Better support for inviting multiple people

Pasting a list of addresses into the box will now pop up a dialog to confirm and show you the success / failure state of each address. It will also not die if it gets rate limited.

Fixes https://github.com/vector-im/vector-web/issues/1713

src/Invite.js

@@ -0,0 +1,45 @@
+/*
+Copyright 2016 OpenMarket Ltd
+
+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 MatrixClientPeg from './MatrixClientPeg';
+
+const emailRegex = /^\S+@\S+\.\S+$/;
+
+export function getAddressType(inputText) {
+    const isEmailAddress = /^\S+@\S+\.\S+$/.test(inputText);
+    const isMatrixId = inputText[0] === '@' && inputText.indexOf(":") > 0;
+
+    // sanity check the input for user IDs
+    if (isEmailAddress) {
+        return 'email';
+    } else if (isMatrixId) {
+        return 'mx';
+    } else {
+        return null;
+    }
+}
+
+export function inviteToRoom(roomId, addr) {
+    const addrType = getAddressType(addr);
+
+    if (addrType == 'email') {
+        return MatrixClientPeg.get().inviteByEmail(roomId, addr);
+    } else if (addrType == 'mx') {
+        return MatrixClientPeg.get().invite(roomId, addr);
+    } else {
+        throw new Error('Unsupported address');
+    }
+}