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Code Releases Wiki Activity

Import and Export db are back

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This commit is contained in:
cpfeiffer 2016-05-17 00:51:00 +02:00
parent 2d2df64003
commit 75703b0dea
6 changed files with 81 additions and 33 deletions
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11
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java
View File

@ -112,7 +112,7 @@ public class GBApplication extends Application {
// StatusPrinter.print(lc);
// Logger logger = LoggerFactory.getLogger(GBApplication.class);
setupDatabase();
setupDatabase(this);
deviceService = createDeviceService();
GB.environment = GBEnvironment.createDeviceEnvironment();
@ -202,12 +202,12 @@ public class GBApplication extends Application {
return LoggerFactory.getLogger(GBApplication.class);
}
private void setupDatabase() {
static void setupDatabase(Context context) {
// DaoMaster.DevOpenHelper helper = new DaoMaster.DevOpenHelper(this, "test-db", null);
DBOpenHelper helper = new DBOpenHelper(this, "test-db", null);
DBOpenHelper helper = new DBOpenHelper(context, "test-db", null);
SQLiteDatabase db = helper.getWritableDatabase();
DaoMaster daoMaster = new DaoMaster(db);
lockHandler = new LockHandler(daoMaster.newSession());
lockHandler = new LockHandler(daoMaster, helper);
}
public static Context getContext() {
@ -298,6 +298,9 @@ public class GBApplication extends Application {
*/
public static synchronized boolean deleteActivityDatabase() {
// TODO: flush, close, reopen db
if (lockHandler != null) {
lockHandler.closeDb();
}
// if (mActivityDatabaseHandler != null) {
// mActivityDatabaseHandler.close();
// mActivityDatabaseHandler = null;

34
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/LockHandler.java
View File

@ -7,8 +7,10 @@ import java.util.List;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
import nodomain.freeyourgadget.gadgetbridge.database.DBOpenHelper;
import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
import nodomain.freeyourgadget.gadgetbridge.entities.AbstractActivitySample;
import nodomain.freeyourgadget.gadgetbridge.entities.DaoMaster;
import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
import nodomain.freeyourgadget.gadgetbridge.model.ActivitySample;
@ -18,10 +20,14 @@ import nodomain.freeyourgadget.gadgetbridge.model.ActivitySample;
*/
public class LockHandler implements DBHandler {
private final DaoSession session;
private final DaoMaster daoMaster;
private DaoSession session;
private final SQLiteOpenHelper helper;
public LockHandler(DaoSession daoSession) {
session = daoSession;
public LockHandler(DaoMaster daoMaster, DBOpenHelper helper) {
this.daoMaster = daoMaster;
this.helper = helper;
session = daoMaster.newSession();
}
@Override
@ -30,13 +36,27 @@ public class LockHandler implements DBHandler {
}
@Override
public void closeDb() {
public synchronized void openDb() {
if (session != null) {
throw new IllegalStateException("session must be null");
}
// this will create completely new db instances. This handler will be dead
GBApplication.setupDatabase(GBApplication.getContext());
}
@Override
public synchronized void closeDb() {
if (session == null) {
throw new IllegalStateException("session must not be null");
}
session.clear();
session.getDatabase().close();
session = null;
}
@Override
public SQLiteOpenHelper getHelper() {
return null;
return helper;
}
@Override
@ -45,7 +65,7 @@ public class LockHandler implements DBHandler {
}
@Override
public SQLiteDatabase getWritableDatabase() {
return null;
public SQLiteDatabase getDatabase() {
return daoMaster.getDatabase();
}
}

4
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/DebugActivity.java
View File

@ -240,7 +240,7 @@ public class DebugActivity extends GBActivity {
try (DBHandler dbHandler = GBApplication.acquireDB()) {
DBHelper helper = new DBHelper(this);
File dir = FileUtils.getExternalFilesDir();
File destFile = helper.exportDB(dbHandler.getHelper(), dir);
File destFile = helper.exportDB(dbHandler, dir);
GB.toast(this, "Exported to: " + destFile.getAbsolutePath(), Toast.LENGTH_LONG, GB.INFO);
} catch (Exception ex) {
GB.toast(this, "Error exporting DB: " + ex.getMessage(), Toast.LENGTH_LONG, GB.ERROR, ex);
@ -260,7 +260,7 @@ public class DebugActivity extends GBActivity {
File dir = FileUtils.getExternalFilesDir();
SQLiteOpenHelper sqLiteOpenHelper = dbHandler.getHelper();
File sourceFile = new File(dir, sqLiteOpenHelper.getDatabaseName());
helper.importDB(sqLiteOpenHelper, sourceFile);
helper.importDB(dbHandler, sourceFile);
helper.validateDB(sqLiteOpenHelper);
GB.toast(DebugActivity.this, "Import successful.", Toast.LENGTH_LONG, GB.INFO);
} catch (Exception ex) {

