Add sendMessage to Call (#361)

* Add sendMessage to Call

* Add body to options if key is not setted

* Fix error message on sendMessage method

* Upgrading intl dependency

---------

Co-authored-by: EduardoAlberti <eduardo.alberti.d@gmail.com>

Author: FeleConvo

lib/src/sip_ua_helper.dart

@@ -507,6 +507,15 @@ class Call {
     _session.sendInfo(contentType, body, options);
   }
 
+  void sendMessage(String body, [Map<String, dynamic>? options]) {
+    assert(_session != null, 'ERROR(sendMessage): rtc session is invalid');
+
+    options?.putIfAbsent('body', () => body);
+
+    _session.sendRequest(DartSIP_C.SipMethod.MESSAGE,
+        options ?? <String, dynamic>{'body': body});
+  }
+
   String? get remote_display_name {
     assert(_session != null,
         'ERROR(get remote_identity): rtc session is invalid!');

pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
   collection: ^1.15.0
   crypto: ^3.0.0
   flutter_webrtc: ^0.9.25
-  intl: ^0.17.0
+  intl: ^0.18.1
   logger: ^1.0.0
   parser_error: ^0.2.0
   path: ^1.6.4