cafe-grader-web Commit - r677:23aeddbc4690

cafe-grader-web

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Description:

fix sorting when avialable problem is nil

Commit status:

[Not Reviewed]

References:

java

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r677:23aeddbc4690 - Mon, 11 Sep 2017 16:49:34 - 1 file changed: 6 inserted, 1 deleted

app/models/user.rb ¶ +6 -1

                   self.groups.each do |group|
                     group.problems.where(available: true).each { |p| problem << p }
                   end
-            -     problem.uniq!.sort! do |a,b|
+            +     problem.uniq!
+            +     if problem
+            +       problem.sort! do |a,b|
                       case
                       when a.date_added < b.date_added
                       end
                     end
                     return problem
+            +     else
+            +       return []
+            +     end
                 end
                 def can_view_problem?(problem)

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