Export flights to CSV in admin #194

app/Services/ExporterService.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Services;
+
+use App\Interfaces\ImportExport;
+use App\Interfaces\Service;
+use App\Repositories\FlightRepository;
+use App\Services\Import\FlightExporter;
+use Illuminate\Support\Collection;
+use League\Csv\CharsetConverter;
+use League\Csv\Writer;
+
+/**
+ * Class ImporterService
+ * @package App\Services
+ */
+class ExporterService extends Service
+{
+    protected $flightRepo;
+
+    /**
+     * ImporterService constructor.
+     * @param FlightRepository $flightRepo
+     */
+    public function __construct(FlightRepository $flightRepo) {
+        $this->flightRepo = $flightRepo;
+    }
+
+    /**
+     * @param      $csv_file
+     * @return Writer
+     */
+    public function openCsv($csv_file): Writer
+    {
+        $writer = Writer::createFromPath($csv_file, 'w+');
+        CharsetConverter::addTo($writer, 'utf-8', 'iso-8859-15');
+        return $writer;
+    }
+
+    /**
+     * Run the actual importer
+     * @param Collection   $collection
+     * @param Writer       $writer
+     * @param ImportExport $exporter
+     * @return bool
+     * @throws \League\Csv\CannotInsertRecord
+     */
+    protected function runExport(Collection $collection, Writer $writer, ImportExport $exporter): bool
+    {
+        $writer->insertOne($exporter->getColumns());
+        foreach ($collection as $row) {
+            $writer->insertOne($exporter->export($row));
+        }
+
+        return true;
+    }
+
+    /**
+     * Export all of the flights
+     * @param Collection  $flights
+     * @param string      $csv_file
+     * @return mixed
+     * @throws \League\Csv\Exception
+     */
+    public function exportFlights($flights, $csv_file)
+    {
+        $writer = $this->openCsv($csv_file);
+
+        $exporter = new FlightExporter();
+        return $this->runExport($flights, $writer, $exporter);
+    }
+}

app/Services/FareService.php

@@ -98,6 +98,12 @@ class FareService extends Service
     {
         $flight->fares()->syncWithoutDetaching([$fare->id]);
 
+        foreach($override as $key => $item) {
+            if(!$item) {
+                unset($override[$key]);
+            }
+        }
+
         # modify any pivot values?
         if (\count($override) > 0) {
             $flight->fares()->updateExistingPivot($fare->id, $override);

app/Services/Import/FlightExporter.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace App\Services\Import;
+
+use App\Interfaces\ImportExport;
+use App\Models\Enums\FlightType;
+use App\Models\Fare;
+use App\Models\Flight;
+use App\Models\Subfleet;
+use Log;
+
+/**
+ * The flight importer can be imported or export. Operates on rows
+ *
+ * @package App\Services\Import
+ */
+class FlightExporter extends ImportExport
+{
+    /**
+     * Set the current columns and other setup
+     */
+    public function __construct()
+    {
+        self::$columns = FlightImporter::$columns;
+    }
+
+    /**
+     * Import a flight, parse out the different rows
+     * @param Flight $flight
+     * @return array
+     */
+    public function export(Flight $flight): array
+    {
+        $ret = [];
+        foreach(self::$columns as $column) {
+            $ret[$column] = $flight->{$column};
+        }
+
+        # Modify special fields
+        $ret['airline'] = $ret['airline']->icao;
+        $ret['distance'] = $ret['distance']->toNumber();
+
+        $ret['fares'] = $this->getFares($flight);
+        $ret['fields'] = $this->getFields($flight);
+        $ret['subfleets'] = $this->getSubfleets($flight);
+
+        return $ret;
+    }
+
+    /**
+     * Return any custom fares that have been made to this flight
+     * @param Flight $flight
+     * @return string
+     */
+    protected function getFares(Flight &$flight): string
+    {
+        $fares = [];
+        foreach($flight->fares as $fare) {
+            $fare_export = [];
+            if($fare->pivot->price) {
+                $fare_export['price'] = $fare->pivot->price;
+            }
+
+            if ($fare->pivot->cost) {
+                $fare_export['cost'] = $fare->pivot->cost;
+            }
+
+            if ($fare->pivot->capacity) {
+                $fare_export['capacity'] = $fare->pivot->capacity;
+            }
+
+            $fares[$fare->code] = $fare_export;
+        }
+
+        return $this->objectToMultiString($fares);
+    }
+
+    /**
+     * Parse all of the subfields
+     * @param Flight $flight
+     * @return string
+     */
+    protected function getFields(Flight &$flight): string
+    {
+        $ret = [];
+        foreach ($flight->field_values as $field) {
+            $ret[$field->name] = $field->value;
+        }
+
+        return $this->objectToMultiString($ret);
+    }
+
+    /**
+     * Create the list of subfleets that are associated here
+     * @param Flight $flight
+     * @return string
+     */
+    protected function getSubfleets(Flight &$flight): string
+    {
+        $subfleets = [];
+        foreach($flight->subfleets as $subfleet) {
+            $subfleets[] = $subfleet->type;
+        }
+
+        return $this->objectToMultiString($subfleets);
+    }
+}