added support for monolith

lib/api/preservationScheme/handleArchivePreview.ts

@@ -0,0 +1,56 @@
+import { Collection, Link, User } from "@prisma/client";
+import { Page } from "playwright";
+import generatePreview from "../generatePreview";
+import createFile from "../storage/createFile";
+import { prisma } from "../db";
+
+type LinksAndCollectionAndOwner = Link & {
+  collection: Collection & {
+    owner: User;
+  };
+};
+
+const handleArchivePreview = async (
+  link: LinksAndCollectionAndOwner,
+  page: Page
+) => {
+  const ogImageUrl = await page.evaluate(() => {
+    const metaTag = document.querySelector('meta[property="og:image"]');
+    return metaTag ? (metaTag as any).content : null;
+  });
+
+  if (ogImageUrl) {
+    console.log("Found og:image URL:", ogImageUrl);
+
+    // Download the image
+    const imageResponse = await page.goto(ogImageUrl);
+
+    // Check if imageResponse is not null
+    if (imageResponse && !link.preview?.startsWith("archive")) {
+      const buffer = await imageResponse.body();
+      generatePreview(buffer, link.collectionId, link.id);
+    }
+
+    await page.goBack();
+  } else if (!link.preview?.startsWith("archive")) {
+    console.log("No og:image found");
+    await page
+      .screenshot({ type: "jpeg", quality: 20 })
+      .then((screenshot) => {
+        return createFile({
+          data: screenshot,
+          filePath: `archives/preview/${link.collectionId}/${link.id}.jpeg`,
+        });
+      })
+      .then(() => {
+        return prisma.link.update({
+          where: { id: link.id },
+          data: {
+            preview: `archives/preview/${link.collectionId}/${link.id}.jpeg`,
+          },
+        });
+      });
+  }
+};
+
+export default handleArchivePreview;