Remove comments.

app/controllers/concepts_controller.rb

@@ -40,23 +40,15 @@ def modify_level
 
       progress = ConceptProgress.where(concept_id: @concept.id,
                                        enrollment_id: enrollment.id).first
-
-      comment = Comment.create(content: params[:comment],
-                               commenter_name: current_student.full_name) 
-
     elsif teacher_signed_in?
 
       enrollment = Enrollment.where(student_id: params[:student_id],
                                     course_id: @concept.unit.course.id).first
 
       progress = ConceptProgress.where(concept_id: @concept.id,
                                        enrollment_id: enrollment.id).first
-
-      comment = Comment.create(content: params[:comment],
-                               commenter_name: current_teacher.full_name)  
     end
 
-    progress.add_comment(comment)
     progress.change_level(params[:level])
 
     redirect_to @concept if progress.save  

app/models/concept_progress.rb

@@ -6,7 +6,6 @@ class ConceptProgress < ActiveRecord::Base
 
   belongs_to :enrollment
   belongs_to :concept
-  has_many :comments
 
   validates_presence_of :level, :type_of_error, :next_steps
 
@@ -21,8 +20,4 @@ def init
   def change_level(lev)
     self.level = lev
   end
-
-  def add_comment(com)
-    self.comments << com
-  end
 end

app/views/concepts/_modify_level_form.html.erb

@@ -1,11 +1,6 @@
 <%= form_tag concepts_modify_level_path, id:"levelForm", method: 'post' do %>
   <fieldset>
     <div class="form-group">
-      <%= label_tag :comment %>
-      <%= text_area_tag :comment, nil,
-        size: "50x5",
-        class: "form-control" %><br>
-         <span class="hide help-block">You must leave a comment.</span><br>
       <%= label_tag :level %>
       <%= select_tag :level,
         options_for_select([1,2,3,4]),
@@ -14,20 +9,8 @@
       <%= hidden_field_tag 'student_id', params[:student_id]%>
     </div>
     <%= button_tag "Change Level",
-       id:"levelButton",
-       class:"btn btn-default",
-       "data-dismiss" => "modal" %>
+      id:"levelButton",
+      class:"btn btn-default",
+      "data-dismiss" => "modal" %>
   </fieldset>
-<%end%>
-
-<script>
-$('#levelButton').click(function() {
-
-  if($('#comment').val() == "" ){
-    $('.help-block').attr('class', 'help-block')
-    return false;
-  }else{
-    $('#levelForm').submit();
-  }
-});
-</script>
+<% end %>

app/views/concepts/_student.html.erb

@@ -1,8 +1,6 @@
 <table class="table">
   <thead>
     <th>Level</th>
-    <th>Comment</th>
-    <th>Commented By</th>
   </thead>  
   <%= render 'student_progress' %>
 <table>

app/views/concepts/_student_progress.html.erb

@@ -3,14 +3,6 @@
   <% new_progress %>
   <% else %>
   <td><%= current_student.current_progress(@concept.unit.course).level%></td>
-  <td>
-    <%= current_student.current_progress(@concept.unit.course).comments.last.content if !current_student.current_progress(@concept.unit.course).comments.last.nil? %>
-  </td>
-  <td>
-    <%= current_student.current_progress(@concept.unit.course).
-    comments.last.commenter_name if !current_student.current_progress(
-    @concept.unit.course).comments.last.nil? %>
-  </td>
   <% end %>
   <td>     
     <%= link_to "Edit Concept", '#levelModal',

app/views/concepts/_teacher.html.erb

@@ -2,18 +2,12 @@
   <thead>
     <th>Student</th>
     <th>Level</th>
-    <th>Latest Comment</th>
-    <th>Commented By</th>
   </thead>
   <% if @concept.unit.course.enrollments.empty? %>
-
     <div class="no-courses text-center">
       There are currently no students enrolled.
     </div>
-
   <% else %>
-
     <%= render 'teacher_progress' %>
-
   <% end %>
 </table>

app/views/concepts/_teacher_progress.html.erb

@@ -1,28 +1,20 @@
 <% @concept.unit.course.enrollments.each do |e| %>
   <% e.concept_progresses.each do |p| %>
-  <tr id=<%= e.student.id %> >
-    <td><%= e.student.full_name %></td>
-    <td><%= p.level %></td>
-    <td>
-      <%= p.comments.last.content if !p.comments.last.nil?%>
-    </td>
-    <td>
-      <%= p.comments.last.commenter_name if !p.comments.last.nil? %>
-    </td>    
-    <td>
-      <%= link_to "Edit", '#levelModal',
-      :class => "btn btn-primary btn-sm changebutton",
-      :data => { :toggle => "modal" }, 
-      :id => e.student.id %>
-
-      <% end %>
-    </td>
-  </tr>
+    <tr id=<%= e.student.id %> >
+      <td><%= e.student.full_name %></td>
+      <td><%= p.level %></td>
+      <td>
+        <%= link_to "Edit", '#levelModal',
+          :class => "btn btn-primary btn-sm changebutton",
+          :data => { :toggle => "modal" }, 
+          :id => e.student.id %>
+      </td>
+    </tr>
   <% end %>
-
+<% end %>
 
 <script>
-  $('a.changebutton').on("click", function(e) {
+$('a.changebutton').on("click", function(e) {
     $('#student_id').val(e.target.id)
-  })
+    })
 </script>

db/migrate/20131011034751_remove_comments.rb

@@ -0,0 +1,5 @@
+class RemoveComments < ActiveRecord::Migration
+  def change
+    drop_table :comments
+  end
+end

db/schema.rb

@@ -11,17 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20131008095946) do
-
-  create_table "comments", force: true do |t|
-    t.string   "content"
-    t.string   "commenter_name"
-    t.integer  "concept_progress_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  add_index "comments", ["created_at"], name: "index_comments_on_created_at"
+ActiveRecord::Schema.define(version: 20131011034751) do
 
   create_table "concept_progresses", force: true do |t|
     t.datetime "created_at"

spec/factories.rb

@@ -50,10 +50,5 @@
     enrollment_id 1
     level         1
   end
-
-  factory :comment do
-    content        "This is why I modified my LT"
-    commenter_name "Person Name"
-  end
 end
 

spec/features/concept_show_spec.rb

@@ -32,27 +32,6 @@
       end
 
       it { should have_content @student.full_name }      
-
-      it "should not allow level changes without a comment" do
-        click_link "Edit"
-
-        select  "2",        from: "level"
-
-        click_link "Edit"
-
-        page.should have_css('div.fade') #modal form should remain active
-        page.should have_content("You must leave a comment.") 
-      end
-
-      it "should allow level changes with a comment" do
-        click_link "Edit"
-        fill_in "Comment",  with: "This is why I changed the level."
-        select  "2",        from: "level"
-
-        click_link "Edit"
-
-        page.should have_content("This is why I changed the level.") 
-      end
     end
   end
 

spec/models/concept_progress_spec.rb

@@ -11,8 +11,6 @@
     it { should belong_to  :enrollment }
     it { should belong_to  :concept}
 
-    it { should have_many  :comments }
-
     it { should respond_to :enrollment_id }
     it { should respond_to :concept_id }