haml - Rails form keep sending old values after error -


i have form reason keep same values after error. example, if enter name exists, me error , @ same time keep sending old value if change (so have refresh page , lose changes resolve error).

   = provide(:title, t(:create_task)) .center   = form_for :task, url: tasks_path |f|     = render 'shared/big_flash'     = render 'task_error_messages'     .row.text-center       .col-lg-10.col-lg-offset-1.col-md-12.col-sm-12.col-xs-12         .jumbotron           %h2= t(:create_task)           .row             .col-lg-6.col-md-6.col-sm-6.col-xs-12               = f.label t(:par_task_name)               %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_new_name)} info_outline               = f.text_field 'name', maxlength: 255, class: 'form-control'                = f.label t(:par_category)               = f.collection_select 'category', category.order(:name), :name, :name, {}, {class: 'form-control'}               = link_to t(:btn_modify_categories), categories_modify_path, class: 'btn btn-primary btn-block', data: { confirm: t(:changes_lost_proceed) }                = f.label t(:par_task_type)               = f.select 'task_type', task::task_types_list, {include_blank: true}, {class: 'form-control', id: 'type_of_task'}                = f.label t(:par_score)               = f.number_field 'score', min: '0', step: '1', class: 'form-control'              .col-lg-6.col-md-6.col-sm-6.col-xs-12               = f.label t(:par_asset)               %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_asset)} info_outline               = f.file_field 'category'            .description             = f.label t(:par_description)             %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_description)} info_outline             = f.text_area 'name', class: 'form-control'              = f.check_box 'mathjax'             = f.label t(:par_mathjax)             %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_mathjax)} info_outline            .row             .correct_solutions.col-lg-6.col-md-6.col-sm-6.col-xs-12               = f.label t(:par_correct_solutions)               #generated_correct_solutions               = button_tag t(:btn_add_correct_solution), type: 'button', class: 'btn btn-primary btn-toolbar', id: 'add_correct_solution'              .wrong_solutions.col-lg-6.col-md-6.col-sm-6.col-xs-12               = f.label t(:par_wrong_solutions)               #generated_wrong_solutions               = button_tag t(:btn_add_wrong_solution), type: 'button', class: 'btn btn-primary btn-toolbar', id: 'add_wrong_solution'            #close-ended_task{class: 'hidden'}             = f.check_box 'random', id: 'randomize_task'             = f.label t(:par_random)             %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_random)} info_outline             #randomize{class: 'hidden'}               .row                 .col-lg-6.col-md-6.col-sm-6.col-xs-12                   = f.label t(:par_number_of_solutions)                   %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_no_random_solutions)} info_outline                   = f.number_field 'no_random_solutions', min: '1', step: '1', class: 'form-control'                  .col-lg-6.col-md-6.col-sm-6.col-xs-12                   = f.label t(:par_min_number_of_correct_solutions)                   %i{class: 'material-icons text-muted', rel: 'tooltip', title: t(:tt_task_min_no_random_correct_solutions)} info_outline                   = f.number_field 'min_no_random_correct_solutions', min: '0', step: '1', class: 'form-control'            .btn-group.btn-group-justified.hidden-xs             .btn-group               = f.submit t(:btn_create_new_task), class: 'btn btn-lg btn-primary btn-toolbar'             .btn-group               = link_to t(:btn_cancel), '#', class: 'btn btn-lg btn-primary btn-toolbar'           .btn-group-vertical.visible-xs             = f.submit t(:btn_create_new_task), class: 'btn btn-lg btn-primary'             = link_to t(:btn_cancel), '#', class: 'btn btn-lg btn-primary'

and tasks_controller.rb

  def new     @task = task.new   end    def create     @task = task.new(task_params)     @task.user_id = helpers.current_user.id     if @task.save       flash[:success] = t(:task_created)       redirect_to new_task_path     else       render 'new'     end   end

any idea problem? don't want clean fields after error, want keep them, on next post, send new values instead.


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