public function getExpirationDate() {
$startDate = new Date(isset($this->m_data['StartDate']) ? $this->m_data['StartDate'] : 0);
$timeSpan = new Date_Span();
$timeSpan->setFromDays($this->m_data['Days']);
$startDate->addSpan($timeSpan);
return $startDate->getDate();
}
/**
* A private method that returns the start and end dates
* that bound the span, based based on a pre-defined 'friendly'
* value.
*
* See the {@link OA_Admin_DaySpan::setSpanPresetValue()} method
* for the pre-defined values.
*
* @param string $presetValue The preset value string.
* @return array An array of two elements, "start" and "end",
* representing the start and end dates of
* the span, respectively.
*/
function _getSpanDates($presetValue)
{
switch ($presetValue) {
case 'today':
$oDateStart = new Date($this->oNowDate->format('%Y-%m-%d'));
$oDateEnd = new Date($this->oNowDate->format('%Y-%m-%d'));
break;
case 'yesterday':
$oDateStart = new Date(Date_Calc::prevDay($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oDateEnd = new Date(Date_Calc::prevDay($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
break;
case 'this_week':
$oDateStart = new Date(Date_Calc::beginOfWeek($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oSixDaySpan = new Date_Span();
$oSixDaySpan->setFromDays(6);
$oSevenDaySpan = new Date_Span();
$oSevenDaySpan->setFromDays(7);
// Now have week start and end when week starts on Sunday
// Does the user want to start on a different day?
$beginOfWeek = OA_Admin_DaySpan::getBeginOfWeek();
if ($beginOfWeek > 0) {
$oRequiredDaysSpan = new Date_Span();
$oRequiredDaysSpan->setFromDays($beginOfWeek);
$oDateStart->addSpan($oRequiredDaysSpan);
$oDateToday = new Date($this->oNowDate->format('%Y-%m-%d'));
if ($oDateToday->getDayOfWeek() < $beginOfWeek) {
$oDateStart->subtractSpan($oSevenDaySpan);
}
}
$oDateEnd = new Date($this->oNowDate->format('%Y-%m-%d'));
break;
case 'last_week':
$oDateStart = new Date(Date_Calc::beginOfPrevWeek($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oSixDaySpan = new Date_Span();
$oSixDaySpan->setFromDays(6);
$oSevenDaySpan = new Date_Span();
$oSevenDaySpan->setFromDays(7);
// Now have week start and end when week starts on Sunday
// Does the user want to start on a different day?
$beginOfWeek = OA_Admin_DaySpan::getBeginOfWeek();
if ($beginOfWeek > 0) {
$oRequiredDaysSpan = new Date_Span();
$oRequiredDaysSpan->setFromDays($beginOfWeek);
$oDateStart->addSpan($oRequiredDaysSpan);
$oDateToday = new Date($this->oNowDate->format('%Y-%m-%d'));
if ($oDateToday->getDayOfWeek() < $beginOfWeek) {
$oDateStart->subtractSpan($oSevenDaySpan);
}
}
$oDateEnd = new Date($this->oNowDate->format('%Y-%m-%d'));
$oDateEnd->copy($oDateStart);
$oDateEnd->addSpan($oSixDaySpan);
break;
case 'last_7_days':
$oDateStart = new Date($this->oNowDate->format('%Y-%m-%d'));
$oDateEnd = new Date($this->oNowDate->format('%Y-%m-%d'));
$oOneDaySpan = new Date_Span();
$oOneDaySpan->setFromDays(1);
$oSevenDaySpan = new Date_Span();
$oSevenDaySpan->setFromDays(7);
$oDateStart->subtractSpan($oSevenDaySpan);
$oDateEnd->subtractSpan($oOneDaySpan);
break;
case 'this_month':
$oDateStart = new Date(Date_Calc::beginOfMonth($this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oDateEnd = new Date($this->oNowDate->format('%Y-%m-%d'));
break;
case 'this_month_full':
$oDateStart = new Date(Date_Calc::beginOfMonth($this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oDateEnd = new Date(Date_Calc::beginOfNextMonth($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oOneDaySpan = new Date_Span();
