Add a hacky flag to hide final grades until I've finished grading

app/models/assignment.rb

@@ -21,4 +21,8 @@ def students_whose_latest_assignment_is_this
   def self.submission_deadline_past?
     DateTime.new(2014, 11, 12, 0, 0, 0, '-8').past? # 00:00 Wednesday November 12 2014
   end
+
+  def self.everything_is_graded?
+    false
+  end
 end

app/models/student.rb

@@ -39,6 +39,7 @@ def sync_tags(force_update: false, tags: nil)
     return unless github_username and github_repo #can't update a user's tags if their info isn't here
     return unless force_update or last_sync.nil? or last_sync < DateTime.now - 5.minutes
     tags ||= Octokit.tags(github_username+'/'+github_repo).map(&:name)
+    puts tags
     Assignment.find_each do |assignment|
       assignment_tags = tags.select{|t| t.start_with? assignment.tag_prefix} unless assignment.tag_prefix.nil?
       puts assignment.to_s+" -> "+assignment_tags.join(", ")

app/views/students/show.html.haml

@@ -19,9 +19,12 @@
 - if Assignment.submission_deadline_past? or params[:show_grade_info]
   .alert.alert-info
     The deadline for submitting lab assignments has passed.
-    %br/
-    Your final grade for the lab section of the course is
-    =@student.assignment_progress.grade rescue nil
+    - if Assignment.everything_is_graded?
+      %br/
+      Your final grade for the lab section of the course is
+      =@student.assignment_progress.grade rescue nil
+    - else
+      Final lab grades will be posted shortly.
 
 - Assignment.find_each do |assignment|
   - submissions = Submission.where(assignment: assignment, student: @student).order(:tag)