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<?php
namespace FluentMail\App\Services;
class Reporting
{
protected static $daily = 'P1D';
protected static $weekly = 'P1W';
protected static $monthly = 'P1M';
public function getSendingStats($from, $to)
{
$period = $this->makeDatePeriod(
$from = $this->makeFromDate($from),
$to = $this->makeToDate($to),
$frequency = $this->getFrequency($from, $to)
);
list($groupBy, $orderBy) = $this->getGroupAndOrder($frequency);
global $wpdb;
$tableName = $wpdb->prefix.FLUENT_MAIL_DB_PREFIX.'email_logs';
$items = $wpdb->get_results($wpdb->prepare(
'SELECT COUNT(id) AS count, DATE(created_at) AS date FROM `%1$s` WHERE `created_at` BETWEEN \'%2$s\' AND \'%3$s\' GROUP BY `%4$s` ORDER BY `%5$s` ASC',
$tableName,
$from->format('Y-m-d'),
$to->format('Y-m-d'),
$groupBy,
$orderBy
));
return $this->getResult($period, $items);
}
protected function makeDatePeriod($from, $to, $interval = null)
{
$interval = $interval ?: static::$daily;
return new \DatePeriod($from, new \DateInterval($interval), $to);
}
protected function makeFromDate($from)
{
$from = $from ?: '-7 days';
return new \DateTime($from);
}
protected function makeToDate($to)
{
$to = $to ? gmdate('Y-m-d', strtotime( $to . " +1 days")) : '+1 days';
return new \DateTime($to);
}
protected function getFrequency($from, $to)
{
$numDays = $to->diff($from)->format("%a");
if ($numDays > 62 && $numDays <= 181) {
return static::$weekly;
} else if ($numDays > 181) {
return static::$monthly;
}
return static::$daily;
}
protected function getGroupAndOrder($frequency)
{
$orderBy = $groupBy = 'date';
if ($frequency == static::$weekly) {
$orderBy = $groupBy = 'week';
} else if ($frequency == static::$monthly) {
$orderBy = $groupBy = 'month';
}
return [$groupBy, $orderBy];
}
protected function prepareSelect($frequency, $dateField = 'created_at')
{
$select = [
fluentMailDb()->raw('COUNT(id) AS count'),
fluentMailDb()->raw('DATE('.$dateField.') AS date')
];
if ($frequency == static::$weekly) {
$select[] = fluentMailDb()->raw('WEEK(created_at) week');
} else if ($frequency == static::$monthly) {
$select[] = fluentMailDb()->raw('MONTH(created_at) month');
}
return $select;
}
protected function getResult($period, $items)
{
$range = $this->getDateRangeArray($period);
$formatter = 'basicFormatter';
if ($this->isMonthly($period)) {
$formatter = 'monYearFormatter';
}
foreach ($items as $item) {
$date = $this->{$formatter}($item->date);
$range[$date] = (int) $item->count;
}
return $range;
}
protected function getDateRangeArray($period)
{
$range = [];
$formatter = 'basicFormatter';
if ($this->isMonthly($period)) {
$formatter = 'monYearFormatter';
}
foreach ($period as $date) {
$date = $this->{$formatter}($date);
$range[$date] = 0;
}
return $range;
}
protected function basicFormatter($date)
{
if (is_string($date)) {
$date = new \DateTime($date);
}
return $date->format('Y-m-d');
}
protected function monYearFormatter($date)
{
if (is_string($date)) {
$date = new \DateTime($date);
}
return $date->format('M Y');
}
protected function isMonthly($period)
{
return !!$period->getDateInterval()->m;
}
}
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