Fix #53

Author: RobiNN1

composer.json

@@ -35,6 +35,7 @@
   "suggest": {
     "ext-apcu": "Required for the APCu dashboard.",
     "ext-redis": "Required for use the Redis dashboard.",
+    "ext-sqlite3": "Required for metrics.",
     "ext-zend-opcache": "Required for use the OPCache dashboard.",
     "ext-zlib": "Required for encoding/decoding with gz* functions.",
     "predis/predis": "Required for use the Redis dashboard, when Redis extension is not installed."

src/Dashboards/Memcached/MemcachedTrait.php

@@ -8,6 +8,7 @@
 
 namespace RobiNN\Pca\Dashboards\Memcached;
 
+use PDO;
 use RobiNN\Pca\Config;
 use RobiNN\Pca\Format;
 use RobiNN\Pca\Helpers;
@@ -485,6 +486,19 @@ private function items(): string {
         return $this->template->render('dashboards/memcached/memcached', ['items' => $items]);
     }
 
+    private function metrics(): string {
+        if (!in_array('sqlite', PDO::getAvailableDrivers(), true)) {
+            return $this->template->render('components/tabs', [
+                    'links' => [
+                        'keys' => 'Keys', 'commands_stats' => 'Commands Stats', 'slabs' => 'Slabs', 'items' => 'Items', 'metrics' => 'Metrics',
+                    ],
+                ]).
+                'Metrics are disabled because the PDO SQLite driver is not available. Install the sqlite3 extension for PHP.';
+        }
+
+        return $this->template->render('dashboards/memcached/memcached');
+    }
+
     /**
      * @throws MemcachedException
      */
@@ -508,6 +522,10 @@ private function mainDashboard(): string {
             return $this->items();
         }
 
+        if (Http::get('tab') === 'metrics') {
+            return $this->metrics();
+        }
+
         $keys = $this->getAllKeys();
 
         if (isset($_GET['export_btn'])) {

src/Dashboards/Redis/RedisTrait.php

@@ -10,6 +10,7 @@
 
 use Exception;
 use JsonException;
+use PDO;
 use Predis\Client as Predis;
 use RobiNN\Pca\Config;
 use RobiNN\Pca\Dashboards\DashboardException;
@@ -572,7 +573,7 @@ private function dbSelect(): string {
      */
     private function slowlog(): string {
         if (!$this->isCommandSupported('SLOWLOG')) {
-            return $this->template->render('components/tabs', ['links' => ['keys' => 'Keys', 'slowlog' => 'Slow Log',],]).
+            return $this->template->render('components/tabs', ['links' => ['keys' => 'Keys', 'slowlog' => 'Slow Log',]]).
                 'Slowlog is disabled on your server.';
         }
 
@@ -600,6 +601,15 @@ private function slowlog(): string {
         ]);
     }
 
+    private function metrics(): string {
+        if (!in_array('sqlite', PDO::getAvailableDrivers(), true)) {
+            return $this->template->render('components/tabs', ['links' => ['keys' => 'Keys', 'slowlog' => 'Slow Log',]]).
+                'Metrics are disabled because the PDO SQLite driver is not available. Install the sqlite3 extension for PHP.';
+        }
+
+        return $this->template->render('dashboards/redis/redis');
+    }
+
     /**
      * @throws Exception
      */
@@ -621,6 +631,10 @@ function (string $key, string $value, int $ttl): bool {
             return $this->slowlog();
         }
 
+        if (Http::get('tab') === 'metrics') {
+            return $this->metrics();
+        }
+
         $keys = $this->getAllKeys();
 
         if (isset($_GET['export_btn'])) {