Escaped String should be transformed back as well

Author: s2team

src/main/java/de/votesapp/client/GroupMessage.java

@@ -55,6 +55,10 @@ private static String escapeDot(final String txt) {
 		// But then we need to have one. Now it's autoconfigured
 		return StringUtils.replace(txt, ".", "_");
 	}
+	
+    public static String unescapeDot(String txt) {
+         return StringUtils.replace(txt, "_", ".");
+    }
 
 	/**
 	 * Unique messageId. 4917917413454-1, 2, 3, ...
@@ -90,4 +94,5 @@ public User sender() {
 	public String normalizedText() {
 		return TextNormalizer.normalize(text);
 	}
+
 }

src/main/java/de/votesapp/client/YowsupRestClient.java

@@ -35,7 +35,7 @@ public void sendGroupMessage(final GroupMessage messageToSend) {
 		// WhatsApp won't return the unique messages IDs, so we don't receive a
 		// resource ID for that.
 		final Map<String, String> message = new HashMap<>();
-		message.put("to", messageToSend.getGroupId().replaceAll("_", "."));
+		message.put("to", GroupMessage.unescapeDot(messageToSend.getGroupId()));
 		// TODO: Add test that the text is trimmed. WhatsApp doesn't accept
 		// messages ending with \n!
 		message.put("text", trim(messageToSend.getText()));
@@ -73,7 +73,7 @@ public GroupMessage[] fetchGroupMessages() throws WhatsAppConnectionException {
 
 	private void deleteMessages(final GroupMessage... messages) {
 		for (final GroupMessage msg : messages) {
-			restTemplate.delete(yowsupRestConfig.getBaseUrl() + "/messages/inbox/{id}", msg.getId());
+			restTemplate.delete(yowsupRestConfig.getBaseUrl() + "/messages/inbox/{id}", GroupMessage.unescapeDot(msg.getId()));
 		}
 	}
 }