Move slides thumbnail to advanced folder

Author: grant

advanced/slides.gs

@@ -152,3 +152,21 @@ function formatShapeText(presentationId, shapeId) {
       Slides.Presentations.batchUpdate({'requests': requests}, presentationId);
 }
 // [END apps_script_slides_format_shape_text]
+
+// [START apps_script_slides_thumbnail]
+/**
+ * Saves a thumbnail image of the current Google Slide presentation in Google Drive.
+ * Logs the image URL.
+ * @param {number} i The zero-based slide index. 0 is the first slide.
+ * @example saveThumbnailImage(0)
+ */
+function saveThumbnailImage(i) {
+  var presentation = SlidesApp.getActivePresentation();
+  var thumbnail = Slides.Presentations.Pages.getThumbnail(
+    presentation.getId(), presentation.getSlides()[i].getObjectId());
+  var response = UrlFetchApp.fetch(thumbnail.contentUrl);
+  var image = response.getBlob();
+  var file = DriveApp.createFile(image);
+  Logger.log(file.getUrl());
+}
+// [END apps_script_slides_thumbnail]