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

588 lines
24 KiB
Java

/* ownCloud Android client application
* Copyright (C) 2012 Bartek Przybylski
* Copyright (C) 2012-2013 ownCloud Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.owncloud.android.datamodel;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;
import com.owncloud.android.Log_OC;
import com.owncloud.android.db.ProviderMeta;
import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
import com.owncloud.android.utils.FileStorageUtils;
import android.accounts.Account;
import android.content.ContentProviderClient;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.net.Uri;
import android.os.RemoteException;
import android.util.Log;
public class FileDataStorageManager implements DataStorageManager {
private ContentResolver mContentResolver;
private ContentProviderClient mContentProvider;
private Account mAccount;
private static String TAG = "FileDataStorageManager";
public FileDataStorageManager(Account account, ContentResolver cr) {
mContentProvider = null;
mContentResolver = cr;
mAccount = account;
}
public FileDataStorageManager(Account account, ContentProviderClient cp) {
mContentProvider = cp;
mContentResolver = null;
mAccount = account;
}
@Override
public OCFile getFileByPath(String path) {
Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
OCFile file = null;
if (c.moveToFirst()) {
file = createFileInstance(c);
}
c.close();
if (file == null && OCFile.PATH_SEPARATOR.equals(path)) {
return createRootDir(); // root should always exist
}
return file;
}
private OCFile createRootDir() {
OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
file.setMimetype("DIR");
file.setParentId(DataStorageManager.ROOT_PARENT_ID);
saveFile(file);
return file;
}
@Override
public OCFile getFileById(long id) {
Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
OCFile file = null;
if (c.moveToFirst()) {
file = createFileInstance(c);
}
c.close();
return file;
}
public OCFile getFileByLocalPath(String path) {
Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
OCFile file = null;
if (c.moveToFirst()) {
file = createFileInstance(c);
}
c.close();
return file;
}
@Override
public boolean fileExists(long id) {
return fileExists(ProviderTableMeta._ID, String.valueOf(id));
}
@Override
public boolean fileExists(String path) {
return fileExists(ProviderTableMeta.FILE_PATH, path);
}
@Override
public boolean saveFile(OCFile file) {
boolean overriden = false;
ContentValues cv = new ContentValues();
cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
if (file.getParentId() != 0)
cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
if (!file.isDirectory())
cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
boolean sameRemotePath = fileExists(file.getRemotePath());
if (sameRemotePath ||
fileExists(file.getFileId()) ) { // for renamed files; no more delete and create
if (sameRemotePath) {
OCFile oldFile = getFileByPath(file.getRemotePath());
file.setFileId(oldFile.getFileId());
}
overriden = true;
if (getContentResolver() != null) {
getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
ProviderTableMeta._ID + "=?",
new String[] { String.valueOf(file.getFileId()) });
} else {
try {
getContentProvider().update(ProviderTableMeta.CONTENT_URI,
cv, ProviderTableMeta._ID + "=?",
new String[] { String.valueOf(file.getFileId()) });
} catch (RemoteException e) {
Log_OC.e(TAG,
"Fail to insert insert file to database "
+ e.getMessage());
}
}
} else {
Uri result_uri = null;
if (getContentResolver() != null) {
result_uri = getContentResolver().insert(
ProviderTableMeta.CONTENT_URI_FILE, cv);
} else {
try {
result_uri = getContentProvider().insert(
ProviderTableMeta.CONTENT_URI_FILE, cv);
} catch (RemoteException e) {
Log_OC.e(TAG,
"Fail to insert insert file to database "
+ e.getMessage());
}
}
if (result_uri != null) {
long new_id = Long.parseLong(result_uri.getPathSegments()
.get(1));
file.setFileId(new_id);
}
}
if (file.isDirectory() && file.needsUpdatingWhileSaving())
for (OCFile f : getDirectoryContent(file))
saveFile(f);
return overriden;
}
@Override
public void saveFiles(List<OCFile> files) {
Iterator<OCFile> filesIt = files.iterator();
ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(files.size());
OCFile file = null;
// prepare operations to perform
while (filesIt.hasNext()) {
file = filesIt.next();
ContentValues cv = new ContentValues();
cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
if (file.getParentId() != 0)
cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
if (!file.isDirectory())
cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
if (fileExists(file.getRemotePath())) {
OCFile oldFile = getFileByPath(file.getRemotePath());
file.setFileId(oldFile.getFileId());
operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
withValues(cv).
withSelection( ProviderTableMeta._ID + "=?",
new String[] { String.valueOf(file.getFileId()) })
.build());
} else if (fileExists(file.getFileId())) {
OCFile oldFile = getFileById(file.getFileId());
if (file.getStoragePath() == null && oldFile.getStoragePath() != null)
file.setStoragePath(oldFile.getStoragePath());
if (!file.isDirectory());
cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
withValues(cv).
