1package eu.siacs.conversations.persistance;
2
3import java.util.ArrayList;
4import java.util.List;
5import java.util.concurrent.CopyOnWriteArrayList;
6
7import eu.siacs.conversations.entities.Account;
8import eu.siacs.conversations.entities.Contact;
9import eu.siacs.conversations.entities.Conversation;
10import eu.siacs.conversations.entities.Message;
11import eu.siacs.conversations.entities.Roster;
12import android.content.Context;
13import android.database.Cursor;
14import android.database.sqlite.SQLiteCantOpenDatabaseException;
15import android.database.sqlite.SQLiteDatabase;
16import android.database.sqlite.SQLiteOpenHelper;
17
18public class DatabaseBackend extends SQLiteOpenHelper {
19
20 private static DatabaseBackend instance = null;
21
22 private static final String DATABASE_NAME = "history";
23 private static final int DATABASE_VERSION = 9;
24
25 private static String CREATE_CONTATCS_STATEMENT = "create table "
26 + Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, "
27 + Contact.SERVERNAME + " TEXT, " + Contact.SYSTEMNAME + " TEXT,"
28 + Contact.JID + " TEXT," + Contact.KEYS + " TEXT,"
29 + Contact.PHOTOURI + " TEXT," + Contact.OPTIONS + " NUMBER,"
30 + Contact.SYSTEMACCOUNT + " NUMBER, " + Contact.AVATAR + " TEXT, "
31 + Contact.LAST_PRESENCE + " TEXT, " + Contact.LAST_TIME + " NUMBER, "
32 + "FOREIGN KEY(" + Contact.ACCOUNT + ") REFERENCES "
33 + Account.TABLENAME + "(" + Account.UUID
34 + ") ON DELETE CASCADE, UNIQUE(" + Contact.ACCOUNT + ", "
35 + Contact.JID + ") ON CONFLICT REPLACE);";
36
37 private DatabaseBackend(Context context) {
38 super(context, DATABASE_NAME, null, DATABASE_VERSION);
39 }
40
41 @Override
42 public void onCreate(SQLiteDatabase db) {
43 db.execSQL("PRAGMA foreign_keys=ON;");
44 db.execSQL("create table " + Account.TABLENAME + "(" + Account.UUID
45 + " TEXT PRIMARY KEY," + Account.USERNAME + " TEXT,"
46 + Account.SERVER + " TEXT," + Account.PASSWORD + " TEXT,"
47 + Account.ROSTERVERSION + " TEXT," + Account.OPTIONS
48 + " NUMBER, " + Account.AVATAR + " TEXT, " + Account.KEYS
49 + " TEXT)");
50 db.execSQL("create table " + Conversation.TABLENAME + " ("
51 + Conversation.UUID + " TEXT PRIMARY KEY, " + Conversation.NAME
52 + " TEXT, " + Conversation.CONTACT + " TEXT, "
53 + Conversation.ACCOUNT + " TEXT, " + Conversation.CONTACTJID
54 + " TEXT, " + Conversation.CREATED + " NUMBER, "
55 + Conversation.STATUS + " NUMBER, " + Conversation.MODE
56 + " NUMBER, " + Conversation.ATTRIBUTES + " TEXT, FOREIGN KEY("
57 + Conversation.ACCOUNT + ") REFERENCES " + Account.TABLENAME
58 + "(" + Account.UUID + ") ON DELETE CASCADE);");
59 db.execSQL("create table " + Message.TABLENAME + "( " + Message.UUID
60 + " TEXT PRIMARY KEY, " + Message.CONVERSATION + " TEXT, "
61 + Message.TIME_SENT + " NUMBER, " + Message.COUNTERPART
62 + " TEXT, " + Message.TRUE_COUNTERPART + " TEXT,"
63 + Message.BODY + " TEXT, " + Message.ENCRYPTION + " NUMBER, "
64 + Message.STATUS + " NUMBER," + Message.TYPE + " NUMBER, "
65 + Message.REMOTE_MSG_ID + " TEXT, FOREIGN KEY("
66 + Message.CONVERSATION + ") REFERENCES "
67 + Conversation.TABLENAME + "(" + Conversation.UUID
68 + ") ON DELETE CASCADE);");
69
70 db.execSQL(CREATE_CONTATCS_STATEMENT);
71 }
72
73 @Override
74 public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
75 if (oldVersion < 2 && newVersion >= 2) {
76 db.execSQL("update " + Account.TABLENAME + " set "
