Merge pull request #463 from binSaed/feature/override--ifNoneMatchHeader

change order to allow to override ifNoneMatchHeader

Author: martijn00

flutter_cache_manager/lib/src/result/file_info.dart

@@ -12,7 +12,8 @@ enum FileSource { NA, Cache, Online }
 /// FileInfo contains the fetch File next to some info on the validity and
 /// the origin of the file.
 class FileInfo extends FileResponse {
-  const FileInfo(this.file, this.source, this.validTill, String originalUrl)
+  const FileInfo(this.file, this.source, this.validTill, String originalUrl,
+      {this.statusCode = 200})
       : super(originalUrl);
 
   /// Fetched file
@@ -24,4 +25,6 @@ class FileInfo extends FileResponse {
   /// Validity date of the file. After this date the validity is not guaranteed
   /// and the CacheManager will try to update the file.
   final DateTime validTill;
+
+  final int statusCode;
 }

flutter_cache_manager/lib/src/web/web_helper.dart

@@ -100,9 +100,6 @@ class WebHelper {
   Future<FileServiceResponse> _download(
       CacheObject cacheObject, Map<String, String>? authHeaders) {
     final headers = <String, String>{};
-    if (authHeaders != null) {
-      headers.addAll(authHeaders);
-    }
 
     final etag = cacheObject.eTag;
 
@@ -111,6 +108,10 @@ class WebHelper {
       headers[HttpHeaders.ifNoneMatchHeader] = etag;
     }
 
+    if (authHeaders != null) {
+      headers.addAll(authHeaders);
+    }
+
     return fileFetcher.get(cacheObject.url, headers: headers);
   }
 
@@ -152,6 +153,7 @@ class WebHelper {
       FileSource.Online,
       newCacheObject.validTill,
       newCacheObject.url,
+      statusCode: response.statusCode,
     );
   }