Granted update of modificationTimestamp with the end of downloads and uploads

src/com/owncloud/android/files/services/FileDownloader.java

@@ -25,8 +25,8 @@ import java.util.Vector;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 
+import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
 import eu.alefzero.webdav.OnDatatransferProgressListener;
 
 import com.owncloud.android.network.OwnCloudClientUtils;
@@ -40,7 +40,6 @@ import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
-import android.content.ContentValues;
 import android.content.Intent;
 import android.os.Binder;
 import android.os.Handler;
@@ -73,6 +72,7 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
     private IBinder mBinder;
     private WebdavClient mDownloadClient = null;
     private Account mLastAccount = null;
+    private FileDataStorageManager mStorageManager;
     
     private ConcurrentMap<String, DownloadFileOperation> mPendingDownloads = new ConcurrentHashMap<String, DownloadFileOperation>();
     private DownloadFileOperation mCurrentDownload = null;
@@ -250,6 +250,7 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
             /// prepare client object to send the request to the ownCloud server
             if (mDownloadClient == null || !mLastAccount.equals(mCurrentDownload.getAccount())) {
                 mLastAccount = mCurrentDownload.getAccount();
+                mStorageManager = new FileDataStorageManager(mLastAccount, getContentResolver());
                 mDownloadClient = OwnCloudClientUtils.createOwnCloudClient(mLastAccount, getApplicationContext());
             }
 
@@ -258,16 +259,7 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
             try {
                 downloadResult = mCurrentDownload.execute(mDownloadClient);
                 if (downloadResult.isSuccess()) {
-                    ContentValues cv = new ContentValues();
-                    cv.put(ProviderTableMeta.FILE_STORAGE_PATH, mCurrentDownload.getSavePath());
-                    getContentResolver().update(
-                            ProviderTableMeta.CONTENT_URI,
-                            cv,
-                            ProviderTableMeta.FILE_NAME + "=? AND "
-                                    + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
-                                    new String[] {
-                                    mCurrentDownload.getSavePath().substring(mCurrentDownload.getSavePath().lastIndexOf('/') + 1),
-                                    mLastAccount.name });
+                    saveDownloadedFile();
                 }
             
             } finally {
@@ -284,7 +276,22 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
         }
     }
 
-    
+
+    /**
+     * Updates the OC File after a successful download.
+     */
+    private void saveDownloadedFile() {
+        OCFile file = mCurrentDownload.getFile();
+        file.setLastSyncDate(System.currentTimeMillis());
+        file.setModificationTimestamp(mCurrentDownload.getModificationTimestamp());
+        // file.setEtag(mCurrentDownload.getEtag());    // TODO Etag, where available
+        file.setMimetype(mCurrentDownload.getMimeType());
+        file.setStoragePath(mCurrentDownload.getSavePath());
+        file.setFileLength((new File(mCurrentDownload.getSavePath()).length()));
+        mStorageManager.saveFile(file);
+    }
+
+
     /**
      * Creates a status notification to show the download progress
      * 

src/com/owncloud/android/files/services/FileUploader.java

@@ -25,6 +25,10 @@ import java.util.Vector;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 
+import org.apache.http.HttpStatus;
+import org.apache.jackrabbit.webdav.MultiStatus;
+import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
+
 import com.owncloud.android.authenticator.AccountAuthenticator;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
@@ -37,6 +41,8 @@ import com.owncloud.android.ui.fragment.FileDetailFragment;
 import com.owncloud.android.utils.OwnCloudVersion;
 
 import eu.alefzero.webdav.OnDatatransferProgressListener;
+import eu.alefzero.webdav.WebdavEntry;
+import eu.alefzero.webdav.WebdavUtils;
 
 import com.owncloud.android.network.OwnCloudClientUtils;
 
@@ -360,7 +366,7 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
             try {
                 uploadResult = mCurrentUpload.execute(mUploadClient);
                 if (uploadResult.isSuccess()) {
-                    saveUploadedFile(mCurrentUpload.getFile(), mStorageManager);
+                    saveUploadedFile();
                 }
                 
             } finally {
@@ -379,15 +385,76 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
     }
 
