Added today to dashboard report

Author: NetStorm84

app/code/Magento/Backend/Model/Dashboard/Chart/Date.php

@@ -63,6 +63,8 @@ public function getByPeriod(string $period): array
 
         if ($period === Period::PERIOD_24_HOURS) {
             $dateEnd->modify('-1 hour');
+        } elseif ($period === Period::PERIOD_TODAY) {
+            $dateEnd->modify('now');
         } else {
             $dateEnd->setTime(23, 59, 59);
             $dateStart->setTime(0, 0, 0);

app/code/Magento/Backend/Model/Dashboard/Period.php

@@ -12,6 +12,7 @@
  */
 class Period
 {
+    public const PERIOD_TODAY = 'today';
     public const PERIOD_24_HOURS = '24h';
     public const PERIOD_7_DAYS = '7d';
     public const PERIOD_1_MONTH = '1m';
@@ -30,6 +31,7 @@ class Period
     public function getDatePeriods(): array
     {
         return [
+            static::PERIOD_TODAY => __('Today'),
             static::PERIOD_24_HOURS => __('Last 24 Hours'),
             static::PERIOD_7_DAYS => __('Last 7 Days'),
             static::PERIOD_1_MONTH => __('Current Month'),
@@ -46,6 +48,7 @@ public function getDatePeriods(): array
     public function getPeriodChartUnits(): array
     {
         return [
+            static::PERIOD_TODAY => self::PERIOD_UNIT_HOUR,
             static::PERIOD_24_HOURS => self::PERIOD_UNIT_HOUR,
             static::PERIOD_7_DAYS => self::PERIOD_UNIT_DAY,
             static::PERIOD_1_MONTH => self::PERIOD_UNIT_DAY,

app/code/Magento/Reports/Model/ResourceModel/Order/Collection.php

@@ -318,6 +318,7 @@ protected function _prepareSummaryAggregated($range, $customStart, $customEnd)
     protected function _getRangeExpression($range)
     {
         switch ($range) {
+            case 'today':
             case '24h':
                 $expression = $this->getConnection()->getConcatSql(
                     [
@@ -420,6 +421,9 @@ public function getDateRange($range, $customStart, $customEnd, $returnObjects =
         $dateStart->setTime(0, 0, 0);
 
         switch ($range) {
+            case 'today':
+                $dateEnd->modify('now');
+                break;
             case '24h':
                 $dateEnd = new \DateTime();
                 $dateEnd->modify('+1 hour');