Extract relay-agnostic forum fetchers from the stores

src/lib/forum/resources.ts

@@ -0,0 +1,47 @@
+import { tag, type Query } from "./query";
+
+export type Resource = {
+  id: string;
+  slug: string; // NIP-23 `d` tag — also the resource URL slug
+  title: string;
+  content: string; // markdown body
+  position?: number;
+  pubkey: string;
+  createdAt: number;
+};
+
+// Positioned resources first (ascending), then alphabetical by title.
+function compare(a: Resource, b: Resource): number {
+  const ap = a.position;
+  const bp = b.position;
+  if (ap !== undefined && bp !== undefined)
+    return ap !== bp ? ap - bp : a.title.localeCompare(b.title);
+  if (ap !== undefined) return -1;
+  if (bp !== undefined) return 1;
+  return a.title.localeCompare(b.title);
+}
+
+// Every `squalk-resource` article, newest per slug. Not admin-filtered: the
+// caller applies the admin set, which may resolve later than this fetch.
+export async function fetchResources(q: Query): Promise<Resource[]> {
+  const events = await q({ kinds: [30023], "#t": ["squalk-resource"] });
+  const bySlug = new Map<string, Resource>();
+  for (const e of events) {
+    const slug = tag(e, "d");
+    if (!slug) continue;
+    const existing = bySlug.get(slug);
+    if (existing && existing.createdAt >= e.created_at) continue;
+    const posTag = tag(e, "position");
+    const pos = posTag !== undefined ? Number(posTag) : NaN;
+    bySlug.set(slug, {
+      id: e.id,
+      slug,
+      title: tag(e, "title") ?? slug,
+      content: e.content,
+      position: Number.isFinite(pos) ? pos : undefined,
+      pubkey: e.pubkey,
+      createdAt: e.created_at,
+    });
+  }
+  return [...bySlug.values()].sort(compare);
+}