Update form import/export to be compatible with tempAssetUploadFs

Author: engram-design

src/controllers/ImportExportController.php

@@ -2,6 +2,7 @@
 namespace verbb\formie\controllers;
 
 use verbb\formie\Formie;
+use verbb\formie\helpers\Assets;
 use verbb\formie\helpers\HandleHelper;
 use verbb\formie\helpers\ImportExportHelper;
 use verbb\formie\helpers\StringHelper;
@@ -51,7 +52,7 @@ public function actionImport(): ?Response
         }
 
         $filename = 'formie-import-' . gmdate('ymd_His') . '.json';
-        $fileLocation = Craft::$app->getPath()->getTempPath() . DIRECTORY_SEPARATOR . $filename;
+        $fileLocation = Assets::getTempPath($filename);
 
         move_uploaded_file($uploadedFile->tempName, $fileLocation);
 
@@ -65,7 +66,7 @@ public function actionImportConfigure(string $filename): ?Response
     {
         $request = $this->request;
 
-        $fileLocation = Craft::$app->getPath()->getTempPath() . DIRECTORY_SEPARATOR . $filename;
+        $fileLocation = Assets::getTempPath($filename);
 
         if (!file_exists($fileLocation)) {
             throw new HttpException(404);
@@ -148,7 +149,7 @@ public function actionImportComplete(): ?Response
         $filename = $request->getParam('filename');
         $formAction = $request->getParam('formAction');
 
-        $fileLocation = Craft::$app->getPath()->getTempPath() . DIRECTORY_SEPARATOR . $filename;
+        $fileLocation = Assets::getTempPath($filename);
 
         if (!file_exists($fileLocation)) {
             throw new HttpException(404);

src/helpers/Assets.php

@@ -12,6 +12,20 @@ class Assets extends CraftAssets
     // Static Methods
     // =========================================================================
 
+    public static function getTempPath(string $filename): string
+    {
+        // Use `tempAssetUploadFs` if set for Servd/Cloud support
+        $fs = Craft::$app->getAssets()->getTempAssetUploadFs();
+
+        if ($fs instanceof LocalFsInterface) {
+            $path = sprintf('%s/%s', rtrim($fs->getRootPath(), '/'), $filename);
+            
+            return FileHelper::normalizePath($path);
+        }
+
+        return sprintf('%s/%s', rtrim(Craft::$app->getPath()->getTempPath(), '/'), $filename);
+    }
+
     public static function getFullAssetFilePath(Asset $asset): string
     {
         $volume = $asset->getVolume();