app/controllers/posts/thumbnails_controller.rb


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# frozen_string_literal: true
class Posts::ThumbnailsController < ApplicationController
  def update
    @post = Post.find(params[:post_id])

    authorize! :update_thumbnail, @post

    if params[:thumbnail_id].present?
      @thumbnail = Post.find_by(id: params[:thumbnail_id])

      unless @thumbnail
        render partial: 'posts/thumbnail_container_inner', locals: { has_thumbnail: false, can_edit_thumbnail: true, error: 'Thumbnail not found!' }, layout: false
        return
      end

      authorize! :read, @thumbnail
    else
      @thumbnail = nil
    end

    @post.update(thumbnail: @thumbnail, updated_at: Time.zone.now)

    render partial: 'posts/thumbnail_container_inner', locals: { has_thumbnail: @thumbnail.present?, can_edit_thumbnail: true, no_hide: true }, layout: false
  end
end