Eloquent query on relationship table - php

Question

Hello i have two models Adress and Kontokorrent they have a one to one relationship. I would like to make a search function and search after Adress and Kontokorrent columns
My models:
Adress Model
class Adress extends Model
{
protected $table = "Adressen";
protected $primaryKey = 'Adresse';
public $timestamps = false;
public function scopeSearchAdress($query, $searchTerm)
{
return $query->where('LieferOrt', 'LIKE', '%'.$searchTerm.'%')
->orWhere('Name1', 'LIKE', '%'.$searchTerm.'%')
->orWhere('LieferStrasse', 'LIKE', '%'.$searchTerm.'%');
}
public function kontokorrent()
{
return $this->hasOne(Kontokorrent::class, 'Adresse');
}
}
Kontokorrent Model
class Kontokorrent extends Model
{
protected $table = "Kontokorrent";
protected $primaryKey = 'Adresse';
public $timestamps = false;
public function scopeSearchKto($query, $searchTerm)
{
return $query->where('Kto', 'LIKE', '%'.$searchTerm.'%');
}
public function adress()
{
return $this->belongsTo(Adress::class, 'Adresse');
}
}
Controller
class AdressesController extends Controller
{
public function index(Request $request)
{
$searchTerm = $request->input('searchTerm');
$adresses = Adress::whereHas('kontokorrent', function($query) use($searchTerm) {
$query->where('KtoArt', 'D')
->searchKto('K75688'); // this is working
// -> searchKto($searchTerm); this is NOT working
})->orderBy('Name1')
->searchAdress($searchTerm)
->paginate(60);
return view('adresse.index', compact('adresses', 'searchTerm'));
}
}
The search function in Adress model is working. Now i would like to search after the customer ID (Kto) in Kontokorrent. So i made a scope in Kontokorrent and chain it to the contoller search function.
->searchKto('K75688') .... this is working i get a result
->searchKto($searchTerm) .... this is not working when i entry the customer id in my input field and hit enter. I get a 0 row table.
View
#section('content')
<div class="row">
<div class="col-xs-12 col-md-12">
<form role="search" method="GET" action="/adresses">
<div class="input-group">
<input type="text" class="form-control" name="searchTerm" value="{{ isset($searchTerm) ? $searchTerm : '' }}" placeholder="Suche nach Name, Straße, Ort">
<div class="input-group-btn">
<button type="submit" class="btn btn-search btn-default">
Suchen...
</button>
</div>
</div>
</form>
</div>
</div>
<div class="row">
<div class="col-xs-12 col-md-12">
<table class="table table-bordered">
<thead>
<tr>
<th>#</th>
<th>Name</th>
<th>Straße</th>
<th>Ort</th>
<th>PLZ</th>
<th>Land</th>
</tr>
</thead>
<tbody>
#if(count($adresses) > 0)
#foreach($adresses as $adress)
<tr>
<th scope="row">{{ $loop->iteration }}</th>
<td>
{{$adress->Anrede}} {{ $adress->Name1}}
#if($adress->kontokorrent)
<small>{{ $adress->kontokorrent->Kto }}</small>
#endif
</td>
<td>{{ $adress->LieferStrasse }}</td>
<td>{{ $adress->LieferOrt }}</td>
<td>{{ $adress->LieferPLZ }}</td>
<td>{{ $adress->LieferLand }}</td>
</tr>
#endforeach
#else
<tr><td colspan="6" class="text-center">Kein Eintrag gefunden.</td></tr>
#endif
</tbody>
</table>
</div>
</div>
{{ $adresses->appends(['searchTerm' => $searchTerm])->links() }}
#endsection
I don't understand why I get an empty table.