silverstripe / deploynaut

		// check for specific permission depending on the current state of the deployment:

		// submitted => approved requires approval permissions

		// new => approved requires bypass permissions.

		if (

			$deployment->State === DNDeployment::STATE_SUBMITTED

			&& !$this->project->allowed(self::ALLOW_APPROVAL, Member::currentUser())

		) {

			return $this->getAPIResponse(['message' => 'You are not authorised to approve this deployment'], 403);

		}

		if (

			$deployment->State === DNDeployment::STATE_NEW

			&& !$this->project->allowed(self::ALLOW_APPROVAL_BYPASS, Member::currentUser())

		) {

			return $this->getAPIResponse(['message' => 'You are not authorised to approve this deployment'], 403);

		}

		if (

			$deployment->State === DNDeployment::STATE_NEW

			&& !$this->project->allowed(self::ALLOW_APPROVAL_BYPASS, Member::currentUser())

		) {

			return $this->getAPIResponse(['message' => 'You are not authorised to bypass approval of this deployment'], 403);

		}

		try {

			$deployment->getMachine()->apply(DNDeployment::TR_APPROVE);

			return $errorResponse;

		}

		// reject permissions are the same as can approve

		if (!$this->project->allowed(self::ALLOW_APPROVAL, Member::currentUser())) {

			return $this->getAPIResponse(['message' => 'You are not authorised to reject this deployment'], 403);

		}

		try {

			$deployment->getMachine()->apply(DNDeployment::TR_REJECT);