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 eu.siacs.conversations.xmpp.jid.Jid;
13
14import android.content.Context;
15import android.database.Cursor;
16import android.database.sqlite.SQLiteCantOpenDatabaseException;
17import android.database.sqlite.SQLiteDatabase;
18import android.database.sqlite.SQLiteOpenHelper;
19
20public class DatabaseBackend extends SQLiteOpenHelper {
21
22 private static DatabaseBackend instance = null;
23
24 private static final String DATABASE_NAME = "history";
25 private static final int DATABASE_VERSION = 12;
26
27 private static String CREATE_CONTATCS_STATEMENT = "create table "
28 + Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, "
29 + Contact.SERVERNAME + " TEXT, " + Contact.SYSTEMNAME + " TEXT,"
30 + Contact.JID + " TEXT," + Contact.KEYS + " TEXT,"
31 + Contact.PHOTOURI + " TEXT," + Contact.OPTIONS + " NUMBER,"
32 + Contact.SYSTEMACCOUNT + " NUMBER, " + Contact.AVATAR + " TEXT, "
33 + Contact.LAST_PRESENCE + " TEXT, " + Contact.LAST_TIME + " NUMBER, "
34 + Contact.GROUPS + " TEXT, FOREIGN KEY(" + Contact.ACCOUNT + ") REFERENCES "
35 + Account.TABLENAME + "(" + Account.UUID
36 + ") ON DELETE CASCADE, UNIQUE(" + Contact.ACCOUNT + ", "
37 + Contact.JID + ") ON CONFLICT REPLACE);";
38
39 private DatabaseBackend(Context context) {
40 super(context, DATABASE_NAME, null, DATABASE_VERSION);
41 }
42
43 @Override
44 public void onCreate(SQLiteDatabase db) {
45 db.execSQL("PRAGMA foreign_keys=ON;");
46 db.execSQL("create table " + Account.TABLENAME + "(" + Account.UUID
47 + " TEXT PRIMARY KEY," + Account.USERNAME + " TEXT,"
48 + Account.SERVER + " TEXT," + Account.PASSWORD + " TEXT,"
49 + Account.ROSTERVERSION + " TEXT," + Account.OPTIONS
50 + " NUMBER, " + Account.AVATAR + " TEXT, " + Account.KEYS
51 + " TEXT)");
52 db.execSQL("create table " + Conversation.TABLENAME + " ("
53 + Conversation.UUID + " TEXT PRIMARY KEY, " + Conversation.NAME
54 + " TEXT, " + Conversation.CONTACT + " TEXT, "
55 + Conversation.ACCOUNT + " TEXT, " + Conversation.CONTACTJID
56 + " TEXT, " + Conversation.CREATED + " NUMBER, "
57 + Conversation.STATUS + " NUMBER, " + Conversation.MODE
58 + " NUMBER, " + Conversation.ATTRIBUTES + " TEXT, FOREIGN KEY("
59 + Conversation.ACCOUNT + ") REFERENCES " + Account.TABLENAME
60 + "(" + Account.UUID + ") ON DELETE CASCADE);");
61 db.execSQL("create table " + Message.TABLENAME + "( " + Message.UUID
62 + " TEXT PRIMARY KEY, " + Message.CONVERSATION + " TEXT, "
63 + Message.TIME_SENT + " NUMBER, " + Message.COUNTERPART
64 + " TEXT, " + Message.TRUE_COUNTERPART + " TEXT,"
65 + Message.BODY + " TEXT, " + Message.ENCRYPTION + " NUMBER, "
66 + Message.STATUS + " NUMBER," + Message.TYPE + " NUMBER, "
67 + Message.RELATIVE_FILE_PATH + " TEXT, "
68 + Message.SERVER_MSG_ID + " TEXT, "
69 + Message.REMOTE_MSG_ID + " TEXT, FOREIGN KEY("
70 + Message.CONVERSATION + ") REFERENCES "
71 + Conversation.TABLENAME + "(" + Conversation.UUID
72 + ") ON DELETE CASCADE);");
73
74 db.execSQL(CREATE_CONTATCS_STATEMENT);
75 }
76
77 @Override
78 public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
79 if (oldVersion < 2 && newVersion >= 2) {
80 db.execSQL("update " + Account.TABLENAME + " set "
81 + Account.OPTIONS + " = " + Account.OPTIONS + " | 8");
82 }
83 if (oldVersion < 3 && newVersion >= 3) {
84 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
85 + Message.TYPE + " NUMBER");
86 }
87 if (oldVersion < 5 && newVersion >= 5) {
88 db.execSQL("DROP TABLE " + Contact.TABLENAME);
89 db.execSQL(CREATE_CONTATCS_STATEMENT);
90 db.execSQL("UPDATE " + Account.TABLENAME + " SET "
91 + Account.ROSTERVERSION + " = NULL");
