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Users and chats are saved to the database as well; DB schema changed requiring you to delete your database.sqlite at this point; old 'good' messages will not be overwritten by newer 'empty' messages.

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This commit is contained in:
Fabian Schlenz 2016-07-04 09:35:12 +02:00
parent 7eed1f6bb1
commit 45e3e22ef3
2 changed files with 148 additions and 18 deletions
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162
src/main/java/de/fabianonline/telegram_backup/Database.java
View File

@ -68,19 +68,21 @@ class Database {
+ "dialog_id INTEGER, "
+ "to_id INTEGER, "
+ "from_id INTEGER, "
+ "type TEXT, "
+ "from_type TEXT, "
+ "text TEXT, "
+ "time TEXT, "
+ "has_media BOOLEAN, "
+ "sticker TEXT, "
+ "data BLOB)");
+ "data BLOB,"
+ "type TEXT)");
stmt.executeUpdate("CREATE TABLE dialogs ("
+ "id INTEGER PRIMARY KEY ASC, "
+ "name TEXT, "
+ "type TEXT)");
stmt.executeUpdate("CREATE TABLE people ("
+ "id INTEGER PRIMARY KEY ASC, "
+ "name TEXT, "
+ "first_name TEXT, "
+ "last_name TEXT, "
+ "username TEXT, "
+ "type TEXT)");
stmt.executeUpdate("CREATE TABLE database_versions ("
@ -106,13 +108,18 @@ class Database {
}
}
public void save(TLVector<TLAbsMessage> all) {
public void saveMessages(TLVector<TLAbsMessage> all) {
try {
PreparedStatement ps = conn.prepareStatement(
"INSERT INTO messages " +
"(id, dialog_id, from_id, type, text, time, has_media, data, sticker) " +
"INSERT OR REPLACE INTO messages " +
"(id, dialog_id, from_id, from_type, text, time, has_media, data, sticker, type) " +
"VALUES " +
"(?, ?, ?, ?, ?, ?, ?, ?, ?)");
"(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
PreparedStatement ps_insert_or_ignore = conn.prepareStatement(
"INSERT OR IGNORE INTO messages " +
"(id, dialog_id, from_id, from_type, text, time, has_media, data, sticker, type) " +
"VALUES " +
"(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
for (TLAbsMessage abs : all) {
if (abs instanceof TLMessage) {
TLMessage msg = (TLMessage) abs;
@ -166,20 +173,33 @@ class Database {
} else {
ps.setNull(9, Types.VARCHAR);
}
ps.setString(10, "message");
ps.addBatch();
} else if (abs instanceof TLMessageService) {
// Ignore service messages.
ps_insert_or_ignore.setInt(1, abs.getId());
ps_insert_or_ignore.setNull(2, Types.INTEGER);
ps_insert_or_ignore.setNull(3, Types.INTEGER);
ps_insert_or_ignore.setNull(4, Types.VARCHAR);
ps_insert_or_ignore.setNull(5, Types.VARCHAR);
ps_insert_or_ignore.setNull(6, Types.INTEGER);
ps_insert_or_ignore.setNull(7, Types.BOOLEAN);
ps_insert_or_ignore.setNull(8, Types.BLOB);
ps_insert_or_ignore.setNull(9, Types.VARCHAR);
ps_insert_or_ignore.setString(10, "service_message");
ps_insert_or_ignore.addBatch();
} else if (abs instanceof TLMessageEmpty) {
TLMessageEmpty msg = (TLMessageEmpty) abs;
ps.setInt(1, msg.getId());
ps.setNull(2, Types.INTEGER);
ps.setNull(3, Types.INTEGER);
ps.setNull(4, Types.VARCHAR);
ps.setNull(5, Types.VARCHAR);
ps.setNull(6, Types.INTEGER);
ps.setNull(7, Types.BOOLEAN);
ps.setNull(8, Types.BLOB);
ps.addBatch();
ps_insert_or_ignore.setInt(1, msg.getId());
ps_insert_or_ignore.setNull(2, Types.INTEGER);
ps_insert_or_ignore.setNull(3, Types.INTEGER);
ps_insert_or_ignore.setNull(4, Types.VARCHAR);
ps_insert_or_ignore.setNull(5, Types.VARCHAR);
ps_insert_or_ignore.setNull(6, Types.INTEGER);
ps_insert_or_ignore.setNull(7, Types.BOOLEAN);
ps_insert_or_ignore.setNull(8, Types.BLOB);
ps_insert_or_ignore.setNull(9, Types.VARCHAR);
ps_insert_or_ignore.setString(10, "empty_message");
ps_insert_or_ignore.addBatch();
} else {
throw new RuntimeException("Unexpected Message type: " + abs.getClass().getName());
}
@ -187,6 +207,114 @@ class Database {
conn.setAutoCommit(false);
ps.executeBatch();
ps.clearBatch();
ps_insert_or_ignore.executeBatch();
ps_insert_or_ignore.clearBatch();
conn.commit();
