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+package de.thedevstack.conversationsplus.persistance;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import de.thedevstack.conversationsplus.entities.Account;
+import de.thedevstack.conversationsplus.entities.Contact;
+import de.thedevstack.conversationsplus.entities.Conversation;
+import de.thedevstack.conversationsplus.entities.Message;
+import de.thedevstack.conversationsplus.entities.Roster;
+import de.thedevstack.conversationsplus.xmpp.jid.Jid;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteCantOpenDatabaseException;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class DatabaseBackend extends SQLiteOpenHelper {
+
+ private static DatabaseBackend instance = null;
+
+ private static final String DATABASE_NAME = "history";
+ private static final int DATABASE_VERSION = 13;
+
+ private static String CREATE_CONTATCS_STATEMENT = "create table "
+ + Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, "
+ + Contact.SERVERNAME + " TEXT, " + Contact.SYSTEMNAME + " TEXT,"
+ + Contact.JID + " TEXT," + Contact.KEYS + " TEXT,"
+ + Contact.PHOTOURI + " TEXT," + Contact.OPTIONS + " NUMBER,"
+ + Contact.SYSTEMACCOUNT + " NUMBER, " + Contact.AVATAR + " TEXT, "
+ + Contact.LAST_PRESENCE + " TEXT, " + Contact.LAST_TIME + " NUMBER, "
+ + Contact.GROUPS + " TEXT, FOREIGN KEY(" + Contact.ACCOUNT + ") REFERENCES "
+ + Account.TABLENAME + "(" + Account.UUID
+ + ") ON DELETE CASCADE, UNIQUE(" + Contact.ACCOUNT + ", "
+ + Contact.JID + ") ON CONFLICT REPLACE);";
+
+ private DatabaseBackend(Context context) {
+ super(context, DATABASE_NAME, null, DATABASE_VERSION);
+ }
+
+ @Override
+ public void onCreate(SQLiteDatabase db) {
+ db.execSQL("PRAGMA foreign_keys=ON;");
+ db.execSQL("create table " + Account.TABLENAME + "(" + Account.UUID
+ + " TEXT PRIMARY KEY," + Account.USERNAME + " TEXT,"
+ + Account.SERVER + " TEXT," + Account.PASSWORD + " TEXT,"
+ + Account.ROSTERVERSION + " TEXT," + Account.OPTIONS
+ + " NUMBER, " + Account.AVATAR + " TEXT, " + Account.KEYS
+ + " TEXT)");
+ db.execSQL("create table " + Conversation.TABLENAME + " ("
+ + Conversation.UUID + " TEXT PRIMARY KEY, " + Conversation.NAME
+ + " TEXT, " + Conversation.CONTACT + " TEXT, "
+ + Conversation.ACCOUNT + " TEXT, " + Conversation.CONTACTJID
+ + " TEXT, " + Conversation.CREATED + " NUMBER, "
+ + Conversation.STATUS + " NUMBER, " + Conversation.MODE
+ + " NUMBER, " + Conversation.ATTRIBUTES + " TEXT, FOREIGN KEY("
+ + Conversation.ACCOUNT + ") REFERENCES " + Account.TABLENAME
+ + "(" + Account.UUID + ") ON DELETE CASCADE);");
+ db.execSQL("create table " + Message.TABLENAME + "( " + Message.UUID
+ + " TEXT PRIMARY KEY, " + Message.CONVERSATION + " TEXT, "
+ + Message.TIME_SENT + " NUMBER, " + Message.COUNTERPART
+ + " TEXT, " + Message.TRUE_COUNTERPART + " TEXT,"
+ + Message.BODY + " TEXT, " + Message.ENCRYPTION + " NUMBER, "
+ + Message.STATUS + " NUMBER," + Message.TYPE + " NUMBER, "
+ + Message.RELATIVE_FILE_PATH + " TEXT, "
+ + Message.SERVER_MSG_ID + " TEXT, "
+ + Message.REMOTE_MSG_ID + " TEXT, FOREIGN KEY("
+ + Message.CONVERSATION + ") REFERENCES "
+ + Conversation.TABLENAME + "(" + Conversation.UUID
+ + ") ON DELETE CASCADE);");
+
+ db.execSQL(CREATE_CONTATCS_STATEMENT);
+ }
+
+ @Override
+ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+ if (oldVersion < 2 && newVersion >= 2) {
+ db.execSQL("update " + Account.TABLENAME + " set "
+ + Account.OPTIONS + " = " + Account.OPTIONS + " | 8");
+ }
+ if (oldVersion < 3 && newVersion >= 3) {
+ db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
