From 27b3f9d17958d76ced902787e387c15db720af0a Mon Sep 17 00:00:00 2001
From: Patrick Leonard <patrickleonardiii@gmail.com>
Date: Sun, 29 Dec 2024 04:25:56 -1000
Subject: feat: add Linkwarden importer (#786)

* added in Linkwarden import

* simpler parsing

---------

Co-authored-by: Mohamed Bassem <me@mbassem.com>
---
 apps/web/components/settings/ImportExport.tsx | 17 ++++++++++++-
 apps/web/lib/i18n/locales/en/translation.json |  1 +
 apps/web/lib/importBookmarkParser.ts          | 36 +++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 1 deletion(-)

(limited to 'apps')

diff --git a/apps/web/components/settings/ImportExport.tsx b/apps/web/components/settings/ImportExport.tsx
index 34e069da..e38f629a 100644
--- a/apps/web/components/settings/ImportExport.tsx
+++ b/apps/web/components/settings/ImportExport.tsx
@@ -11,6 +11,7 @@ import { useTranslation } from "@/lib/i18n/client";
 import {
   ParsedBookmark,
   parseHoarderBookmarkFile,
+  parseLinkwardenBookmarkFile,
   parseNetscapeBookmarkFile,
   parseOmnivoreBookmarkFile,
   parsePocketBookmarkFile,
@@ -121,7 +122,7 @@ export function ImportExportRow() {
       source,
     }: {
       file: File;
-      source: "html" | "pocket" | "omnivore" | "hoarder";
+      source: "html" | "pocket" | "omnivore" | "hoarder" | "linkwarden";
     }) => {
       if (source === "html") {
         return await parseNetscapeBookmarkFile(file);
@@ -131,6 +132,8 @@ export function ImportExportRow() {
         return await parseHoarderBookmarkFile(file);
       } else if (source === "omnivore") {
         return await parseOmnivoreBookmarkFile(file);
+      } else if (source === "linkwarden") {
+        return await parseLinkwardenBookmarkFile(file);
       } else {
         throw new Error("Unknown source");
       }
@@ -230,6 +233,18 @@ export function ImportExportRow() {
           <Upload />
           <p>{t("settings.import.import_bookmarks_from_omnivore_export")}</p>
         </FilePickerButton>
+        <FilePickerButton
+          loading={false}
+          accept=".json"
+          multiple={false}
+          className="flex items-center gap-2"
+          onFileSelect={(file) =>
+            runUploadBookmarkFile({ file, source: "linkwarden" })
+          }
+        >
+          <Upload />
+          <p>{t("settings.import.import_bookmarks_from_linkwarden_export")}</p>
+        </FilePickerButton>
         <FilePickerButton
           loading={false}
           accept=".json"
diff --git a/apps/web/lib/i18n/locales/en/translation.json b/apps/web/lib/i18n/locales/en/translation.json
index 0236b1c3..92f6e956 100644
--- a/apps/web/lib/i18n/locales/en/translation.json
+++ b/apps/web/lib/i18n/locales/en/translation.json
@@ -99,6 +99,7 @@
       "import_bookmarks_from_html_file": "Import Bookmarks from HTML file",
       "import_bookmarks_from_pocket_export": "Import Bookmarks from Pocket export",
       "import_bookmarks_from_omnivore_export": "Import Bookmarks from Omnivore export",
+      "import_bookmarks_from_linkwarden_export": "Import Bookmarks from Linkwarden export",
       "import_bookmarks_from_hoarder_export": "Import Bookmarks from Hoarder export",
       "export_links_and_notes": "Export Links and Notes",
       "imported_bookmarks": "Imported Bookmarks"
diff --git a/apps/web/lib/importBookmarkParser.ts b/apps/web/lib/importBookmarkParser.ts
index f3819e79..69b8a78c 100644
--- a/apps/web/lib/importBookmarkParser.ts
+++ b/apps/web/lib/importBookmarkParser.ts
@@ -140,3 +140,39 @@ export async function parseOmnivoreBookmarkFile(
     };
   });
 }
+
+export async function parseLinkwardenBookmarkFile(
+  file: File,
+): Promise<ParsedBookmark[]> {
+  const textContent = await file.text();
+  const zLinkwardenExportSchema = z.object({
+    collections: z.array(
+      z.object({
+        links: z.array(
+          z.object({
+            name: z.string(),
+            url: z.string(),
+            tags: z.array(z.object({ name: z.string() })),
+            createdAt: z.coerce.date(),
+          }),
+        ),
+      }),
+    ),
+  });
+
+  const parsed = zLinkwardenExportSchema.safeParse(JSON.parse(textContent));
+  if (!parsed.success) {
+    throw new Error(
+      `The uploaded JSON file contains an invalid Linkwarden bookmark file: ${parsed.error.toString()}`,
+    );
+  }
+
+  return parsed.data.collections.flatMap((collection) => {
+    return collection.links.map((bookmark) => ({
+      title: bookmark.name ?? "",
+      content: { type: BookmarkTypes.LINK as const, url: bookmark.url },
+      tags: bookmark.tags.map((tag) => tag.name),
+      addDate: bookmark.createdAt.getTime() / 1000,
+    }));
+  });
+}
-- 
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