From 2726bfd59532d7ee84974d6f16e2218a2c6d5e19 Mon Sep 17 00:00:00 2001
From: reya <reya@lume.nu>
Date: Thu, 4 Jan 2024 15:10:52 +0700
Subject: [PATCH] feat: support nip 89

---
 packages/ark/src/ark.ts                       | 34 +++++++-----
 .../ark/src/components/note/appHandler.tsx    | 54 +++++++++++++++++++
 packages/ark/src/components/note/content.tsx  | 16 ++----
 packages/ark/src/components/note/nip89.tsx    | 53 ++++++++++++++++++
 packages/ark/src/provider.tsx                 |  1 -
 5 files changed, 131 insertions(+), 27 deletions(-)
 create mode 100644 packages/ark/src/components/note/appHandler.tsx
 create mode 100644 packages/ark/src/components/note/nip89.tsx

diff --git a/packages/ark/src/ark.ts b/packages/ark/src/ark.ts
index 73ac9a47..52c5436c 100644
--- a/packages/ark/src/ark.ts
+++ b/packages/ark/src/ark.ts
@@ -1,6 +1,7 @@
 import { LumeStorage } from "@lume/storage";
 import { type NDKEventWithReplies, type NIP05 } from "@lume/types";
 import NDK, {
+	NDKAppHandlerEvent,
 	NDKEvent,
 	NDKFilter,
 	NDKKind,
@@ -519,19 +520,26 @@ export class Ark {
 		return false;
 	}
 
-	public async replyTo({
-		content,
-		event,
-	}: { content: string; event: NDKEvent }) {
-		try {
-			const replyEvent = new NDKEvent(this.ndk);
-			replyEvent.content = content;
-			replyEvent.kind = NDKKind.Text;
-			replyEvent.tag(event, "reply");
+	public async getAppRecommend({
+		unknownKind,
+		author,
+	}: { unknownKind: string; author?: string }) {
+		const event = await this.ndk.fetchEvent({
+			kinds: [NDKKind.AppRecommendation],
+			"#d": [unknownKind],
+			authors: this.#storage.account.contacts || [author],
+		});
 
-			return await replyEvent.publish();
-		} catch (e) {
-			throw new Error(e);
-		}
+		if (event) return event.tags.filter((item) => item[0] !== "d");
+
+		const altEvent = await this.ndk.fetchEvent({
+			kinds: [NDKKind.AppHandler],
+			"#k": [unknownKind],
+			authors: this.#storage.account.contacts || [author],
+		});
+
+		if (altEvent) return altEvent.tags.filter((item) => item[0] !== "d");
+
+		return null;
 	}
 }
diff --git a/packages/ark/src/components/note/appHandler.tsx b/packages/ark/src/components/note/appHandler.tsx
new file mode 100644
index 00000000..540ddb72
--- /dev/null
+++ b/packages/ark/src/components/note/appHandler.tsx
@@ -0,0 +1,54 @@
+import { NDKAppHandlerEvent } from "@nostr-dev-kit/ndk";
+import { useQuery } from "@tanstack/react-query";
+import { useArk } from "../../provider";
+
+export function AppHandler({ tag }: { tag: string[] }) {
+	const ark = useArk();
+
+	const { isLoading, isError, data } = useQuery({
+		queryKey: ["app-handler", tag[1]],
+		queryFn: async () => {
+			const ref = tag[1].split(":");
+			const event = await ark.getEventByFilter({
+				filter: {
+					kinds: [Number(ref[0])],
+					authors: [ref[1]],
+					"#d": [ref[2]],
+				},
+			});
+
+			if (!event) return null;
+
+			const app = NDKAppHandlerEvent.from(event);
+			return await app.fetchProfile();
+		},
+		refetchOnWindowFocus: false,
+	});
+
+	if (isLoading) {
+		<div>Loading...</div>;
+	}
+
+	if (isError || !data) {
+		return <div>Error</div>;
+	}
+
+	return (
+		<div className="flex items-center gap-2 p-2 rounded-md bg-neutral-200 dark:bg-neutral-800 hover:ring-1 hover:ring-blue-500">
+			<img
+				src={data?.picture || data?.image}
+				alt={data.pubkey}
+				decoding="async"
+				className="object-cover bg-white rounded-lg h-9 w-9 shrink-0 ring-1 ring-neutral-200/50 dark:ring-neutral-800/50"
+			/>
+			<div className="flex flex-col">
+				<div className="max-w-[15rem] truncate font-semibold text-neutral-950 dark:text-neutral-50">
+					{data.name}
+				</div>
+				<div className="text-sm text-neutral-600 dark:text-neutral-400 line-clamp-1">
+					{data.about}
+				</div>
+			</div>
+		</div>
+	);
+}
diff --git a/packages/ark/src/components/note/content.tsx b/packages/ark/src/components/note/content.tsx
index 186fb6bf..ddd18fcd 100644
--- a/packages/ark/src/components/note/content.tsx
+++ b/packages/ark/src/components/note/content.tsx
@@ -1,6 +1,7 @@
 import { cn } from "@lume/utils";
 import { NDKKind } from "@nostr-dev-kit/ndk";
 import { useNoteContext, useRichContent } from "../..";
+import { NIP89 } from "./nip89";
 
