General improvements

generate.js

@@ -3,6 +3,8 @@ const tempFile = require("tempfile");
 const nodePandoc = require("node-pandoc-promise");
 const fs = require("fs");
 const { DownloaderHelper } = require("node-downloader-helper");
+const path = require('path');
+const slugify = require('slugify');
 
 const getArticle = async url => {
   try {
@@ -18,11 +20,16 @@ module.exports = (url, epubPath, title, coverURL, language="en-US") => {
 
     title = title ? title : res.title;
 
+    epubPath = epubPath ? epubPath : slugify(path.basename(url)) + '.epub';
+
     let xml = `<dc:title id="epub-title-1">${title}</dc:title>
 <dc:date>${res.published}</dc:date>
 <dc:language>${language}</dc:language>
 <dc:identifier>${url}</dc:identifier>
-<dc:creator id="epub-creator-1" opf:role="aut">${res.author}</dc:creator>`;
+<dc:source>${url}</dc:source>
+<dc:description>${res.description}</dc:description>
+<dc:publisher>${res.source}</dc:publisher>
+<dc:creator opf:role="aut">${res.author}</dc:creator>`;
 
     let html = tempFile(".html");
     let metadata = tempFile(".xml");
@@ -32,7 +39,8 @@ module.exports = (url, epubPath, title, coverURL, language="en-US") => {
     const imageUrl = coverURL ? coverURL : res.image;
 
     const dl = new DownloaderHelper(imageUrl, "/tmp", {
-      fileName: "epub-to-image.jpg"
+      fileName: "epub-to-image.jpg",
+      override: true
     });
 
     dl.start();

index.js

@@ -17,7 +17,7 @@ require("yargs") // eslint-disable-line
                 .option("output", {
                     alias: "o",
                     type: "string",
-                    default: "url-to-epub.epub",
+                    default: false,
                     description: "Output file to save EPUB"
                 })
                 .option("title", {

package-lock.json

@@ -947,6 +947,11 @@
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
+    "slugify": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/slugify/-/slugify-1.3.6.tgz",
+      "integrity": "sha512-wA9XS475ZmGNlEnYYLPReSfuz/c3VQsEMoU43mi6OnKMCdbnFXd4/Yg7J0lBv8jkPolacMpOrWEaoYxuE1+hoQ=="
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",

package.json

@@ -17,6 +17,7 @@
     "article-parser": "^4.1.1",
     "node-downloader-helper": "^1.0.11",
     "node-pandoc-promise": "0.0.6",
+    "slugify": "^1.3.6",
     "tempfile": "^3.0.0",
     "yargs": "^15.1.0"
   }