/**
* This method calculates a fee which is set by Crowdfunding Finance.
*
* @param $fundingType
* @param $fees
* @param $txnAmount
*
* @return float
*/
protected function calculateFee($fundingType, $fees, $txnAmount)
{
$result = 0;
switch ($fundingType) {
case "FIXED":
$feePercent = ArrayHelper::getValue($fees, "fixed_campaign_percent", 0, "float");
$feeAmount = ArrayHelper::getValue($fees, "fixed_campaign_amount", 0, "float");
break;
case "FLEXIBLE":
$feePercent = ArrayHelper::getValue($fees, "flexible_campaign_percent", 0, "float");
$feeAmount = ArrayHelper::getValue($fees, "flexible_campaign_amount", 0, "float");
break;
}
// Calculate fee based on percent.
if (!empty($feePercent)) {
// Calculate amount.
$math = new Prism\Math();
$math->calculateValueFromPercent($feePercent, $txnAmount);
// Add the amount to the result.
$feePercentAmount = (string) $math;
if ($txnAmount > $feePercentAmount) {
$result += (double) $feePercentAmount;
}
}
// Calculate fees based on amount.
if (!empty($feeAmount) and $txnAmount > $feeAmount) {
$result += $feeAmount;
}
// Check for invalid value that is less than zero.
if ($result < 0) {
$result = 0;
}
return (double) $result;
}
/**
* Remove amount from current funded one.
* Calculate funded percent.
*
* <code>
* $projectId = 1;
* $finds = 50;
*
* $project = new Crowdfunding\Project(\JFactory::getDbo());
* $project->load($projectId);
* $project->removeFunds($finds);
* $project->store();
* </code>
*
* @param float $amount
*/
public function removeFunds($amount)
{
$this->funded = $this->funded - $amount;
// Calculate new percentage
$math = new Prism\Math();
$math->calculatePercentage($this->funded, $this->goal, 0);
$this->setFundedPercent((string) $math);
}
