adding ability to zip export of multiple tables (#299)

AppVeyor fail is unrelated

Author: Haran

src/Command/ExportCommand.php

@@ -118,6 +118,9 @@ protected function doExecute(InputInterface $input, OutputInterface $output): in
 
             /** @var Zip $zipArchive */
             $zipArchive = (new Archive())->getAdapter('zip');
+
+            $filenames = [];
+            $zipFilesArray = [];
         }
 
         foreach ($tables as $table) {
@@ -137,15 +140,21 @@ protected function doExecute(InputInterface $input, OutputInterface $output): in
                 File::write($filename, $data);
 
                 if ($zip) {
-                    $zipFilesArray = [['name' => $table . '.xml', 'data' => $data]];
-                    $zipArchive->create($zipFile, $zipFilesArray);
-                    File::delete($filename);
+                    $zipFilesArray[] = ['name' => $table . '.xml', 'data' => $data];
+                    $filenames[] = $filename;
                 }
 
                 $symfonyStyle->text(sprintf('Exported data for %s in %d seconds', $table, round(microtime(true) - $taskTime, 3)));
             }
         }
 
+        if ($zip) {
+            $zipArchive->create($zipFile, $zipFilesArray);
+            foreach ($filenames as $fname) {
+                File::delete($fname);
+            }
+        }
+
         $symfonyStyle->success(sprintf('Export completed in %d seconds', round(microtime(true) - $totalTime, 3)));
 
         return 0;