```ruby
class Extranet::CaseFilesController < ApplicationController
  before_action :set_case

  
  def destroy
    remove_image_at_index(params[:id].to_i)
    flash[:error] = "Failed deleting file" unless @case.save
    redirect_to :back   
  end

  private
  
  def set_case
   #raise params.inspect
   @case = Case.find(params[:case_id])
  end
  
  def remove_image_at_index(index)
	if @case.files.count == 1
		@case.remove_files = true
    else
		remain_files = @case.files
		#raise remain_files.inspect
		delete_file = remain_files.delete_at(index)
		raise remain_files.inspect
		delete_file.try(:remove!)
		@case.files = remain_files;
	end
  end

  def files_params
    params.fetch(:case, {}).permit({files: []})
  end

end
```

Remove inspector on case file controller (with Anna)
user
```ruby
class Extranet::CaseFilesController < ApplicationController
  before_action :set_case

  
  def destroy
    remove_image_at_index(params[:id].to_i)
    flash[:error] = "Failed deleting file" unless @case.save
    redirect_to :back   
  end

  private
  
  def set_case
   #raise params.inspect
   @case = Case.find(params[:case_id])
  end
  
  def remove_image_at_index(index)
	if @case.files.count == 1
		@case.remove_files = true
    else
		remain_files = @case.files
		#raise remain_files.inspect
		delete_file = remain_files.delete_at(index)
		#raise remain_files.inspect
		delete_file.try(:remove!)
		@case.files = remain_files;
	end
  end

  def files_params
    params.fetch(:case, {}).permit({files: []})
  end

end
```
assistant