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path: root/app/controllers/related_assets_controller.rb
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class RelatedAssetsController < ApplicationController
  include PinnedToDefaultLocale

  before_action :login_required
  before_action :find_node

  rescue_from LockedByAnotherUser do
    head :locked
  end

  def search
    term = params[:search_term].to_s.strip
    attached_ids = @node.editable_page.related_assets.pluck(:asset_id)
    scope = Asset.headline_eligible.where.not(id: attached_ids)

    results = if term.present?
      scope.where("name ILIKE :term OR upload_file_name ILIKE :term", term: "%#{term}%").limit(10)
    else
      scope.order(created_at: :desc).limit(5)
    end

    render json: results.map { |a|
      { id: a.id, name: a.name, thumb_url: a.upload.url(:thumb) }
    }
  end

  def create
    page  = @node.ensure_autosave!(current_user)
    asset = Asset.find(params[:asset_id])
    related = page.related_assets.find_or_create_by!(asset: asset)

    render json: {
      id: related.id,
      asset_id: asset.id,
      name: asset.name,
      has_credit: asset.show_credit?,
      thumb_url: asset.upload.url(:thumb),
      large_url: asset.upload.url(:large),
      original_url: asset.upload.url,
      url: node_related_asset_path(@node, related)
    }
  end

  def destroy
    page   = @node.ensure_autosave!(current_user)
    source = RelatedAsset.find(params[:id])
    page.related_assets.find_by!(:asset_id => source.asset_id).destroy
    head :ok
  end

  def update
    page    = @node.ensure_autosave!(current_user)
    source  = RelatedAsset.find(params[:id])
    related = page.related_assets.find_by!(:asset_id => source.asset_id)

    if params.key?(:headline)
      RelatedAsset.transaction do
        page.related_assets.update_all(headline: false)
        related.update!(headline: true) if params[:headline] == "true"
      end
    else
      related.insert_at(params[:position].to_i)
    end
    head :ok
  end

  private

    def find_node
      @node = Node.find(params[:node_id])
    end
end