Maybe/app/controllers/accounts_controller.rb

class AccountsController < ApplicationController
  before_action :set_account, only: %i[sync chart sparkline]

  def index
    @manual_accounts = family.accounts.manual.alphabetically
    @plaid_items = family.plaid_items.ordered

    render layout: "settings"
  end

  def sync
    unless @account.syncing?
      @account.sync_later
    end

    redirect_to account_path(@account)
  end

  def chart
    render layout: "application"
  end

  def sparkline
    render layout: false
  end

  def sync_all
    unless family.syncing?
      family.sync_later
    end

    redirect_to accounts_path
  end

  private
    def family
      Current.family
    end

    def set_account
      @account = family.accounts.find(params[:id])
    end
end