40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
const fs = require('fs-extra');
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const path = require('path');
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const ConvertPdf = require('./ConvertPdf');
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class ConvertRtf extends ConvertPdf {
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check(data, opts) {
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const {inputFiles} = opts;
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return this.config.useExternalBookConverter &&
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inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'djvu';
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}
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async run(data, opts) {
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if (!this.check(data, opts))
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return false;
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await this.checkExternalConverterPresent();
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const {inputFiles, callback, abort} = opts;
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const outFile = `${inputFiles.filesDir}/${path.basename(inputFiles.sourceFile)}`;
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const pdfFile = `${outFile}.pdf`;
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let perc = 0;
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await this.execConverter(this.ddjvuPath, ['-format=pdf', '-quality=85', '-verbose', inputFiles.sourceFile, pdfFile], () => {
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perc = (perc < 100 ? perc + 1 : 40);
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callback(perc);
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}, abort);
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const pdfFileSize = (await fs.stat(pdfFile)).size;
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if (pdfFileSize > 2*this.config.maxUploadFileSize) {
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throw new Error(`Файл для конвертирования слишком большой|FORLOG| ${pdfFileSize} > ${2*this.config.maxUploadFileSize}`);
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}
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return await super.run(null, Object.assign({}, opts, {pdfFile, skipCheck: true}));
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}
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}
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module.exports = ConvertRtf;
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