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<?php
namespace JsonApi\Routes\Consultations;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\ConflictException;
use JsonApi\JsonApiController;
use JsonApi\Routes\ValidationTrait;
use JsonApi\Schemas\ConsultationSlot;
use JsonApi\Schemas\User;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
class BookingsCreate extends JsonApiController
{
use ValidationTrait;
public function __invoke(Request $request, Response $response, $args)
{
$json = $this->validate($request, $args);
$slot = $this->getBookingSlot($json, $args);
$user = $this->getUser($request);
$booking_user = $this->getBookingUser($json);
if (!Authority::canBookSlotForUser($user, $slot, $booking_user)) {
throw new AuthorizationFailedException();
}
if ($slot->isOccupied()) {
throw new ConflictException('The slot is already occupied');
}
if (!$slot->userMayCreateBookingForSlot($booking_user)) {
throw new ConflictException('The slot is locked for bookings');
}
$booking = \ConsultationBooking::create([
'slot_id' => $slot->id,
'user_id' => $booking_user->id,
'reason' => self::arrayGet($json, 'data.attributes.reason', ''),
]);
return $this->getCreatedResponse($booking);
}
protected function validateResourceDocument($json, $data)
{
$user_validation_error = $this->validateRequestContainsValidUser($json, $data);
$slot_validation_error = $this->validateRequestContainsValidSlot($json, $data);
return $user_validation_error ?? $slot_validation_error;
}
protected function validateRequestContainsValidUser($json, $data)
{
if (!self::arrayHas($json, 'data.relationships.user')) {
return 'No user relationship defined for booking';
}
$booking_user = self::arrayGet($json, 'data.relationships.user');
if (!isset($booking_user['data']['type'], $booking_user['data']['id']) || $booking_user['data']['type'] !== User::TYPE) {
return 'Defined booking user has invalid format.';
}
if (!\User::exists($booking_user['data']['id'])) {
return 'Defined booking user does not exist.';
}
return null;
}
protected function validateRequestContainsValidSlot($json, $data)
{
if (isset($data['id']) && \ConsultationSlot::exists($data['id'])) {
return null;
}
if (!self::arrayHas($json, 'data.relationships.slot')) {
return 'No slot relationship defined for booking';
}
$booking_slot = self::arrayGet($json, 'data.relationships.slot');
if (!isset($booking_slot['data']['type'], $booking_slot['data']['id']) || $booking_slot['data']['type'] !== ConsultationSlot::TYPE) {
return 'Defined slot for booking has invalid format.';
}
if (!\ConsultationSlot::exists($booking_slot['data']['id'])) {
return 'Defined slot for booking does not exist.';
}
return null;
}
protected function getBookingUser($json): \User
{
$user_id = self::arrayGet($json, 'data.relationships.user.data.id');
return \User::find($user_id);
}
protected function getBookingSlot($json, $data): \ConsultationSlot
{
$slot_id = self::arrayGet($json, 'data.relationships.slot.data.id', $data['id'] ?? null);
return \ConsultationSlot::find($slot_id);
}
}
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