+ + Message.TYPE + " NUMBER");
+ }
+ if (oldVersion < 5 && newVersion >= 5) {
+ db.execSQL("DROP TABLE " + Contact.TABLENAME);
+ db.execSQL(CREATE_CONTATCS_STATEMENT);
+ db.execSQL("UPDATE " + Account.TABLENAME + " SET "
+ + Account.ROSTERVERSION + " = NULL");
+ }
+ if (oldVersion < 6 && newVersion >= 6) {
+ db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
+ + Message.TRUE_COUNTERPART + " TEXT");
+ }
+ if (oldVersion < 7 && newVersion >= 7) {
+ db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
+ + Message.REMOTE_MSG_ID + " TEXT");
+ db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
+ + Contact.AVATAR + " TEXT");
+ db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN "
+ + Account.AVATAR + " TEXT");
+ }
+ if (oldVersion < 8 && newVersion >= 8) {
+ db.execSQL("ALTER TABLE " + Conversation.TABLENAME + " ADD COLUMN "
+ + Conversation.ATTRIBUTES + " TEXT");
+ }
+ if (oldVersion < 9 && newVersion >= 9) {
+ db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
+ + Contact.LAST_TIME + " NUMBER");
+ db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
+ + Contact.LAST_PRESENCE + " TEXT");
+ }
+ if (oldVersion < 10 && newVersion >= 10) {
+ db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
+ + Message.RELATIVE_FILE_PATH + " TEXT");
+ }
+ if (oldVersion < 11 && newVersion >= 11) {
+ db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
+ + Contact.GROUPS + " TEXT");
+ db.execSQL("delete from "+Contact.TABLENAME);
+ db.execSQL("update "+Account.TABLENAME+" set "+Account.ROSTERVERSION+" = NULL");
+ }
+ if (oldVersion < 12 && newVersion >= 12) {
+ db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
+ + Message.SERVER_MSG_ID + " TEXT");
+ }
+ if (oldVersion < 13 && newVersion >= 13) {
+ db.execSQL("delete from "+Contact.TABLENAME);
+ db.execSQL("update "+Account.TABLENAME+" set "+Account.ROSTERVERSION+" = NULL");
+ }
+ }
+
+ public static synchronized DatabaseBackend getInstance(Context context) {
+ if (instance == null) {
+ instance = new DatabaseBackend(context);
+ }
+ return instance;
+ }
+
+ public void createConversation(Conversation conversation) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ db.insert(Conversation.TABLENAME, null, conversation.getContentValues());
+ }
+
+ public void createMessage(Message message) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ db.insert(Message.TABLENAME, null, message.getContentValues());
+ }
+
+ public void createAccount(Account account) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ db.insert(Account.TABLENAME, null, account.getContentValues());
+ }
+
+ public void createContact(Contact contact) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ db.insert(Contact.TABLENAME, null, contact.getContentValues());
+ }
+
+ public int getConversationCount() {
+ SQLiteDatabase db = this.getReadableDatabase();
+ Cursor cursor = db.rawQuery("select count(uuid) as count from "
+ + Conversation.TABLENAME + " where " + Conversation.STATUS
+ + "=" + Conversation.STATUS_AVAILABLE, null);
+ cursor.moveToFirst();
+ int count = cursor.getInt(0);
+ cursor.close();
+ return count;
+ }
+
+ public CopyOnWriteArrayList<Conversation> getConversations(int status) {
+ CopyOnWriteArrayList<Conversation> list = new CopyOnWriteArrayList<>();
+ SQLiteDatabase db = this.getReadableDatabase();
+ String[] selectionArgs = { Integer.toString(status) };
+ Cursor cursor = db.rawQuery("select * from " + Conversation.TABLENAME
+ + " where " + Conversation.STATUS + " = ? order by "
+ + Conversation.CREATED + " desc", selectionArgs);
+ while (cursor.moveToNext()) {