92 }
93 if (oldVersion < 6 && newVersion >= 6) {
94 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
95 + Message.TRUE_COUNTERPART + " TEXT");
96 }
97 if (oldVersion < 7 && newVersion >= 7) {
98 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
99 + Message.REMOTE_MSG_ID + " TEXT");
100 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
101 + Contact.AVATAR + " TEXT");
102 db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN "
103 + Account.AVATAR + " TEXT");
104 }
105 if (oldVersion < 8 && newVersion >= 8) {
106 db.execSQL("ALTER TABLE " + Conversation.TABLENAME + " ADD COLUMN "
107 + Conversation.ATTRIBUTES + " TEXT");
108 }
109 if (oldVersion < 9 && newVersion >= 9) {
110 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
111 + Contact.LAST_TIME + " NUMBER");
112 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
113 + Contact.LAST_PRESENCE + " TEXT");
114 }
115 if (oldVersion < 10 && newVersion >= 10) {
116 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
117 + Message.RELATIVE_FILE_PATH + " TEXT");
118 }
119 if (oldVersion < 11 && newVersion >= 11) {
120 db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN "
121 + Contact.GROUPS + " TEXT");
122 db.execSQL("delete from "+Contact.TABLENAME);
123 db.execSQL("update "+Account.TABLENAME+" set "+Account.ROSTERVERSION+" = NULL");
124 }
125 if (oldVersion < 12 && newVersion >= 12) {
126 db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN "
127 + Message.SERVER_MSG_ID + " TEXT");
128 }
129 }
130
131 public static synchronized DatabaseBackend getInstance(Context context) {
132 if (instance == null) {
133 instance = new DatabaseBackend(context);
134 }
135 return instance;
136 }
137
138 public void createConversation(Conversation conversation) {
139 SQLiteDatabase db = this.getWritableDatabase();
140 db.insert(Conversation.TABLENAME, null, conversation.getContentValues());
141 }
142
143 public void createMessage(Message message) {
144 SQLiteDatabase db = this.getWritableDatabase();
145 db.insert(Message.TABLENAME, null, message.getContentValues());
146 }
147
148 public void createAccount(Account account) {
149 SQLiteDatabase db = this.getWritableDatabase();
150 db.insert(Account.TABLENAME, null, account.getContentValues());
151 }
152
153 public void createContact(Contact contact) {
154 SQLiteDatabase db = this.getWritableDatabase();
155 db.insert(Contact.TABLENAME, null, contact.getContentValues());
156 }
157
158 public int getConversationCount() {
159 SQLiteDatabase db = this.getReadableDatabase();
160 Cursor cursor = db.rawQuery("select count(uuid) as count from "
161 + Conversation.TABLENAME + " where " + Conversation.STATUS
162 + "=" + Conversation.STATUS_AVAILABLE, null);
163 cursor.moveToFirst();
164 int count = cursor.getInt(0);
165 cursor.close();
166 return count;
167 }
168
169 public CopyOnWriteArrayList<Conversation> getConversations(int status) {
170 CopyOnWriteArrayList<Conversation> list = new CopyOnWriteArrayList<>();
171 SQLiteDatabase db = this.getReadableDatabase();
172 String[] selectionArgs = { Integer.toString(status) };
173 Cursor cursor = db.rawQuery("select * from " + Conversation.TABLENAME
174 + " where " + Conversation.STATUS + " = ? order by "
175 + Conversation.CREATED + " desc", selectionArgs);
176 while (cursor.moveToNext()) {
177 list.add(Conversation.fromCursor(cursor));
178 }
179 cursor.close();
180 return list;
181 }
182
183 public ArrayList<Message> getMessages(Conversation conversations, int limit) {
184 return getMessages(conversations, limit, -1);
185 }
186
187 public ArrayList<Message> getMessages(Conversation conversation, int limit,
