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MatanYadaev/laravel-eloquent-spatial

MatanYadaev/laravel-eloquent-spatial

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Last Updated: 2023-07-06 14:41:45

#laravel #eloquent #spatial #php

Laravel Eloquent spatial package.

License: MIT License

Languages: PHP

Laravel Eloquent Spatial

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This Laravel package allows you to easily work with spatial data types and functions.

The latest version, v3, supports Laravel 10 and PHP 8.1+. For Laravel 8 or 9, and PHP 8.0, use v2.

This package supports MySQL v8, MySQL v5.7, and MariaDB v10.

Getting Started

Installing the Package

You can install the package via composer:

composer require matanyadaev/laravel-eloquent-spatial

Setting Up Your First Model

  1. First, generate a new model along with a migration file by running:

    php artisan make:model {modelName} --migration

  2. Next, add some spatial columns to the migration file. For instance, to create a "places" table:

    use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;

class CreatePlacesTable extends Migration
{
    public function up(): void
    {
        Schema::create('places', static function (Blueprint $table) {
            $table->id();
            $table->string('name')->unique();
            $table->point('location')->nullable();
            $table->polygon('area')->nullable();
            $table->timestamps();
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('places');
    }
}

  3. Run the migration:

    php artisan migrate

  4. In your new model, fill the $fillable and $casts arrays and use the HasSpatial trait:

    namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use MatanYadaev\EloquentSpatial\SpatialBuilder;
use MatanYadaev\EloquentSpatial\Objects\Point;
use MatanYadaev\EloquentSpatial\Objects\Polygon;
use MatanYadaev\EloquentSpatial\Traits\HasSpatial;

/**
 * @property Point $location
 * @property Polygon $area
 * @method static SpatialBuilder query()
 */
class Place extends Model
{
    use HasSpatial;

    protected $fillable = [
        'name',
        'location',
        'area',
    ];

    protected $casts = [
        'location' => Point::class,
        'area' => Polygon::class,
    ];
}

Interacting with Spatial Data

After setting up your model, you can now create and access spatial data. Here's an example:

use App\Models\Place;
use MatanYadaev\EloquentSpatial\Objects\Polygon;
use MatanYadaev\EloquentSpatial\Objects\LineString;
use MatanYadaev\EloquentSpatial\Objects\Point;
use MatanYadaev\EloquentSpatial\Enums\Srid;

// Create new records

$londonEye = Place::create([
    'name' => 'London Eye',
    'location' => new Point(51.5032973, -0.1217424),
]);

$whiteHouse = Place::create([
    'name' => 'White House',
    'location' => new Point(38.8976763, -77.0365298, Srid::WGS84->value), // with SRID
]);

$vaticanCity = Place::create([
    'name' => 'Vatican City',
    'area' => new Polygon([
        new LineString([
              new Point(12.455363273620605, 41.90746728266806),
              new Point(12.450309991836548, 41.906636872349075),
              new Point(12.445632219314575, 41.90197359839437),
              new Point(12.447413206100464, 41.90027269624499),
              new Point(12.457906007766724, 41.90000118654431),
              new Point(12.458517551422117, 41.90281205461268),
              new Point(12.457584142684937, 41.903107507989986),
              new Point(12.457734346389769, 41.905918239316286),
              new Point(12.45572805404663, 41.90637337450963),
              new Point(12.455363273620605, 41.90746728266806),
        ]),
    ]),
])

// Access the data

echo $londonEye->location->latitude; // 51.5032973
echo $londonEye->location->longitude; // -0.1217424

echo $whiteHouse->location->srid; // 4326

echo $vacationCity->area->toJson(); // {"type":"Polygon","coordinates":[[[41.90746728266806,12.455363273620605],[41.906636872349075,12.450309991836548],[41.90197359839437,12.445632219314575],[41.90027269624499,12.447413206100464],[41.90000118654431,12.457906007766724],[41.90281205461268,12.458517551422117],[41.903107507989986,12.457584142684937],[41.905918239316286,12.457734346389769],[41.90637337450963,12.45572805404663],[41.90746728266806,12.455363273620605]]]}

Further Reading

For more comprehensive documentation on the API, please refer to the API page.

Tips for Improving IDE Support

In order to get better IDE support, you can add a query method phpDoc annotation to your model:

/**
 * @method static SpatialBuilder query()
 */
class Place extends Model
{
    // ...
}

Or you could override the method:

class Place extends Model
{
    public static function query(): SpatialBuilder
    {
        return parent::query();
    }
}

Create queries only with the query() static method:

Place::query()->whereDistance(...); // This is IDE-friendly
Place::whereDistance(...); // This is not

Extension

You can add new methods to the Geometry class through macros.

Here's an example of how to register a macro in your service provider's boot method:

class AppServiceProvider extends ServiceProvider
{
    public function boot(): void
    {
        Geometry::macro('getName', function (): string {
            /** @var Geometry $this */
            return class_basename($this);
        });
    }
}

Use the method in your code:

$londonEyePoint = new Point(51.5032973, -0.1217424);

echo $londonEyePoint->getName(); // Point

Development

Here are some useful commands for development:

  • Run tests: composer pest
  • Run tests with coverage: composer pest-coverage
  • Perform type checking: composer phpstan
  • Format your code: composer php-cs-fixer

Updates and Changes

For details on updates and changes, please refer to our CHANGELOG.

License

Laravel Eloquent Spatial is released under The MIT License (MIT). For more information, please see our License File.

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