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