import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
+import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.accounts.Account;
import android.content.Context;
-
import com.owncloud.android.Log_OC;
import com.owncloud.android.datamodel.DataStorageManager;
import com.owncloud.android.datamodel.OCFile;
/** Id of the folder to synchronize in the local database */
private long mParentId;
-
+
/** Access to the local database */
private DataStorageManager mStorageManager;
return mChildren;
}
-
+ public String getRemotePath() {
+ return mRemotePath;
+ }
+
+ public long getParentId() {
+ return mParentId;
+ }
+
@Override
protected RemoteOperationResult run(WebdavClient client) {
RemoteOperationResult result = null;
mFailsInFavouritesFound = 0;
mConflictsFound = 0;
mForgottenLocalFiles.clear();
-
+ boolean fileChanged = false;
+
// code before in FileSyncAdapter.fetchData
PropFindMethod query = null;
try {
Log_OC.d(TAG, "Synchronizing " + mAccount.name + ", fetching files in " + mRemotePath);
-
+
// remote request
query = new PropFindMethod(client.getBaseUri() + WebdavUtils.encodePath(mRemotePath));
int status = client.executeMethod(query);
-
+
// check and process response - /// TODO take into account all the possible status per child-resource
if (isMultiStatus(status)) {
MultiStatus resp = query.getResponseBodyAsMultiStatus();
-
+
// synchronize properties of the parent folder, if necessary
if (mParentId == DataStorageManager.ROOT_PARENT_ID) {
WebdavEntry we = new WebdavEntry(resp.getResponses()[0], client.getBaseUri().getPath());
+
+ // Properties of server folder
OCFile parent = fillOCFile(we);
- mStorageManager.saveFile(parent);
- mParentId = parent.getFileId();
+ // Properties of local folder
+ OCFile localParent = mStorageManager.getFileById(1);
+ if (parent.getEtag() != localParent.getEtag()) {
+ mStorageManager.saveFile(parent);
+ mParentId = parent.getFileId();
+ }
}
-
+
+
// read contents in folder
+ List<String> filesOnServer = new ArrayList<String> (); // Contains the lists of files on server
List<OCFile> updatedFiles = new Vector<OCFile>(resp.getResponses().length - 1);
List<SynchronizeFileOperation> filesToSyncContents = new Vector<SynchronizeFileOperation>();
for (int i = 1; i < resp.getResponses().length; ++i) {
/// new OCFile instance with the data from the server
WebdavEntry we = new WebdavEntry(resp.getResponses()[i], client.getBaseUri().getPath());
OCFile file = fillOCFile(we);
-
+
+ filesOnServer.add(file.getRemotePath()); // Registry the file in the list
+
/// set data about local state, keeping unchanged former data if existing
file.setLastSyncDateForProperties(mCurrentSyncTime);
OCFile oldFile = mStorageManager.getFileByPath(file.getRemotePath());
+
+ // Check if it is needed to synchronize the folder
+ fileChanged = false;
if (oldFile != null) {
- file.setKeepInSync(oldFile.keepInSync());
- file.setLastSyncDateForData(oldFile.getLastSyncDateForData());
- file.setModificationTimestampAtLastSyncForData(oldFile.getModificationTimestampAtLastSyncForData()); // must be kept unchanged when the file contents are not updated
- checkAndFixForeignStoragePath(oldFile);
- file.setStoragePath(oldFile.getStoragePath());
- }
+ if (!file.getEtag().equalsIgnoreCase(oldFile.getEtag())) {
+ fileChanged = true;
+ }
+ } else
+ fileChanged= true;
- /// scan default location if local copy of file is not linked in OCFile instance
- if (file.getStoragePath() == null && !file.isDirectory()) {
- File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
- if (f.exists()) {
- file.setStoragePath(f.getAbsolutePath());
- file.setLastSyncDateForData(f.lastModified());
+ if (fileChanged){
+ if (oldFile != null) {
+ file.setKeepInSync(oldFile.keepInSync());
+ file.setLastSyncDateForData(oldFile.getLastSyncDateForData());
+ file.setModificationTimestampAtLastSyncForData(oldFile.getModificationTimestampAtLastSyncForData()); // must be kept unchanged when the file contents are not updated
+ checkAndFixForeignStoragePath(oldFile);
+ file.setStoragePath(oldFile.getStoragePath());
}
+ /// scan default location if local copy of file is not linked in OCFile instance
