Add internal org chat (phase 1) with DM, groups, and org settings.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/conversations/chat-external.client.ts

@@ -0,0 +1,88 @@
+import { BadGatewayException, Injectable } from '@nestjs/common';
+
+export type ExternalRoomRow = Record<string, unknown>;
+
+@Injectable()
+export class ChatExternalClient {
+  normalizeHost(host: string): string {
+    return host
+      .trim()
+      .replace(/^wss?:\/\//, '')
+      .replace(/^https?:\/\//, '')
+      .replace(/\/+$/, '');
+  }
+
+  async createRoom(
+    host: string,
+    apiKey: string,
+    payload: {
+      name: string;
+      type: string;
+      members: string[];
+    },
+  ): Promise<{ room_id: string }> {
+    const base = this.normalizeHost(host);
+    const url = `https://${base}/api/rooms/create`;
+    const response = await fetch(url, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json', Accept: 'application/json' },
+      body: JSON.stringify({
+        api_key: apiKey,
+        name: payload.name,
+        type: payload.type,
+        members: payload.members,
+      }),
+    });
+    if (!response.ok) {
+      const body = await response.text().catch(() => '');
+      throw new BadGatewayException(
+        `سرویس گفتگو room ایجاد نکرد (${response.status})${body ? `: ${body.slice(0, 200)}` : ''}`,
+      );
+    }
+    const data = (await response.json()) as { room_id?: string; id?: string };
+    const roomId = String(data.room_id ?? data.id ?? '').trim();
+    if (!roomId) {
+      throw new BadGatewayException('پاسخ سرویس گفتگو فاقد room_id است');
+    }
+    return { room_id: roomId };
+  }
+
+  async listUserRooms(
+    host: string,
+    apiKey: string,
+    chatUserId: string,
+  ): Promise<ExternalRoomRow[]> {
+    const base = this.normalizeHost(host);
+    const params = new URLSearchParams({
+      api_key: apiKey,
+      user_id: chatUserId,
+    });
+    const url = `https://${base}/api/users/rooms?${params.toString()}`;
+    const response = await fetch(url, {
+      method: 'GET',
+      headers: { Accept: 'application/json' },
+      cache: 'no-store',
+    });
+    if (!response.ok) {
+      const body = await response.text().catch(() => '');
+      throw new BadGatewayException(
+        `دریافت لیست گفتگو ناموفق (${response.status})${body ? `: ${body.slice(0, 200)}` : ''}`,
+      );
+    }
+    const result = await response.json();
+    if (Array.isArray(result)) return result as ExternalRoomRow[];
+    if (Array.isArray(result?.data)) return result.data as ExternalRoomRow[];
+    if (Array.isArray(result?.rooms)) return result.rooms as ExternalRoomRow[];
+    if (Array.isArray(result?.items)) return result.items as ExternalRoomRow[];
+    return [];
+  }
+
+  async ping(host: string, apiKey: string, chatUserId: string): Promise<boolean> {
+    try {
+      await this.listUserRooms(host, apiKey, chatUserId);
+      return true;
+    } catch {
+      return false;
+    }
+  }
+}