tuxayo

def change_password
  @user = get_and_authorize_user
  @user_input = params.require(:user)

  begin
    check_old_password_match
    check_new_password_confirmation_match
    @user.password = @user_input['password']
    save_user
    redirect_to root_path, :notice => 'Mot de passe mis à jour'

tuxayo

def change_password
  @user = get_and_authorize_user
  @user_input = params.require(:user)

  if (old_password_match)
    if (new_password_confirmation_match)
      @user.password = @user_input['password']
      save_user_and_display_eventual_error
    else
      error_message_and_retry 'messages.users.password_dont_match'

tuxayo

def change_password
  @user = User.find(params[:id])
  authorize! :update, @user
  @user_input = params.require(:user)

  if (@user.valid_password?(@user_input['old_password']))
    if (@user_input['password'] == @user_input['password_confirmation'])
      @user.password = @user_input['password']
      save_successful = @user.save