app/templates/base.html (50 lines of code) (raw):
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{% block title %}{% endblock %}</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.7.2/css/bulma.min.css">
<script defer src="https://use.fontawesome.com/releases/v5.3.1/js/all.js"></script>
<script src="https://www.gstatic.com/firebasejs/5.7.0/firebase.js"></script>
<script src="/static/initFirebase.js"></script>
<script src="/static/signInOutWithGoogle.js"></script>
<script src="/static/utilities.js"></script>
{% block head_extension %}
{% endblock %}
</head>
<body>
<nav class="navbar has-background-dark">
<div class="navbar-menu">
<div class="navbar-start">
<a class="navbar-item has-text-light" href="/">Serverless Store</a>
</div>
{% block navbar_end %}
<div class="navbar-end">
{% if auth_context %}
<div class="navbar-item">
<a id="username" class="has-text-white">{{ auth_context.get('username') }} ({{ auth_context.get('email') }})</a>
</div>
<div class="navbar-item">
<a id="cart" class="has-text-white" href="/cart"><i class="fas fa-shopping-cart"></i></a>
</div>
<div class="navbar-item">
<a id="sign-out-control" class="has-text-white" onclick="signOutWithGoogle()"><i class="fas fa-sign-out-alt"></i></a>
</div>
<div class="navbar-item">
<div class="buttons">
<a class="button is-primary has-background-info" href="/sell"><strong>Sell on SHS</strong></a>
</div>
</div>
{% else %}
<div class="navbar-item">
<a id="sign-in-control" class="has-text-white" href="/signin">Sign in with <i class="fab fa-google"></i></a>
</div>
{% endif %}
</div>
{% endblock %}
</div>
</nav>
{% block content %}{% endblock %}
</body>
</html>