Fix issue in sharing HEIC files

lib/utils/share_util.dart

@@ -1,33 +1,31 @@
-import 'dart:io';
 import 'dart:typed_data';
 
 import 'package:esys_flutter_share/esys_flutter_share.dart';
-import 'package:flutter/foundation.dart';
 import 'package:photos/models/photo.dart';
 import 'package:path/path.dart';
 
 Future<void> share(Photo photo) async {
-  final bytes = await _getPhotoBytes(photo);
+  final bytes = await photo.getBytes();
+  final filename = _getFilename(photo.title);
   final ext = extension(photo.title);
-  final shareExt =
-      ext == ".HEIC" ? "jpeg" : ext.substring(1, ext.length).toLowerCase();
-  return Share.file(photo.title, photo.title, bytes, "image/" + shareExt);
+  final shareExt = photo.title.endsWith(".HEIC")
+      ? "jpg"
+      : ext.substring(1, ext.length).toLowerCase();
+  return Share.file(filename, filename, bytes, "image/" + shareExt);
 }
 
 Future<void> shareMultiple(List<Photo> photos) async {
   final shareContent = Map<String, Uint8List>();
   for (Photo photo in photos) {
-    shareContent[photo.title] = await _getPhotoBytes(photo);
+    shareContent[_getFilename(photo.title)] = await photo.getBytes();
   }
   return Share.files("images", shareContent, "*/*");
 }
 
-Future<Uint8List> _getPhotoBytes(Photo photo) async {
-  if (photo.localId != null) {
-    return await photo.getBytes();
+String _getFilename(String name) {
+  if (name.endsWith(".HEIC")) {
+    return name.substring(0, name.lastIndexOf(".HEIC")) + ".JPG";
   } else {
-    var request = await HttpClient().getUrl(Uri.parse(photo.getRemoteUrl()));
-    var response = await request.close();
-    return await consolidateHttpClientResponseBytes(response);
+    return name;
   }
 }