namespace :user do
require 'csv'

desc 'write displaynames retrieved from the account service as csv into the codeocean database'
 
task :write_displaynames, [:file_path_read]  => [ :environment ] do |t, args|

   csv_input = CSV.read(args[:file_path_read], headers:true)

    csv_input.each do |row|
      user = ExternalUser.find_by(:external_id => row[0])
      puts "Change name from   #{user.name} to #{row[1]}"
      user.update(name: row[1])
    end
  end
end