[UPDATE] Added active workers to admin dashboard

* Using lower time range for shares: 120 seconds
* Updated worker class with new time range for active workers
* Added statistics, active users call with 120 seconds time range
* Updated admin panel dashboard template

Fixes #1352 once merged.

public/include/classes/statistics.class.php

@@ -920,6 +920,24 @@ class Statistics extends Base {
     }
     return round($pps_reward / (pow(2, $this->config['target_bits']) * $dDifficulty), 12);
   }
+
+  /**
+   * Get all currently active users in the past 2 minutes
+   * @param interval int Time in seconds to fetch shares from
+   * @return data mixed int count if any users are active, false otherwise
+   **/
+  public function getCountAllActiveUsers($interval=120) {
+    $this->debug->append("STA " . __METHOD__, 4);
+    if ($data = $this->memcache->get(__FUNCTION__)) return $data;
+    $stmt = $this->mysqli->prepare("
+      SELECT COUNT(DISTINCT(SUBSTRING_INDEX( `username` , '.', 1 ))) AS total
+      FROM "  . $this->share->getTableName() . "
+      WHERE our_result = 'Y'
+      AND time > DATE_SUB(now(), INTERVAL ? SECOND)");
+    if ($this->checkStmt($stmt) && $stmt->bind_param('i', $interval) && $stmt->execute() && $result = $stmt->get_result())
+      return $this->memcache->setCache(__FUNCTION__, $result->fetch_object()->total);
+    return $this->sqlError();
+  }
 }
 
 $statistics = new Statistics();

public/include/classes/worker.class.php

@@ -198,19 +198,19 @@ class Worker extends Base {
   }
 
   /**
-   * Get all currently active workers in the past 10 minutes
+   * Get all currently active workers in the past 2 minutes
    * @param none
    * @return data mixed int count if any workers are active, false otherwise
    **/
-  public function getCountAllActiveWorkers() {
+  public function getCountAllActiveWorkers($interval=120) {
     $this->debug->append("STA " . __METHOD__, 4);
     if ($data = $this->memcache->get(__FUNCTION__)) return $data;
     $stmt = $this->mysqli->prepare("
       SELECT COUNT(DISTINCT(username)) AS total
       FROM "  . $this->share->getTableName() . "
       WHERE our_result = 'Y'
-      AND time > DATE_SUB(now(), INTERVAL 10 MINUTE)");
+      AND time > DATE_SUB(now(), INTERVAL ? SECOND)");
-    if ($this->checkStmt($stmt) && $stmt->execute() && $result = $stmt->get_result())
+    if ($this->checkStmt($stmt) && $stmt->bind_param('i', $interval) && $stmt->execute() && $result = $stmt->get_result())
       return $this->memcache->setCache(__FUNCTION__, $result->fetch_object()->total);
     return $this->sqlError();
   }

public/include/pages/admin/dashboard.inc.php

@@ -39,6 +39,7 @@ $smarty->assign('CRON_DISABLED', $cron_disabled);
 // Fetch user information
 $aUserInfo = array(
   'total' => $user->getCount(),
+  'active' => $statistics->getCountAllActiveUsers(),
   'locked' => $user->getCountFiltered('is_locked', 1),
   'admins' => $user->getCountFiltered('is_admin', 1),
   'nofees' => $user->getCountFiltered('no_fees', 1)

public/templates/mpos/admin/dashboard/default.tpl

@@ -41,6 +41,7 @@
     <thead>
       <tr>
         <th align="center">Total</th>
+        <th align="center">Active</th>
         <th align="center">Locked</th>
         <th align="center">Admins</th>
         <th align="center">No Fees</th>
@@ -49,6 +50,7 @@
     <tbody>
       <tr>
         <td align="center">{$USER_INFO.total}</td>
+        <td align="center">{$USER_INFO.active}</td>
         <td align="center">{$USER_INFO.locked}</td>
         <td align="center">{$USER_INFO.admins}</td>
         <td align="center">{$USER_INFO.nofees}</td>