PHP code example of illuminatech / sync-many-attribute

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

illuminatech / sync-many-attribute example snippets

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminatech\SyncManyAttribute\SyncManyToManyAttribute;

/**
 * @property int[] $category_ids
 * @property int[] $tag_ids
 */
class Item extends Model
{
    use SyncManyToManyAttribute;

    protected function syncManyToManyAttributes(): array
    {
        return [
            'category_ids' => 'categories',
            'tag_ids' => 'tags',
        ];
    }

    public function categories(): BelongsToMany
    {
        return $this->belongsToMany(Category::class);
    }

    public function tags(): BelongsToMany
    {
        return $this->belongsToMany(Tag::class)->withPivot(['created_at']);
    }

    // ...
}

$item = new Item();
$item->category_ids = Category::query()->pluck('id')->toArray();
// ...
$item->save(); // relation `Item::categories()` synchronized automatically

$item = $item->fresh();
var_dump($item->category_ids); // outputs array of category IDs like `[1, 3, 8, ...]`

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

class KioskController extends Controller
{
    public function store(Request $request)
    {
        $validatedData = $request->validate([
            'name' => ['],
        ]);
        
        $item = new Item;
        $item->fill($validatedData); // single assignment covers all many-to-many relations
        $item->save(); // relation `Item::categories()` synchronized automatically
        
        // return response
    }
}

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminatech\SyncManyAttribute\SyncManyToManyAttribute;

class Item extends Model
{
    use SyncManyToManyAttribute;

    protected function syncManyToManyAttributes(): array
    {
        return [
            'category_ids' => [
                'categories' => [
                    'type' => 'help-content',
                ],
            ],
            'tag_ids' => [
                'tags' => [
                    'attached_at' => function (Item $model) {
                        return now();
                    }
                ],
            ],
        ];
    }

    public function categories(): BelongsToMany
    {
        return $this->belongsToMany(Category::class)->withPivot(['type']);
    }

    public function tags(): BelongsToMany
    {
        return $this->belongsToMany(Tag::class)->withPivot(['attached_at']);
    }

    // ...
}

use Illuminate\Database\Eloquent\Model;
use Illuminatech\SyncManyAttribute\ManyToManyAttribute;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminatech\SyncManyAttribute\SyncManyToManyAttribute;

class Item extends Model
{
    use SyncManyToManyAttribute;

    protected function syncManyToManyAttributes(): array
    {
        return [
            'category_ids' => (new ManyToManyAttribute)
                ->relationName('categories')
                ->pivotAttributes(['type' => 'help-content']),
            'tag_ids' => (new ManyToManyAttribute)
                ->relationName('tags')
                ->pivotAttributes([
                    'attached_at' => function (Item $model) {
                        return now();
                    },
                ]),
        ];
    }

    public function categories(): BelongsToMany
    {
        return $this->belongsToMany(Category::class)->withPivot(['type']);
    }
    
    public function tags(): BelongsToMany
    {
        return $this->belongsToMany(Tag::class)->withPivot(['attached_at']);
    }

    // ...
}

$item = new Item();
$item->category_ids = Category::query()->pluck('id')->toArray();
// ...
$item->save(); // relation `Item::categories()` synchronized automatically

$category = $item->categories()->first();
var_dump($category->pivot->type); // outputs 'help-content'

use Laravel\Nova\Resource;
use Laravel\Nova\Fields\ID;
use Fourstacks\NovaCheckboxes\Checkboxes;

class Item extends Resource
{
    public static $model = \App\Models\Item::class; // uses `SyncManyToManyAttribute` for 'categories'
    
    public function fields(Request $request)
        {
            return [
                ID::make()->sortable(),
    
                // ...
    
                // use single checkbox list input instead of `\Laravel\Nova\Fields\BelongsToMany`:
                Checkboxes::make(__('Categories'), 'category_ids')
                    ->options(\App\Models\Category::pluck('name', 'id')),
            ];
        }
}