/**
* Copyright (c) 2013, Redsolution LTD. All rights reserved.
*
* This file is part of Xabber project; you can redistribute it and/or
* modify it under the terms of the GNU General Public License, Version 3.
*
* Xabber 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.xabber.android.data.database.sqlite;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteStatement;
import android.provider.BaseColumns;
import com.xabber.android.data.account.StatusMode;
import com.xabber.android.data.database.DatabaseManager;
/**
* Storage with preset statuses.
*
* @author alexander.ivanov
*/
public class StatusTable extends AbstractTable {
private static final class Fields implements BaseColumns {
private Fields() {
}
public static final String STATUS_MODE = "status_mode";
public static final String STATUS_TEXT = "status_text";
}
private static final String NAME = "statuses";
private static final String[] PROJECTION = new String[]{
Fields.STATUS_MODE, Fields.STATUS_TEXT};
private final DatabaseManager databaseManager;
private SQLiteStatement writeStatement;
private final Object writeLock;
private static StatusTable instance;
public static StatusTable getInstance() {
if (instance == null) {
instance = new StatusTable(DatabaseManager.getInstance());
}
return instance;
}
private StatusTable(DatabaseManager databaseManager) {
this.databaseManager = databaseManager;
writeStatement = null;
writeLock = new Object();
}
@Override
public void create(SQLiteDatabase db) {
String sql;
sql = "CREATE TABLE " + NAME + " (" + Fields.STATUS_MODE + " INTEGER,"
+ Fields.STATUS_TEXT + " TEXT);";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX " + NAME + "_index ON " + NAME + " ("
+ Fields.STATUS_MODE + ", " + Fields.STATUS_TEXT + ");";
DatabaseManager.execSQL(db, sql);
}
@Override
public void migrate(SQLiteDatabase db, int toVersion) {
super.migrate(db, toVersion);
String sql;
switch (toVersion) {
case 12:
sql = "CREATE TABLE statuses (" + "status_mode INTEGER,"
+ "status_text TEXT);";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX statuses_index ON statuses "
+ "(status_mode, status_text);";
DatabaseManager.execSQL(db, sql);
break;
case 35:
sql = "ALTER TABLE statuses ADD COLUMN share_location INTEGER;";
DatabaseManager.execSQL(db, sql);
sql = "UPDATE statuses SET share_location = 0;";
DatabaseManager.execSQL(db, sql);
sql = "DROP INDEX statuses_index;";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX statuses_index ON statuses "
+ "(status_mode, status_text, share_location);";
DatabaseManager.execSQL(db, sql);
break;
case 38:
sql = "DROP INDEX statuses_index;";
DatabaseManager.execSQL(db, sql);
DatabaseManager.renameTable(db, "statuses", "old_statuses");
sql = "CREATE TABLE statuses (" + "status_mode INTEGER,"
+ "status_text TEXT);";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX statuses_index ON statuses "
+ "(status_mode, status_text);";
DatabaseManager.execSQL(db, sql);
sql = "INSERT OR REPLACE INTO statuses (status_mode, status_text) "
+ "SELECT status_mode, status_text FROM old_statuses;";
DatabaseManager.execSQL(db, sql);
DatabaseManager.dropTable(db, "old_statuses");
break;
default:
break;
}
}
public void write(StatusMode statusMode, String statusText) {
synchronized (writeLock) {
if (writeStatement == null) {
SQLiteDatabase db = databaseManager.getWritableDatabase();
writeStatement = db.compileStatement("INSERT OR REPLACE INTO "
+ NAME + " (" + Fields.STATUS_MODE + ", "
+ Fields.STATUS_TEXT + ") VALUES (?, ?);");
}
writeStatement.bindLong(1, statusMode.ordinal());
writeStatement.bindString(2, statusText);
writeStatement.execute();
}
}
public void remove(StatusMode statusMode, String statusText) {
SQLiteDatabase db = databaseManager.getWritableDatabase();
db.delete(NAME, Fields.STATUS_MODE + " = ? AND " + Fields.STATUS_TEXT
+ " = ?", new String[]{String.valueOf(statusMode.ordinal()),
statusText});
}
@Override
protected String getTableName() {
return NAME;
}
@Override
protected String[] getProjection() {
return PROJECTION;
}
public static StatusMode getStatusMode(Cursor cursor) {
return StatusMode.values()[cursor.getInt(cursor
.getColumnIndex(Fields.STATUS_MODE))];
}
public static String getStatusText(Cursor cursor) {
return cursor.getString(cursor.getColumnIndex(Fields.STATUS_TEXT));
}
}