+ if (file.getStoragePath() == null && !file.isDirectory()) {
+ File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
+ if (f.exists()) {
+ file.setStoragePath(f.getAbsolutePath());
+ file.setLastSyncDateForData(f.lastModified());
+ }
+ }
+
+ /// prepare content synchronization for kept-in-sync files
+ if (file.keepInSync()) {
+ SynchronizeFileOperation operation = new SynchronizeFileOperation( oldFile,
+ file,
+ mStorageManager,
+ mAccount,
+ true,
+ false,
+ mContext
+ );
+ filesToSyncContents.add(operation);
+ }
+
+ updatedFiles.add(file);
}
-
- /// prepare content synchronization for kept-in-sync files
- if (file.keepInSync()) {
- SynchronizeFileOperation operation = new SynchronizeFileOperation( oldFile,
- file,
- mStorageManager,
- mAccount,
- true,
- false,
- mContext
- );
- filesToSyncContents.add(operation);
- }
-
- updatedFiles.add(file);
}
-
+
// save updated contents in local database; all at once, trying to get a best performance in database update (not a big deal, indeed)
mStorageManager.saveFiles(updatedFiles);
-
+
// request for the synchronization of files AFTER saving last properties
- SynchronizeFileOperation op = null;
+ //SynchronizeFileOperation op = null;
RemoteOperationResult contentsResult = null;
- for (int i=0; i < filesToSyncContents.size(); i++) {
- op = filesToSyncContents.get(i);
+ for (SynchronizeFileOperation op: filesToSyncContents) {//int i=0; i < filesToSyncContents.size(); i++) {
+ //op = filesToSyncContents.get(i);
contentsResult = op.execute(client); // returns without waiting for upload or download finishes
if (!contentsResult.isSuccess()) {
if (contentsResult.getCode() == ResultCode.SYNC_CONFLICT) {
} // won't let these fails break the synchronization process
}
-
+
// removal of obsolete files
mChildren = mStorageManager.getDirectoryContent(mStorageManager.getFileById(mParentId));
- OCFile file;
+ //OCFile file;
String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
- for (int i=0; i < mChildren.size(); ) {
- file = mChildren.get(i);
- if (file.getLastSyncDateForProperties() != mCurrentSyncTime) {
- Log_OC.d(TAG, "removing file: " + file);
- mStorageManager.removeFile(file, (file.isDown() && file.getStoragePath().startsWith(currentSavePath)));
- mChildren.remove(i);
- } else {
- i++;
+ for (OCFile fileChild: mChildren) {
+ //file = mChildren.get(i);
+ //if (file.getLastSyncDateForProperties() != mCurrentSyncTime) {
+ if (!filesOnServer.contains(fileChild.getRemotePath())) {
+ Log_OC.d(TAG, "removing file: " + fileChild.getFileName());
+ mStorageManager.removeFile(fileChild, (fileChild.isDown() && fileChild.getStoragePath().startsWith(currentSavePath)));
+ mChildren.remove(fileChild); //.remove(i);
}
+ // } else {
+ // i++;
+ // }
}
-
+ // }
+ //}
+
} else {
client.exhaustResponse(query.getResponseBodyAsStream());
}
-
+
// prepare result object
- if (isMultiStatus(status)) {
+ if (!fileChanged) {
+ result = new RemoteOperationResult(ResultCode.OK_NO_CHANGES_ON_DIR);
+
+ } else if (isMultiStatus(status)) {
if (mConflictsFound > 0 || mFailsInFavouritesFound > 0) {
result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT); // should be different result, but will do the job
-
+
} else {
result = new RemoteOperationResult(true, status, query.getResponseHeaders());
}
} else {
result = new RemoteOperationResult(false, status, query.getResponseHeaders());
}
-
-
-
+ Log_OC.i(TAG, "Synchronizing " + mAccount.name + ", folder " + mRemotePath + ": " + result.getLogMessage());
+
} catch (Exception e) {
result = new RemoteOperationResult(e);
}
}
}
-
+
return result;
}
-
+
public boolean isMultiStatus(int status) {
return (status == HttpStatus.SC_MULTI_STATUS);
file.setMimetype(we.contentType());
file.setModificationTimestamp(we.modifiedTimestamp());
file.setParentId(mParentId);
+ file.setEtag(we.etag());
return file;
}
*
* If the copy fails, the link to the local file is nullified. The account of forgotten files is kept in
* {@link #mForgottenLocalFiles}
- *
+ *)
* @param file File to check and fix.
*/
private void checkAndFixForeignStoragePath(OCFile file) {