Fix Static tier mapper

Author: Mike Edinger

src/Mappers/Tiers/TiersMapper.php

@@ -17,7 +17,13 @@ public function map(array $data): array
 
         $tiers = [];
         foreach ($data as $item) {
-            $tiers[] = $mapper->map($item);
+            $tier = $mapper->map($item);
+
+            if (!$tier) {
+                continue;
+            }
+
+            $tiers[] = $tier;
         }
 
         return $tiers;

src/Models/Tiers/Tier.php

@@ -109,7 +109,7 @@ public static function list(array $params = []): array
      *
      * @throws MaintenanceModeException|GuzzleException|PiggyRequestException
      */
-    public static function findBy(string $contactUuid, array $params = []): Tier
+    public static function findBy(string $contactUuid, array $params = []): ?Tier
     {
         $response = ApiClient::get(self::contactsResourceUri."/$contactUuid/tier", $params);
 

src/StaticMappers/Tiers/TierMapper.php

@@ -6,11 +6,15 @@
 
 class TierMapper
 {
-    public static function map($data): Tier
+    public static function map($data): ?Tier
     {
+        if (!$data->name) {
+            return null;
+        }
+
         return new Tier(
             $data->name,
-            $data->position,
+            $data->position ?? 0,
             $data->uuid ?? null,
             $data->description ?? null,
             $data->media ? get_object_vars($data->media) : null

src/StaticMappers/Tiers/TiersMapper.php

@@ -8,7 +8,13 @@ public static function map($data): array
     {
         $tiers = [];
         foreach ($data as $item) {
-            $tiers[] = TierMapper::map($item);
+            $tier = TierMapper::map($item);;
+
+            if (!$tier) {
+                continue;
+            }
+
+            $tiers[] = $tier;
         }
 
         return $tiers;