stock aggregate table

app/setting/gl_maintenance.php

@@ -61,6 +61,13 @@
                     <td class="text-muted small">Next run</td>
                     <td id="stat_next_run">—</td>
                   </tr>
+                  <tr><td colspan="2"><hr class="my-2"></td></tr>
+                  <tr>
+                    <td class="text-muted small">Current gaps</td>
+                    <td id="stat_current_gaps">
+                      <span class="spinner-border spinner-border-sm text-secondary"></span>
+                    </td>
+                  </tr>
                 </tbody>
               </table>
             </div>
@@ -162,6 +169,7 @@
                   btn.prop('disabled', false);
                 });
                 load_status();
+                load_current_gaps();
                 return;
               }
 
@@ -187,7 +195,26 @@
     });
   });
 
+  function load_current_gaps() {
+    ajax_request({
+      url: server_url + 'setting/api/engine/gl_maintenance.php',
+      autoPrepare: true, checkRequired: 0, noLoading: true, queueLock: false, action: 'get_current_gaps',
+      onSuccess: function(res) {
+        var n = res.output.current_gaps;
+        $('#stat_current_gaps').html(
+          n === 0
+            ? '<span class="badge bg-success-subtle text-success">0 — up to date</span>'
+            : '<span class="badge bg-warning-subtle text-warning">' + n + ' period(s) need repair</span>'
+        );
+      },
+      onError: function() {
+        $('#stat_current_gaps').text('—');
+      }
+    });
+  }
+
   load_status();
+  load_current_gaps();
   </script>
 
 </body>