Support nested thread replies in desktop (#50)

desktop/src/shared/api/tauri.ts

@@ -19,6 +19,7 @@ import type {
   RelayEvent,
   SearchMessagesInput,
   SearchMessagesResponse,
+  SendChannelMessageResult,
   SetPresenceResult,
   SetChannelPurposeInput,
   SetChannelTopicInput,
@@ -152,6 +153,14 @@ type RawSearchResponse = {
   found: number;
 };
 
+type RawSendChannelMessageResult = {
+  event_id: string;
+  parent_event_id: string | null;
+  root_event_id: string | null;
+  depth: number;
+  created_at: number;
+};
+
 type RawToken = {
   id: string;
   name: string;
@@ -501,6 +510,29 @@ export async function getEventById(eventId: string): Promise<RelayEvent> {
   return JSON.parse(eventJson) as RelayEvent;
 }
 
+export async function sendChannelMessage(
+  channelId: string,
+  content: string,
+  parentEventId?: string | null,
+): Promise<SendChannelMessageResult> {
+  const response = await invokeTauri<RawSendChannelMessageResult>(
+    "send_channel_message",
+    {
+      channelId,
+      content,
+      parentEventId,
+    },
+  );
+
+  return {
+    eventId: response.event_id,
+    parentEventId: response.parent_event_id,
+    rootEventId: response.root_event_id,
+    depth: response.depth,
+    createdAt: response.created_at,
+  };
+}
+
 export async function signRelayEvent(input: {
   kind: number;
   content: string;

desktop/src/shared/api/types.ts

@@ -126,6 +126,14 @@ export type RelayEvent = {
   pending?: boolean;
 };
 
+export type SendChannelMessageResult = {
+  eventId: string;
+  parentEventId: string | null;
+  rootEventId: string | null;
+  depth: number;
+  createdAt: number;
+};
+
 export type FeedItemCategory =
   | "mention"
   | "needs_action"