Rails, form is calling wrong action - ruby-on-rails

Question

I have made my form:
<tbody>
<% #player.bases.each do |basis| %>
<td><%= basis.id %></td>
<td><%= image_tag(basis.image_url(:thumb), class: 'thumbnail') %></td>
<td><%= link_to basis.name, basis %></td>
<td><%= basis.cost %></td>
<td><%= basis.short_info %></td>
<td>
<%= form_for #player, url: {:controller => 'players', :action => :remove_detail} do |f| %>
<%= f.hidden_field :type, :value => 'basis' %>
<%= f.hidden_field :detail_id, :value => basis.id %>
<%= f.submit 'Remove',class: 'btn btn-danger' %>
<% end %>
</td>
<% end %>
</tbody>
In my routes, I have added this:
resources :players do
collection do
get 'search'
post 'remove_detail'
end
end
I have remove_detail in my players_controller.rb, and I have added this action to before_action to get current player. However when I press on my Remove button, it throws me error and tries to run update action of my controller. Why?
My before_action:
before_action :set_player, only: [:show, :edit, :update, :destroy, :remove_detail]
My remove_detail:
def remove_detail
type = params['type']
id = params['detail_id']
if type == 'basis'
basis = Basis.find(id)
name = basis.name
#player.bases.delete(basis)
end
redirect_to #player, notice: "#{name} detail is removed"
end

Answer 1

To fix that, try as follows:
First of all, I'd redefine your routes as follows:
resources :players do
member do
delete 'remove_detail'
end
collection do
get 'search'
end
end
This will generate proper url for deleting a detail for a "single Player":
/players/:id/remove_detail
Because of REST-y nature of Rails, we defined the url to be accessible by performing delete request.
Your form change accordingly:
<%= form_for #player, { url: { action: "remove_detail" }, method: :delete } do |f| %>
Changing your routes to use delete method is more to keep the convention of Rails. Post would make your application work too, but - its just Rails-y way.
Good luck!