Filter out hidden problems.

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

lib/leetcode_client.js

@@ -84,18 +84,22 @@ leetcodeClient.getProblems = function(cb) {
     if (json.user_name.length === 0)
       return cb('session expired, please login again');
 
-    var problems = json.stat_status_pairs.map(function(p) {
-      return {
-        state:   p.status || 'None',
-        id:      p.stat.question_id,
-        name:    p.stat.question__title,
-        key:     p.stat.question__title_slug,
-        link:    config.PROBLEM_URL.replace('$id', p.stat.question__title_slug),
-        locked:  p.paid_only,
-        percent: p.stat.total_acs * 100 / p.stat.total_submitted,
-        level:   h.levelToName(p.difficulty.level)
-      };
-    });
+    var problems = json.stat_status_pairs
+        .filter(function(p) {
+          return !p.stat.question__hide;
+        })
+        .map(function(p) {
+          return {
+            state:   p.status || 'None',
+            id:      p.stat.question_id,
+            name:    p.stat.question__title,
+            key:     p.stat.question__title_slug,
+            link:    config.PROBLEM_URL.replace('$id', p.stat.question__title_slug),
+            locked:  p.paid_only,
+            percent: p.stat.total_acs * 100 / p.stat.total_submitted,
+            level:   h.levelToName(p.difficulty.level)
+          };
+        });
 
     return cb(null, problems);
   });

test/test_leetcode_client.js

@@ -13,7 +13,7 @@ describe('leetcode_client', function() {
 
       client.getProblems(function(e, problems) {
         assert.equal(e, null);
-        assert.equal(problems.length, 382);
+        assert.equal(problems.length, 377);
         done();
       });
     });