 export function NoteContent({
 	className,
@@ -10,18 +11,7 @@ export function NoteContent({
 	const event = useNoteContext();
 	const { parsedContent } = useRichContent(event.content);
 
-	if (event.kind === NDKKind.Text) {
-		return (
-			<div
-				className={cn(
-					"break-p select-text whitespace-pre-line text-balance leading-normal",
-					className,
-				)}
-			>
-				{parsedContent}
-			</div>
-		);
-	}
+	if (event.kind !== NDKKind.Text) return <NIP89 className={className} />;
 
 	return (
 		<div
@@ -30,7 +20,7 @@ export function NoteContent({
 				className,
 			)}
 		>
-			Unsupported kind
+			{parsedContent}
 		</div>
 	);
 }
diff --git a/packages/ark/src/components/note/nip89.tsx b/packages/ark/src/components/note/nip89.tsx
new file mode 100644
index 00000000..66b4b60a
--- /dev/null
+++ b/packages/ark/src/components/note/nip89.tsx
@@ -0,0 +1,53 @@
+import { useQuery } from "@tanstack/react-query";
+import { useArk } from "../../provider";
+import { AppHandler } from "./appHandler";
+import { useNoteContext } from "./provider";
+
+export function NIP89({ className }: { className?: string }) {
+	const ark = useArk();
+	const event = useNoteContext();
+
+	const { isLoading, isError, data } = useQuery({
+		queryKey: ["app-recommend", event.id],
+		queryFn: () => {
+			return ark.getAppRecommend({
+				unknownKind: event.kind.toString(),
+				author: event.pubkey,
+			});
+		},
+		refetchOnWindowFocus: false,
+		refetchOnMount: false,
+		staleTime: Infinity,
+	});
+
+	if (isLoading) {
+		<div>Loading...</div>;
+	}
+
+	if (isError || !data) {
+		return <div>Error</div>;
+	}
+
+	return (
+		<div className={className}>
+			<div className="flex flex-col rounded-lg bg-neutral-100 dark:bg-neutral-900">
+				<div className="inline-flex items-center justify-between h-10 px-3 border-b shrink-0 border-neutral-200 dark:border-neutral-800">
+					<p className="text-sm font-medium text-amber-400">
+						Lume isn't support this event
+					</p>
+					<p className="text-sm text-neutral-600 dark:text-neutral-400">
+						{event.kind}
+					</p>
+				</div>
+				<div className="flex flex-col flex-1 gap-2 px-3 py-3">
+					<span className="text-sm font-medium uppercase text-neutral-600 dark:text-neutral-400">
+						Open with
+					</span>
+					{data.map((item, index) => (
+						<AppHandler key={item[1] + index} tag={item} />
+					))}
+				</div>
+			</div>
+		</div>
+	);
+}
diff --git a/packages/ark/src/provider.tsx b/packages/ark/src/provider.tsx
index e5ecc16e..fd552c70 100644
--- a/packages/ark/src/provider.tsx
+++ b/packages/ark/src/provider.tsx
@@ -3,7 +3,6 @@ import { NDKCacheAdapterTauri } from "@lume/ndk-cache-tauri";
 import { LumeStorage } from "@lume/storage";
 import { QUOTES, delay, sendNativeNotification } from "@lume/utils";
 import NDK, {
-	NDKKind,
 	NDKNip46Signer,
 	NDKPrivateKeySigner,
 	NDKRelay,