Output PIREP map with just the dep/arr airports for now

app/Services/GeoService.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Services;
+
+//use \League\Geotools\Geotools;
+use \GeoJson\Geometry\LineString;
+use \GeoJson\Feature\Feature;
+use \GeoJson\Feature\FeatureCollection;
+
+use \League\Geotools\Geotools;
+use \League\Geotools\Coordinate\Coordinate;
+
+class GeoService extends BaseService
+{
+    /**
+     * Return all of the coordinates, start to finish
+     * Returned in the GeoJSON format
+     * https://tools.ietf.org/html/rfc7946
+     *
+     * TODO: Save this data:
+     * Once a PIREP is accepted, save this returned structure as a
+     * JSON-encoded string into the raw_data field of the PIREP row
+     *
+     * @param \App\Models\Pirep|\App\Models\Flight $model
+     * @return array
+     */
+    public function getRouteCoordsGeoJSON($model): array
+    {
+        # NOTE!! GeoJSON takes coords in [lon, lat] format!!
+        $line = new LineString([
+            [$model->dpt_airport->lon, $model->dpt_airport->lat],
+            [$model->arr_airport->lon, $model->arr_airport->lat],
+        ]);
+
+        // TODO: Add markers for the start/end airports
+        // TODO: Read from the ACARS data table
+
+        $feature = new Feature($line, [], 1);
+        $features = new FeatureCollection([$feature]);
+
+        return [
+            'features' => $features,
+            //'center' => $center,
+        ];
+    }
+
+    /**
+     * Determine the center point between two sets of coordinates
+     * @param $latA
+     * @param $lonA
+     * @param $latB
+     * @param $lonB
+     * @return array
+     * @throws \League\Geotools\Exception\InvalidArgumentException
+     */
+    public function getCenter($latA, $lonA, $latB, $lonB)
+    {
+        $geotools = new Geotools();
+        $coordA = new Coordinate([$latA, $lonA]);
+        $coordB = new Coordinate([$latB, $lonB]);
+
+        $vertex = $geotools->vertex()->setFrom($coordA)->setTo($coordB);
+        $middlePoint = $vertex->middle();
+
+        $center = [
+            $middlePoint->getLatitude(),
+            $middlePoint->getLongitude()
+        ];
+
+        return $center;
+    }
+}