@Override
protected Cursor doInBackground(Void... params) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mParent);
int activeAccount = prefs.getInt(Constants.KEY_ACTIVE_ACCOUNT, -1);
Cursor c =
DatabaseObject.getInstance()
.query(
mParent,
TransactionsDatabase.TransactionEntry.TABLE_NAME,
null,
TransactionEntry.COLUMN_NAME_ACCOUNT + " = ?",
new String[] {Integer.toString(activeAccount)},
null,
null,
null);
return c;
}
@Override
protected Boolean doInBackground(Integer... params) {
List<JSONObject> transactions = new ArrayList<JSONObject>();
Map<String, JSONObject> transfers = null;
String currentUserId = null;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mParent);
int activeAccount = prefs.getInt(Constants.KEY_ACTIVE_ACCOUNT, -1);
int startPage = (params.length == 0 || params[0] == null) ? 0 : params[0];
int loadedPage;
// Make API call to download list of transactions
try {
int numPages = 1; // Real value will be set after first list iteration
loadedPage = startPage;
// Loop is required to sync all pages of transaction history
for (int i = startPage + 1; i <= startPage + Math.min(numPages, MAX_PAGES); i++) {
List<BasicNameValuePair> getParams = new ArrayList<BasicNameValuePair>();
getParams.add(new BasicNameValuePair("page", Integer.toString(i)));
JSONObject response =
RpcManager.getInstance().callGet(mParent, "transactions", getParams);
currentUserId = response.getJSONObject("current_user").getString("id");
JSONArray transactionsArray = response.optJSONArray("transactions");
numPages = response.getInt("num_pages");
if (transactionsArray == null) {
// No transactions
continue;
}
for (int j = 0; j < transactionsArray.length(); j++) {
JSONObject transaction =
transactionsArray.getJSONObject(j).getJSONObject("transaction");
transactions.add(transaction);
}
loadedPage++;
}
if (startPage == 0) {
transfers = fetchTransferData();
}
mMaxPage = numPages;
} catch (IOException e) {
Log.e("Coinbase", "I/O error refreshing transactions.");
e.printStackTrace();
return false;
} catch (JSONException e) {
// Malformed response from Coinbase.
Log.e(
"Coinbase",
"Could not parse JSON response from Coinbase, aborting refresh of transactions.");
ACRA.getErrorReporter().handleException(new RuntimeException("SyncTransactions", e));
e.printStackTrace();
return false;
}
DatabaseObject db = DatabaseObject.getInstance();
synchronized (db.databaseLock) {
db.beginTransaction(mParent);
try {
if (startPage == 0) {
// Remove all old transactions
db.delete(
mParent,
TransactionEntry.TABLE_NAME,
TransactionEntry.COLUMN_NAME_ACCOUNT + " = ?",
new String[] {Integer.toString(activeAccount)});
}
// Update user ID
Editor editor = prefs.edit();
editor.putString(String.format(Constants.KEY_ACCOUNT_ID, activeAccount), currentUserId);
editor.commit();
for (JSONObject transaction : transactions) {
ContentValues values = new ContentValues();
String createdAtStr = transaction.optString("created_at", null);
long createdAt;
try {
if (createdAtStr != null) {
createdAt = ISO8601.toCalendar(createdAtStr).getTimeInMillis();
} else {
createdAt = -1;
}
} catch (ParseException e) {
// Error parsing createdAt
e.printStackTrace();
createdAt = -1;
}
JSONObject transferData = null;
if (transfers != null) {
String id = transaction.optString("id");
transferData = transfers.get(id);
}
values.put(TransactionEntry._ID, transaction.getString("id"));
values.put(TransactionEntry.COLUMN_NAME_JSON, transaction.toString());
values.put(TransactionEntry.COLUMN_NAME_TIME, createdAt);
values.put(TransactionEntry.COLUMN_NAME_ACCOUNT, activeAccount);
values.put(
TransactionEntry.COLUMN_NAME_TRANSFER_JSON,
transferData == null ? null : transferData.toString());
values.put(TransactionEntry.COLUMN_NAME_IS_TRANSFER, transferData == null ? 0 : 1);
db.insert(mParent, TransactionEntry.TABLE_NAME, null, values);
}
db.setTransactionSuccessful(mParent);
mLastLoadedPage = loadedPage;
// Update list
loadTransactionsList();
// Update transaction widgets
updateWidgets();
// Update the buy / sell history list
mParent.getBuySellFragment().onTransactionsSynced();
return true;
} catch (JSONException e) {
// Malformed response from Coinbase.
Log.e(
"Coinbase",
"Could not parse JSON response from Coinbase, aborting refresh of transactions.");
e.printStackTrace();
return false;
} finally {
db.endTransaction(mParent);
}
}
}