Add filtering functionality to inventory listing and enhance templates for better data presentation

templates/_table_fragment.html

@@ -1,4 +1,5 @@
 {% macro render_table(headers, rows, entry_route=None, title=None) %}
+{% if rows %}
 <div class="table-responsive">
     <table
         class="table table-bordered table-sm table-hover table-striped table-light m-0{% if title %} caption-top{% endif %}">
@@ -32,6 +33,9 @@
         </tbody>
     </table>
 </div>
+{% else %}
+<div class="container text-center">No data.</div>
+{% endif %}
 {% endmacro %}
 
 {% macro render_pagination(endpoint, page, has_prev, has_next, total_pages, page_variable='page', extra_args={}) %}
@@ -43,6 +47,7 @@
 {% set _ = next_args.update({page_variable: page + 1}) %}
 {% set _ = first_args.update({page_variable: 1}) %}
 {% set _ = last_args.update({page_variable: total_pages}) %}
+{% if total_pages > 1 %}
 
 <div class="d-flex justify-content-between pt-3 px-5 align-items-center">
     <div>
@@ -72,4 +77,5 @@
             class="btn btn-primary{% if not has_next %} disabled{% endif %}">Last &raquo;</a>
     </div>
 </div>
+{% endif %}
 {% endmacro %}