update file via remote id

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

src/main/java/com/owncloud/android/datamodel/FileDataStorageManager.java

@@ -141,6 +141,17 @@ public class FileDataStorageManager {
         return file;
     }
 
+    public @Nullable
+    OCFile getFileByRemoteId(String remoteId) {
+        Cursor c = getFileCursorForValue(ProviderTableMeta.FILE_REMOTE_ID, remoteId);
+        OCFile file = null;
+        if (c.moveToFirst()) {
+            file = createFileInstance(c);
+        }
+        c.close();
+        return file;
+    }
+
     public boolean fileExists(long id) {
         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
     }

src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -1521,8 +1521,9 @@ public class FileDisplayActivity extends HookActivity
                 }
 
                 if (mWaitingToSend != null) {
-                    mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath());
-                    if (mWaitingToSend.isDown() && downloadBehaviour != null) {
+                    // update file after downloading
+                    mWaitingToSend = getStorageManager().getFileByRemoteId(mWaitingToSend.getRemoteId());
+                    if (mWaitingToSend != null && mWaitingToSend.isDown() && downloadBehaviour != null) {
                         switch (downloadBehaviour) {
                             case OCFileListFragment.DOWNLOAD_SEND:
                                 String packageName = intent.getStringExtra(SendShareDialog.PACKAGE_NAME);