+ list.add(Conversation.fromCursor(cursor));
+ }
+ cursor.close();
+ return list;
+ }
+
+ public ArrayList<Message> getMessages(Conversation conversations, int limit) {
+ return getMessages(conversations, limit, -1);
+ }
+
+ public ArrayList<Message> getMessages(Conversation conversation, int limit,
+ long timestamp) {
+ ArrayList<Message> list = new ArrayList<>();
+ SQLiteDatabase db = this.getReadableDatabase();
+ Cursor cursor;
+ if (timestamp == -1) {
+ String[] selectionArgs = { conversation.getUuid() };
+ cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=?", selectionArgs, null, null, Message.TIME_SENT
+ + " DESC", String.valueOf(limit));
+ } else {
+ String[] selectionArgs = { conversation.getUuid(),
+ Long.toString(timestamp) };
+ cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=? and " + Message.TIME_SENT + "<?", selectionArgs,
+ null, null, Message.TIME_SENT + " DESC",
+ String.valueOf(limit));
+ }
+ if (cursor.getCount() > 0) {
+ cursor.moveToLast();
+ do {
+ Message message = Message.fromCursor(cursor);
+ message.setConversation(conversation);
+ list.add(message);
+ } while (cursor.moveToPrevious());
+ }
+ cursor.close();
+ return list;
+ }
+
+ public Conversation findConversation(final Account account, final Jid contactJid) {
+ SQLiteDatabase db = this.getReadableDatabase();
+ String[] selectionArgs = { account.getUuid(),
+ contactJid.toBareJid().toString() + "/%",
+ contactJid.toBareJid().toString()
+ };
+ Cursor cursor = db.query(Conversation.TABLENAME, null,
+ Conversation.ACCOUNT + "=? AND (" + Conversation.CONTACTJID
+ + " like ? OR "+Conversation.CONTACTJID+"=?)", selectionArgs, null, null, null);
+ if (cursor.getCount() == 0)
+ return null;
+ cursor.moveToFirst();
+ Conversation conversation = Conversation.fromCursor(cursor);
+ cursor.close();
+ return conversation;
+ }
+
+ public void updateConversation(final Conversation conversation) {
+ final SQLiteDatabase db = this.getWritableDatabase();
+ final String[] args = { conversation.getUuid() };
+ db.update(Conversation.TABLENAME, conversation.getContentValues(),
+ Conversation.UUID + "=?", args);
+ }
+
+ public List<Account> getAccounts() {
+ List<Account> list = new ArrayList<>();
+ SQLiteDatabase db = this.getReadableDatabase();
+ Cursor cursor = db.query(Account.TABLENAME, null, null, null, null,
+ null, null);
+ while (cursor.moveToNext()) {
+ list.add(Account.fromCursor(cursor));
+ }
+ cursor.close();
+ return list;
+ }
+
+ public void updateAccount(Account account) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ String[] args = { account.getUuid() };
+ db.update(Account.TABLENAME, account.getContentValues(), Account.UUID
+ + "=?", args);
+ }
+
+ public void deleteAccount(Account account) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ String[] args = { account.getUuid() };
+ db.delete(Account.TABLENAME, Account.UUID + "=?", args);
+ }
+
+ public boolean hasEnabledAccounts() {
+ SQLiteDatabase db = this.getReadableDatabase();
+ Cursor cursor = db.rawQuery("select count(" + Account.UUID + ") from "
+ + Account.TABLENAME + " where not options & (1 <<1)", null);
+ try {
+ cursor.moveToFirst();
+ int count = cursor.getInt(0);
+ cursor.close();
+ return (count > 0);
+ } catch (SQLiteCantOpenDatabaseException e) {
+ return true; // better safe than sorry
+ } catch (RuntimeException e) {
+ return true; // better safe than sorry
+ }
+ }
+
+ @Override
+ public SQLiteDatabase getWritableDatabase() {
+ SQLiteDatabase db = super.getWritableDatabase();
+ db.execSQL("PRAGMA foreign_keys=ON;");
+ return db;
+ }
+
