Laravel One to Many example with Insurance and Vehicles

2022_01_31_103837_create_insurances_table.php

<?php

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

class CreateInsurancesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('insurances', function (Blueprint $table) {
            $table->id();
            $table->string('name')->unique();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('insurances');
    }
}

2022_01_31_104204_update_vehicles_add_insurance.php

<?php

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

class UpdateVehiclesAddInsurance extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('vehicles', function (Blueprint $table) {
            $table->unsignedBigInteger('insurance_id')->after('brand')->index();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('vehicles', function (Blueprint $table) {
            $table->removeColumn('insurance_id');
        });
    }
}

Insurance.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Insurance extends Model
{
    use HasFactory;

    protected $fillable = [
        'name',
    ];


    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function vehicles()
    {
        return $this->hasMany(Vehicle::class);
    }
}

Vehicle.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Vehicle extends Model
{
    use HasFactory;

    protected $fillable = [
        'vehicle_type',
        'brand',
        /** Everything you would need about a vehicle */
    ];

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasOne
     */
    public function license()
    {
        return $this->hasOne(License::class);
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function insurance()
    {
        return $this->belongsTo(Insurance::class);
    }
}