Add DateUtils::addOpenDays to calculate a date based on open days

CHANGELOG.md

@@ -1,5 +1,9 @@
 CHANGELOG for 1.x
 ===================
+## v1.3.1 - (2024-04-30)
+### Added
+- `DateUtils::addOpenDays` to calculate a date based on open days
+
 ## v1.3.0 - (2024-04-29)
 ### Added
 - `ISO8601Formatter` for common date formatting

src/Utils/DateUtils.php

@@ -517,6 +517,14 @@ public static function addDays(\DateTime $dateTime, int $daysNb): \DateTime
         return $clonedDateTime;
     }
 
+    public static function addOpenDays(\DateTime $dateTime, int $daysNb): \DateTime
+    {
+        $clonedDateTime = clone $dateTime;
+        $clonedDateTime->modify("+$daysNb Weekday");
+
+        return $clonedDateTime;
+    }
+
     public static function subDays(\DateTime $dateTime, int $daysNb): \DateTime
     {
         $clonedDateTime = clone $dateTime;

tests/Utils/DateUtilsTest.php

@@ -1278,6 +1278,27 @@ public function testAddDays(): void
         $this->assertEquals(new \DateTime('2024-10-15 08:00:00'), DateUtils::addDays(new \DateTime('2024-10-10 08:00:00'), 5));
     }
 
+    /**
+     * @dataProvider addOpenDaysProvider
+     */
+    public function testAddOpenDays(string $dateTime, int $daysNb, string $expect): void
+    {
+        $this->assertSame(
+            $expect,
+            DateUtils::addOpenDays(new \DateTime($dateTime), $daysNb)->format('Y-m-d')
+        );
+    }
+
+    public function addOpenDaysProvider(): array
+    {
+        return [
+            '10_days' => ['2024-03-13', 10, '2024-03-27'],
+            '20_days' => ['2024-03-01', 20, '2024-03-29'],
+            'one_day_with_week_end' => ['2024-03-15', 1, '2024-03-18'],
+            'calculate_on_bissextile_year' => ['2024-02-28', 6, '2024-03-07'],
+        ];
+    }
+
     public function testSubDays(): void
     {
         $this->assertEquals(new \DateTime('2024-10-05 08:00:00'), DateUtils::subDays(new \DateTime('2024-10-10 08:00:00'), 5));