Hexadecimal color changed to capital letters

The default colors in event_types and difficulty levels are in capital letters and the ones that comes from the color picker were not. Now colors are capitalized before saving the track, level or type. A rake task has also been created to capitalize color from old tracks, levels or types.

lib/tasks/capitalize_colors.rake

@@ -0,0 +1,21 @@
+namespace :data do
+  desc 'Catitalize tracks, event types and difficult levels colors'
+
+  task capitalize_colors: :environment do
+    capitalize_collection_colors(Track)
+    puts "Tracks' colors capitalized"
+
+    capitalize_collection_colors(DifficultyLevel)
+    puts "Difficulty levels' colors capitalized"
+
+    capitalize_collection_colors(EventType)
+    puts "Event types' colors capitalized"
+  end
+
+  def capitalize_collection_colors(model)
+    model.all.each do |item|
+      item.color = item.color.upcase
+      item.save!
+    end
+  end
+end