app/views/layouts/_sidebar.html.erb
<aside class="main-sidebar">
<!-- sidebar: style can be found in sidebar.less -->
<section class="sidebar">
<!-- Sidebar user panel -->
<div class="user-panel">
<div class="pull-left image">
<%= image_tag "AdminLTE/user1-128x128.jpg", class:"img-circle", alt:"User Image" %>
<!-- <img src="assets/AdminLTE/user.png" class="img-circle" alt="User Image"> -->
</div>
<div class="pull-left info">
<p><%= current_user.decorate.name %></p>
<a href="#"><i class="fa fa-circle text-success"></i> Online</a>
</div>
</div>
<!-- search form -->
<form action="#" method="get" class="sidebar-form">
<div class="input-group">
<input type="text" name="q" class="form-control" placeholder="Search...">
<span class="input-group-btn">
<button type="submit" name="search" id="search-btn" class="btn btn-flat"><i class="fa fa-search"></i>
</button>
</span>
</div>
</form>
<!-- /.search form -->
<!-- sidebar menu: : style can be found in sidebar.less -->
<ul class="sidebar-menu" data-widget="tree">
<li class="header">MAIN NAVIGATION</li>
<li class="<%= params["controller"] == "pages" and params["action"] == "dashboard" ? "active" : ""%>">
<a href="<%= dashboard_path %>">
<i class="fa fa-dashboard"></i>
<span> Dashboard </span>
</a>
</li>
<li class="<%= params["controller"] == "users" ? "active" : ""%>">
<a href="<%= users_path %>">
<i class="fa fa-users"></i>
<span> Users </span>
</a>
</li>
<li class="<%= params["controller"] == "products" ? "active" : ""%>">
<a href="<%= products_path %>">
<i class="fa fa-circle"></i>
<span> Products </span>
</a>
</li>
<li class="<%= params["controller"] == "customers" ? "active" : ""%>">
<a href="<%= customers_path %>">
<i class="fa fa-users"></i>
<span> Customers </span>
</a>
</li>
<li class="<%= params["controller"] == "invoices" ? "active" : ""%>">
<a href="<%= invoices_path %>">
<i class="fa fa-briefcase"></i>
<span> Invoices </span>
</a>
</li>
<li class="<%= params["controller"] == "roles" ? "active" : ""%>">
<a href="<%= roles_path %>">
<i class="fa fa-circle"></i>
<span> Roles </span>
</a>
</li>
<li class="<%= params["controller"] == "categories" ? "active" : ""%>">
<a href="<%= categories_path %>">
<i class="fa fa-circle"></i>
<span> Categories </span>
</a>
</li>
</ul>
</section>
<!-- /.sidebar -->
</aside>
<div class="control-sidebar-bg"></div>