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 return cursor.getInt(0);
154 }
155
156 public CopyOnWriteArrayList<Conversation> getConversations(int status) {
157 CopyOnWriteArrayList<Conversation> list = new CopyOnWriteArrayList<>();
158 SQLiteDatabase db = this.getReadableDatabase();
159 String[] selectionArgs = { Integer.toString(status) };
160 Cursor cursor = db.rawQuery("select * from " + Conversation.TABLENAME
161 + " where " + Conversation.STATUS + " = ? order by "
162 + Conversation.CREATED + " desc", selectionArgs);
163 while (cursor.moveToNext()) {
164 list.add(Conversation.fromCursor(cursor));
165 }
166 return list;
167 }
168
169 public ArrayList<Message> getMessages(Conversation conversations, int limit) {
170 return getMessages(conversations, limit, -1);
171 }
172
173 public ArrayList<Message> getMessages(Conversation conversation, int limit,
174 long timestamp) {
175 ArrayList<Message> list = new ArrayList<>();
176 SQLiteDatabase db = this.getReadableDatabase();
177 Cursor cursor;
178 if (timestamp == -1) {
179 String[] selectionArgs = { conversation.getUuid() };
180 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
181 + "=?", selectionArgs, null, null, Message.TIME_SENT
182 + " DESC", String.valueOf(limit));
183 } else {
184 String[] selectionArgs = { conversation.getUuid(),
185 Long.toString(timestamp) };
186 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
187 + "=? and " + Message.TIME_SENT + "<?", selectionArgs,
188 null, null, Message.TIME_SENT + " DESC",
189 String.valueOf(limit));
190 }
191 if (cursor.getCount() > 0) {
192 cursor.moveToLast();
193 do {
194 Message message = Message.fromCursor(cursor);
195 message.setConversation(conversation);
196 list.add(message);
197 } while (cursor.moveToPrevious());
198 }
199 return list;
200 }
201
202 public Conversation findConversation(final Account account, final Jid contactJid) {
203 SQLiteDatabase db = this.getReadableDatabase();
204 String[] selectionArgs = { account.getUuid(), contactJid.toBareJid().toString() + "%" };
205 Cursor cursor = db.query(Conversation.TABLENAME, null,
206 Conversation.ACCOUNT + "=? AND " + Conversation.CONTACTJID
207 + " like ?", selectionArgs, null, null, null);
208 if (cursor.getCount() == 0)
209 return null;
210 cursor.moveToFirst();
211 return Conversation.fromCursor(cursor);
212 }
213
214 public void updateConversation(Conversation conversation) {
215 SQLiteDatabase db = this.getWritableDatabase();
216 String[] args = { conversation.getUuid() };
217 db.update(Conversation.TABLENAME, conversation.getContentValues(),
218 Conversation.UUID + "=?", args);
219 }
220
221 public List<Account> getAccounts() {
222 List<Account> list = new ArrayList<>();
223 SQLiteDatabase db = this.getReadableDatabase();
224 Cursor cursor = db.query(Account.TABLENAME, null, null, null, null,
225 null, null);
226 while (cursor.moveToNext()) {
227 list.add(Account.fromCursor(cursor));
228 }
229 cursor.close();
230 return list;
231 }
232
233 public void updateAccount(Account account) {
234 SQLiteDatabase db = this.getWritableDatabase();
235 String[] args = { account.getUuid() };
236 db.update(Account.TABLENAME, account.getContentValues(), Account.UUID
237 + "=?", args);
238 }
239
240 public void deleteAccount(Account account) {
241 SQLiteDatabase db = this.getWritableDatabase();
242 String[] args = { account.getUuid() };
243 db.delete(Account.TABLENAME, Account.UUID + "=?", args);
244 }
245
246 public boolean hasEnabledAccounts() {
247 SQLiteDatabase db = this.getReadableDatabase();
248 Cursor cursor = db.rawQuery("select count(" + Account.UUID + ") from "
249 + Account.TABLENAME + " where not options & (1 <<1)", null);
250 try {
251 cursor.moveToFirst();
252 int count = cursor.getInt(0);
253 cursor.close();
254 return (count > 0);
255 } catch (SQLiteCantOpenDatabaseException e) {
256 return true; // better safe than sorry
