Change pihole status in api_FTL.php (#2059)

Using "pihole status web" info

Signed-off-by: rdwebdesign <github@rdwebdesign.com.br>

scripts/pi-hole/php/func.php

@@ -483,4 +483,31 @@ function getQueryTypeStr($querytype)
         return "TYPE".($qtype - 100);
 }
 
+// Returns an integer representing pihole blocking status
+function piholeStatus()
+{
+    // Receive the return of "pihole status web"
+    $pistatus = pihole_execute('status web');
+    return isset($pistatus[0]) ? intval($pistatus[0]) : -2;
+}
+
+// Returns pihole status, using only valid API responses (enabled/disabled)
+function piholeStatusAPI()
+{
+    // Receive the return of "pihole status web"
+    $pistatus = piholeStatus();
+
+    switch ($pistatus) {
+        case -2: // Unkown
+        case -1: // DNS service not running"
+        case 0: // Offline
+            $response = "disabled";
+            break;
+
+        default:
+            // DNS service running on port $returncode
+            $response = "enabled";
+    }
+    return $response;
+}
 ?>