GiBiLogic "Elements" library

Often we find ourselves writing the same code for different projects, over and over again.

We got bored, so we decided to collect all these bits and pieces of code in ready-to-use packages.

Geocoding Element

This package contains useful classes for working with geographical coordinates.

It uses Google's geocoding service; you can find more informations on its official documentation.

Installation

Add this package to the composer.json of your application with the console command:

composer require gibilogic/element-geocoding

Or, if you are using the composer.phar version, use the console command:

php composer.phar require gibilogic/element-geocoding

Usage

Basics

Use the Point class to manage geographical points with latitude and longitude:

$milan = new Point(45.464161, 9.190336);
$rome = new Point(41.893056, 12.482778);

Use the Route class to manage relation between two points:

$route = new Route($milan, $rome);
$distance = $route->getDistance();

Route instances can also be compared by using the compareTo method:

$milanRomeRoute = new Route($milan, $rome);
$milanTurinRoute = new Route($milan, $turin);

$comparison = $milanRomeRoute->compareTo($milanTurinRoute);

Use the geocodeAddress method of the GoogleGeocodeService to get a Point instance from an address:

$point = $googleGeocodeService->geocodeAddress('via Aldo Moro 48, 25124 Brescia, Italy');

Advanced

Add and implement the GeocodeableInterface to existing classes:

class Address implements GeocodeableInterface
{
    protected $address;
    protected $zipCode;
    protected $city;
    protected $province;

    protected $latitude;
    protected $longitude;

    // ...

    public function getAddressForGeocoding()
    {
        return sprintf('%s, %s %s (%s), Italy',
            $this->address,
            $this->zipCode,
            $this->city,
            $this->province
        );
    }

    public function getCoordinates()
    {
        return new Point($this->latitude, $this->longitude);
    }

    public function setCoordinates(Point $point)
    {
        $this->latitude = $point->getLatitude();
        $this->longitude = $point->getLongitude();
    }
}

Then use the geocode method of the GoogleGeocodeService:

$point = $googleGeocodeService->geocode($address);

Contributions

You can contribute to the growth of this library in a lot of different ways:

• Create an issue about a bug or a feature you would like to see implemented
• Open pull requests about fixes, new features, tests, documentation, etc.
• Use the library and let us know ;)

License

See the attached license file.