You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: profiles_controller.rb
    path of file: ./repos/speakerinnen_liste/app/controllers
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class ProfilesController < ApplicationController
  include ProfilesHelper
  include CategoriesHelper
  include ActsAsTaggableOn::TagsHelper
  include SearchHelper

  before_action :set_profile, only: %i[show edit update destroy require_permission]

  before_action :require_permission, only: %i[edit destroy update]

  respond_to :json

  def index
    if params[:search]
      search_with_search_params
    elsif params[:category_id]
      search_with_category_id
    elsif params[:tag_filter]
      if params[:tag_filter].empty?
        redirect_to profiles_url(anchor: "top"), notice: I18n.t('flash.profiles.no_tags_selected')
        return
 
    
  def profile_params
    params.require(:profile).permit(
      :email,
      :password,
      :password_confirmation,
      :remember_me,
      :country,
      :state,
      { iso_languages: [] },
      :firstname,
      :lastname,
      :content,
      :name,
      :topic_list,
      :medialinks,
      :slug,
      :admin_comment,
      :main_topic_en,
      :main_topic_de,
      :bio_en,
      :bio_de,
      :twitter_de,
      :twitter_en,
      :website_de,
      :website_en,
      :website_2_de,
      :website_2_en,
      :website_3_de,
      :website_3_en,
      :profession_en,
      :profession_de,
      :city_de,
      :city_en,
      :image,
      :copyright,
      :personal_note_de,
      :personal_note_en,
      :willing_to_travel,
      :nonprofit,
      :inactive,
      feature_ids: [],
      service_ids: [],
      translations_attributes: %i[id bio main_topic twitter website profession city locale]
    )
  end