Restore metrics --interval option

src/Command/Metrics/MetricsCommandBase.php

@@ -264,8 +264,6 @@ protected function getChooseEnvFilter(): ?callable
      */
     protected function validateTimeInput(InputInterface $input): false|TimeSpec
     {
-        $this->io->warnAboutDeprecatedOptions(['interval']);
-
         if ($to = $input->getOption('to')) {
             $endTime = \strtotime((string) $to);
             if (!$endTime) {
@@ -293,8 +291,25 @@ protected function validateTimeInput(InputInterface $input): false|TimeSpec
         }
 
         $startTime = $endTime - $rangeSeconds;
+        $interval = null;
+
+        if ($intervalString = $input->getOption('interval')) {
+            $interval = (int) (new Duration())->toSeconds($intervalString);
+
+            if (empty($interval)) {
+                $this->stdErr->writeln('Invalid --range: <error>' . $intervalString . '</error>');
+
+                return false;
+            }
+
+            if ($interval > $endTime - $startTime) {
+                $this->stdErr->writeln(\sprintf('The --interval <error>%s</error> is invalid. It cannot be greater than the selected time range', $intervalString));
+
+                return false;
+            }
+        }
 
-        return new TimeSpec($startTime, $endTime);
+        return new TimeSpec($startTime, $endTime, $interval);
     }
 
     /**

src/Model/Metrics/Query.php

@@ -19,11 +19,12 @@ final class Query
     public function __construct(
         private int $startTime,
         private int $endTime,
+        private ?int $interval,
     ) {}
 
     public static function fromTimeSpec(TimeSpec $timeSpec): self
     {
-        return new self($timeSpec->getStartTime(), $timeSpec->getEndTime());
+        return new self($timeSpec->getStartTime(), $timeSpec->getEndTime(), $timeSpec->getInterval());
     }
 
     /** @param array<String>|null $services */
@@ -58,6 +59,10 @@ public function asArray(): array
             'to' => $this->endTime,
         ];
 
+        if (null !== $this->interval) {
+            $query['grain'] = $this->interval;
+        }
+
         if (!empty($this->services)) {
             $query['services_mode'] = '1';
             $query['services'] = $this->services;

src/Model/Metrics/TimeSpec.php

@@ -10,7 +10,11 @@
      * @param int $startTime start time (UNIX timestamp)
      * @param int $endTime   end time (UNIX timestamp)
      */
-    public function __construct(private int $startTime, private int $endTime) {}
+    public function __construct(
+        private int $startTime,
+        private int $endTime,
+        private ?int $interval,
+    ) {}
 
     public function getStartTime(): int
     {
@@ -21,4 +25,9 @@ public function getEndTime(): int
     {
         return $this->endTime;
     }
+
+    public function getInterval(): ?int
+    {
+        return $this->interval;
+    }
 }