Using models vs creating and binding classes












0















I do not understand the idea of binding classes in service provider.
I read articles about Laravel service providers and containers. I understand that Service Provider is a way to organize service objects bindings to the IoC, useful when your application is fairly large. Let's look at this case. I created 4 classes:



class Person
{
public $name;
public $surname;

public function __construct($name, $surname)
{
$this->name = $name;
$this->surname = $surname;
}

}


class Car
{

public $model;


public function __construct($model)
{
$this->model = $model;
}
}


class Adres
{

public function __construct($street, $city)
{
$this->street = $street;
$this->city = $city;
}

}

class PremiumClient
{

public function __construct(Person $p, Car $c, Adres $a)
{
$this->person = $p;
$this->car = $c;
$this->adres = $p;
}
}


As you can see I'm trying to inject three dependencies to PremiumClient class. I can achvieve it creating 4 models join them using eloquent relationship. So why is it recommended to bind classes in service provider like this:



class AppServiceProvider extends ServiceProvider
{

public function boot()
{
Schema::defaultStringLength(191);
$this->app->bind('Car', function ($app, $p) {
return new Car($p[0]);
});

$this->app->bind('Adres', function ($app, $p) {
return new Adres($p[0], $p[1]);
});

$this->app->bind('Person', function ($app, $p) {
return new Person($p[0], $p[1]);
});

$this->app->bind('Premium', function ($app, $p) {
return new Premium(App::make('Person'),App::make('Car'),App::make('Adres'));
});
}


I'm not able to understand what are the benefits of binding classes when you can use models to achieve the same goal. When should I use models, and when create class and bind it? Please help.










share|improve this question



























    0















    I do not understand the idea of binding classes in service provider.
    I read articles about Laravel service providers and containers. I understand that Service Provider is a way to organize service objects bindings to the IoC, useful when your application is fairly large. Let's look at this case. I created 4 classes:



    class Person
    {
    public $name;
    public $surname;

    public function __construct($name, $surname)
    {
    $this->name = $name;
    $this->surname = $surname;
    }

    }


    class Car
    {

    public $model;


    public function __construct($model)
    {
    $this->model = $model;
    }
    }


    class Adres
    {

    public function __construct($street, $city)
    {
    $this->street = $street;
    $this->city = $city;
    }

    }

    class PremiumClient
    {

    public function __construct(Person $p, Car $c, Adres $a)
    {
    $this->person = $p;
    $this->car = $c;
    $this->adres = $p;
    }
    }


    As you can see I'm trying to inject three dependencies to PremiumClient class. I can achvieve it creating 4 models join them using eloquent relationship. So why is it recommended to bind classes in service provider like this:



    class AppServiceProvider extends ServiceProvider
    {

    public function boot()
    {
    Schema::defaultStringLength(191);
    $this->app->bind('Car', function ($app, $p) {
    return new Car($p[0]);
    });

    $this->app->bind('Adres', function ($app, $p) {
    return new Adres($p[0], $p[1]);
    });

    $this->app->bind('Person', function ($app, $p) {
    return new Person($p[0], $p[1]);
    });

    $this->app->bind('Premium', function ($app, $p) {
    return new Premium(App::make('Person'),App::make('Car'),App::make('Adres'));
    });
    }


    I'm not able to understand what are the benefits of binding classes when you can use models to achieve the same goal. When should I use models, and when create class and bind it? Please help.










    share|improve this question

























      0












      0








      0








      I do not understand the idea of binding classes in service provider.
      I read articles about Laravel service providers and containers. I understand that Service Provider is a way to organize service objects bindings to the IoC, useful when your application is fairly large. Let's look at this case. I created 4 classes:



      class Person
      {
      public $name;
      public $surname;

      public function __construct($name, $surname)
      {
      $this->name = $name;
      $this->surname = $surname;
      }

      }


      class Car
      {

      public $model;


      public function __construct($model)
      {
      $this->model = $model;
      }
      }


      class Adres
      {

      public function __construct($street, $city)
      {
      $this->street = $street;
      $this->city = $city;
      }

      }

      class PremiumClient
      {

      public function __construct(Person $p, Car $c, Adres $a)
      {
      $this->person = $p;
      $this->car = $c;
      $this->adres = $p;
      }
      }


      As you can see I'm trying to inject three dependencies to PremiumClient class. I can achvieve it creating 4 models join them using eloquent relationship. So why is it recommended to bind classes in service provider like this:



      class AppServiceProvider extends ServiceProvider
      {

      public function boot()
      {
      Schema::defaultStringLength(191);
      $this->app->bind('Car', function ($app, $p) {
      return new Car($p[0]);
      });

      $this->app->bind('Adres', function ($app, $p) {
      return new Adres($p[0], $p[1]);
      });

      $this->app->bind('Person', function ($app, $p) {
      return new Person($p[0], $p[1]);
      });

      $this->app->bind('Premium', function ($app, $p) {
      return new Premium(App::make('Person'),App::make('Car'),App::make('Adres'));
      });
      }


      I'm not able to understand what are the benefits of binding classes when you can use models to achieve the same goal. When should I use models, and when create class and bind it? Please help.










      share|improve this question














      I do not understand the idea of binding classes in service provider.
      I read articles about Laravel service providers and containers. I understand that Service Provider is a way to organize service objects bindings to the IoC, useful when your application is fairly large. Let's look at this case. I created 4 classes:



      class Person
      {
      public $name;
      public $surname;

      public function __construct($name, $surname)
      {
      $this->name = $name;
      $this->surname = $surname;
      }

      }


      class Car
      {

      public $model;


      public function __construct($model)
      {
      $this->model = $model;
      }
      }


      class Adres
      {

      public function __construct($street, $city)
      {
      $this->street = $street;
      $this->city = $city;
      }

      }

      class PremiumClient
      {

      public function __construct(Person $p, Car $c, Adres $a)
      {
      $this->person = $p;
      $this->car = $c;
      $this->adres = $p;
      }
      }


      As you can see I'm trying to inject three dependencies to PremiumClient class. I can achvieve it creating 4 models join them using eloquent relationship. So why is it recommended to bind classes in service provider like this:



      class AppServiceProvider extends ServiceProvider
      {

      public function boot()
      {
      Schema::defaultStringLength(191);
      $this->app->bind('Car', function ($app, $p) {
      return new Car($p[0]);
      });

      $this->app->bind('Adres', function ($app, $p) {
      return new Adres($p[0], $p[1]);
      });

      $this->app->bind('Person', function ($app, $p) {
      return new Person($p[0], $p[1]);
      });

      $this->app->bind('Premium', function ($app, $p) {
      return new Premium(App::make('Person'),App::make('Car'),App::make('Adres'));
      });
      }


      I'm not able to understand what are the benefits of binding classes when you can use models to achieve the same goal. When should I use models, and when create class and bind it? Please help.







      laravel-5






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      asked Jan 3 at 18:14









      appsonappson

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