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