1 files changed, 14 insertions, 0 deletions
diff --git a/src/main/java/com/juick/service/MessengerService.java b/src/main/java/com/juick/service/MessengerService.java
new file mode 100644
index 00000000..e07c73fe
--- /dev/null
+++ b/src/main/java/com/juick/service/MessengerService.java
@@ -0,0 +1,14 @@
+package com.juick.service;
+
+import com.juick.User;
+
+import java.util.Optional;
+
+public interface MessengerService {
+    Integer getUserId(String senderId);
+    Optional<String> getSenderId(User user);
+    boolean createMessengerUser(String senderId, String displayName);
+    String getDisplayName(String hash);
+    String getSignUpHash(String senderId, String username);
+    boolean linkMessengerUser(String hash, int uid);
+}