77 + Account.OPTIONS + " = " + Account.OPTIONS + " | 8");
78 }
79 if (oldVersion < 3 && newVersion >= 3) {
80 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
81 + Message.TYPE + " NUMBER");
82 }
83 if (oldVersion < 5 && newVersion >= 5) {
84 db.execSQL("DROP TABLE " + Contact.TABLENAME);
85 db.execSQL(CREATE_CONTATCS_STATEMENT);
86 db.execSQL("UPDATE " + Account.TABLENAME + " SET "
87 + Account.ROSTERVERSION + " = NULL");
88 }
89 if (oldVersion < 6 && newVersion >= 6) {
90 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
91 + Message.TRUE_COUNTERPART + " TEXT");
92 }
93 if (oldVersion < 7 && newVersion >= 7) {
94 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
95 + Message.REMOTE_MSG_ID + " TEXT");
96 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
97 + Contact.AVATAR + " TEXT");
98 db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN "
99 + Account.AVATAR + " TEXT");
100 }
101 if (oldVersion < 8 && newVersion >= 8) {
102 db.execSQL("ALTER TABLE " + Conversation.TABLENAME + " ADD COLUMN "
103 + Conversation.ATTRIBUTES + " TEXT");
104 }
105 if (oldVersion < 9 && newVersion >= 9) {
106 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
107 + Contact.LAST_TIME + " NUMBER");
108 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
109 + Contact.LAST_PRESENCE + " TEXT");
110 }
111 }
112
113 public static synchronized DatabaseBackend getInstance(Context context) {
114 if (instance == null) {
115 instance = new DatabaseBackend(context);
116 }
117 return instance;
118 }
119
120 public void createConversation(Conversation conversation) {
121 SQLiteDatabase db = this.getWritableDatabase();
122 db.insert(Conversation.TABLENAME, null, conversation.getContentValues());
123 }
124
125 public void createMessage(Message message) {
126 SQLiteDatabase db = this.getWritableDatabase();
127 db.insert(Message.TABLENAME, null, message.getContentValues());
128 }
129
130 public void createAccount(Account account) {
131 SQLiteDatabase db = this.getWritableDatabase();
132 db.insert(Account.TABLENAME, null, account.getContentValues());
133 }
134
135 public void createContact(Contact contact) {
136 SQLiteDatabase db = this.getWritableDatabase();
137 db.insert(Contact.TABLENAME, null, contact.getContentValues());
138 }
139
140 public int getConversationCount() {
141 SQLiteDatabase db = this.getReadableDatabase();
142 Cursor cursor = db.rawQuery("select count(uuid) as count from "
143 + Conversation.TABLENAME + " where " + Conversation.STATUS
144 + "=" + Conversation.STATUS_AVAILABLE, null);
145 cursor.moveToFirst();
146 return cursor.getInt(0);
147 }
148
149 public CopyOnWriteArrayList<Conversation> getConversations(int status) {
150 CopyOnWriteArrayList<Conversation> list = new CopyOnWriteArrayList<Conversation>();
151 SQLiteDatabase db = this.getReadableDatabase();
152 String[] selectionArgs = { Integer.toString(status) };
153 Cursor cursor = db.rawQuery("select * from " + Conversation.TABLENAME
154 + " where " + Conversation.STATUS + " = ? order by "
155 + Conversation.CREATED + " desc", selectionArgs);
156 while (cursor.moveToNext()) {
157 list.add(Conversation.fromCursor(cursor));
158 }
159 return list;
160 }
161
162 public ArrayList<Message> getMessages(Conversation conversations, int limit) {
163 return getMessages(conversations, limit, -1);
164 }
165
166 public ArrayList<Message> getMessages(Conversation conversation, int limit,
167 long timestamp) {
