AI refactor

packages/client/src/messagingRelayLists.ts

@@ -0,0 +1,27 @@
+import {MESSAGING_RELAYS, asDecryptedEvent, readList} from "@welshman/util"
+import type {TrustedEvent} from "@welshman/util"
+import {RepositoryCollection} from "./repositoryCollection.js"
+import type {ClientContext} from "./client.js"
+import type {RelayLists} from "./relayLists.js"
+
+/**
+ * Kind-10050 messaging relay lists (NIP-17), keyed by pubkey. Loaded via the
+ * outbox model (the author's write relays), so it depends on the relay-list
+ * collection.
+ */
+export class MessagingRelayLists extends RepositoryCollection<ReturnType<typeof readList>> {
+  constructor(
+    ctx: ClientContext,
+    readonly relayLists: RelayLists,
+  ) {
+    super(ctx, {
+      filters: [{kinds: [MESSAGING_RELAYS]}],
+      eventToItem: (event: TrustedEvent) => readList(asDecryptedEvent(event)),
+      getKey: list => list.event.pubkey,
+    })
+  }
+
+  fetch(pubkey: string, relayHints: string[] = []) {
+    return this.relayLists.makeOutboxLoader(MESSAGING_RELAYS)(pubkey, relayHints)
+  }
+}