Add Contract interface for airport lookup functionality (#365)

* Add Contract interface for airport lookup functionality

* style ci fixes

app/Services/AirportLookup/VaCentralLookup.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Services\AirportLookup;
+
+use App\Contracts\AirportLookup;
+use Illuminate\Support\Facades\Log;
+use VaCentral\Airport;
+use VaCentral\HttpException;
+
+class VaCentralLookup extends AirportLookup
+{
+    /**
+     * Lookup the information for an airport
+     *
+     * @param string $icao
+     *
+     * @return array
+     */
+    public function getAirport($icao)
+    {
+        try {
+            return Airport::get($icao);
+        } catch (HttpException $e) {
+            Log::error($e);
+            return;
+        }
+    }
+}

app/Services/AirportService.php

@@ -2,20 +2,27 @@
 
 namespace App\Services;
 
+use App\Contracts\AirportLookup as AirportLookupProvider;
 use App\Contracts\Metar as MetarProvider;
 use App\Contracts\Service;
 use App\Support\Metar;
+use Illuminate\Support\Facades\Cache;
+use VaCentral\Airport;
 
 /**
  * Class AnalyticsService
  */
 class AirportService extends Service
 {
+    private $lookupProvider;
     private $metarProvider;
 
     public function __construct(
+        AirportLookupProvider $lookupProvider,
         MetarProvider $metarProvider
+
     ) {
+        $this->lookupProvider = $lookupProvider;
         $this->metarProvider = $metarProvider;
     }
 
@@ -38,4 +45,35 @@ class AirportService extends Service
             return new Metar($raw_metar);
         }
     }
+
+    /**
+     * Lookup an airport's information from a remote provider. This handles caching
+     * the data internally
+     *
+     * @param string $icao ICAO
+     *
+     * @return Airport|array
+     */
+    public function lookupAirport($icao)
+    {
+        $key = config('cache.keys.AIRPORT_VACENTRAL_LOOKUP.key').$icao;
+
+        $airport = Cache::get($key);
+        if ($airport) {
+            return $airport;
+        }
+
+        $airport = $this->lookupProvider->getAirport($icao);
+        if ($airport === null) {
+            return [];
+        }
+
+        Cache::add(
+            $key,
+            $airport,
+            config('cache.keys.AIRPORT_VACENTRAL_LOOKUP.time')
+        );
+
+        return $airport;
+    }
 }