app/views/records/index.html.erb
<div class="panel-heading">
<div class="row">
<div class="col-sm-9">
<h2><%= t 'sensor.records' %> <small><%= t 'sensor.for_sensor', sensor_title: @sensor.title %></small></h2>
</div>
<div class="col-sm-3">
<%= link_to export_sensor_records_url(@sensor, format: 'csv', from: @from, to: @to), class: 'btn btn-block btn-primary pull-right' do %>
<i class="icon mdi-file-file-download"></i> <%= t 'sensor.export' %>
<%- end %>
</div>
</div>
</div>
<div class="panel-body">
<% if @records.empty? %>
<%= render 'sensors/no_records' %>
<% else %>
<table class="table table-striped">
<thead>
<tr>
<th><%= t 'sensor.timestamp' %></th>
<th><%= t 'sensor.value' %></th>
</tr>
</thead>
<tbody>
<% @records.each do |record| %>
<tr>
<td><%= l record.created_at, format: :full %></td>
<td><%= record.value %></td>
</tr>
<% end %>
</tbody>
</table>
<% end %>
</div>