/**
* Goes through an array (which may also contain other arrays) and find
* the most latest 'created_at' value.
*/
function find_latest_created_at($a, $prefix = false)
{
if (!is_array($a)) {
return false;
}
$created_at = false;
foreach ($a as $k => $v) {
if (!is_numeric($k) && $k == "created_at") {
$created_at = max($created_at, strtotime($v));
} else {
if (is_array($v)) {
if (!$prefix || substr($k, 0, strlen($prefix)) == $prefix) {
$created_at = max($created_at, find_latest_created_at($v));
}
}
}
}
return $created_at;
}
public function getData($days)
{
$key_column = array('type' => 'string', 'title' => ct("Currency"));
$columns = array();
// get all balances
$balances = get_all_summary_instances($this->getUser());
$last_updated = find_latest_created_at($balances, "total");
// and convert them using the most recent rates
$rates = get_all_recent_rates();
// create data
// TODO refactor this into generic any-currency balances
$data = array();
if (isset($balances['totalbtc']) && $balances['totalbtc']['balance'] != 0) {
$columns[] = array('type' => 'number', 'title' => get_currency_abbr('btc'));
$data[] = graph_number_format(demo_scale($balances['totalbtc']['balance']));
}
foreach (get_all_currencies() as $cur) {
// if the key is a currency, use the same currency colour across all graphs (#293)
$color = array_search($cur, get_all_currencies());
if ($cur == 'btc') {
continue;
}
if (!is_fiat_currency($cur) && isset($balances['total' . $cur]) && $balances['total' . $cur]['balance'] != 0 && isset($rates['btc' . $cur])) {
$columns[] = array('type' => 'number', 'title' => get_currency_abbr($cur), 'color' => $color);
$data[] = graph_number_format(demo_scale($balances['total' . $cur]['balance'] * $rates['btc' . $cur]['bid']));
}
if (is_fiat_currency($cur) && isset($balances['total' . $cur]) && $balances['total' . $cur]['balance'] != 0 && isset($rates[$cur . 'btc']) && $rates[$cur . 'btc']['ask']) {
$columns[] = array('type' => 'number', 'title' => get_currency_abbr($cur), 'color' => $color);
$data[] = graph_number_format(demo_scale($balances['total' . $cur]['balance'] / $rates[$cur . 'btc']['ask']));
}
}
// display a helpful message if there's no data
if (!$data) {
throw new NoDataGraphException_AddAccountsAddresses();
}
// sort data by balance
arsort($data);
$data = array(get_currency_abbr('btc') => $data);
return array('key' => $key_column, 'columns' => $columns, 'data' => $data, 'last_updated' => $last_updated);
}
public function getData($days)
{
$key_column = array('type' => 'string', 'title' => ct("Currency"));
$columns = array();
// get data
// TODO could probably cache this
$q = db()->prepare("SELECT SUM(balance) AS balance, exchange, MAX(created_at) AS created_at FROM balances WHERE user_id=? AND is_recent=1 AND currency=? GROUP BY exchange");
$q->execute(array($this->getUser(), $this->currency));
$balances = $q->fetchAll();
// need to also get address balances
$summary_balances = get_all_summary_instances($this->getUser());
// get additional balances
$data = array();
if (isset($summary_balances['blockchain' . $this->currency]) && $summary_balances['blockchain' . $this->currency]['balance'] != 0) {
$balances[] = array("balance" => $summary_balances['blockchain' . $this->currency]['balance'], "exchange" => "blockchain", "created_at" => $summary_balances['blockchain' . $this->currency]['created_at']);
}
if (isset($summary_balances['offsets' . $this->currency]) && $summary_balances['offsets' . $this->currency]['balance'] != 0) {
$balances[] = array("balance" => $summary_balances['offsets' . $this->currency]['balance'], "exchange" => "offsets", "created_at" => $summary_balances['offsets' . $this->currency]['created_at']);
}
// sort by balance
usort($balances, array($this, 'sort_by_balance_desc'));
$last_updated = find_latest_created_at($balances);
// apply demo_scale and calculate total summary
$data = array();
$total = 0;
foreach ($balances as $b) {
if ($b['balance'] != 0) {
$columns[] = array('type' => 'number', 'title' => get_exchange_name($b['exchange']));
$data[] = demo_scale($b['balance']);
$total += demo_scale($b['balance']);
}
}
// return a more helpful message if there is no data
if (!$data) {
throw new NoDataGraphException_AddAccountsAddresses();
}
// sort data by balance
$data = array(get_currency_abbr($this->currency) => $data);
return array('key' => $key_column, 'columns' => $columns, 'data' => $data, 'last_updated' => $last_updated);
}
public function getData($days)
{
$key_column = array('type' => 'string', 'title' => ct("Currency"));
$columns = array();
$columns[] = array('type' => 'string', 'title' => ct("Currency"), 'heading' => true);
$columns[] = array('type' => 'string', 'title' => ct("Total"));
// a table of each currency
// get all balances
$balances = get_all_summary_instances($this->getUser());
$summaries = get_all_summary_currencies($this->getUser());
$currencies = get_all_currencies();
$last_updated = find_latest_created_at($balances, "total");
// create data
$data = array();
foreach ($currencies as $c) {
if (isset($summaries[$c])) {
$balance = isset($balances['total' . $c]) ? $balances['total' . $c]['balance'] : 0;
$data[] = array("<span title=\"" . htmlspecialchars(get_currency_name($c)) . "\">" . get_currency_abbr($c) . "</span>", currency_format($c, demo_scale($balance), 4));
}
}
return array('key' => $key_column, 'columns' => $columns, 'data' => $data, 'last_updated' => $last_updated, 'add_more_currencies' => true, 'no_header' => true);
}
