Cached displaynames of users

Added solved state and #comments to index of request_for_comments
Added translations

app/models/code_ocean/file.rb

@@ -35,6 +35,7 @@ module CodeOcean
 
     has_many :files
     has_many :testruns
+    has_many :comments
     alias_method :descendants, :files
 
     mount_uploader :native_file, FileUploader

app/models/external_user.rb

@@ -6,8 +6,10 @@ class ExternalUser < ActiveRecord::Base
 
   def displayname
     result = name
-    if(consumer.name == 'openHPI')
-      result = Xikolo::UserClient.get(external_id.to_s)[:display_name]
+    Rails.cache.fetch("#{cache_key}/displayname", expires_in: 12.hours) do
+      if(consumer.name == 'openHPI')
+        result = Xikolo::UserClient.get(external_id.to_s)[:display_name]
+      end
     end
     result
   end

app/models/request_for_comment.rb

@@ -25,12 +25,16 @@ class RequestForComment < ActiveRecord::Base
             limit 1").first
   end
 
+  def comments_count
+    submission.files.map { |file| file.comments.size}.sum
+  end
+
   def to_s
     "RFC-" + self.id.to_s
   end
 
     private
     def self.row_number_user_sql
-      select("id, user_id, exercise_id, file_id, question, requested_at, created_at, updated_at, user_type, row_number() OVER (PARTITION BY user_id ORDER BY created_at DESC) as row_number").to_sql
+      select("id, user_id, exercise_id, file_id, question, requested_at, created_at, updated_at, user_type, solved, row_number() OVER (PARTITION BY user_id ORDER BY created_at DESC) as row_number").to_sql
     end
 end

app/views/request_for_comments/index.html.slim

@@ -4,18 +4,28 @@ h1 = RequestForComment.model_name.human(count: 2)
   table.table.sortable
     thead
       tr
+        th
+          i class="fa fa-lightbulb-o" aria-hidden="true" title = t('request_for_comments.solved') align="right"
         th = t('activerecord.attributes.request_for_comments.exercise')
         th = t('activerecord.attributes.request_for_comments.question')
+        th
+          i class="fa fa-comment" aria-hidden="true" title = t('request_for_comments.comments') align="center"
         th = t('activerecord.attributes.request_for_comments.username')
         th = t('activerecord.attributes.request_for_comments.requested_at')
     tbody
       - @request_for_comments.each do |request_for_comment|
         tr data-id=request_for_comment.id
+          - if request_for_comment.solved?
+            td
+              span class="fa fa-check" aria-hidden="true"
+          - else
+            td = ''
           td = link_to(request_for_comment.exercise.title, request_for_comment)
           - if request_for_comment.has_attribute?(:question) && request_for_comment.question
             td = truncate(request_for_comment.question, length: 200)
           - else
             td = '-'
+          td = request_for_comment.comments_count
           td = request_for_comment.user.displayname
           td = t('shared.time.before', time: distance_of_time_in_words_to_now(request_for_comment.requested_at))
 

app/views/request_for_comments/show.html.erb

@@ -14,15 +14,21 @@
       %>
     <%= user.displayname %> | <%= @request_for_comment.requested_at %>
   </p>
+  <h5>
+    <u><%= t('activerecord.attributes.exercise.instructions') %>:</u> "<%= @request_for_comment.exercise.description %>"
+  </h5>
+
   <h5>
     <% if @request_for_comment.question and not @request_for_comment.question == '' %>
-      <%= t('activerecord.attributes.request_for_comments.question')%>: "<%= @request_for_comment.question %>"
+        <u><%= t('activerecord.attributes.request_for_comments.question')%>:</u>  "<%= @request_for_comment.question %>"
     <% else %>
-      <%= t('request_for_comments.no_question') %>
+        <u><%= t('activerecord.attributes.request_for_comments.question')%>:</u>  <%= t('request_for_comments.no_question') %>
     <% end %>
   </h5>
   <% if (policy(@request_for_comment).mark_as_solved? and not @request_for_comment.solved?)  %>
-      <button class="btn btn-default" id="mark-as-solved-button">Bla</button>
+      <button class="btn btn-default" id="mark-as-solved-button"><%= t('request_for_comments.mark_as_solved') %></button>
+  <% elsif  (@request_for_comment.solved?) %>
+          <button type="button" class="btn btn-success"><%= t('request_for_comments.solved') %></button>
   <% else %>
 
   <% end %>