Files
liberama/server/core/Reader/BookConverter/ConvertDocX.js

51 lines
1.6 KiB
JavaScript

const fs = require('fs-extra');
const path = require('path');
const ConvertBase = require('./ConvertBase');
class ConvertDocX extends ConvertBase {
async check(data, opts) {
const {inputFiles} = opts;
if (this.config.useExternalBookConverter &&
inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'zip') {
//ищем файл '[Content_Types].xml'
for (const file of inputFiles.files) {
if (file.path == '[Content_Types].xml') {
const contentTypes = await fs.readFile(`${inputFiles.filesDir}/${file.path}`, 'utf8');
return contentTypes.indexOf('/word/document.xml') >= 0;
}
}
}
return false;
}
async convert(docxFile, fb2File, callback, abort) {
let perc = 0;
await this.execConverter(this.calibrePath, [docxFile, fb2File, '-vv'], () => {
perc = (perc < 100 ? perc + 1 : 50);
callback(perc);
}, abort);
return await fs.readFile(fb2File);
}
async run(data, opts) {
if (!(await this.check(data, opts)))
return false;
await this.checkExternalConverterPresent();
const {inputFiles, callback, abort} = opts;
const outFile = `${inputFiles.filesDir}/${path.basename(inputFiles.sourceFile)}`;
const docxFile = `${outFile}.docx`;
const fb2File = `${outFile}.fb2`;
await fs.copy(inputFiles.sourceFile, docxFile);
return await this.convert(docxFile, fb2File, callback, abort);
}
}
module.exports = ConvertDocX;