Cocoon link_to_remove_association remove only for view but not in the database

Question

link_to_remove_association works for view but doesn't not delete in the database. Not sure what's wrong in my code. I can add and update totally fine.

Parameters:

"todo_list" => {
    "name" => "Stuff to do",
    "todo_tasks_attributes" => {
        "0" => {
            "_destroy" => "1",
            "name" => "1",
            "completed" => "0",
            "due" => "",
            "id"=>"3"
        },
        "1" => {
            "_destroy" => "false",
            "name" => "2",
            "completed" => "0",
            "due" => "",
            "id" => "4"
        },
        "2" => {
            "_destroy" => "false",
            "name" => "3",
            "completed" => "1",
            "due" => "",
            "id" => "5"
        },
        "3" => {
            "_destroy" => "false",
            "name"=>"4",
            "completed" => "0",
            "due" => "",
            "id" => "6"
        }
    }
},
"commit" => "Update Todo list", "id" => "2" }

In my log I get:

Unpermitted parameter: :_destroy
Unpermitted parameter: :_destroy
Unpermitted parameter: :_destroy
Unpermitted parameter: :_destroy

This is my TodoList controller

class TodoListsController < ApplicationController
  before_action :set_todo_list, only: [:show, :edit, :update, :destroy]

  # GET /todo_lists
  # GET /todo_lists.json
  def index
    @todo_lists = TodoList.all
  end

  # GET /todo_lists/1
  # GET /todo_lists/1.json
  def show
  end

  # GET /todo_lists/new
  def new
    @todo_list = TodoList.new

  end

  # GET /todo_lists/1/edit
  def edit

  end

  # POST /todo_lists
  # POST /todo_lists.json
  def create
    @todo_list = TodoList.new(todo_list_params)

    respond_to do |format|
      if @todo_list.save
        format.html { redirect_to @todo_list, notice: 'Todo list was successfully created.' }
        format.json { render :show, status: :created, location: @todo_list }
      else
        format.html { render :new }
        format.json { render json: @todo_list.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /todo_lists/1
  # PATCH/PUT /todo_lists/1.json
  def update
    if @todo_list.update(todo_list_params)
      redirect_to edit_todo_list_path(@todo_list), notice: 'Todo list was successfully updated.'
    else
      render :edit
    end
  end

  # DELETE /todo_lists/1
  # DELETE /todo_lists/1.json
  def destroy
    @todo_list.destroy
    respond_to do |format|
      format.html { redirect_to todo_lists_url, notice: 'Todo list was successfully destroyed.' }
      format.json { head :no_content }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_todo_list
      @todo_list = TodoList.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def todo_list_params
     # params.require(:todo_list).permit(:name, todo_tasks_attributes: [:id, :_destory, :todo_list_id, :name, :completed, :due])
      params
      .require(:todo_list)
      .permit(:name, todo_tasks_attributes: TodoTask.attribute_names.map(&:to_sym).push(:_destory))
    end


end

TodoList model

class TodoList < ApplicationRecord
  has_many :todo_tasks, dependent: :destroy
  accepts_nested_attributes_for :todo_tasks,
                                 allow_destroy: true, 
                                 reject_if: proc { |att| att['name'].blank? }

end

todotask model

class TodoTask < ApplicationRecord
  belongs_to :todo_list, optional: true
end

_form

<%= simple_form_for(@todo_list) do |f| %>
  <%= f.error_notification %>
  <div class="form-inputs">
    <%= f.input :name %>
  </div>

  <table class='table'>
    <thead>
      <tr>
         <th></th>
        <th>Task Name</th>
        <th>Completed</th>
        <th>Due</th>

      </tr>
    </thead>
    <tbody class='todo_tasks'>
      <%= f.simple_fields_for :todo_tasks do |builder| %>
        <%= render 'todo_task_fields', f: builder %>
      <% end %>
    </tbody>
  </table>

  <div class="form-actions">
    <%= f.button :submit %>
    <div class="links">
      <%= link_to_add_association('Add Task', f, :todo_tasks, class: 'btn btn-primary', data: { association_insertion_node: '.todo_tasks', association_insertion_method: :append } ) %>
    </div>
  </div>

_todo_task_fields

<tr class="nested-fields">
      <td>

        <%= link_to_remove_association  "remove task", f, class: 'btn btn-default btn-xs' %>
      </td>
  <td><%= f.input :name, label: false %></td>
  <td><%= f.input :completed, label: false %></td>
  <td><%= f.input :due, label: false, as: :string %></td>

</tr>

Answer 1

Sily me... I had a spelling mistake on my params :_destory -> :_destroy.

Problem solved