OC-576: method updateSubtreeSize in FileDataStorageManager. OC-523

src/com/owncloud/android/datamodel/DataStorageManager.java

@@ -49,6 +49,8 @@ public interface DataStorageManager {
     
     public Vector<OCFile> getFilesbyParent(long id);
     
+    public void saveFolderSize(long id);
+    
     public int updatefolderSize(long id, long size);
   
 }

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

@@ -465,6 +465,8 @@ public class FileDataStorageManager implements DataStorageManager {
                 f.delete();
             }
         }
+        
+        updateSubtreeSize(file.getParentId());
     }
 
     @Override
@@ -621,13 +623,33 @@ public class FileDataStorageManager implements DataStorageManager {
 
         return ret;
     }
+    
+    /**
+     * Calculate and save the folderSize on DB
+     * @param id
+     */
+    @Override
+    public void saveFolderSize(long id) {
+        long folderSize = 0;
+        
+        Vector<OCFile> files = getFilesbyParent(id);
+        
+        Log_OC.d(TAG, "Folder " + String.valueOf(id) + "--- Number of Files = " + String.valueOf(files.size()));
+        
+        for (OCFile f: files)
+        {
+            folderSize = folderSize + f.getFileLength();
+            Log_OC.d(TAG, "Folder Size = " + String.valueOf(folderSize));
+        }
+        
+        updatefolderSize(id, folderSize);
+    }
 
     /**
-     * Update the size value of a folder
+     * Update the size value of a folder on DB
      */
     @Override
-    public int updatefolderSize(long id, long size)
-    {
+    public int updatefolderSize(long id, long size) {
         ContentValues cv = new ContentValues();
         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, size);
         int result = getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, ProviderTableMeta._ID + "=?", 
@@ -635,5 +657,26 @@ public class FileDataStorageManager implements DataStorageManager {
         return result;
     }
 
+    /** 
+     * Update the size of a subtree of folder from a file to the root
+     * @param parentId: parent of the file
+     */
+    private void updateSubtreeSize(long parentId) {
+        
+        OCFile file; 
+
+        while (parentId != 0) {
+            
+            Log_OC.d(TAG, "parent = " + parentId);
+            // Update the size of the parent
+            saveFolderSize(parentId);
+            
+            // search the next parent
+            file = getFileById(parentId);            
+            parentId = file.getParentId();
+            
+        }              
+        
+    }
     
 }

src/com/owncloud/android/syncadapter/FileSyncAdapter.java

@@ -268,7 +268,7 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
                 
                 // Update folder size on DB
                 FileDataStorageManager storageManager = new FileDataStorageManager(getAccount(), getContext().getContentResolver());
-                FileStorageUtils.saveFolderSize(newFile.getFileId(), storageManager);       
+                storageManager.saveFolderSize(newFile.getFileId());       
             }
         }
        

src/com/owncloud/android/utils/FileStorageUtils.java

@@ -18,7 +18,6 @@
 package com.owncloud.android.utils;
 
 import java.io.File;
-import java.util.Vector;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
@@ -26,9 +25,7 @@ import android.net.Uri;
 import android.os.Environment;
 import android.os.StatFs;
 
-import com.owncloud.android.Log_OC;
 import com.owncloud.android.R;
-import com.owncloud.android.datamodel.DataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 
 /**
@@ -77,21 +74,5 @@ public class FileStorageUtils {
         String value = uploadPath + OCFile.PATH_SEPARATOR +  (fileName == null ? "" : fileName);
         return value;
     }
-    
-    public static void saveFolderSize(long id, DataStorageManager storageManager)
-    {
-        long folderSize = 0;
-        
-        Vector<OCFile> files = storageManager.getFilesbyParent(id);
-        
-        Log_OC.d(LOG_TAG, "Folder " + String.valueOf(id) + "--- Number of Files = " + String.valueOf(files.size()));
-        
-        for (OCFile f: files)
-        {
-            folderSize = folderSize + f.getFileLength();
-            Log_OC.d(LOG_TAG, "Folder Size = " + String.valueOf(folderSize));
-        }
-        
-        storageManager.updatefolderSize(id, folderSize);
-    }
+  
 }