Route Model binding in Laravel

Question

I have a Laravel app and a model Category. It has a relation to itself called parent

Category.php

public function parent(): BelongsTo
{
    return $this->belongsTo(self::class, 'parent_uuid', 'uuid');
}

I'm trying to make this kind of URL,

ex.: domain.com/mobile-phones/smartphones ('mobile-phones' - category's parent, 'smartphones' - category itself)

In the routes file it should be:

Route::get('/{parent}/{category}', ...)->name('category');

Is there a way to code so i use just one Route Parameter? For example:

Route::get('/{category:parent}/{category}', ...)->name('category');

Also a way so that in blade files when i generate the url to use just the category.

route('category', ['parent' => $category->parent, 'category' => $category]); // No
route('category', $category); // Yes

I have tried making the route binding as follows:

/{category:parent}/{category}

But it gives the error that the parameter category can be used just once.

I would expect that Route::get('/{parent}/{category}', ...)->name('category'); would work with route('category', ['parent' => $category->parent_id, 'category' => $category->id]). Your Controller method would then be something like public function category(Category $parent, Category $category) { ... }. — Tim Lewis
– Tim Lewis, Commented Nov 1, 2022 at 14:54
No, I don't believe the routing is possible the way you want it. Route::get('/{parent}/{category}', ...)->name('category'); is the usual and accepted way to do it. — aynber
– aynber, Commented Nov 1, 2022 at 14:54

mexslacker · Accepted Answer · 2022-11-01 16:13:21Z

-1

I would define the route like this

Route::get('/categories/{parent}/{category}')->name('category');

Because it is easy to read

and on blade run a loop on the devices and just prepare the anchor tag for the route.

@foreach ($smartPhone as $phones)
    <a href="/categories/{{ $smartPhone->parent->name }}/{{ $smartPhone->categories }}">
      Categories
    </a>
@endforeach

or if wanna display the category names

@foreach ($smartPhone as $phones)
    <a href="/categories/{{ $smartPhone->parent->name }}/{{ $smartPhone->categories }}">
      {{ $smartPhone->category }}
    </a>
@endforeach

edited Nov 1, 2022 at 16:13

answered Nov 1, 2022 at 15:38

mexslacker

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1 Comment

Tim Lewis Over a year ago

That's a little better, but this still won't work. Your @foreach() doesn't make a lot of sense when you're then referencing it as {{ $smartPhone->parent->name }}. $smartPhone is the outer variable (a Collection, Array, etc.), and this would likely throw an error. $phone->parent->name might work, but what is $smartPhone? That is not in the original question, so you're kinda making up code here and hoping it answers the question. Please test your code locally and post an answer that actually works.

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