delete unused function and fix typo

Author: yihong0618

lib/plugins/leetcode.js

@@ -552,18 +552,11 @@ function parseCookie(cookie, cb) {
   };
 }
 
-function saveAndGetUser(user, cb, cookieData) {
-  user.sessionId = cookieData.sessionId;
-  user.sessionCSRF = cookieData.sessionCSRF;
-  session.saveUser(user);
-  plugin.getUser(user, cb);
-}
-
-function requestLeetcodeAndSave(request, leetcodeUrl, user, cb) {
+function requestLeetcodeAndSave(request, leetcodeUrl, user, cb, party) {
   request.get({url: leetcodeUrl}, function(e, resp, body) {
     const redirectUri = resp.request.uri.href;
     if (redirectUri !== 'https://leetcode.com/') {
-      return cb('LinkedIn login failed or LinkedIn did not link to LeetCode');
+      return cb(`${party} login failed or ${party} did not link to LeetCode`);
     }
     const cookieData = parseCookie(resp.request.headers.cookie, cb);
     user.sessionId = cookieData.sessionId;
@@ -633,10 +626,10 @@ plugin.githubLogin = function(user, cb) {
           if (resp.request.uri.href === 'https://github.com/sessions/two-factor') {
             return cb('Wrong two-factor code please check');
           }
-          requestLeetcodeAndSave(_request, leetcodeUrl, user, cb);
+          requestLeetcodeAndSave(_request, leetcodeUrl, user, cb, 'GitHub');
         });
       } else {
-        requestLeetcodeAndSave(_request, leetcodeUrl, user, cb);
+        requestLeetcodeAndSave(_request, leetcodeUrl, user, cb, 'GitHub');
       }
     });
   });
@@ -676,7 +669,7 @@ plugin.linkedinLogin = function(user, cb) {
       if (resp.statusCode !== 200) {
         return cb('LinkedIn login failed');
       }
-      requestLeetcodeAndSave(_request, leetcodeUrl, user, cb);
+      requestLeetcodeAndSave(_request, leetcodeUrl, user, cb, 'LinkedIn');
     });
   });
 };