Getting the name of the foreign key with eloquent - laravel

Question

This must be very basic stuff but I can't seem to find out how to do it.
I have a one to many relationship between to tables: Unit and Army (an army contains many units) and these are my models:
class Army extends Eloquent {
protected $guarded = array();
public static $armies = array();
protected $table = 'armies';
public function units()
{
return $this->hasMany('Unit');
}
}
and:
class Unit extends Eloquent {
protected $guarded = array();
public static $units = array();
protected $table = 'units';
public function armies()
{
return $this->belongsTo('Army', 'army');
}
}
So, in my Unit table I have a row called"army" that contains the id of the army related to that unit and I want to show in my view a simple ul list in the following fashion (I want this to show on the unit index view):
<ul>
<li>Army 1 name
<li>Unit 1 of Army 1</li>
<li>Unit 2 of Army 1</li>
</li>
<li>Army 2 name
<li>Unit 1 of Army 2</li>
<li>Unit 2 of Army 2</li>
</li>
</ul>
To do this I have my unit controller like so:
class UnitsController extends BaseController {
protected $layout = 'master';
/**
* Display a listing of the resource.
*
* #return Response
*/
public function index()
{
$units = Unit::all();
$this->layout->content = View::make('units.index', compact('units'));
}
/*Other stuff*/
}
And in my view (index.blade.php inside views/units):
<ul class="units">
#foreach($units as $unit)
{{$unit->army}}
<li>
{{ HTML::link(route('units.show', ['units' => $unit->id]), $unit->name)}}
</li>
#endforeach
</ul>
But {{$unit->army}} is just (of course) showing the id of the army, and I want the name, how do I do this?

Answer 1

Assuming you have set up your schema correctly: armies table has at least id(auto-increment) and units table has at least id(auto-increment) and army_id (integer, unsigned), then, try this:
Models
class Army extends Eloquent {
public function units()
{
return $this->hasMany('Unit');
}
}
class Unit extends Eloquent {
public function armies()
{
return $this->belongsTo('Army');
}
}
In your Controller
You want to get all armies with units:
$armies = Army::with('units')->get();
In your View you want to loop through the result set outputting the name of each army and its respective units
#foreach($armies as $army)
{{$army->name}}
<ul>
#foreach($army->units as $aunit)
<li>
{{ $aunit->name }}
</li>
#endforeach
</ul>
#endforeach
If that doesn't work, I'll eat my head.