$oOneDaySpan->setFromDays(1);
$oDateEnd->subtractSpan($oOneDaySpan);
break;
case 'this_month_remainder':
$oDateStart = new Date($this->oNowDate->format('%Y-%m-%d'));
$oDateEnd = new Date(Date_Calc::beginOfNextMonth($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oOneDaySpan = new Date_Span();
$oOneDaySpan->setFromDays(1);
$oDateEnd->subtractSpan($oOneDaySpan);
break;
case 'next_month':
$oDateStart = new Date(Date_Calc::beginOfNextMonth($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oDateEnd = new Date(Date_Calc::endOfNextMonth($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
break;
case 'last_month':
$oDateStart = new Date(Date_Calc::beginOfPrevMonth($this->oNowDate->format('%d'), $this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oDateEnd = new Date(Date_Calc::beginOfMonth($this->oNowDate->format('%m'), $this->oNowDate->format('%Y')));
$oOneDaySpan = new Date_Span();
$oOneDaySpan->setFromDays(1);
$oDateEnd->subtractSpan($oOneDaySpan);
break;
case 'all_stats':
$oDateStart = null;
$oDateEnd = null;
break;
case 'specific':
$startDate = MAX_getStoredValue('startDate', date('Y-m-d'));
$oDateStart = new Date($startDate);
$endDate = MAX_getStoredValue('endDate', date('Y-m-d'));
$oDateEnd = new Date($endDate);
break;
}
$this->_setStartDate($oDateStart);
$this->_setEndDate($oDateEnd);
$aDates = array('start' => $oDateStart, 'end' => $oDateEnd);
return $aDates;
}
/**
* A private method to caclucate the number of days left until a
* campaign expires based on the impression, click or conversion
* delivery targets & the delivery rate of the campaign to date.
*
* @param array $aDeliveryData An array of two items. "delivered":
* the number of impressions, clicks or
* conversions delivered so far; and
* "day_of_first": a string in YYYY-MM-DD
* format representing the day that the
* first impression, click or conversion
* was delivered.
* @param integer $target The total number of impressions, clicks
* or conversions required to be delivered
* by the campaign.
* @return array An array of three items. "daysLeft": the estimated
* number of days remaining until the campaign ends;
* "date": the estimated date of expiration; and "date_f"
*/
function _calculateRemainingDays($aDeliveryData, $target)
{
global $date_format;
$oNowDate = new Date();
$aExpiration = array();
// How many days since the first impression/click/conversion?
if (!empty($aDeliveryData['day_of_first'])) {
$oFirstDate = new Date($aDeliveryData['day_of_first']);
$oSpan = new Date_Span();
$oSpan->setFromDateDiff($oFirstDate, $oNowDate);
$daysSinceFirst = ceil($oSpan->toDays());
} else {
$daysSinceFirst = 1;
}
// Have *any* impressions/clicks/conversions been delivered?
if (!empty($aDeliveryData["delivered"]) && $aDeliveryData["delivered"] > 0) {
$targetRemaining = $target - $aDeliveryData["delivered"];
$deliveryRate = $aDeliveryData["delivered"] / $daysSinceFirst;
$daysLeft = (int) round($targetRemaining / $deliveryRate);
$oSpan = new Date_Span();
$oSpan->setFromDays($daysLeft);
$oEstimatedEndDate = new Date();
$oEstimatedEndDate->addSpan($oSpan);
if ($oEstimatedEndDate->before($oNowDate)) {
// Ooop! Wrapped into the past - get the biggest possible date
$oEstimatedEndDate = new Date('1960-01-01 00:00:00');
$oEstimatedEndDate->subtractSeconds(1);
}
$estimatedEndDateFormat = $oEstimatedEndDate->format($date_format);
$aExpiration = array('daysLeft' => $daysLeft, 'date_f' => $estimatedEndDateFormat, 'date' => $oEstimatedEndDate);
}
return $aExpiration;
}
