add properties to a list rails4

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Mezbah Alam

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Feb 9, 2016, 12:34:10 PM2/9/16

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Property has many lists. List has many properties. Users can add properties to a list , here user must be owner of those properties which he want to add.

Here is my code:

class List < ActiveRecord::Base
  has_many :propertyships
  has_many :properties, :through => :propertyships
end

class Propertyship < ActiveRecord::Base
  belongs_to :list
  belongs_to :property
end

class Property < ActiveRecord::Base
  has_many :propertyships
  has_many :lists, :through => :propertyships
end

in view:

<%= simple_form_for(@list, url: add_property_list_path,  :method => :put) do |f| %>
   <%= f.collection_check_boxes(:property_ids, @user_all_properties, :id, :street_address) %>
   <%= f.submit "Add Property" %>
<% end %>

in routes:

  resources :lists do
    member do
      put 'add_property'
    end
  end

in controller:

  def add_property
    @list = List.find(params[:id])
    @list.update_attributes(list_params)
  end
  private
  def list_params
    params.require(:list).permit(:name, :user_id, property_ids: [])
  end

when I checked properties and I click "Add property" button as other user , its add checked properties but remove old properties that I have in that particular list. what a I doing wrong??

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