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pdfGenerator.js
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pdfGenerator.js
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const latex = require('node-latex')
const fs = require('fs')
const { app } = require('electron')
const path = require('path')
const Readable = require('stream').Readable
const getLatex = require('../../main/pdfGenerator/templates/template1')
// Handler for get pdf request
const pdfGeneratorHandler = async (event, args) => {
console.log(`Message received at main process: Latex params with id ${args.id}`)
const latexString = getLatex(args)
const pdf = await latex(latexString)
// save pdf file
try {
const output = fs.createWriteStream(
path.join(app.getPath("userData"), 'output_files/pdf_files', `output${args.id}.pdf`)
)
pdf.pipe(output)
} catch (err) {
throw new Error(err)
}
// save tex file
try {
const input = fs.createWriteStream(
path.join(app.getPath("userData"), 'output_files/tex_files', `input${args.id}.tex`)
)
Readable.from(latexString).pipe(input)
} catch (err) {
throw new Error(err)
}
return new Promise((resolve, reject) => {
pdf.on('error', (err) => reject(err))
pdf.on('finish', resolve(`atom://${app.getPath("userData")}\\input${args.id}.pdf`))
})
}
module.exports = pdfGeneratorHandler