initial commit

utils/atproto.ts

@@ -0,0 +1,88 @@
+/**
+ * Copyright (c) 2025 favewa
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { withInterval } from "./temp.ts";
+
+export interface Report {
+	rkey: string;
+	cid: string;
+	title: string;
+	excerpt: string;
+	content: string;
+	createdAt: string;
+	tags?: string[];
+	visibility: string;
+	date: Date;
+}
+
+async function xrpc(
+	method: string,
+	params: Record<string, string>,
+): Promise<any> {
+	const url = new URL(`https://blacksky.app/xrpc/${method}`);
+
+	Object.entries(params).forEach(([key, value]) => {
+		url.searchParams.set(key, value);
+	});
+
+	const response = await fetch(url.toString());
+
+	if (!response.ok) {
+		throw new Error(`XRPC call failed: ${response.statusText}`);
+	}
+
+	return await response.json();
+}
+
+const rkey = (input: string) => input.slice(input.lastIndexOf("/") + 1 || 0);
+
+export const getCachedReports: () => Report[] = await withInterval(
+	getPosts,
+	300,
+);
+
+export async function getPosts(cursor?: string): Promise<Report[]> {
+	const params: Record<string, string> = {
+		collection: "com.whtwnd.blog.entry",
+		repo: "acpi.at",
+	};
+	if (cursor) params.cursor = cursor;
+
+	const response = await xrpc("com.atproto.repo.listRecords", params);
+	if (!response) return [];
+
+	const reports = (response.records as Record<string, any>[]).map((
+		{ cid, uri, value },
+	) => ({
+		...value,
+		rkey: rkey(uri),
+		date: new Date(value.createdAt),
+		createdAt: new Date(value.createdAt).toISOString().slice(0, 10).replace(
+			/-/g,
+			".",
+		),
+		cid,
+	} as Report)).filter((r) => r.visibility === "author").sort((a, b) =>
+		b.date as any - (a.date as any)
+	);
+
+	return reports;
+}
+
+export async function retrieveReport(rkey: string): Promise<Report | null> {
+	const response = await xrpc("com.atproto.repo.getRecord", {
+		collection: "com.whtwnd.blog.entry",
+		repo: "acpi.at",
+		rkey,
+	});
+
+	if (!response) return null;
+
+	return {
+		...response.value,
+		cid: response.cid,
+		rkey,
+	} as Report;
+}