Добавлен конвертер для Epub

server/core/BookConverter/ConvertEpub.js

@@ -0,0 +1,49 @@
+const fs = require('fs-extra');
+const path = require('path');
+
+const ConvertBase = require('./ConvertBase');
+
+class ConvertEpub extends ConvertBase {
+    async check(data, opts) {
+        const {inputFiles} = opts;
+
+        if (this.config.useExternalBookConverter && 
+            inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'zip') {
+            //ищем файл 'mimetype'
+            for (const file of inputFiles.files) {
+                if (file == 'mimetype') {
+                    const mt = await fs.readFile(`${inputFiles.filesDir}/${file}`);
+                    if (mt.toString().trim() == 'application/epub+zip')
+                        return true;
+                    break;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    async run(data, opts) {
+        if (!await this.check(data, opts))
+            return false;
+        await this.checkExternalConverterPresent();
+
+        const {inputFiles, callback} = opts;
+
+        const outFile = `${inputFiles.filesDir}/${path.basename(inputFiles.sourceFile)}`;
+        const epubFile = `${outFile}.epub`;
+        const fb2File = `${outFile}.fb2`;
+
+        await fs.copy(inputFiles.sourceFile, epubFile);
+
+        let perc = 0;
+        await this.execConverter(this.calibrePath, [epubFile, fb2File], () => {
+            perc = (perc < 100 ? perc + 5 : 50);
+            callback(perc);
+        });
+
+        return await fs.readFile(fb2File);
+    }
+}
+
+module.exports = ConvertEpub;

server/core/BookConverter/index.js

@@ -3,6 +3,7 @@ const FileDetector = require('../FileDetector');
 
 //порядок важен
 const convertClassFactory = [
+    require('./ConvertEpub'),
     require('./ConvertPdf'),
     require('./ConvertRtf'),
     require('./ConvertDocX'),