{% url 'products:list' as prod_list %}
{% url 'carts:home' as cart_url %}

<nav class="navbar navbar-expand-lg navbar-light bg-light mb-3">
  <div class="container">
  <a class="navbar-brand" href="/">{% if brand_name%} {{ brand_name}} {% else %} eCommerce {% endif %}</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>

  <div class="collapse navbar-collapse" id="navbarSupportedContent">
    <ul class="navbar-nav mr-auto">
      <li class="nav-item ">
        <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
      </li>

      <li class="nav-item {% if request.path == prod_list %}active{% endif %}">
        <a class="nav-link" href={{ prod_list }}>Products</a>
      </li>

      <li class="nav-item {% if request.path == cart_url %}active{% endif %}">
        <a class="nav-link" href={{ cart_url }}>{{ request.session.cart_items }} <i class="fas fa-shopping-cart"></i></a>
      </li>

      <li class="nav-item dropdown">
        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Dropdown
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
          <a class="dropdown-item" href="#">Action</a>
          <a class="dropdown-item" href="#">Another action</a>
          <div class="dropdown-divider"></div>
          <a class="dropdown-item" href="#">Something else here</a>
        </div>
      </li>
      <li class="nav-item">
          {% if request.user.is_authenticated %}
        <a class="nav-link" href="/admin/logout/">Logout</a>
        {% else %}
        <a class="nav-link" href="/admin/login/">Login</a>
        {% endif %}
      </li>
    </ul>
    <form class="form-inline my-2 my-lg-0">
      <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
      <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
    </form>
  </div>
    </div>
</nav>