168 ArrayList<Message> list = new ArrayList<Message>();
169 SQLiteDatabase db = this.getReadableDatabase();
170 Cursor cursor;
171 if (timestamp == -1) {
172 String[] selectionArgs = { conversation.getUuid() };
173 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
174 + "=?", selectionArgs, null, null, Message.TIME_SENT
175 + " DESC", String.valueOf(limit));
176 } else {
177 String[] selectionArgs = { conversation.getUuid(),
178 Long.toString(timestamp) };
179 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
180 + "=? and " + Message.TIME_SENT + "<?", selectionArgs,
181 null, null, Message.TIME_SENT + " DESC",
182 String.valueOf(limit));
183 }
184 if (cursor.getCount() > 0) {
185 cursor.moveToLast();
186 do {
187 Message message = Message.fromCursor(cursor);
188 message.setConversation(conversation);
189 list.add(message);
190 } while (cursor.moveToPrevious());
191 }
192 return list;
193 }
194
195 public Conversation findConversation(Account account, String contactJid) {
196 SQLiteDatabase db = this.getReadableDatabase();
197 String[] selectionArgs = { account.getUuid(), contactJid + "%" };
198 Cursor cursor = db.query(Conversation.TABLENAME, null,
199 Conversation.ACCOUNT + "=? AND " + Conversation.CONTACTJID
200 + " like ?", selectionArgs, null, null, null);
201 if (cursor.getCount() == 0)
202 return null;
203 cursor.moveToFirst();
204 return Conversation.fromCursor(cursor);
205 }
206
207 public void updateConversation(Conversation conversation) {
208 SQLiteDatabase db = this.getWritableDatabase();
209 String[] args = { conversation.getUuid() };
210 db.update(Conversation.TABLENAME, conversation.getContentValues(),
211 Conversation.UUID + "=?", args);
212 }
213
214 public List<Account> getAccounts() {
215 List<Account> list = new ArrayList<Account>();
216 SQLiteDatabase db = this.getReadableDatabase();
217 Cursor cursor = db.query(Account.TABLENAME, null, null, null, null,
218 null, null);
219 while (cursor.moveToNext()) {
220 list.add(Account.fromCursor(cursor));
221 }
222 cursor.close();
223 return list;
224 }
225
226 public void updateAccount(Account account) {
227 SQLiteDatabase db = this.getWritableDatabase();
228 String[] args = { account.getUuid() };
229 db.update(Account.TABLENAME, account.getContentValues(), Account.UUID
230 + "=?", args);
231 }
232
233 public void deleteAccount(Account account) {
234 SQLiteDatabase db = this.getWritableDatabase();
235 String[] args = { account.getUuid() };
236 db.delete(Account.TABLENAME, Account.UUID + "=?", args);
237 }
238
239 public boolean hasEnabledAccounts() {
240 SQLiteDatabase db = this.getReadableDatabase();
241 Cursor cursor = db.rawQuery("select count(" + Account.UUID + ") from "
242 + Account.TABLENAME + " where not options & (1 <<1)", null);
243 try {
244 cursor.moveToFirst();
245 int count = cursor.getInt(0);
246 cursor.close();
247 return (count > 0);
248 } catch (SQLiteCantOpenDatabaseException e) {
249 return true; // better safe than sorry
250 }
251 }
252
253 @Override
254 public SQLiteDatabase getWritableDatabase() {
255 SQLiteDatabase db = super.getWritableDatabase();
256 db.execSQL("PRAGMA foreign_keys=ON;");
257 return db;
258 }
259
260 public void updateMessage(Message message) {
261 SQLiteDatabase db = this.getWritableDatabase();
262 String[] args = { message.getUuid() };
263 db.update(Message.TABLENAME, message.getContentValues(), Message.UUID
264 + "=?", args);
