@@ -26,18 +26,23 @@ public class DatabaseBackend extends SQLiteOpenHelper {
@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)");
db.execSQL("create table " + Conversation.TABLENAME + " ("
+ Conversation.UUID + " TEXT PRIMARY KEY, " + Conversation.NAME
+ " TEXT, " + Conversation.PHOTO_URI + " TEXT, "
+ Conversation.ACCOUNT + " TEXT, " + Conversation.CONTACT
+ " TEXT, " + Conversation.CREATED + " NUMBER, "
- + Conversation.STATUS + " NUMBER)");
+ + Conversation.STATUS + " NUMBER,"
+ + "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.BODY + " TEXT, "
- + Message.ENCRYPTION + " NUMBER, " + Message.STATUS
- + " NUMBER)");
- db.execSQL("create table "+Account.TABLENAME+"("+Account.UUID+" TEXT,"+Account.USERNAME+" TEXT,"+Account.SERVER+" TEXT,"+Account.PASSWORD+" TEXT)");
+ + " TEXT PRIMARY KEY, " + Message.CONVERSATION + " TEXT, "
+ + Message.TIME_SENT + " NUMBER, " + Message.COUNTERPART
+ + " TEXT, " + Message.BODY + " TEXT, " + Message.ENCRYPTION
+ + " NUMBER, " + Message.STATUS + " NUMBER,"
+ + "FOREIGN KEY("+Message.CONVERSATION+") REFERENCES "+Conversation.TABLENAME+"("+Message.UUID+") ON DELETE CASCADE);");
}
@Override
@@ -62,16 +67,17 @@ public class DatabaseBackend extends SQLiteOpenHelper {
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());
+ db.insert(Account.TABLENAME, null, account.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 cursor = db.rawQuery("select count(uuid) as count from "
+ + Conversation.TABLENAME + " where " + Conversation.STATUS
+ + "=" + Conversation.STATUS_AVAILABLE, null);
cursor.moveToFirst();
return cursor.getInt(0);
}
@@ -93,9 +99,10 @@ public class DatabaseBackend extends SQLiteOpenHelper {
List<Message> list = new ArrayList<Message>();
SQLiteDatabase db = this.getReadableDatabase();
String[] selectionArgs = { conversation.getUuid() };
- Cursor cursor = db.query(Message.TABLENAME, null,Message.CONVERSATION +"=?", selectionArgs, null, null,
- Message.TIME_SENT+" DESC",String.valueOf(limit));
- if (cursor.getCount() > 0 ) {
+ Cursor cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=?", selectionArgs, null, null, Message.TIME_SENT + " DESC",
+ String.valueOf(limit));
+ if (cursor.getCount() > 0) {
cursor.moveToLast();
do {
list.add(Message.fromCursor(cursor));
@@ -106,24 +113,29 @@ public class DatabaseBackend extends SQLiteOpenHelper {
public Conversation findConversation(Account account, Contact contact) {
SQLiteDatabase db = this.getReadableDatabase();
- String[] selectionArgs = { account.getUuid() , contact.getJid() };
- Cursor cursor = db.query(Conversation.TABLENAME, null,Conversation.ACCOUNT+"=? AND "+Conversation.CONTACT+"=?", selectionArgs, null, null, null);
- if (cursor.getCount() == 0) return null;
+ String[] selectionArgs = { account.getUuid(), contact.getJid() };
+ Cursor cursor = db.query(Conversation.TABLENAME, null,
+ Conversation.ACCOUNT + "=? AND " + Conversation.CONTACT + "=?",
+ selectionArgs, null, null, null);
+ if (cursor.getCount() == 0)
+ return null;
cursor.moveToFirst();
return Conversation.fromCursor(cursor);
}
public void updateConversation(Conversation conversation) {
SQLiteDatabase db = this.getWritableDatabase();
- String[] args = {conversation.getUuid()};
- db.update(Conversation.TABLENAME, conversation.getContentValues(),Conversation.UUID+"=?",args);
+ String[] args = { conversation.getUuid() };
+ db.update(Conversation.TABLENAME, conversation.getContentValues(),
+ Conversation.UUID + "=?", args);
}
-
+
public List<Account> getAccounts() {
List<Account> list = new ArrayList<Account>();
SQLiteDatabase db = this.getReadableDatabase();
- Cursor cursor = db.query(Account.TABLENAME, null, null, null, null, null, null);
- Log.d("gultsch","found "+cursor.getCount()+" accounts");
+ Cursor cursor = db.query(Account.TABLENAME, null, null, null, null,
+ null, null);
+ Log.d("gultsch", "found " + cursor.getCount() + " accounts");
while (cursor.moveToNext()) {
list.add(Account.fromCursor(cursor));
}
@@ -132,15 +144,23 @@ public class DatabaseBackend extends SQLiteOpenHelper {
public void updateAccount(Account account) {
SQLiteDatabase db = this.getWritableDatabase();
- String[] args = {account.getUuid()};
- db.update(Account.TABLENAME, account.getContentValues(),Account.UUID+"=?",args);
+ 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()};
- Log.d("gultsch","backend trying to delete account with uuid:"+account.getUuid());
- db.delete(Account.TABLENAME,Account.UUID+"=?",args);
+ String[] args = { account.getUuid() };
+ Log.d("gultsch", "backend trying to delete account with uuid:"
+ + account.getUuid());
+ db.delete(Account.TABLENAME, Account.UUID + "=?", args);
}
+ @Override
+ public SQLiteDatabase getWritableDatabase() {
+ SQLiteDatabase db = super.getWritableDatabase();
+ db.execSQL("PRAGMA foreign_keys=ON;");
+ return db;
+ }
}