*/ protected Collection $geometries; protected string $collectionOf = Geometry::class; protected int $minimumGeometries = 0; /** * @param Collection|array $geometries * @param int $srid * * @throws InvalidArgumentException */ public function __construct(Collection|array $geometries, int $srid = 0) { if (is_array($geometries)) { $geometries = collect($geometries); } $this->geometries = $geometries; $this->srid = $srid; $this->validateGeometriesType(); $this->validateGeometriesCount(); } public function toWkt(): string { $wktData = $this->getWktData(); return "GEOMETRYCOLLECTION({$wktData})"; } public function getWktData(): string { return $this->geometries ->map(static function (Geometry $geometry): string { return $geometry->toWkt(); }) ->join(', '); } /** * @return array */ public function getCoordinates(): array { return $this->geometries ->map(static function (Geometry $geometry): array { return $geometry->getCoordinates(); }) ->all(); } /** * @return array */ public function toArray(): array { if ($this->isExtended()) { return parent::toArray(); } return [ 'type' => class_basename(static::class), 'geometries' => $this->geometries->map(static function (Geometry $geometry): array { return $geometry->toArray(); }), ]; } /** * @return Collection */ public function getGeometries(): Collection { return new Collection($this->geometries->all()); } /** * @param int $offset * @return bool */ public function offsetExists($offset): bool { return isset($this->geometries[$offset]); } /** * @param int $offset * @return Geometry */ public function offsetGet($offset): Geometry { // @phpstan-ignore-next-line return $this->geometries[$offset]; } /** * @param int $offset * @param Geometry $value */ public function offsetSet($offset, $value): void { $this->geometries[$offset] = $value; $this->validateGeometriesType(); } /** * @param int $offset */ public function offsetUnset($offset): void { $this->geometries->splice($offset, 1); $this->validateGeometriesCount(); } /** * @throws InvalidArgumentException */ protected function validateGeometriesCount(): void { $geometriesCount = $this->geometries->count(); if ($geometriesCount < $this->minimumGeometries) { throw new InvalidArgumentException( sprintf( '%s must contain at least %s %s', static::class, $this->minimumGeometries, Str::plural('entries', $geometriesCount) ) ); } } /** * @throws InvalidArgumentException */ protected function validateGeometriesType(): void { $this->geometries->each(function (mixed $geometry): void { /** @var mixed $geometry */ if (! is_object($geometry) || ! ($geometry instanceof $this->collectionOf)) { throw new InvalidArgumentException( sprintf('%s must be a collection of %s', static::class, $this->collectionOf) ); } }); } /** * Checks whether the class is used directly or via a sub-class. * * @return bool */ private function isExtended(): bool { return is_subclass_of(static::class, self::class); } }