composer require typicms/nestablecollection


composer require typicms/nestablecollection
Using version ^1.1 for typicms/nestablecollection
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Updating dependencies (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
- Installing typicms/nestablecollection (V1.1.18): Loading from cache
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php artisan make:model Category -m

<?php

namespace App;

use TypiCMS\NestableTrait;
use Illuminate\Support\Str;
use Illuminate\Database\Eloquent\Model;

class Category extends Model
{
use NestableTrait;

public $timestamps = true;

protected $fillable=['name','slug','parent_id','thumbnail','status'];

}

composer require laravel/helpers

public function up()
{
Schema::create('categories', function (Blueprint $table) {
$table->id();
$table->string('name')->unique();
$table->string('slug')->unique();
$table->unsignedSmallInteger('parent_id');
$table->string('thumbnail')->nullable();
$table->enum('status',['1','0']);
$table->timestamps();
});
}

Route::get('add-categorymenu', 'admin\CategoryController@index');
Route::post('addcategorymenu', 'admin\CategoryController@add_categorymenu')->name('addcategorymenu');

<?php

namespace App\Http\Controllers\admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Category;

class CategoryController extends Controller
{
public function index()
{
//$category = Category::get();
$category = Category::orderByRaw('-name ASC')->get()->nest()->listsFlattened('name');
return view('admin.add-categorymenu',compact('category'));
}


public function add_categorymenu(Request $request)
{
$data = $request->all();
$slug = str_slug($data['name']);

$obj = new Category;
$obj->name = $data['name'];
$obj->slug = $slug;
$obj->parent_id = $data['parent_id'];
$obj->save();
return redirect()->back()->with('msg',"Category Save");
}


}

<form name="frm" id="frm" method="post" action="{{route('addcategorymenu')}}" enctype="multipart/form-data">
@csrf





<label for="name">Category Name</label>
<div class="form-group">
<input type="text" id="name" name="name" class="form-control" placeholder="Enter category Name" value="{{ old('name') }}">
@if ($errors->has('name'))
<span class="text-danger">
<strong id="name-error"> {{ $errors->first('name') }}</strong>
</span>
@endif

</div>





<label for="parent_category">Parent Category</label>
<div class="form-group">




<!--<select name="parent_id">
<option>--- Please Select --- </option>
@foreach($category as $row)
<option value="{{--$row->id--}}">{{--$row->name--}} </option>
@endforeach


</select>
-->

<select id="parent_id" class="form-control custom-select mt-15 @error('parent_id') is-invalid @enderror" name="parent_id">
<option value="0">Select a parent category</option>
@foreach($category as $key => $row)
<option value="{{ $key }}"> {{ $row }} </option>
@endforeach
</select>
@error('parent_id') {{ $message }} @enderror


@if ($errors->has('parent_category'))
<span class="text-danger">
<strong id="parent_category-error"> {{ $errors->first('parent_category') }}</strong>
</span>
@endif
</div>






<!--
<label for="logo">Choose Category Image.</label>
<div class="form-group">
<input type="file" id="image" name="image" class="form-control" placeholder="Enter Category Image Here..." value="{{ old('image') }}">
@if ($errors->has('image'))
<span class="text-danger">
<strong id="image-error"> {{ $errors->first('image') }}</strong>
</span>
@endif
</div>
-->





<button type="submit" class="btn btn-raised btn-primary btn-round waves-effect">Submit</button>
</form>

php artisan make:controller frontend\CategoryController

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Category;
class CategoryController extends Controller
{
public function index()
{

//$categories = CategorySubcategory::orderBy('name','ASC')->where('status','1')->get();


$categories = Category::orderBy('name','ASC')
->where('parent_id', 1)
->first();

return view('frontend.index',compact('categories'));
}
}

php artisan make:provider ViewComposerServiceProvider

<?php

namespace App\Providers;
use App\Category;
use Illuminate\Support\Facades\View;
use Illuminate\Support\ServiceProvider;

class ViewComposerServiceProvider extends ServiceProvider
{

public function register()
{
//
}


public function boot()
{
View::composer('frontend.layouts.navigation', function ($view) {
$view->with('categories', Category::orderByRaw('-name ASC')->get()->nest());
});
}
}

App\Providers\ViewComposerServiceProvider::class,

<div class="collapse navbar-collapse" id="main_nav">
<ul class="navbar-nav">
@foreach($categories as $cat)
@foreach($cat->items as $category)
@if ($category->items->count() > 0)
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="{{ route('category.show', $category->slug) }}" id="{{ $category->slug }}"
data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">{{ $category->name }}</a>
<div class="dropdown-menu" aria-labelledby="{{ $category->slug }}">
@foreach($category->items as $item)
<a class="dropdown-item" href="{{ route('category.show', $item->slug) }}">{{ $item->name }}</a>
@endforeach
</div>
</li>
@else
<li class="nav-item">
<a class="nav-link" href="{{ route('category.show', $category->slug) }}">{{ $category->name }}</a>
</li>
@endif
@endforeach
@endforeach
</ul>
</div>