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