code improvements

lib/api/preservationScheme/archiveAsReadablility.ts

@@ -0,0 +1,44 @@
+import { Readability } from "@mozilla/readability";
+import { JSDOM } from "jsdom";
+import DOMPurify from "dompurify";
+import { prisma } from "../db";
+import createFile from "../storage/createFile";
+import { Link } from "@prisma/client";
+
+const archiveAsReadablility = async (content: string, link: Link) => {
+  const window = new JSDOM("").window;
+  const purify = DOMPurify(window);
+  const cleanedUpContent = purify.sanitize(content);
+  const dom = new JSDOM(cleanedUpContent, { url: link.url || "" });
+  const article = new Readability(dom.window.document).parse();
+  const articleText = article?.textContent
+    .replace(/ +(?= )/g, "") // strip out multiple spaces
+    .replace(/(\r\n|\n|\r)/gm, " "); // strip out line breaks
+  if (
+    articleText &&
+    articleText !== "" &&
+    !link.readable?.startsWith("archive")
+  ) {
+    const collectionId = (
+      await prisma.link.findUnique({
+        where: { id: link.id },
+        select: { collectionId: true },
+      })
+    )?.collectionId;
+
+    await createFile({
+      data: JSON.stringify(article),
+      filePath: `archives/${collectionId}/${link.id}_readability.json`,
+    });
+
+    await prisma.link.update({
+      where: { id: link.id },
+      data: {
+        readable: `archives/${collectionId}/${link.id}_readability.json`,
+        textContent: articleText,
+      },
+    });
+  }
+};
+
+export default archiveAsReadablility;