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