update WtrlabParser

Add Metadata subject and description

Author: gamebeaker

plugin/js/parsers/WtrlabParser.js

@@ -49,6 +49,19 @@ class WtrlabParser extends Parser{
         return util.getFirstImgSrc(dom, ".image-wrap");
     }
 
+    extractSubject(dom) {
+        let tagsgenre = [...dom.querySelectorAll("span.genre")].map(a => a.textContent);
+        let tagstags = [...dom.querySelectorAll(".tags a.tag")].map(a => a.textContent.replace(",", ""));
+        let tags = tagsgenre;
+        tags = tags.concat(tagstags);
+        return tags.map(e => e.trim()).join(", ");
+    }
+
+    extractDescription(dom) {
+        let desc = dom.querySelector("span.description");
+        return desc.textContent.trim();
+    }
+
     getInformationEpubItemChildNodes(dom) {
         return [...dom.querySelectorAll("div#contents-tabpane-about")];
     }