/*
* purge older/unattached data - use purgeAsync() to do this in the background
*/
private static void purge() {
SQLiteDatabase db = getWritableDb();
db.beginTransaction();
try {
int numPostsDeleted = ReaderPostTable.purge(db);
// don't bother purging other data unless posts were purged
if (numPostsDeleted > 0) {
AppLog.i(T.READER, String.format("%d total posts purged", numPostsDeleted));
// purge unattached comments
int numCommentsDeleted = ReaderCommentTable.purge(db);
if (numCommentsDeleted > 0) {
AppLog.i(T.READER, String.format("%d comments purged", numCommentsDeleted));
}
// purge unattached likes
int numLikesDeleted = ReaderLikeTable.purge(db);
if (numLikesDeleted > 0) {
AppLog.i(T.READER, String.format("%d likes purged", numLikesDeleted));
}
// purge unattached thumbnails
int numThumbsPurged = ReaderThumbnailTable.purge(db);
if (numThumbsPurged > 0) {
AppLog.i(T.READER, String.format("%d thumbnails purged", numThumbsPurged));
}
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
}
private void dropAllTables(SQLiteDatabase db) {
ReaderCommentTable.dropTables(db);
ReaderLikeTable.dropTables(db);
ReaderPostTable.dropTables(db);
ReaderTagTable.dropTables(db);
ReaderUserTable.dropTables(db);
ReaderThumbnailTable.dropTables(db);
ReaderBlogTable.dropTables(db);
}