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fetch account balance across all users

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* Used later for admin panel to show total amount of credits locked for
  users
* Used later for liquid asset calculations
This commit is contained in:
Sebastian Grewe 2013-05-27 15:51:20 +02:00
parent 658039fecf
commit 75bee6ed60
1 changed files with 37 additions and 0 deletions
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37
public/include/classes/transaction.class.php
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@ -107,6 +107,43 @@ class Transaction {
return true;
}
/**
* Get total balance for all users locked in wallet
* @param none
* @return data double Amount locked for users
**/
public function getLockedBalance() {
$this->debug->append("STA " . __METHOD__, 4);
$stmt = $this->mysqli->prepare("
SELECT ROUND(IFNULL(t1.credit, 0) - IFNULL(t2.debit, 0) - IFNULL(t3.other, 0), 8) AS balance
FROM
(
SELECT sum(t.amount) AS credit
FROM $this->table AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE t.type = 'Credit'
AND b.confirmations >= ?
) AS t1,
(
SELECT sum(t.amount) AS debit
FROM $this->table AS t
WHERE t.type IN ('Debit_MP', 'Debit_AP')
) AS t2,
(
SELECT sum(t.amount) AS other
FROM transactions AS t
LEFT JOIN " . $this->block->getTableName() . " AS b ON t.block_id = b.id
WHERE t.type IN ('Donation','Fee')
AND b.confirmations >= ?
) AS t3");
if ($this->checkStmt($stmt) && $stmt->bind_param('ii', $this->config['confirmations'], $this->config['confirmations']) && $stmt->execute() && $stmt->bind_result($dBalance) && $stmt->fetch())
return $dBalance;
// Catchall
$this->setErrorMessage('Unable to find locked credits for all users');
$this->debug->append('MySQL query failed : ' . $this->mysqli->error);
return false;
}
public function getBalance($account_id) {
$this->debug->append("STA " . __METHOD__, 4);
$stmt = $this->mysqli->prepare("