+ public void updateMessage(Message message) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ String[] args = { message.getUuid() };
+ db.update(Message.TABLENAME, message.getContentValues(), Message.UUID
+ + "=?", args);
+ }
+
+ public void readRoster(Roster roster) {
+ SQLiteDatabase db = this.getReadableDatabase();
+ Cursor cursor;
+ String args[] = { roster.getAccount().getUuid() };
+ cursor = db.query(Contact.TABLENAME, null, Contact.ACCOUNT + "=?",
+ args, null, null, null);
+ while (cursor.moveToNext()) {
+ roster.initContact(Contact.fromCursor(cursor));
+ }
+ cursor.close();
+ }
+
+ public void writeRoster(final Roster roster) {
+ final Account account = roster.getAccount();
+ final SQLiteDatabase db = this.getWritableDatabase();
+ for (Contact contact : roster.getContacts()) {
+ if (contact.getOption(Contact.Options.IN_ROSTER)) {
+ db.insert(Contact.TABLENAME, null, contact.getContentValues());
+ } else {
+ String where = Contact.ACCOUNT + "=? AND " + Contact.JID + "=?";
+ String[] whereArgs = { account.getUuid(), contact.getJid().toString() };
+ db.delete(Contact.TABLENAME, where, whereArgs);
+ }
+ }
+ account.setRosterVersion(roster.getVersion());
+ updateAccount(account);
+ }
+
+ public void deleteMessage(Message message) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ String[] args = { message.getUuid() };
+ db.delete(Message.TABLENAME, Message.UUID + "=?", args);
+ }
+
+ public void deleteMessagesInConversation(Conversation conversation) {
+ SQLiteDatabase db = this.getWritableDatabase();
+ String[] args = { conversation.getUuid() };
+ db.delete(Message.TABLENAME, Message.CONVERSATION + "=?", args);
+ }
+
+ public Conversation findConversationByUuid(String conversationUuid) {
+ SQLiteDatabase db = this.getReadableDatabase();
+ String[] selectionArgs = { conversationUuid };
+ Cursor cursor = db.query(Conversation.TABLENAME, null,
+ Conversation.UUID + "=?", selectionArgs, null, null, null);
+ if (cursor.getCount() == 0) {
+ return null;
+ }
+ cursor.moveToFirst();
+ Conversation conversation = Conversation.fromCursor(cursor);
+ cursor.close();
+ return conversation;
+ }
+
+ public Message findMessageByUuid(String messageUuid) {
+ SQLiteDatabase db = this.getReadableDatabase();
+ String[] selectionArgs = { messageUuid };
+ Cursor cursor = db.query(Message.TABLENAME, null, Message.UUID + "=?",
+ selectionArgs, null, null, null);
+ if (cursor.getCount() == 0) {
+ return null;
+ }
+ cursor.moveToFirst();
+ Message message = Message.fromCursor(cursor);
+ cursor.close();
+ return message;
+ }
+
+ public Account findAccountByUuid(String accountUuid) {
+ SQLiteDatabase db = this.getReadableDatabase();
+ String[] selectionArgs = { accountUuid };
+ Cursor cursor = db.query(Account.TABLENAME, null, Account.UUID + "=?",
+ selectionArgs, null, null, null);
+ if (cursor.getCount() == 0) {
+ return null;
+ }
+ cursor.moveToFirst();
+ Account account = Account.fromCursor(cursor);
+ cursor.close();
+ return account;
+ }
+
+ public List<Message> getImageMessages(Conversation conversation) {
+ ArrayList<Message> list = new ArrayList<>();
+ SQLiteDatabase db = this.getReadableDatabase();
+ Cursor cursor;
+ String[] selectionArgs = { conversation.getUuid(), String.valueOf(Message.TYPE_IMAGE) };
+ cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=? AND "+Message.TYPE+"=?", selectionArgs, null, null,null);
+ if (cursor.getCount() > 0) {
+ cursor.moveToLast();
+ do {
+ Message message = Message.fromCursor(cursor);
+ message.setConversation(conversation);
+ list.add(message);
+ } while (cursor.moveToPrevious());
+ }
+ cursor.close();
+ return list;
+ }
+}