PHP code example of alik-laravel / ordering

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

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

    

alik-laravel / ordering example snippets

use Alik\Ordering\HasOrdering;
use Illuminate\Database\Eloquent\Model;

class MenuItem extends Model
{
    use HasOrdering;

    protected $fillable = ['name', 'order', 'category_id'];

    /**
    * @return array<string, string>
    */
    protected function casts(): array
    {
      return [
        'order' => 'float',
      ];
    }
}

Schema::create('menu_items', function (Blueprint $table) {
    $table->id();
    $table->string('name');
    $table->float('order')->default(0);
    $table->unsignedBigInteger('category_id')->nullable();
    $table->timestamps();
});

// Models are automatically ordered
$items = MenuItem::all(); // Ordered by 'order' column ASC

// New models get the next order automatically
$newItem = MenuItem::create(['name' => 'New Item']); // order = last_order + 1

// Get an Orderer instance for positioning
$item = MenuItem::find(1);
$orderer = $item->ordering();

// Calculate positions
$beforePosition = $orderer->before(); // Position before current item
$afterPosition = $orderer->after();   // Position after current item
$firstPosition = $orderer->first();   // First position
$lastPosition = $orderer->last();     // Last position

// Reorder all items (fixes gaps in ordering)
MenuItem::reorder();

// Reorder within a scope (e.g., same category)
MenuItem::reorderWithinScope(['category_id' => 1]);

// Get orderer for items within the same category
$orderer = $item->ordering(['category_id' => $item->category_id]);

// Reorder only items with category_id = 1
MenuItem::reorderWithinScope(['category_id' => 1]);

// Handle null values in scope
MenuItem::reorderWithinScope(['parent_id' => null]);

use Illuminate\Http\Request;
use Illuminate\Validation\Rule;

class MenuItemController extends Controller
{
    public function updateOrder(Request $request)
    {
        $validated = $request->validate([
            'position' => ['     $target = MenuItem::findOrFail($validated['target_id']);
        $position = $validated['position'];

        // Optional: Add scope validation if needed
        // if ($source->category_id !== $target->category_id) {
        //     return response()->json(['error' => 'Items must be in same category'], 422);
        // }

        // Update the source item's order based on target position
        $source->update([
            'order' => $target->ordering()->$position()
        ]);

        return response()->json(['success' => true]);
    }
}

public function updateOrder(Request $request)
{
    $validated = $request->validate([
        'position' => ['integer', 'exists:menu_items,id'],
    ]);

    $source = MenuItem::findOrFail($validated['source_id']);
    $target = MenuItem::findOrFail($validated['target_id']);
    $position = $validated['position'];

    // Ensure items are in the same scope
    if ($source->category_id !== $target->category_id) {
        return response()->json(['error' => 'Items must be in same category'], 422);
    }

    // Use scoped ordering
    $scopeAttributes = ['category_id' => $target->category_id];
    $source->update([
        'order' => $target->ordering($scopeAttributes)->$position()
    ]);

    return response()->json(['success' => true]);
}

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