hrms-report-template/libs/convert-libs.ts
2025-02-28 11:43:17 +07:00

124 lines
4 KiB
TypeScript

import express from "express"
export const convertTemplateRoute = express.Router()
import { mimeToExtension } from "./report-template"
import { LibreOfficeFileConverter } from "libreoffice-file-converter"
/** javascript-obfuscator:disable
* @swagger
* tags:
* name: office-convert
* description: ใช้แปลงไฟล์จากเอกสารที่ libreoffice แปลงได้ เช่น docx เป็น pdf
*/
/** javascript-obfuscator:disable
* @swagger
* /api/v1/report-template/convert:
* post:
* summary: แปลงฟอร์แม็ตเอกสารเช่นจาก docx เป็น pdf ให้ตั้งค่า Media type เป็นชนิดไฟล์ที่ต้องการ
* tags: [office-convert]
* parameters:
* - name: report-name
* in: header
* description: ชื่อไฟล์ที่ต้องการหลังแปลง
* required: true
* schema:
* type: string
* example: report
* requestBody:
* required: true
* content:
* application/octet-stream:
* schema:
* type: string
* format: binary
* responses:
* 201:
* description: file was converted.
* content:
* application/pdf:
* schema:
* type: string
* format: binary
* application/vnd.oasis.opendocument.text:
* schema:
* type: string
* format: binary
* application/vnd.openxmlformats-officedocument.wordprocessingml.document:
* schema:
* type: string
* format: binary
* application/msword:
* schema:
* type: string
* format: binary
* image/png:
* schema:
* type: string
* format: binary
* image/jpeg:
* schema:
* type: string
* format: binary
* 400:
* description: Invalid format
* 500:
* description: Server error
*
*/
convertTemplateRoute.post("/", async function (req, res) {
try {
if (
!req.headers["content-type"] ||
!req.headers["accept"] ||
!req.headers["report-name"] ||
req.headers["content-type"] !== "application/octet-stream"
) {
res.statusCode = 400
res.statusMessage =
"Require header: content-type(application/octet-stream) accept, report-name"
res.end(res.statusMessage)
console.log(
req.headers["content-type"],
req.headers["accept"],
req.headers["report-name"]
)
return
}
let outputMediaType = mimeToExtension(req.headers["accept"])
let reportName = req.headers["report-name"]
console.log("convert output: " + outputMediaType)
const libreOfficeFileConverter = new LibreOfficeFileConverter({
childProcessOptions: {
timeout: 60 * 1000,
},
})
//const buffer = await libreOfficeFileConverter.convertBuffer(req.body, outputMediaType);
const buffer = await libreOfficeFileConverter.convert({
buffer: Buffer.from(req.body),
format: outputMediaType,
input: "buffer",
output: "buffer",
})
res.statusCode = 201
res.setHeader("Content-Type", req.headers["accept"])
res.setHeader(
"Content-Disposition",
`attachment;filename=${reportName}.${outputMediaType}`
)
res.setHeader("Content-Length", buffer.length)
res.end(buffer)
} catch (ex) {
if (ex instanceof SyntaxError) {
res.statusCode = 400
res.statusMessage = ex.message
res.end(res.statusMessage)
console.error("report-template/convert: ", ex)
} else {
res.statusCode = 500
res.statusMessage =
"Internal Server Error during POST report-template/convert"
res.end(res.statusMessage)
console.error("report-template/html: ", ex)
}
}
})