Take wellness days into account for working days count

app/classes/ReleaseInsights/Duration.php

@@ -11,8 +11,14 @@
  */
 class Duration
 {
-    public function __construct(public readonly Datetime $start, public readonly Datetime $end)
+   /** @var array<string> $wellness_days */
+    private array $wellness_days;
+
+    public function __construct(
+        public readonly Datetime $start,
+        public readonly Datetime $end)
     {
+        $this->wellness_days = include DATA . 'wellness_days.php';
     }
 
     /**
@@ -44,11 +50,9 @@ public function weeks(): float
      */
     public function isWorkDay(DateTime $day): bool
     {
-        /**
-         * We only substract week-ends, we may add more logic to
-         * also remove wellness days in the future.
-         */
-        return ! in_array($day->format('l'), ['Saturday','Sunday']);
+        // We substract week-ends and wellness days.
+        return ! in_array($day->format('l'), ['Saturday','Sunday'])
+            && ! in_array($day->format('Y-m-d'), $this->wellness_days);
     }
 
     /**

app/data/wellness_days.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+    Wellness days.
+
+    Those days are non-working days for all staff
+*/
+
+return [
+    '2024-02-16',
+    '2024-04-12',
+    '2024-07-05',
+    '2024-10-04',
+];

tests/Unit/ReleaseInsights/DurationTest.php

@@ -26,6 +26,8 @@
         ->toBeTrue();
     expect($obj->isWorkDay(new DateTime('2023-11-11')))
         ->toBeFalse();
+    expect($obj->isWorkDay(new DateTime('2024-02-16')))
+        ->toBeFalse();
 });
 
 test('Duration->workDays()', function () {
@@ -38,4 +40,4 @@
     $obj = new Duration(new DateTime('2023-11-01'), new DateTime('2023-12-01'));
     expect($obj->report())
         ->toHaveCount(3);
-});
+});

tests/data/wellness_days.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+    Wellness days.
+
+    Those days are non-working days for all staff
+*/
+
+return [
+    '2024-02-16',
+    '2024-04-12',
+    '2024-07-05',
+    '2024-10-04',
+];