feat: Added WPP.group.getInviteCode function

src/group/functions/getInviteCode.ts

@@ -0,0 +1,43 @@
+/*!
+ * Copyright 2021 WPPConnect Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { WPPError } from '../../util';
+import { Wid } from '../../whatsapp';
+import { sendQueryGroupInviteCode } from '../../whatsapp/functions/sendQueryGroupInviteCode';
+import { iAmAdmin } from '..';
+import { ensureGroup } from './';
+
+/**
+ * Get the currend invite code of the group
+ *
+ * @example
+ * ```javascript
+ * const code = WPP.group.getInviteCode('<group-id>@g.us');
+ * const link = 'https://chat.whatsapp.com/' + code;
+ * ```
+ */
+export async function getInviteCode(groupId: string | Wid) {
+  const groupChat = ensureGroup(groupId);
+
+  if (!iAmAdmin(groupId)) {
+    throw new WPPError(
+      'group_you_are_not_admin',
+      `You are not admin in ${groupChat.id._serialized}`
+    );
+  }
+
+  return await sendQueryGroupInviteCode(groupChat.id);
+}

src/group/functions/index.ts

@@ -23,6 +23,7 @@ export { create } from './create';
 export { demoteParticipants } from './demoteParticipants';
 export { ensureGroup } from './ensureGroup';
 export { ensureGroupAndParticipants } from './ensureGroupAndParticipants';
+export { getInviteCode } from './getInviteCode';
 export { getParticipants } from './getParticipants';
 export { iAmAdmin } from './iAmAdmin';
 export { iAmMember } from './iAmMember';

src/whatsapp/functions/sendQueryGroupInviteCode.ts

@@ -0,0 +1,29 @@
+/*!
+ * Copyright 2021 WPPConnect Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Wid } from '..';
+import { exportModule } from '../exportModule';
+
+/** @whatsapp 65705 */
+export declare function sendQueryGroupInviteCode(groupId: Wid): Promise<string>;
+
+exportModule(
+  exports,
+  {
+    sendQueryGroupInviteCode: 'sendQueryGroupInviteCode',
+  },
+  (m) => m.sendQueryGroupInviteCode
+);