withSelection( ProviderTableMeta._ID + "=?",
new String[] { String.valueOf(file.getFileId()) })
.build());
} else {
operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
}
}
// apply operations in batch
ContentProviderResult[] results = null;
try {
if (getContentResolver() != null) {
results = getContentResolver().applyBatch(ProviderMeta.AUTHORITY_FILES, operations);
} else {
results = getContentProvider().applyBatch(operations);
}
} catch (OperationApplicationException e) {
Log_OC.e(TAG, "Fail to update/insert list of files to database " + e.getMessage());
} catch (RemoteException e) {
Log_OC.e(TAG, "Fail to update/insert list of files to database " + e.getMessage());
}
// update new id in file objects for insertions
if (results != null) {
long newId;
for (int i=0; i<results.length; i++) {
if (results[i].uri != null) {
newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
files.get(i).setFileId(newId);
//Log_OC.v(TAG, "Found and added id in insertion for " + files.get(i).getRemotePath());
}
}
}
for (OCFile aFile : files) {
if (aFile.isDirectory() && aFile.needsUpdatingWhileSaving())
saveFiles(getDirectoryContent(aFile));
}
}
public void setAccount(Account account) {
mAccount = account;
}
public Account getAccount() {
return mAccount;
}
public void setContentResolver(ContentResolver cr) {
mContentResolver = cr;
}
public ContentResolver getContentResolver() {
return mContentResolver;
}
public void setContentProvider(ContentProviderClient cp) {
mContentProvider = cp;
}
public ContentProviderClient getContentProvider() {
return mContentProvider;
}
@Override
public Vector<OCFile> getDirectoryContent(OCFile f) {
Vector<OCFile> ret = new Vector<OCFile>();
if (f != null && f.isDirectory() && f.getFileId() != -1) {
Uri req_uri = Uri.withAppendedPath(
ProviderTableMeta.CONTENT_URI_DIR,
String.valueOf(f.getFileId()));
Cursor c = null;
if (getContentProvider() != null) {
try {
c = getContentProvider().query(req_uri, null,
ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
new String[] { mAccount.name }, null);
} catch (RemoteException e) {
Log_OC.e(TAG, e.getMessage());
return ret;
}
} else {
c = getContentResolver().query(req_uri, null,
ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
new String[] { mAccount.name }, null);
}
if (c.moveToFirst()) {
do {
OCFile child = createFileInstance(c);
ret.add(child);
} while (c.moveToNext());
}
c.close();
Collections.sort(ret);
}
return ret;
}
private boolean fileExists(String cmp_key, String value) {
Cursor c;
if (getContentResolver() != null) {
c = getContentResolver()
.query(ProviderTableMeta.CONTENT_URI,
null,
cmp_key + "=? AND "
+ ProviderTableMeta.FILE_ACCOUNT_OWNER
+ "=?",
new String[] { value, mAccount.name }, null);
} else {
try {
c = getContentProvider().query(
ProviderTableMeta.CONTENT_URI,
null,
cmp_key + "=? AND "
+ ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
new String[] { value, mAccount.name }, null);
} catch (RemoteException e) {
Log_OC.e(TAG,
"Couldn't determine file existance, assuming non existance: "
+ e.getMessage());
return false;
}
}
boolean retval = c.moveToFirst();
c.close();
return retval;
}
private Cursor getCursorForValue(String key, String value) {
Cursor c = null;
if (getContentResolver() != null) {
c = getContentResolver()
.query(ProviderTableMeta.CONTENT_URI,
null,
key + "=? AND "
+ ProviderTableMeta.FILE_ACCOUNT_OWNER
+ "=?",
new String[] { value, mAccount.name }, null);
} else {
try {
c = getContentProvider().query(
ProviderTableMeta.CONTENT_URI,
null,
key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
+ "=?", new String[] { value, mAccount.name },
null);
} catch (RemoteException e) {
Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
c = null;
}
}
return c;
}
private OCFile createFileInstance(Cursor c) {
OCFile file = null;
if (c != null) {
file = new OCFile(c.getString(c
.getColumnIndex(ProviderTableMeta.FILE_PATH)));
file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
file.setParentId(c.getLong(c
.getColumnIndex(ProviderTableMeta.FILE_PARENT)));
file.setMimetype(c.getString(c
.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
if (!file.isDirectory()) {
file.setStoragePath(c.getString(c
.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
if (file.getStoragePath() == null) {
// try to find existing file and bind it with current account; - with the current update of SynchronizeFolderOperation, this won't be necessary anymore after a full synchronization of the account
File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
if (f.exists()) {
file.setStoragePath(f.getAbsolutePath());
file.setLastSyncDateForData(f.lastModified());
}
}
}
file.setFileLength(c.getLong(c
.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
file.setCreationTimestamp(c.getLong(c
.getColumnIndex(ProviderTableMeta.FILE_CREATION)));
file.setModificationTimestamp(c.getLong(c
.getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
file.setModificationTimestampAtLastSyncForData(c.getLong(c
.getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
file.setLastSyncDateForProperties(c.getLong(c
.getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
file.setLastSyncDateForData(c.getLong(c.
getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
file.setKeepInSync(c.getInt(
c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
}
return file;
}
@Override
public void removeFile(OCFile file, boolean removeLocalCopy) {
Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
if (getContentProvider() != null) {
try {
getContentProvider().delete(file_uri,
ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
new String[]{mAccount.name});
} catch (RemoteException e) {
e.printStackTrace();
}
} else {
getContentResolver().delete(file_uri,
ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
new String[]{mAccount.name});
}
if (file.isDown() && removeLocalCopy) {
new File(file.getStoragePath()).delete();
}
if (file.isDirectory() && removeLocalCopy) {
File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
if (f.exists() && f.isDirectory() && (f.list() == null || f.list().length == 0)) {
f.delete();
}
}
}
@Override
public void removeDirectory(OCFile dir, boolean removeDBData, boolean removeLocalContent) {
// TODO consider possible failures
if (dir != null && dir.isDirectory() && dir.getFileId() != -1) {
Vector<OCFile> children = getDirectoryContent(dir);
if (children.size() > 0) {
OCFile child = null;
for (int i=0; i<children.size(); i++) {
child = children.get(i);
if (child.isDirectory()) {
removeDirectory(child, removeDBData, removeLocalContent);
} else {
if (removeDBData) {
removeFile(child, removeLocalContent);
} else if (removeLocalContent) {
if (child.isDown()) {
new File(child.getStoragePath()).delete();
}
}
}
}
}
if (removeDBData) {
removeFile(dir, true);
}
}
}
/**
* Updates database for a folder that was moved to a different location.
*
* TODO explore better (faster) implementations
* TODO throw exceptions up !
*/
@Override
public void moveDirectory(OCFile dir, String newPath) {
// TODO check newPath
if (dir != null && dir.isDirectory() && dir.fileExists() && !dir.getFileName().equals(OCFile.PATH_SEPARATOR)) {
/// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
Cursor c = null;
if (getContentProvider() != null) {
try {
c = getContentProvider().query(ProviderTableMeta.CONTENT_URI,
null,
ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ?",
new String[] { mAccount.name, dir.getRemotePath() + "%" }, null);
} catch (RemoteException e) {
Log_OC.e(TAG, e.getMessage());
}
} else {
c = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
null,
ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ?",
new String[] { mAccount.name, dir.getRemotePath() + "%" }, null);
}
/// 2. prepare a batch of update operations to change all the descendants
ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(c.getCount());
int lengthOfOldPath = dir.getRemotePath().length();
String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
if (c.moveToFirst()) {
do {
ContentValues cv = new ContentValues(); // don't take the constructor out of the loop and clear the object
OCFile child = createFileInstance(c);
cv.put(ProviderTableMeta.FILE_PATH, newPath + child.getRemotePath().substring(lengthOfOldPath));
if (child.getStoragePath() != null && child.getStoragePath().startsWith(defaultSavePath)) {
cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
}
operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
withValues(cv).
withSelection( ProviderTableMeta._ID + "=?",
new String[] { String.valueOf(child.getFileId()) })
.build());
} while (c.moveToNext());
}
c.close();
/// 3. apply updates in batch
try {
if (getContentResolver() != null) {
getContentResolver().applyBatch(ProviderMeta.AUTHORITY_FILES, operations);
} else {
getContentProvider().applyBatch(operations);
}
} catch (OperationApplicationException e) {
Log_OC.e(TAG, "Fail to update descendants of " + dir.getFileId() + " in database", e);
} catch (RemoteException e) {
Log_OC.e(TAG, "Fail to update desendants of " + dir.getFileId() + " in database", e);
}
}
}
@Override
public Vector<OCFile> getDirectoryImages(OCFile directory) {
Vector<OCFile> ret = new Vector<OCFile>();
if (directory != null) {
// TODO better implementation, filtering in the access to database (if possible) instead of here
Vector<OCFile> tmp = getDirectoryContent(directory);
OCFile current = null;
for (int i=0; i<tmp.size(); i++) {
current = tmp.get(i);
if (current.isImage()) {
ret.add(current);
}
}
}
return ret;
}
}