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