Initial working version - wrapping OpenFoodFacts API

README.md

@@ -16,9 +16,14 @@ composer require palmans/laravel-openfoodfacts
 ```
 
 ## Usage
-
+Find product details by barcode
+``` php
+OpenFoodFacts::barcode('20203467');
+```
+... or just retrieve specific details, e.g.
 ``` php
-// Usage description here
+OpenFoodFacts::barcode('20203467')->product_name; // 'Cantuccini with hazelnuts'
+OpenFoodFacts::barcode('20203467')->image_url; // 'https://static.openfoodfacts.org/images/products/20203467/front_fr.4.400.jpg'
 ```
 
 ### Testing

composer.json

@@ -16,8 +16,10 @@
         }
     ],
     "require": {
-        "php": ">=7",
-        "illuminate/support": "5.7.x|5.8.x|6.*"
+        "php": ">=7.1",
+        "guzzlehttp/guzzle": "^6.3",
+        "illuminate/support": "5.7.x|5.8.x|6.*",
+        "openfoodfacts/openfoodfacts-php": "^0.2.0"
     },
     "require-dev": {
         "orchestra/testbench": "3.8.*|4.*",
@@ -44,10 +46,10 @@
     "extra": {
         "laravel": {
             "providers": [
-                "Palmans\\LaravelOpenFoodFacts\\LaravelOpenFoodFactsServiceProvider"
+                "Palmans\\LaravelOpenFoodFacts\\OpenFoodFactsServiceProvider"
             ],
             "aliases": {
-                "OpenFoodFacts": "Palmans\\LaravelOpenFoodFacts\\OpenFoodFactsFacade"
+                "OpenFoodFacts": "Palmans\\LaravelOpenFoodFacts\\Facades\\OpenFoodFacts"
             }
         }
     }

config/openfoodfacts.php

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'geography' => 'world',
+    'max_results' => 1000,
+];

src/Facades/OpenFoodFacts.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Palmans\LaravelOpenFoodFacts\Facades;
+
+use Illuminate\Support\Facades\Facade;
+
+class OpenFoodFacts extends Facade
+{
+    protected static function getFacadeAccessor()
+    {
+        return 'openfoodfacts';
+    }
+}

src/OpenFoodFacts.php

@@ -2,7 +2,62 @@
 
 namespace Palmans\LaravelOpenFoodFacts;
 
-class OpenFoodFacts
+use Illuminate\Contracts\Config\Repository;
+use Illuminate\Contracts\Container\Container;
+use Illuminate\Support\Collection;
+use InvalidArgumentException;
+
+class OpenFoodFacts extends OpenFoodFactsApiWrapper
 {
-    // Build your next great package.
+    protected $max_results;
+
+    public function __construct(Container $app)
+    {
+        parent::__construct([
+            'geography' =>  $app['config']->get('openfoodfacts.geography'),
+            'app' =>  $app['config']->get('app.name'),
+        ], $app['cache.store']);
+
+        $this->max_results = $app['config']->get('openfoodfacts.max_results', 1000);
+    }
+
+    public function barcode($value)
+    {
+        if (empty($value)) {
+            throw new InvalidArgumentException("Argument must represent a barcode");
+        }
+
+        return $this->api->getProduct($value);
+    }
+
+    public function find($searchterm)
+    {
+        if (empty($searchterm)) {
+            throw new InvalidArgumentException("Specify a search term to find data for matching products");
+        }
+
+        $products = Collection::make();
+        $page = 0;
+
+        do {
+            $pageResults = $this->api->search($searchterm, ++$page, 100);
+            $totalMatches = $pageResults->searchCount();
+
+            if ($this->max_results > 0 && $totalMatches > $this->max_results) {
+                throw new \Exception("ERROR: {$totalMatches} results found, while buffer limited to {$this->max_results}. Please narrow your search.");
+            }
+
+            $pages = (int)ceil($totalMatches / $pageResults->getPageSize());
+
+            $products = $products->concat(iterator_to_array($pageResults));
+
+        } while ($page < $pages);
+
+        return $products;
+    }
+
+    public function __call($method, $parameters)
+    {
+        return $this->api->$method(...$parameters);
+    }
 }

src/OpenFoodFactsApiWrapper.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Palmans\LaravelOpenFoodFacts;
+
+use GuzzleHttp\Client;
+use OpenFoodFacts\Api;
+use Psr\SimpleCache\CacheInterface;
+
+class OpenFoodFactsApiWrapper
+{
+    protected $parameters;
+    protected $cache;
+
+    public $api;
+
+    public function __construct(array $parameters, CacheInterface $cache = null)
+    {
+        $this->parameters = $parameters;
+        $this->cache = $cache;
+
+        $this->api = $this->setupApi();
+    }
+
+    protected function setupApi($environment = 'food')
+    {
+        return new Api(
+            $environment,
+            $this->parameters['geography'] ?? 'world',
+            null,
+            $this->httpClient(),
+            $this->cache
+        );
+    }
+
+    protected function httpClient()
+    {
+        return new Client([
+            'headers' => ['User-Agent' => $this->parameters['app'] ?? 'Laravel Open Food Facts - https://github.com/palmans/laravel-openfoodfacts'],
+        ]);
+    }
+}

src/OpenFoodFactsServiceProvider.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Palmans\LaravelOpenFoodFacts;
+
+use Illuminate\Contracts\Container\Container;
+use Illuminate\Support\ServiceProvider;
+
+class OpenFoodFactsServiceProvider extends ServiceProvider
+{
+    public function boot()
+    {
+        if ($this->app->runningInConsole()) {
+            $this->publishes([
+                __DIR__.'/../config/openfoodfacts.php' => config_path('openfoodfacts.php'),
+            ], 'config');
+        }
+    }
+
+    public function register()
+    {
+        $this->mergeConfigFrom(__DIR__.'/../config/openfoodfacts.php', 'openfoodfacts');
+
+        $this->app->singleton('openfoodfacts', function (Container $app) {
+            return new OpenFoodFacts($app);
+        });
+    }
+}