265 }
266
267 public void readRoster(Roster roster) {
268 SQLiteDatabase db = this.getReadableDatabase();
269 Cursor cursor;
270 String args[] = { roster.getAccount().getUuid() };
271 cursor = db.query(Contact.TABLENAME, null, Contact.ACCOUNT + "=?",
272 args, null, null, null);
273 while (cursor.moveToNext()) {
274 roster.initContact(Contact.fromCursor(cursor));
275 }
276 cursor.close();
277 }
278
279 public void writeRoster(Roster roster) {
280 Account account = roster.getAccount();
281 SQLiteDatabase db = this.getWritableDatabase();
282 for (Contact contact : roster.getContacts()) {
283 if (contact.getOption(Contact.Options.IN_ROSTER)) {
284 db.insert(Contact.TABLENAME, null, contact.getContentValues());
285 } else {
286 String where = Contact.ACCOUNT + "=? AND " + Contact.JID + "=?";
287 String[] whereArgs = { account.getUuid(), contact.getJid() };
288 db.delete(Contact.TABLENAME, where, whereArgs);
289 }
290 }
291 account.setRosterVersion(roster.getVersion());
292 updateAccount(account);
293 }
294
295 public void deleteMessage(Message message) {
296 SQLiteDatabase db = this.getWritableDatabase();
297 String[] args = { message.getUuid() };
298 db.delete(Message.TABLENAME, Message.UUID + "=?", args);
299 }
300
301 public void deleteMessagesInConversation(Conversation conversation) {
302 SQLiteDatabase db = this.getWritableDatabase();
303 String[] args = { conversation.getUuid() };
304 db.delete(Message.TABLENAME, Message.CONVERSATION + "=?", args);
305 }
306
307 public Conversation findConversationByUuid(String conversationUuid) {
308 SQLiteDatabase db = this.getReadableDatabase();
309 String[] selectionArgs = { conversationUuid };
310 Cursor cursor = db.query(Conversation.TABLENAME, null,
311 Conversation.UUID + "=?", selectionArgs, null, null, null);
312 if (cursor.getCount() == 0) {
313 return null;
314 }
315 cursor.moveToFirst();
316 return Conversation.fromCursor(cursor);
317 }
318
319 public Message findMessageByUuid(String messageUuid) {
320 SQLiteDatabase db = this.getReadableDatabase();
321 String[] selectionArgs = { messageUuid };
322 Cursor cursor = db.query(Message.TABLENAME, null, Message.UUID + "=?",
323 selectionArgs, null, null, null);
324 if (cursor.getCount() == 0) {
325 return null;
326 }
327 cursor.moveToFirst();
328 return Message.fromCursor(cursor);
329 }
330
331 public Account findAccountByUuid(String accountUuid) {
332 SQLiteDatabase db = this.getReadableDatabase();
333 String[] selectionArgs = { accountUuid };
334 Cursor cursor = db.query(Account.TABLENAME, null, Account.UUID + "=?",
335 selectionArgs, null, null, null);
336 if (cursor.getCount() == 0) {
337 return null;
338 }
339 cursor.moveToFirst();
340 return Account.fromCursor(cursor);
341 }
342
343 public List<Message> getImageMessages(Conversation conversation) {
344 ArrayList<Message> list = new ArrayList<Message>();
345 SQLiteDatabase db = this.getReadableDatabase();
346 Cursor cursor;
347 String[] selectionArgs = { conversation.getUuid(), String.valueOf(Message.TYPE_IMAGE) };
348 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
349 + "=? AND "+Message.TYPE+"=?", selectionArgs, null, null,null);
350 if (cursor.getCount() > 0) {
351 cursor.moveToLast();
352 do {
353 Message message = Message.fromCursor(cursor);
354 message.setConversation(conversation);
355 list.add(message);
356 } while (cursor.moveToPrevious());
357 }
358 return list;
359 }
360}