Fix an error that occurred when no mail was previously sent (#10)

Author: 06Games

Helpers/Changes.php

@@ -5,6 +5,7 @@
 use DateInterval;
 use DateTimeImmutable;
 use EvanG\Modules\MailSystem\Settings;
+use Exception;
 use Fisharebest\Webtrees\Registry;
 use Fisharebest\Webtrees\Services\UserService;
 use Fisharebest\Webtrees\Tree;
@@ -23,7 +24,7 @@ public function __construct()
     }
 
     /**
-     * @throws \Exception
+     * @throws Exception
      */
     public function get(Settings $args, Tree $tree): Collection
     {

Helpers/News.php

@@ -2,26 +2,32 @@
 
 namespace EvanG\Modules\MailSystem\Helpers;
 
+use DateInterval;
 use DateTime;
 use DateTimeInterface;
 use DateTimeZone;
 use EvanG\Modules\MailSystem\Settings;
+use Exception;
 use Fisharebest\Webtrees\Tree;
-use Illuminate\Support\Collection;
 use Illuminate\Database\Capsule\Manager as DB;
+use Illuminate\Support\Collection;
 use stdClass;
 
 class News implements DataGetter
 {
+    /**
+     * @throws Exception
+     */
     public function get(Settings $args, Tree $tree): Collection
     {
+        $minDate = $args->getLastSend() ?? $args->getThisSend()->sub(new DateInterval('P' . $args->getDays() . 'D'));
         return DB::table('news')
             ->where('gedcom_id', '=', $tree->id())
-            ->where('updated', '>', $args->getLastSend()->format("Y-m-d H:i:s"))
+            ->where('updated', '>', $minDate->format("Y-m-d H:i:s"))
             ->where('updated', '<', $args->getThisSend()->format("Y-m-d H:i:s"))
             ->orderBy('updated')
             ->get()
-            ->map(function (stdClass $row){
+            ->map(function (stdClass $row) {
                 return [
                     "id" => $row->news_id,
                     "date" => (new DateTime($row->updated, new DateTimeZone("UTC")))->format(DateTimeInterface::ATOM),