportName}.docx`, req.body)
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}
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// Send a response to the client
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res.statusCode = 201
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res.json({ message: "File converted and saved successfully" })
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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 convert with soffice:`, 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/download:
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* post:
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* summary: โหลดไฟล์ docx
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* tags: [report-template]
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* parameters:
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* - name: folder
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* in: query
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* description: ชื่อโฟลเดอร์
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* required: false
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* schema:
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* type: string
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* example: test
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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: docx-report
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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/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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* 500:
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* description: Server error
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*
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*/
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docxTemplateRoute.post("/download", async function (req, res) {
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try {
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if (!req.headers["content-type"] || !req.headers["accept"] || !req.body.template) 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 = null
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if (req.query["folder"]) {
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buffer = await fs.promises.readFile(`./${TEMPLATE_FOLDER_NAME}/${req.query["folder"]}/${req.body.template}.docx`)
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} else {
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buffer = await fs.promises.readFile(`./${TEMPLATE_FOLDER_NAME}/${req.body.template}.docx`)
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}
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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=${req.body.template}.${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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