Extends Laravel's default `model:make` command, than support Nova Resource (if using Laravel Nova); create Policy & add mapping to `AuthServiceProvider`

InsertLineTrait.php

<?php

namespace App\Traits;

use Illuminate\Support\Str;

trait InsertLineTrait
{
    public function insertLineAfter($path, $needle, $replace)
    {
        return $this->insertLine($path, $needle, $replace, true);
    }

    public function insertLineBefore($path, $needle, $replace)
    {
        return $this->insertLine($path, $needle, $replace, false);
    }

    public function insertLine($path, $needle, $insert, $after = true)
    {
        if (!file_exists($path)) {
            return "The file doesn't exists!";
        }

        $content = file_get_contents($path);
        if (Str::contains($content, $insert)) {
            return "The line already exists";
        }

        $contentToReplace = collect(explode("\n", $content))->map(
            function ($line) use ($needle, $insert, $after) {
                if (Str::contains($line, $needle)) {
                    return $after ? "$line\n$insert" : "$insert\n$line";
                }
                return $line;
            }
        )->join("\n");

        if ($contentToReplace != $content) {
            file_put_contents($path, $contentToReplace);
            return "Line Added '$insert'";
        } else {
            return "Unmodified Content. '$insert' line not added";
        }
    }
}

ModelMakeCommand.php

<?php

namespace App\Console\Commands;

use App\Traits\InsertLineTrait;
use Illuminate\Foundation\Console\ModelMakeCommand as Command;
use Symfony\Component\Console\Input\InputOption;

class ModelMakeCommand extends Command
{
    use InsertLineTrait;

    public function handle()
    {
        parent::handle();

        $modelName = $this->argument('name');

        if (class_exists(\Laravel\Nova\NovaServiceProvider::class) && $this->option('nova-resource')) {

            $this->call('nova:resource', [
                'name' => $modelName,
                '--model' => $modelName
            ]);
        }

        if ($this->option('policy') || $policyName = $this->option('policy-name')) {

            $policyName = isset($policyName) ? $policyName : $modelName . 'Policy';

            $this->call('make:policy', [
                'name' => $policyName,
                '--model' => $modelName
            ]);

            $this->insertLineAfter(
                app_path('Providers/AuthServiceProvider.php'),
                "protected \$policies = [",
                "\t\t" . trim("'App\Models\\" . $modelName . "' => 'App\Policies\\" . $policyName . "',")
            );
        }
    }

    protected function getOptions()
    {
        $policyOptions = array_merge([
            ['policy', 'P', InputOption::VALUE_NONE, 'Create Model with Policy.'],
            ['policy-name', 'PN', InputOption::VALUE_OPTIONAL, 'Policy name.'],
        ], parent::getOptions());

        return class_exists(\Laravel\Nova\NovaServiceProvider::class)
            ? array_merge([
                ['nova-resource', 'N', InputOption::VALUE_NONE, 'Create Nova Resource for this model class.'],
            ], $policyOptions)
            : $policyOptions;
    }
}