Add ACARS live time/coords/default zoom into admin settings

app/Database/migrations/2017_06_07_014930_create_settings_table.php

@@ -122,6 +122,35 @@ class CreateSettingsTable extends Migration
             'description' => 'The units for temperature',
         ]);
 
+        /**
+         * ACARS Settings
+         */
+
+        $this->addSetting('acars.live_time', [
+            'name'        => 'Live Time',
+            'group'       => 'acars',
+            'value'       => 12,
+            'type'        => 'int',
+            'description' => 'Age of flights to show on the map in hours. '
+                            .'Set to 0 to show only all in-progress flights',
+        ]);
+
+        $this->addSetting('acars.center_coords', [
+            'name'        => 'Center Coords',
+            'group'       => 'acars',
+            'value'       => '30.1945,-97.6699',
+            'type'        => 'text',
+            'description' => 'Where to center the map; enter as LAT,LON',
+        ]);
+
+        $this->addSetting('acars.default_zoom', [
+            'name'        => 'Default Zoom',
+            'group'       => 'acars',
+            'value'       => 5,
+            'type'        => 'int',
+            'description' => 'Initial zoom level on the map',
+        ]);
+
         /**
          * BIDS
          */

app/Repositories/AcarsRepository.php

@@ -7,6 +7,7 @@ use App\Models\Acars;
 use App\Models\Enums\AcarsType;
 use App\Models\Enums\PirepState;
 use App\Models\Pirep;
+use Carbon\Carbon;
 
 /**
  * Class AcarsRepository
@@ -51,14 +52,21 @@ class AcarsRepository extends Repository
     /**
      * Get all of the PIREPS that are in-progress, and then
      * get the latest update for those flights
+     * @param int $live_time Age in hours of the oldest flights to show
      * @return Pirep
      */
-    public function getPositions()
+    public function getPositions($live_time = 0)
     {
-        return Pirep::with(['airline', 'position', 'aircraft'])
-            ->where(['state' => PirepState::IN_PROGRESS])
-            ->orderBy('created_at', 'desc')
-            ->get();
+        $q = Pirep::with(['airline', 'position', 'aircraft'])
+            ->where(['state' => PirepState::IN_PROGRESS]);
+
+        if($live_time !== null && $live_time > 0) {
+            $st = Carbon::now('UTC')->subHours($live_time);
+            $q = $q->whereDate('created_at', '>=', $st);
+        }
+
+        $q = $q->orderBy('created_at', 'desc');
+        return $q->get();
     }
 
     /**

app/Widgets/LiveMap.php

@@ -25,13 +25,20 @@ class LiveMap extends Widget
         $geoSvc = app(GeoService::class);
         $acarsRepo = app(AcarsRepository::class);
 
-        $pireps = $acarsRepo->getPositions();
+        $pireps = $acarsRepo->getPositions(setting('acars.live_time', 0));
         $positions = $geoSvc->getFeatureForLiveFlights($pireps);
 
+        $center_coords = setting('acars.center_coords', '0,0');
+        $center_coords = array_map(function($c) {
+            return (float) trim($c);
+        }, explode(',', $center_coords));
+
         return view('widgets.live_map', [
-            'config'    => $this->config,
-            'pireps'    => $pireps,
-            'positions' => $positions,
+            'config'        => $this->config,
+            'pireps'        => $pireps,
+            'positions'     => $positions,
+            'center'        => $center_coords,
+            'zoom'          => setting('acars.default_zoom', 5),
         ]);
     }
 }