188 long timestamp) {
189 ArrayList<Message> list = new ArrayList<>();
190 SQLiteDatabase db = this.getReadableDatabase();
191 Cursor cursor;
192 if (timestamp == -1) {
193 String[] selectionArgs = { conversation.getUuid() };
194 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
195 + "=?", selectionArgs, null, null, Message.TIME_SENT
196 + " DESC", String.valueOf(limit));
197 } else {
198 String[] selectionArgs = { conversation.getUuid(),
199 Long.toString(timestamp) };
200 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
201 + "=? and " + Message.TIME_SENT + "<?", selectionArgs,
202 null, null, Message.TIME_SENT + " DESC",
203 String.valueOf(limit));
204 }
205 if (cursor.getCount() > 0) {
206 cursor.moveToLast();
207 do {
208 Message message = Message.fromCursor(cursor);
209 message.setConversation(conversation);
210 list.add(message);
211 } while (cursor.moveToPrevious());
212 }
213 cursor.close();
214 return list;
215 }
216
217 public Conversation findConversation(final Account account, final Jid contactJid) {
218 SQLiteDatabase db = this.getReadableDatabase();
219 String[] selectionArgs = { account.getUuid(), contactJid.toBareJid().toString() + "%" };
220 Cursor cursor = db.query(Conversation.TABLENAME, null,
221 Conversation.ACCOUNT + "=? AND " + Conversation.CONTACTJID
222 + " like ?", selectionArgs, null, null, null);
223 if (cursor.getCount() == 0)
224 return null;
225 cursor.moveToFirst();
226 Conversation conversation = Conversation.fromCursor(cursor);
227 cursor.close();
228 return conversation;
229 }
230
231 public void updateConversation(final Conversation conversation) {
232 final SQLiteDatabase db = this.getWritableDatabase();
233 final String[] args = { conversation.getUuid() };
234 db.update(Conversation.TABLENAME, conversation.getContentValues(),
235 Conversation.UUID + "=?", args);
236 }
237
238 public List<Account> getAccounts() {
239 List<Account> list = new ArrayList<>();
240 SQLiteDatabase db = this.getReadableDatabase();
241 Cursor cursor = db.query(Account.TABLENAME, null, null, null, null,
242 null, null);
243 while (cursor.moveToNext()) {
244 list.add(Account.fromCursor(cursor));
245 }
246 cursor.close();
247 return list;
248 }
249
250 public void updateAccount(Account account) {
251 SQLiteDatabase db = this.getWritableDatabase();
252 String[] args = { account.getUuid() };
253 db.update(Account.TABLENAME, account.getContentValues(), Account.UUID
254 + "=?", args);
255 }
256
257 public void deleteAccount(Account account) {
258 SQLiteDatabase db = this.getWritableDatabase();
259 String[] args = { account.getUuid() };
260 db.delete(Account.TABLENAME, Account.UUID + "=?", args);
261 }
262
263 public boolean hasEnabledAccounts() {
264 SQLiteDatabase db = this.getReadableDatabase();
265 Cursor cursor = db.rawQuery("select count(" + Account.UUID + ") from "
266 + Account.TABLENAME + " where not options & (1 <<1)", null);
267 try {
268 cursor.moveToFirst();
269 int count = cursor.getInt(0);
270 cursor.close();
271 return (count > 0);
272 } catch (SQLiteCantOpenDatabaseException e) {
273 return true; // better safe than sorry
274 }
275 }
276
277 @Override
278 public SQLiteDatabase getWritableDatabase() {
279 SQLiteDatabase db = super.getWritableDatabase();
280 db.execSQL("PRAGMA foreign_keys=ON;");
281 return db;
282 }
283
284 public void updateMessage(Message message) {
285 SQLiteDatabase db = this.getWritableDatabase();
286 String[] args = { message.getUuid() };
287 db.update(Message.TABLENAME, message.getContentValues(), Message.UUID
288 + "=?", args);
289 }
290
