neo element api example

neo-matrix-elementapi.php

<?php

require craft()->path->getPluginsPath().'elementapi/vendor/autoload.php';

require craft()->path->getAppPath().'../../vendor/autoload.php';

use League\Fractal\TransformerAbstract;
use Cocur\Chain\Chain;

class ProviderApiTransformer extends TransformerAbstract
{
  private static function createBlockTypeFilter($type) {
    return function(Neo_BlockModel $block) use ($type) {
       return $block->type->handle == $type;
    };
  }
  protected $imageConfig = [
    'mode' => 'fit',
    'width' => 200,
    'height' => 80,
    'quality' => 75,
    'position' => 'center-center'
  ];

   public function transform(EntryModel $entry)
   {
    $neoProducts = $entry->products->find();

    $results = [
      'id' => $entry->id,
      'slug' => $entry->slug,
      'title' => $entry->title,
      'imageUrl' => $entry->image->first() ? $entry->image->first()->getUrl($this->imageConfig) : null,
      'products' => Chain::create($neoProducts)
        ->filter(self::createBlockTypeFilter('product'))
        ->map(function(Neo_BlockModel $product) use ($neoProducts) {
          return [
            'id' => $product->id,
            'type' => $product->productType,
            'note' => $product->note,
            'handle' => $product->type->handle,
            'level' => $product->level,
            'destinations' => Chain::create($neoProducts)
              ->filter(self::createBlockTypeFilter('destination'))
              ->map(function(Neo_BlockModel $dest) use ($product) {
                return [
                  'id' => $dest->id,
                  'transferSpeed' => $dest->transferSpeed,
                  'transferAmounts' => Chain::create($dest->transferAmounts->limit(null)->find())
                    ->map(function(MatrixBlockModel $block) {
                      return [
                        'id' => $block->id,
                        'icuAmount' => $block->icuAmount,
                        'icuRate' => $block->icuRate,
                        'icuFee' => $block->icuFee,
                        'targetCurrency' => $block->targetCurrency
                      ];
                    })->array,
                  'countries' => Chain::create($dest->destinationCountries->find())
                    ->map(function(CategoryModel $country) {
                      return $country->countryIsoCode;
                    })->array
                ];
              })->array
          ];
        })->array
      ];

    return $results;
  }
}