257 }
258 }
259
260 @Override
261 public SQLiteDatabase getWritableDatabase() {
262 SQLiteDatabase db = super.getWritableDatabase();
263 db.execSQL("PRAGMA foreign_keys=ON;");
264 return db;
265 }
266
267 public void updateMessage(Message message) {
268 SQLiteDatabase db = this.getWritableDatabase();
269 String[] args = { message.getUuid() };
270 db.update(Message.TABLENAME, message.getContentValues(), Message.UUID
271 + "=?", args);
272 }
273
274 public void readRoster(Roster roster) {
275 SQLiteDatabase db = this.getReadableDatabase();
276 Cursor cursor;
277 String args[] = { roster.getAccount().getUuid() };
278 cursor = db.query(Contact.TABLENAME, null, Contact.ACCOUNT + "=?",
279 args, null, null, null);
280 while (cursor.moveToNext()) {
281 roster.initContact(Contact.fromCursor(cursor));
282 }
283 cursor.close();
284 }
285
286 public void writeRoster(final Roster roster) {
287 final Account account = roster.getAccount();
288 final SQLiteDatabase db = this.getWritableDatabase();
289 for (Contact contact : roster.getContacts()) {
290 if (contact.getOption(Contact.Options.IN_ROSTER)) {
291 db.insert(Contact.TABLENAME, null, contact.getContentValues());
292 } else {
293 String where = Contact.ACCOUNT + "=? AND " + Contact.JID + "=?";
294 String[] whereArgs = { account.getUuid(), contact.getJid().toString() };
295 db.delete(Contact.TABLENAME, where, whereArgs);
296 }
297 }
298 account.setRosterVersion(roster.getVersion());
299 updateAccount(account);
300 }
301
302 public void deleteMessage(Message message) {
303 SQLiteDatabase db = this.getWritableDatabase();
304 String[] args = { message.getUuid() };
305 db.delete(Message.TABLENAME, Message.UUID + "=?", args);
306 }
307
308 public void deleteMessagesInConversation(Conversation conversation) {
309 SQLiteDatabase db = this.getWritableDatabase();
310 String[] args = { conversation.getUuid() };
311 db.delete(Message.TABLENAME, Message.CONVERSATION + "=?", args);
312 }
313
314 public Conversation findConversationByUuid(String conversationUuid) {
315 SQLiteDatabase db = this.getReadableDatabase();
316 String[] selectionArgs = { conversationUuid };
317 Cursor cursor = db.query(Conversation.TABLENAME, null,
318 Conversation.UUID + "=?", selectionArgs, null, null, null);
319 if (cursor.getCount() == 0) {
320 return null;
321 }
322 cursor.moveToFirst();
323 return Conversation.fromCursor(cursor);
324 }
325
326 public Message findMessageByUuid(String messageUuid) {
327 SQLiteDatabase db = this.getReadableDatabase();
328 String[] selectionArgs = { messageUuid };
329 Cursor cursor = db.query(Message.TABLENAME, null, Message.UUID + "=?",
330 selectionArgs, null, null, null);
331 if (cursor.getCount() == 0) {
332 return null;
333 }
334 cursor.moveToFirst();
335 return Message.fromCursor(cursor);
336 }
337
338 public Account findAccountByUuid(String accountUuid) {
339 SQLiteDatabase db = this.getReadableDatabase();
340 String[] selectionArgs = { accountUuid };
341 Cursor cursor = db.query(Account.TABLENAME, null, Account.UUID + "=?",
342 selectionArgs, null, null, null);
343 if (cursor.getCount() == 0) {
344 return null;
345 }
346 cursor.moveToFirst();
347 return Account.fromCursor(cursor);
348 }
349
350 public List<Message> getImageMessages(Conversation conversation) {
351 ArrayList<Message> list = new ArrayList<>();
352 SQLiteDatabase db = this.getReadableDatabase();
353 Cursor cursor;
354 String[] selectionArgs = { conversation.getUuid(), String.valueOf(Message.TYPE_IMAGE) };
355 cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
356 + "=? AND "+Message.TYPE+"=?", selectionArgs, null, null,null);
357 if (cursor.getCount() > 0) {
358 cursor.moveToLast();
359 do {
360 Message message = Message.fromCursor(cursor);
361 message.setConversation(conversation);
362 list.add(message);
363 } while (cursor.moveToPrevious());
364 }
365 return list;
366 }
367}