Pass Variable from Index View to Show View in Laravel 8 & Blade

Question

Not sure what I'm missing, but I can't seem to get the variable from my index.blade.php view to my show.blade.php view.

I keep getting the error Undefined variable: usercar ...

Livewire/Home/index.php

<?php

namespace App\Http\Livewire\Home;

use App\Models\User;
use App\Models\Car;
use App\Models\Usercar;
use Livewire\Component;
use Livewire\WithPagination;
use Illuminate\Database\Eloquent\Builder;

class Index extends Component
{
    use WithPagination;
    public $perPage = 25;
    public $sortAsc = true;
    public $search;

    protected $queryString = ['search'];

    public function render()
    {
        $usercars = Usercar::with('user')
            ->where('year', 'like', '%'.$this->search.'%')
            ->orwhereHas('user', function (Builder $query) {
                $query->where('first_name', 'like', '%'.$this->search.'%');
                $query->orWhere('last_name', 'like', '%'.$this->search.'%');
                $query->orWhere('drivers_number', 'like', '%'.$this->search.'%');
                $query->orwhereHas('region', function (Builder $query) {
                    $query->where('region_name', 'like', '%'.$this->search.'%');
                });
            })
            ->orwhereHas('car', function (Builder $query) {
                $query->where('model', 'like', '%'.$this->search.'%');
            })
            ->paginate($this->perPage);
        return view('livewire.home.index', compact('usercars'))
            ->layout('layouts.frontend');
    }
}

Livewire/Home/show.php

<?php

namespace App\Http\Livewire\Home;

use Livewire\Component;

class Show extends Component
{
    public function render()
    {
        return view('livewire.home.show')
            ->layout('layouts.frontend');
    }
}

livewire/home/index.blade.php

...
@foreach($usercars as $usercar)
...
<a href="{{route('home.show', $usercar->id)}}">View Car</a>
...
@endforeach
...

livewire/home/show.blade.php

...
<div>
    {{$usercar->car_color}}
</div>
...

web.php

...
Route::get('/', App\Http\Livewire\Home\Index::class)->name('home.index');
Route::get('/{usercar}', App\Http\Livewire\Home\Show::class)->name('home.show');
...

shaedrich · Accepted Answer · 2021-05-31 07:32:42Z

0

Of course you have to pass the url segment to the controller and the view:

<?php

namespace App\Http\Livewire\Home;

use Livewire\Component;

class Show extends Component
{
    public function render($usercar)
    {
        return view('livewire.home.show', [ 'usercar' => $usercar ])
            ->layout('layouts.frontend');
    }
}

answered May 31, 2021 at 7:32

shaedrich

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3 Comments

Charles Smith Over a year ago

that gives me a Unable to resolve dependency [Parameter #0 [ <required> $usercar ]] in class App\Http\Livewire\Home\Show error

shaedrich Over a year ago

Okay, that might be something Livewire-specific and I haven't worked with it yet.

Charles Smith Over a year ago

I figured it out... I need to mount usercar public $usercar; public function mount($usercar) { $this->usercar = Usercar::with('user')->find($usercar);}

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