Save PIREP route to ACARS data table #102

app/Services/GeoService.php

@@ -3,6 +3,9 @@
 namespace App\Services;
 
 use App\Models\Acars;
+use App\Models\Airport;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Support\Collection;
 use Log;
 
 use \GeoJson\Geometry\Point;
@@ -34,6 +37,64 @@ class GeoService extends BaseService
         $this->navRepo = $navRepo;
     }
 
+    /**
+     * Parse a route string into a collection of Navadata points
+     * TODO: Add the distance calculation in here
+     * @param $route
+     * @param Airport|null $dep
+     * @param Airport|null $arr
+     * @return array|Collection
+     */
+    public function routeToNavPoints($route, Airport $dep=null, Airport $arr=null)
+    {
+        $route = trim($route);
+        if(empty($route)) {
+            return collect();
+        }
+
+        $skip_points = ['SID', 'STAR'];
+        if($dep !== null) {
+            $skip_points[] = $dep->icao;
+        }
+
+        if($arr !== null) {
+            $skip_points[] = $arr->icao;
+        }
+
+        # Iterate through the route
+        $route = collect(explode(' ', $route))
+            ->transform(function($point) use ($skip_points) {
+                $point = trim($point);
+
+                if(empty($point)) {
+                    return false;
+                }
+
+                if(\in_array($point, $skip_points, true)) {
+                    return false;
+                }
+
+                try {
+                    $navpoints = $this->navRepo->findWhere(['id'=>$point]);
+                } catch(ModelNotFoundException $e) {
+                    return false;
+                }
+
+                if($navpoints->count() === 0) {
+                    return false;
+                } elseif ($navpoints->count() === 1) {
+                    return $navpoints[0];
+                }
+
+                # find the closest waypoint...
+            })
+            ->filter(function($value, $key) {
+                return !empty($value);
+            });
+
+        return $route;
+    }
+
     /**
      * Determine the closest set of coordinates from the starting position
      * @param array $coordStart