hrms-report-template/libs/xlsx-template-lib.ts
2023-10-07 17:29:53 +07:00

134 lines
5.4 KiB
TypeScript

import express from 'express'
export const xlsxTemplateRoute = express.Router();
import {mimeToExtension,templateData} from './report-template'
import { ExcelTemplate } from 'xlsx-template-next'
import fs from 'fs'
import { LibreOfficeFileConverter } from 'libreoffice-file-converter';
const TEMPLATE_FOLDER_NAME = "templates/xlsx"
/**
* docxTemplate Uses docx-template to convert input data and template to output buffer.
* You have to handle exception throw by function
* template keep in folder templates
* @param {String} base base path of caller relate to template-docx foler (no trail slash)
* @param {templateData} tdata Template Information in JSON format
* @param {String} outputMediaType output extension
* @param {Number} tab tab page of spread sheet , default = 1
* @return {Promise<Uint8Array>} output buffer after apply template.
*/
export async function xlsxTemplateX(base: string=".", tdata: templateData, outputMediaType: string="xlsx",tab:number=1): Promise<Uint8Array> {
try {
const template = new ExcelTemplate();
let templateBuff = await fs.promises.readFile(`${base}/${TEMPLATE_FOLDER_NAME}/${tdata.template}.xlsx`)
await template.load(templateBuff);
await template.process(tab,tdata.data)
const buffer = await template.build({ type: 'uint8array' })
if (outputMediaType === "xlsx")
return buffer as Uint8Array
const libreOfficeFileConverter = new LibreOfficeFileConverter({
childProcessOptions: {
timeout: 60 * 1000,
},
});
const lbuffer = await libreOfficeFileConverter.convertBuffer(Buffer.from(buffer as Uint8Array), outputMediaType);
return lbuffer
} catch (e) {
throw (e)
}
}
/** javascript-obfuscator:disable
* @swagger
* /api/v1/report-template/xlsx:
* get:
* summary: แสดงรายการ xlsx template
* tags: [report-template]
* responses:
* 200:
* description: array of template
* content:
* applicatin/json:
* schema:
* type: array
* items:
* type: string
* example: ["hello"]
* 500:
* description: Server error
*/
xlsxTemplateRoute.get("/", async function (req, res) {
try {
const fileList = await fs.promises.readdir(`./${TEMPLATE_FOLDER_NAME}`)
const templateList = fileList.map((f) => f.split('.xlsx')[0])
res.send(templateList)
} catch (ex) {
res.statusCode = 500;
res.statusMessage = 'Internal Server Error during get xlsx template list';
res.end(res.statusMessage);
console.error('Error during get template list: ', ex);
}
})
/** javascript-obfuscator:disable
* @swagger
* /api/v1/report-template/xlsx:
* post:
* summary: สร้าองเอกสารจาก xlsx template แล้วส่งกลับมาเป็น xlsx pdf odt
* tags: [report-template]
* requestBody:
* required: true
* content:
* application/json:
* schema:
* $ref: '#/components/schemas/templateData'
* example:
* template: hello
* reportName: xlsx-report
* data: {"docNo": "๑๒๓๔๕","me": "กระผม","prefix": "นาย","name": "สรวิชญ์","surname": "พลสิทธิ์","position": "Chief Technology Officer","org": {"type": "บริษัท","name": "เฟรปเป้ที","url": "https://frappet.com"},"employees": [{"id":1,"name": "ภาวิชญ์","surname": "พลสิทธิ์","score":80},{"id":2,"name": "วิชญาภา","surname": "พลสิทธิ์","score":50},{"id":3,"name": "ฐิตาภา","surname": "พลสิทธิ์","score":90},{"id":4,"name": "สรวิชญ์ พลสิทธิ์","surname": "พลสิทธิ์","score":99}]}
* responses:
* 201:
* description: เอกสารถูกสร้างขึ้น created.
* content:
* application/vnd.openxmlformats-officedocument.wordprocessingml.document:
* schema:
* type: string
* format: binary
* application/pdf:
* schema:
* type: string
* format: binary
* application/vnd.oasis.opendocument.text:
* schema:
* type: string
* format: binary
* 500:
* description: Server error
*
*/
xlsxTemplateRoute.post("/", async function (req, res) {
try {
if (!req.headers['content-type'] || !req.headers['accept'])
throw new Error("Require header content-type, accept")
let inputType = mimeToExtension(req.headers['content-type']);
let outputMediaType = mimeToExtension(req.headers['accept']);
console.log('content-type: ', inputType);
console.log('accept: ', outputMediaType);
let buffer = await xlsxTemplateX(".",req.body,outputMediaType)
res.statusCode = 201;
res.setHeader('Content-Type', req.headers['accept']);
res.setHeader('Content-Disposition', `attachment;filename=${req.body.reportName}.${outputMediaType}`);
res.setHeader('Content-Length', buffer.length);
res.end(buffer);
} catch (ex) {
res.statusCode = 500;
res.statusMessage = 'Internal Server Error';
res.end(res.statusMessage);
console.error('Error during apply template: ', ex);
}
})