Make the code of error message more specific

Signed-off-by: Vitor Mattos <vitor@php.rio>

docs/recording.md

@@ -18,7 +18,7 @@
         + `200 OK`
         + `400 Bad Request` Message: `status`. When the status to start is invalid.
         + `400 Bad Request` Message: `config`. Need to enable the config `recording`.
-        + `400 Bad Request` Message: `room`. Already have a recording in progress.
+        + `400 Bad Request` Message: `recording`. Already have a recording in progress.
         + `400 Bad Request` Message: `call`. Call is not activated.
         + `403 Forbidden` When the user is not a moderator/owner.
         + `412 Precondition Failed` When the lobby is active and the user is not a moderator.
@@ -33,7 +33,7 @@
     - Status code:
         + `200 OK`
         + `400 Bad Request` Message: `config`. Need to enable the config `recording`.
-        + `400 Bad Request` Message: `room`. Recording has already been stopped.
+        + `400 Bad Request` Message: `recording`. Recording has already been stopped.
         + `400 Bad Request` Message: `call`. Call is not activated.
         + `403 Forbidden` When the user is not a moderator/owner.
         + `412 Precondition Failed` When the lobby is active and the user is not a moderator.

lib/Service/RoomService.php

@@ -372,7 +372,7 @@ class RoomService {
 			throw new InvalidArgumentException('status');
 		}
 		if ($room->getCallRecording() !== Room::RECORDING_NONE) {
-			throw new InvalidArgumentException('room');
+			throw new InvalidArgumentException('recording');
 		}
 		if (!$room->getActiveSince() instanceof \DateTimeInterface) {
 			throw new InvalidArgumentException('call');
@@ -382,7 +382,7 @@ class RoomService {
 
 	public function stopRecording(Room $room): bool {
 		if ($room->getCallRecording() === Room::RECORDING_NONE) {
-			throw new InvalidArgumentException('room');
+			throw new InvalidArgumentException('recording');
 		}
 		return $this->setCallRecording($room);
 	}