app/views/labware/_metadata.html.erb
<div id="metadata-table-container" class='card'>
<div class='card-header'>
<a href='#metadata-table-collapser' role="button" data-toggle='collapse'>
<h3 class='card-title'>Metadata
<small class='show-hide'>Click to toggle</small>
</h3>
</a>
</div>
<div id="metadata-table-collapser" class="collapse in show">
<% if asset.custom_metadatum_collection.present?%>
<table id="metadata-table" class="sortable table striped">
<colgroup>
<col class="npg_aliquot_index">
</colgroup>
<thead>
<tr>
<th>Key</th>
<th>Value</th>
</tr>
</thead>
<tbody>
<% asset.metadata.each do |k, v| %>
<tr>
<td><%= k %></td>
<td><%= v %></td>
</tr>
<% end %>
</tbody>
</table>
<% else %>
<div class="card-body">There is no metadata stored for this asset.</div>
<% end %>
</div>
</div>