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Code Issues Releases Wiki Activity

Favorites item in library (in progress)

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This commit is contained in:
Nikolay Pultsin 2010-12-06 17:49:11 +00:00
parent 215dd88f22
commit d1f4f7798a
4 changed files with 67 additions and 1 deletions
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40
src/org/geometerplus/android/fbreader/SQLiteBooksDatabase.java
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@ -60,7 +60,7 @@ public final class SQLiteBooksDatabase extends BooksDatabase {
private void migrate(Context context) {
final int version = myDatabase.getVersion();
final int currentVersion = 10;
final int currentVersion = 11;
if (version >= currentVersion) {
return;
}
@ -89,6 +89,8 @@ public final class SQLiteBooksDatabase extends BooksDatabase {
updateTables8();
case 9:
updateTables9();
case 10:
updateTables10();
}
myDatabase.setTransactionSuccessful();
myDatabase.endTransaction();
@ -646,6 +648,36 @@ public final class SQLiteBooksDatabase extends BooksDatabase {
return ids;
}
private SQLiteStatement mySaveFavoritesStatement;
protected void saveFavoritesIds(final List<Long> ids) {
if (mySaveFavoritesStatement == null) {
mySaveFavoritesStatement = myDatabase.compileStatement(
"INSERT INTO Favorites (book_id) VALUES (?)"
);
}
executeAsATransaction(new Runnable() {
public void run() {
myDatabase.delete("Favorites", null, null);
for (long id : ids) {
mySaveFavoritesStatement.bindLong(1, id);
mySaveFavoritesStatement.execute();
}
}
});
}
protected List<Long> loadFavoritesIds() {
final Cursor cursor = myDatabase.rawQuery(
"SELECT book_id FROM Favorites", null
);
final LinkedList<Long> ids = new LinkedList<Long>();
while (cursor.moveToNext()) {
ids.add(cursor.getLong(0));
}
cursor.close();
return ids;
}
protected List<Bookmark> loadBookmarks(long bookId) {
LinkedList<Bookmark> list = new LinkedList<Bookmark>();
Cursor cursor = myDatabase.rawQuery(
@ -1071,4 +1103,10 @@ public final class SQLiteBooksDatabase extends BooksDatabase {
private void updateTables9() {
myDatabase.execSQL("CREATE INDEX BookList_BookIndex ON BookList (book_id)");
}
private void updateTables10() {
myDatabase.execSQL(
"CREATE TABLE IF NOT EXISTS Favorites(" +
"book_id INTEGER UNIQUE NOT NULL REFERENCES Books(book_id))");
}
}