Only update the time on login

packages/bridge-server/src/users/users.service.ts

@@ -24,8 +24,26 @@ export class UsersService {
      });
   }
 
-  updateLastLogin(id, nickname, picture, time) {
-    this.userModel.upsert({auth0id: id, nickname: nickname, picture: picture, lastLogin: time});
+  async updateLastLogin(id, nickname, picture, time) {
+    try {
+      await this.sequelize.transaction( async t => {
+          const transactionHost = { transaction: t };
+          let target_user = await this.userModel.findOne(
+            { where: {auth0id: id} }
+          );
+
+          if(!target_user) {
+            this.userModel.upsert({auth0id: id, nickname: nickname, picture: picture, lastLogin: time});
+          }
+          else {
+            target_user.lastLogin = time;
+
+            target_user.save();
+          }
+      });
+    } catch (error) {
+
+    }
   }
 
   async updateUserDetails(id, nickname, realname) {