demo

src/main/kotlin/mvc/dao/UserRepository.kt

@@ -1,12 +1,14 @@
 package mvc.dao
 
 import mvc.entities.User
+import mvc.entities.UserRankEnum
+import mvc.entities.UserStatusEnum
 
 class UserRepository {
     val users = mutableMapOf<Long, User>()
 
     init {
-        add(User(1L, "nian", "chen"))
+        add(User(1L, "nian", "chen", UserStatusEnum.ACTIVE, null, UserRankEnum.VIP))
     }
 
     fun add(user: User) {
@@ -20,4 +22,8 @@ class UserRepository {
     fun update(user: User) {
         users[user.id] = user
     }
+
+    fun findByUsername(firstName: String, lastName: String): User? {
+        return users.entries.find { it.value.firstName == firstName && it.value.lastName == lastName }?.value
+    }
 }