public long getSize() throws MessagingException {
final StorageManager storageManager = StorageManager.getInstance(context);
final File attachmentDirectory =
storageManager.getAttachmentDirectory(uUid, database.getStorageProviderId());
return database.execute(
false,
new DbCallback<Long>() {
@Override
public Long doDbWork(final SQLiteDatabase db) {
final File[] files = attachmentDirectory.listFiles();
long attachmentLength = 0;
if (files != null) {
for (File file : files) {
if (file.exists()) {
attachmentLength += file.length();
}
}
}
final File dbFile = storageManager.getDatabase(uUid, database.getStorageProviderId());
return dbFile.length() + attachmentLength;
}
});
}
private void deleteAllMessagePartsDataFromDisk() {
final StorageManager storageManager = StorageManager.getInstance(context);
File attachmentDirectory =
storageManager.getAttachmentDirectory(uUid, database.getStorageProviderId());
File[] files = attachmentDirectory.listFiles();
if (files == null) {
return;
}
for (File file : files) {
if (file.exists() && !file.delete()) {
file.deleteOnExit();
}
}
}
File getAttachmentFile(String attachmentId) {
final StorageManager storageManager = StorageManager.getInstance(context);
final File attachmentDirectory =
storageManager.getAttachmentDirectory(uUid, database.getStorageProviderId());
return new File(attachmentDirectory, attachmentId);
}