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BookCollection sends label to db

This commit is contained in:
Nikolay Pultsin 2013-03-09 15:23:34 +04:00
parent 54df61dfb2
commit 981e31c44f
3 changed files with 54 additions and 43 deletions

View file

@ -671,6 +671,7 @@ final class SQLiteBooksDatabase extends BooksDatabase {
});
}
@Override
protected List<Long> loadRecentBookIds() {
final Cursor cursor = myDatabase.rawQuery(
"SELECT book_id FROM RecentBooks ORDER BY book_index", null
@ -683,59 +684,73 @@ final class SQLiteBooksDatabase extends BooksDatabase {
return ids;
}
protected boolean hasFavorites() {
@Override
protected List<String> labels() {
final Cursor cursor = myDatabase.rawQuery(
"SELECT BookLabel.book_id FROM BookLabel" +
" INNER JOIN Labels ON BookLabel.label_id=Labels.label_id" +
" WHERE Labels.name='favorite' LIMIT 1", null
"SELECT Labels.name FROM Labels" +
" INNER JOIN BookLabel ON BookLabel.label_id=Labels.label_id" +
" GROUP BY Labels.name",
null
);
boolean result = cursor.moveToNext();
final LinkedList<String> names = new LinkedList<String>();
while (cursor.moveToNext()) {
names.add(cursor.getString(0));
}
cursor.close();
return result;
return names;
}
protected boolean isFavorite(long bookId) {
@Override
protected List<String> labels(long bookId) {
final Cursor cursor = myDatabase.rawQuery(
"SELECT BookLabel.book_id FROM BookLabel" +
" INNER JOIN Labels ON BookLabel.label_id=Labels.label_id" +
" WHERE BookLabel.book_id=? AND Labels.name='favorite' LIMIT 1",
"SELECT Labels.name FROM Labels" +
" INNER JOIN BookLabel ON BookLabel.label_id=Labels.label_id" +
" WHERE BookLabel.book_id=?",
new String[] { String.valueOf(bookId) }
);
boolean result = cursor.moveToNext();
final LinkedList<String> names = new LinkedList<String>();
while (cursor.moveToNext()) {
names.add(cursor.getString(0));
}
cursor.close();
return result;
return names;
}
private SQLiteStatement myAddToFavoritesStatement;
protected void addToFavorites(long bookId) {
myDatabase.execSQL("INSERT OR IGNORE INTO Labels (name) VALUES ('favorite')");
if (myAddToFavoritesStatement == null) {
myAddToFavoritesStatement = myDatabase.compileStatement(
private SQLiteStatement mySetLabelStatement;
@Override
protected void setLabel(long bookId, String label) {
myDatabase.execSQL("INSERT OR IGNORE INTO Labels (name) VALUES (?)", new Object[] { label });
if (mySetLabelStatement == null) {
mySetLabelStatement = myDatabase.compileStatement(
"INSERT OR IGNORE INTO BookLabel(label_id,book_id)" +
" SELECT label_id,? FROM Labels WHERE name='favorite'"
" SELECT label_id,? FROM Labels WHERE name=?"
);
}
myAddToFavoritesStatement.bindLong(1, bookId);
myAddToFavoritesStatement.execute();
mySetLabelStatement.bindLong(1, bookId);
mySetLabelStatement.bindString(2, label);
mySetLabelStatement.execute();
}
private SQLiteStatement myRemoveFromFavoritesStatement;
protected void removeFromFavorites(long bookId) {
if (myRemoveFromFavoritesStatement == null) {
myRemoveFromFavoritesStatement = myDatabase.compileStatement(
private SQLiteStatement myRemoveLabelStatement;
@Override
protected void removeLabel(long bookId, String label) {
if (myRemoveLabelStatement == null) {
myRemoveLabelStatement = myDatabase.compileStatement(
"DELETE FROM BookLabel WHERE book_id=? AND label_id IN" +
" (SELECT label_id FROM Labels WHERE name='favorite')"
" (SELECT label_id FROM Labels WHERE name=?)"
);
}
myRemoveFromFavoritesStatement.bindLong(1, bookId);
myRemoveFromFavoritesStatement.execute();
myRemoveLabelStatement.bindLong(1, bookId);
myRemoveLabelStatement.bindString(2, label);
myRemoveLabelStatement.execute();
}
protected List<Long> loadFavoriteIds() {
@Override
protected List<Long> loadBooksForLabelIds(String label) {
final Cursor cursor = myDatabase.rawQuery(
"SELECT BookLabel.book_id FROM BookLabel" +
" INNER JOIN Labels ON BookLabel.label_id=Labels.label_id" +
" WHERE Labels.name='favorite'", null
" WHERE Labels.name=?", new String[] { label }
);
final LinkedList<Long> ids = new LinkedList<Long>();
while (cursor.moveToNext()) {

View file

@ -293,7 +293,7 @@ public class BookCollection extends AbstractBookCollection {
}
public List<Book> booksForLabel(String label) {
return books(myDatabase.loadFavoriteIds());
return books(myDatabase.loadBooksForLabelIds(label));
}
private List<Book> books(List<Long> ids) {
@ -489,27 +489,23 @@ public class BookCollection extends AbstractBookCollection {
}
public List<String> labels() {
return myDatabase.hasFavorites()
? Collections.singletonList(Book.FAVORITE_LABEL)
: Collections.<String>emptyList();
return myDatabase.labels();
}
public List<String> labels(Book book) {
if (book == null) {
return Collections.<String>emptyList();
}
return myDatabase.isFavorite(book.getId())
? Collections.singletonList(Book.FAVORITE_LABEL)
: Collections.<String>emptyList();
return myDatabase.labels(book.getId());
}
public void setLabel(Book book, String label) {
myDatabase.addToFavorites(book.getId());
myDatabase.setLabel(book.getId(), label);
fireBookEvent(BookEvent.Updated, book);
}
public void removeLabel(Book book, String label) {
myDatabase.removeFromFavorites(book.getId());
myDatabase.removeLabel(book.getId(), label);
fireBookEvent(BookEvent.Updated, book);
}

View file

@ -76,11 +76,11 @@ public abstract class BooksDatabase {
protected abstract List<Long> loadRecentBookIds();
protected abstract void saveRecentBookIds(final List<Long> ids);
protected abstract List<Long> loadFavoriteIds();
protected abstract boolean hasFavorites();
protected abstract boolean isFavorite(long bookId);
protected abstract void addToFavorites(long bookId);
protected abstract void removeFromFavorites(long bookId);
protected abstract List<Long> loadBooksForLabelIds(String label);
protected abstract List<String> labels();
protected abstract List<String> labels(long bookId);
protected abstract void setLabel(long bookId, String label);
protected abstract void removeLabel(long bookId, String label);
protected Bookmark createBookmark(long id, long bookId, String bookTitle, String text, Date creationDate, Date modificationDate, Date accessDate, int accessCounter, String modelId, int paragraphIndex, int wordIndex, int charIndex, boolean isVisible) {
return new Bookmark(id, bookId, bookTitle, text, creationDate, modificationDate, accessDate, accessCounter, modelId, paragraphIndex, wordIndex, charIndex, isVisible);