10
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/database/ActivityDatabaseHandler.java
View File

@ -64,6 +64,11 @@ public class ActivityDatabaseHandler extends SQLiteOpenHelper implements DBHandl
new SchemaMigration().onDowngrade(db, oldVersion, newVersion);
}
@Override
public SQLiteDatabase getDatabase() {
return super.getWritableDatabase();
}
public void addGBActivitySample(ActivitySample sample) {
try (SQLiteDatabase db = this.getWritableDatabase()) {
ContentValues values = new ContentValues();
@ -156,7 +161,10 @@ public class ActivityDatabaseHandler extends SQLiteOpenHelper implements DBHandl
@Override
public void closeDb() {
GBApplication.releaseDB();
}
@Override
public void openDb() {
}
@Override

3
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/database/DBHandler.java
View File

@ -11,6 +11,7 @@ public interface DBHandler extends AutoCloseable {
* Closes the database.
*/
void closeDb();
void openDb();
SQLiteOpenHelper getHelper();
@ -20,7 +21,7 @@ public interface DBHandler extends AutoCloseable {
*/
void close() throws Exception;
SQLiteDatabase getWritableDatabase();
SQLiteDatabase getDatabase();
DaoSession getDaoSession();
}

52
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/database/DBHelper.java
View File

@ -37,41 +37,57 @@ public class DBHelper {
this.context = context;
}
private String getClosedDBPath(SQLiteOpenHelper dbHandler) throws IllegalStateException {
SQLiteDatabase db = dbHandler.getReadableDatabase();
/**
* Closes the database and returns its name.
* Important: after calling this, you have to DBHandler#openDb() it again
* to get it back to work.
* @param dbHandler
* @return
* @throws IllegalStateException
*/
private String getClosedDBPath(DBHandler dbHandler) throws IllegalStateException {
SQLiteDatabase db = dbHandler.getDatabase();
String path = db.getPath();
db.close();
dbHandler.closeDb();
if (db.isOpen()) { // reference counted, so may still be open
throw new IllegalStateException("Database must be closed");
}
return path;
}
public File exportDB(SQLiteOpenHelper dbHandler, File toDir) throws IllegalStateException, IOException {
public File exportDB(DBHandler dbHandler, File toDir) throws IllegalStateException, IOException {
String dbPath = getClosedDBPath(dbHandler);
File sourceFile = new File(dbPath);
File destFile = new File(toDir, sourceFile.getName());
if (destFile.exists()) {
File backup = new File(toDir, destFile.getName() + "_" + getDate());
destFile.renameTo(backup);
} else if (!toDir.exists()) {
if (!toDir.mkdirs()) {
throw new IOException("Unable to create directory: " + toDir.getAbsolutePath());
try {
File sourceFile = new File(dbPath);
File destFile = new File(toDir, sourceFile.getName());
if (destFile.exists()) {
File backup = new File(toDir, destFile.getName() + "_" + getDate());
destFile.renameTo(backup);
} else if (!toDir.exists()) {
if (!toDir.mkdirs()) {
throw new IOException("Unable to create directory: " + toDir.getAbsolutePath());
}
}
}
FileUtils.copyFile(sourceFile, destFile);
return destFile;
FileUtils.copyFile(sourceFile, destFile);
return destFile;
} finally {
dbHandler.openDb();
}
}
private String getDate() {
return new SimpleDateFormat("yyyyMMdd-HHmmss", Locale.US).format(new Date());
}
public void importDB(SQLiteOpenHelper dbHandler, File fromFile) throws IllegalStateException, IOException {
public void importDB(DBHandler dbHandler, File fromFile) throws IllegalStateException, IOException {
String dbPath = getClosedDBPath(dbHandler);
File toFile = new File(dbPath);
FileUtils.copyFile(fromFile, toFile);
try {
File toFile = new File(dbPath);
FileUtils.copyFile(fromFile, toFile);
} finally {
dbHandler.openDb();
}
}
public void validateDB(SQLiteOpenHelper dbHandler) throws IOException {