     /**
-     * Saves a new OC File after a successful upload.
+     * Saves a OC File after a successful upload.
+     * 
+     * A PROPFIND is necessary to keep the props in the local database synchronized with the server, 
+     * specially the modification time and Etag (where available)
      * 
-     * @param file              OCFile describing the uploaded file
-     * @param storageManager    Interface to the database where the new OCFile has to be stored.
-     * @param parentDirId       Id of the parent OCFile.
+     * TODO refactor this ugly thing
      */
-    private void saveUploadedFile(OCFile file, FileDataStorageManager storageManager) {
-        file.setModificationTimestamp(System.currentTimeMillis());
-        storageManager.saveFile(file);
+    private void saveUploadedFile() {
+        OCFile file = mCurrentUpload.getFile();
+        
+        PropFindMethod propfind = null;
+        RemoteOperationResult result = null;
+        try {
+          propfind = new PropFindMethod(mUploadClient.getBaseUri() + WebdavUtils.encodePath(mCurrentUpload.getRemotePath()));
+          int status = mUploadClient.executeMethod(propfind);
+          boolean isMultiStatus = status == HttpStatus.SC_MULTI_STATUS;
+          if (isMultiStatus) {
+              MultiStatus resp = propfind.getResponseBodyAsMultiStatus();
+              WebdavEntry we = new WebdavEntry(resp.getResponses()[0],
+                                               mUploadClient.getBaseUri().getPath());
+              OCFile newFile = fillOCFile(we);
+              newFile.setStoragePath(file.getStoragePath());
+              newFile.setKeepInSync(file.keepInSync());
+              file = newFile;
+              
+          } else {
+              // this would be a problem
+              mUploadClient.exhaustResponse(propfind.getResponseBodyAsStream());
+          }
+          
+          result = new RemoteOperationResult(isMultiStatus, status);
+          Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage());
+          
+        } catch (Exception e) {
+            result = new RemoteOperationResult(e);
+            Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage(), e);
+
+        } finally {
+            if (propfind != null)
+                propfind.releaseConnection();
+        }
+
+        if (!result.isSuccess()) {
+            // file was successfully uploaded, but the new time stamp and Etag in the server could not be read; 
+            // just keeping old values :(
+            if (!mCurrentUpload.getRemotePath().equals(file.getRemotePath())) {
+                // true when the file was automatically renamed to avoid an overwrite 
+                OCFile newFile = new OCFile(mCurrentUpload.getRemotePath());
+                newFile.setCreationTimestamp(file.getCreationTimestamp());
+                newFile.setFileLength(file.getFileLength());
+                newFile.setMimetype(file.getMimetype());
+                newFile.setModificationTimestamp(file.getModificationTimestamp());  // this is specially BAD
+                // newFile.setEtag(file.getEtag()) // TODO and this is still worse 
+                file = newFile;
+            }
+        }
+        
+        file.setLastSyncDate(System.currentTimeMillis());
+        mStorageManager.saveFile(file);
+    }
+
+    
+    private OCFile fillOCFile(WebdavEntry we) {
+        OCFile file = new OCFile(we.decodedPath());
+        file.setCreationTimestamp(we.createTimestamp());
+        file.setFileLength(we.contentLength());
+        file.setMimetype(we.contentType());
+        file.setModificationTimestamp(we.modifiedTimesamp());
+        // file.setEtag(mCurrentDownload.getEtag());    // TODO Etag, where available
+        return file;
     }
     
     

src/com/owncloud/android/operations/DownloadFileOperation.java

@@ -22,11 +22,13 @@ import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Date;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import org.apache.commons.httpclient.Header;
 import org.apache.commons.httpclient.HttpException;
 import org.apache.commons.httpclient.methods.GetMethod;
 import org.apache.http.HttpStatus;
@@ -56,6 +58,7 @@ public class DownloadFileOperation extends RemoteOperation {
     private OCFile mFile;
     private Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();
     private final AtomicBoolean mCancellationRequested = new AtomicBoolean(false);
+    private long mModificationTimestamp = 0;
 
     
     public DownloadFileOperation(Account account, OCFile file) {
@@ -94,7 +97,7 @@ public class DownloadFileOperation extends RemoteOperation {
     }
 
     public String getMimeType() {
-        String mimeType = mFile.getMimetype();  // TODO fix the mime types in OCFiles FOREVER
+        String mimeType = mFile.getMimetype();
         if (mimeType == null || mimeType.length() <= 0) {
             try {
                 mimeType = MimeTypeMap.getSingleton()
@@ -114,6 +117,10 @@ public class DownloadFileOperation extends RemoteOperation {
         return mFile.getFileLength();
     }
     
+    public long getModificationTimestamp() {
+        return (mModificationTimestamp > 0) ? mModificationTimestamp : mFile.getModificationTimestamp();
+    }
+    
     
     public void addDatatransferProgressListener (OnDatatransferProgressListener listener) {
         mDataTransferListeners.add(listener);
@@ -189,6 +196,11 @@ public class DownloadFileOperation extends RemoteOperation {
                     }
                 }
                 savedFile = true;
+                Header modificationTime = get.getResponseHeader("Last-Modified");
+                if (modificationTime != null) {
+                    Date d = WebdavUtils.parseResponseDate((String) modificationTime.getValue());
+                    mModificationTimestamp = (d != null) ? d.getTime() : 0;
+                }
                 
             } else {
                 client.exhaustResponse(get.getResponseBodyAsStream());