demarches-normaliennes/app/controllers/champs/piece_justificative_controller.rb

class Champs::PieceJustificativeController < Champs::ChampController
  def show
    respond_to do |format|
      format.turbo_stream
      format.html { redirect_back(fallback_location: root_url) }
    end
  end

  def update
    if attach_piece_justificative
      render :show
    else
      render json: { errors: @champ.errors.full_messages }, status: 422
    end
  end

  def template
    redirect_to @champ.type_de_champ.piece_justificative_template.blob
  end

  private

  def attach_piece_justificative
    save_succeed = nil

    ActiveStorage::Attachment.transaction do
      @champ.piece_justificative_file.attach(params[:blob_signed_id])
      save_succeed = @champ.save
    end

    @champ.dossier.update(last_champ_updated_at: Time.zone.now.utc) if save_succeed

    save_succeed
  end
end