/**
* 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 com.xabber.android.data.database.DatabaseManager;
import com.xabber.android.data.roster.ShowOfflineMode;
/**
* Storage with contact list group settings.
*
* @author alexander.ivanov
*/
public class GroupTable extends AbstractAccountTable {
private static final class Fields implements AbstractAccountTable.Fields {
private Fields() {
}
public static final String GROUP_NAME = "group_name";
/**
* Whether group is expanded.
*/
public static final String EXPANDED = "expanded";
/**
* Show offline contact mode.
*/
public static final String OFFLINE = "offline";
}
private static final String NAME = "groups";
private static final String[] PROJECTION = new String[]{Fields.ACCOUNT,
Fields.GROUP_NAME, Fields.EXPANDED, Fields.OFFLINE};
static final boolean DEFAULT_EXPANDED = true;
private final DatabaseManager databaseManager;
private SQLiteStatement writeStatement;
private final Object writeLock;
private static GroupTable instance;
public static GroupTable getInstance() {
if (instance == null) {
instance = new GroupTable(DatabaseManager.getInstance());
}
return instance;
}
private GroupTable(DatabaseManager databaseManager) {
this.databaseManager = databaseManager;
writeStatement = null;
writeLock = new Object();
}
@Override
public void create(SQLiteDatabase db) {
String sql = "CREATE TABLE " + NAME + " (" + Fields.ACCOUNT + " TEXT,"
+ Fields.GROUP_NAME + " TEXT," + Fields.EXPANDED + " BOOLEAN,"
+ Fields.OFFLINE + " INTEGER);";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX " + NAME + "_group ON " + NAME + " ("
+ Fields.ACCOUNT + ", " + Fields.GROUP_NAME + ");";
DatabaseManager.execSQL(db, sql);
}
@Override
public void migrate(SQLiteDatabase db, int toVersion) {
super.migrate(db, toVersion);
String sql;
switch (toVersion) {
case 7:
sql = "CREATE TABLE groups (" + "_id INTEGER PRIMARY KEY,"
+ "account TEXT," + "group_name TEXT,"
+ "expanded BOOLEAN);";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX groups_group ON groups "
+ "(account, group_name);";
DatabaseManager.execSQL(db, sql);
break;
case 13:
sql = "ALTER TABLE groups ADD COLUMN " + "offline BOOLEAN;";
DatabaseManager.execSQL(db, sql);
sql = "UPDATE groups SET offline = 0;";
DatabaseManager.execSQL(db, sql);
break;
case 14:
DatabaseManager.dropTable(db, "groups");
sql = "CREATE TABLE groups (" + "account TEXT,"
+ "group_name TEXT," + "expanded BOOLEAN,"
+ "offline BOOLEAN);";
DatabaseManager.execSQL(db, sql);
sql = "CREATE UNIQUE INDEX groups_group ON groups "
+ "(account, group_name);";
DatabaseManager.execSQL(db, sql);
break;
case 33:
DatabaseManager.renameTable(db, "groups", "groups_");
sql = "CREATE TABLE groups (" + "account TEXT,"
+ "group_name TEXT," + "expanded BOOLEAN,"
+ "offline INTEGER);";
DatabaseManager.execSQL(db, sql);
sql = "INSERT INTO groups SELECT "
+ "account, group_name, expanded, offline FROM groups_;";
DatabaseManager.execSQL(db, sql);
DatabaseManager.dropTable(db, "groups_");
sql = "CREATE UNIQUE INDEX groups_group ON groups "
+ "(account, group_name);";
DatabaseManager.execSQL(db, sql);
break;
default:
break;
}
}
public void write(String account, String group, boolean expanded,
ShowOfflineMode showOfflineMode) {
if (account == null || group == null)
throw new IllegalArgumentException();
synchronized (writeLock) {
if (writeStatement == null) {
SQLiteDatabase db = databaseManager.getWritableDatabase();
writeStatement = db.compileStatement("INSERT OR REPLACE INTO "
+ NAME + " (" + Fields.ACCOUNT + ", "
+ Fields.GROUP_NAME + ", " + Fields.EXPANDED + ", "
+ Fields.OFFLINE + ") VALUES (?, ?, ?, ?);");
}
writeStatement.bindString(1, account);
writeStatement.bindString(2, group);
writeStatement.bindLong(3, expanded ? 1 : 0);
if (showOfflineMode == ShowOfflineMode.never)
writeStatement.bindLong(4, -1);
else if (showOfflineMode == ShowOfflineMode.normal)
writeStatement.bindLong(4, 0);
else if (showOfflineMode == ShowOfflineMode.always)
writeStatement.bindLong(4, 1);
else
throw new IllegalStateException();
writeStatement.execute();
}
}
@Override
protected String getTableName() {
return NAME;
}
@Override
protected String[] getProjection() {
return PROJECTION;
}
public static String getGroup(Cursor cursor) {
return cursor.getString(cursor.getColumnIndex(Fields.GROUP_NAME));
}
public static boolean isExpanded(Cursor cursor) {
return cursor.getInt(cursor.getColumnIndex(Fields.EXPANDED)) != 0;
}
public static ShowOfflineMode getShowOfflineMode(Cursor cursor) {
int value = cursor.getInt(cursor.getColumnIndex(Fields.OFFLINE));
if (value == -1)
return ShowOfflineMode.never;
else if (value == 0)
return ShowOfflineMode.normal;
else if (value == 1)
return ShowOfflineMode.always;
else
throw new IllegalStateException();
}
}