291 public void readRoster(Roster roster) {
292 SQLiteDatabase db = this.getReadableDatabase();
293 Cursor cursor;
294 String args[] = { roster.getAccount().getUuid() };
295 cursor = db.query(Contact.TABLENAME, null, Contact.ACCOUNT + "=?",
296 args, null, null, null);
297 while (cursor.moveToNext()) {
298 roster.initContact(Contact.fromCursor(cursor));
299 }
300 cursor.close();
301 }
302
303 public void writeRoster(final Roster roster) {
304 final Account account = roster.getAccount();
305 final SQLiteDatabase db = this.getWritableDatabase();
306 for (Contact contact : roster.getContacts()) {
307 if (contact.getOption(Contact.Options.IN_ROSTER)) {
308 db.insert(Contact.TABLENAME, null, contact.getContentValues());
309 } else {
310 String where = Contact.ACCOUNT + "=? AND " + Contact.JID + "=?";
311 String[] whereArgs = { account.getUuid(), contact.getJid().toString() };
312 db.delete(Contact.TABLENAME, where, whereArgs);
313 }
314 }
315 account.setRosterVersion(roster.getVersion());
316 updateAccount(account);
317 }
318
319 public void deleteMessage(Message message) {
320 SQLiteDatabase db = this.getWritableDatabase();
321 String[] args = { message.getUuid() };
322 db.delete(Message.TABLENAME, Message.UUID + "=?", args);
323 }
324
325 public void deleteMessagesInConversation(Conversation conversation) {
326 SQLiteDatabase db = this.getWritableDatabase();
327 String[] args = { conversation.getUuid() };
328 db.delete(Message.TABLENAME, Message.CONVERSATION + "=?", args);
329 }
330
331 public Conversation findConversationByUuid(String conversationUuid) {
332 SQLiteDatabase db = this.getReadableDatabase();
333 String[] selectionArgs = { conversationUuid };
334 Cursor cursor = db.query(Conversation.TABLENAME, null,
335 Conversation.UUID + "=?", selectionArgs, null, null, null);
336 if (cursor.getCount() == 0) {
337 return null;
338 }
339 cursor.moveToFirst();
340 Conversation conversation = Conversation.fromCursor(cursor);
341 cursor.close();
342 return conversation;
343 }
344
345 public Message findMessageByUuid(String messageUuid) {
346 SQLiteDatabase db = this.getReadableDatabase();
347 String[] selectionArgs = { messageUuid };
348 Cursor cursor = db.query(Message.TABLENAME, null, Message.UUID + "=?",
349 selectionArgs, null, null, null);
350 if (cursor.getCount() == 0) {
351 return null;
352 }
353 cursor.moveToFirst();
354 Message message = Message.fromCursor(cursor);
355 cursor.close();
356 return message;
357 }
358
359 public Account findAccountByUuid(String accountUuid) {
360 SQLiteDatabase db = this.getReadableDatabase();
361 String[] selectionArgs = { accountUuid };
362 Cursor cursor = db.query(Account.TABLENAME, null, Account.UUID + "=?",
363 selectionArgs, null, null, null);
364 if (cursor.getCount() == 0) {
365 return null;
366 }
367 cursor.moveToFirst();
368 Account account = Account.fromCursor(cursor);
369 cursor.close();
370 return account;
371 }
372
373 public List<Message> getImageMessages(Conversation conversation) {
374 ArrayList<Message> list = new ArrayList<>();
375 SQLiteDatabase db = this.getReadableDatabase();
376 Cursor cursor;
377 String[] selectionArgs = { conversation.getUuid(), String.valueOf(Message.TYPE_IMAGE) };
378 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
379 + "=? AND "+Message.TYPE+"=?", selectionArgs, null, null,null);
380 if (cursor.getCount() > 0) {
381 cursor.moveToLast();
382 do {
383 Message message = Message.fromCursor(cursor);
384 message.setConversation(conversation);
385 list.add(message);
386 } while (cursor.moveToPrevious());
387 }
388 cursor.close();
389 return list;
390 }
391}