conn.setAutoCommit(true);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Exception shown above happened.");
}
}
public void saveChats(TLVector<TLAbsChat> all) {
try {
PreparedStatement ps_insert_or_replace = conn.prepareStatement(
"INSERT OR REPLACE INTO dialogs " +
"(id, name, type) "+
"VALUES " +
"(?, ?, ?)");
PreparedStatement ps_insert_or_ignore = conn.prepareStatement(
"INSERT OR IGNORE INTO dialogs " +
"(id, name, type) "+
"VALUES " +
"(?, ?, ?)");
for(TLAbsChat abs : all) {
ps_insert_or_replace.setInt(1, abs.getId());
ps_insert_or_ignore.setInt(1, abs.getId());
if (abs instanceof TLChatEmpty) {
ps_insert_or_ignore.setNull(2, Types.VARCHAR);
ps_insert_or_ignore.setString(3, "empty_chat");
ps_insert_or_ignore.addBatch();
} else if (abs instanceof TLChatForbidden) {
ps_insert_or_replace.setString(2, ((TLChatForbidden)abs).getTitle());
ps_insert_or_replace.setString(3, "chat");
ps_insert_or_replace.addBatch();
} else if (abs instanceof TLChannelForbidden) {
ps_insert_or_replace.setString(2, ((TLChannelForbidden)abs).getTitle());
ps_insert_or_replace.setString(3, "channel");
ps_insert_or_replace.addBatch();
} else if (abs instanceof TLChat) {
ps_insert_or_replace.setString(2, ((TLChat) abs).getTitle());
ps_insert_or_replace.setString(3, "chat");
ps_insert_or_replace.addBatch();
} else if (abs instanceof TLChannel) {
ps_insert_or_replace.setString(2, ((TLChannel)abs).getTitle());
ps_insert_or_replace.setString(3, "channel");
ps_insert_or_replace.addBatch();
} else {
throw new RuntimeException("Unexpected " + abs.getClass().getName());
}
}
conn.setAutoCommit(false);
ps_insert_or_ignore.executeBatch();
ps_insert_or_ignore.clearBatch();
ps_insert_or_replace.executeBatch();
ps_insert_or_replace.clearBatch();
conn.commit();
conn.setAutoCommit(true);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Exception shown above happened.");
}
}
public void saveUsers(TLVector<TLAbsUser> all) {
/*
("
+ "id INTEGER PRIMARY KEY ASC, "
+ "first_name TEXT, "
+ "last_name TEXT, "
+ "username TEXT, "
+ "type TEXT)
*/
try {
PreparedStatement ps_insert_or_replace = conn.prepareStatement(
"INSERT OR REPLACE INTO people " +
"(id, first_name, last_name, username, type) " +
"VALUES " +
"(?, ?, ?, ?, ?)");
PreparedStatement ps_insert_or_ignore = conn.prepareStatement(
"INSERT OR IGNORE INTO people " +
"(id, first_name, last_name, username, type) " +
"VALUES " +
"(?, ?, ?, ?, ?)");
for (TLAbsUser abs : all) {
if (abs instanceof TLUser) {
TLUser user = (TLUser)abs;
ps_insert_or_replace.setInt(1, user.getId());
ps_insert_or_replace.setString(2, user.getFirstName());
ps_insert_or_replace.setString(3, user.getLastName());
ps_insert_or_replace.setString(4, user.getUsername());
ps_insert_or_replace.setString(5, "user");
ps_insert_or_replace.addBatch();
} else if (abs instanceof TLUserEmpty) {
ps_insert_or_ignore.setInt(1, abs.getId());
ps_insert_or_ignore.setNull(2, Types.VARCHAR);
ps_insert_or_ignore.setNull(3, Types.VARCHAR);
ps_insert_or_ignore.setNull(4, Types.VARCHAR);
ps_insert_or_ignore.setString(5, "empty_user");
ps_insert_or_ignore.addBatch();
} else {
throw new RuntimeException("Unexpected " + abs.getClass().getName());
}
}
conn.setAutoCommit(false);
ps_insert_or_ignore.executeBatch();
ps_insert_or_ignore.clearBatch();
ps_insert_or_replace.executeBatch();
ps_insert_or_replace.clearBatch();
conn.commit();
conn.setAutoCommit(true);
} catch (Exception e) {

4
src/main/java/de/fabianonline/telegram_backup/DownloadManager.java
View File

@ -75,7 +75,9 @@ class DownloadManager {
TLAbsMessages response = client.messagesGetMessages(ids);
prog.onMessageDownloaded(response.getMessages().size());
db.save(response.getMessages());
db.saveMessages(response.getMessages());
db.saveChats(response.getChats());
db.saveUsers(response.getUsers());
try {
Thread.sleep(Config.DELAY_AFTER_GET_MESSAGES);
} catch (InterruptedException e) {}