Set confirmation.welcome.account message to be quiet

bubble-server/src/main/java/bubble/service/account/StandardAccountMessageService.java

@@ -18,6 +18,7 @@ import bubble.model.account.message.handlers.*;
 import bubble.model.cloud.CloudService;
 import bubble.server.BubbleConfiguration;
 import lombok.Getter;
+import lombok.NonNull;
 import lombok.extern.slf4j.Slf4j;
 import org.cobbzilla.util.collection.NameAndValue;
 import org.cobbzilla.util.string.StringUtil;
@@ -47,7 +48,29 @@ public class StandardAccountMessageService implements AccountMessageService {
     @Autowired private CloudServiceDAO cloudDAO;
     @Autowired private BubbleConfiguration configuration;
 
+    /**
+     * If returns true, then email/sms will NOT be sent out for this AccountMessage object.
+     */
+    private boolean isQuietMessage(@NonNull final AccountMessage message) {
+        if (message.getMessageType() == AccountMessageType.confirmation
+               && message.getAction() == AccountAction.welcome
+               && message.getTarget() == ActionTarget.account) {
+            // No need for confirmation message here. The end user received `request.welcome.account` message with email
+            // address verification link. When he clicked the link, then the request was approved. That was the only
+            // required approval, and so it was also confirmed at that moment. Hence, AccountMessage
+            // `confirmation.welcome.account` is created. But there no real need to send out email at this point to the
+            // same user. And so this other confirmation message is `quiet`.
+            return true;
+        }
+        return false;
+    }
+
     @Override public boolean send(AccountMessage message) {
+        if (isQuietMessage(message)) {
+            log.info("send(" + message + "): message marked as quiet");
+            return false;
+        }
+
         final String accountUuid = message.getAccount();
         final Account account = accountDAO.findByUuid(accountUuid);
         AccountPolicy policy = policyDAO.findSingleByAccount(accountUuid);