.gitignore

@@ -104,7 +104,5 @@ Temporary Items
 /api/codeception.yml
 /api/vendor/
 /api/tests/_*
-/api/tests/acceptance
-/api/tests/functional
 /api/tests/*.suite.yml
 /api/html/swagger/

api/composer.json

@@ -18,7 +18,8 @@
     "require": {
         "slim/slim": "^4.7.1",
         "vlucas/phpdotenv": "^4.2",
-        "slim/psr7": "^1.3"
+        "slim/psr7": "^1.3",
+        "jetbrains/phpstorm-attributes": "^1.0.0"
     },
     "require-dev": {
         "phpstan/phpstan": "^0.12.80",

api/phpstan.neon

@@ -0,0 +1,5 @@
+parameters:
+	level: 6
+	paths:
+		- src
+		- tests/unit

api/src/Models/ModelInterface.php

@@ -0,0 +1,11 @@
+<?php
+
+
+namespace TorstenHettstedt\TimekeepingApi\Models;
+
+
+use JsonSerializable;
+
+interface ModelInterface extends JsonSerializable
+{
+}

api/src/Models/WorkingHours.php

@@ -0,0 +1,65 @@
+<?php
+
+
+namespace TorstenHettstedt\TimekeepingApi\Models;
+
+
+use DateInterval;
+use DateTime;
+use JetBrains\PhpStorm\ArrayShape;
+
+class WorkingHours implements ModelInterface
+{
+    protected ?DateTime $workingDay = null;
+    protected ?DateInterval $workingTime = null;
+
+    /**
+     * @return DateTime|null
+     */
+    public function getWorkingDay(): ?DateTime
+    {
+        return $this->workingDay;
+    }
+
+    /**
+     * @param DateTime $workingDay
+     *
+     * @return WorkingHours
+     */
+    public function setWorkingDay(DateTime $workingDay): WorkingHours
+    {
+        $this->workingDay = $workingDay;
+        return $this;
+    }
+
+    /**
+     * @return DateInterval|null
+     */
+    public function getWorkingTime(): ?DateInterval
+    {
+        return $this->workingTime;
+    }
+
+    /**
+     * @param DateInterval $workingTime
+     *
+     * @return WorkingHours
+     */
+    public function setWorkingTime(DateInterval $workingTime): WorkingHours
+    {
+        $this->workingTime = $workingTime;
+        return $this;
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    #[ArrayShape(['workingDay' => "string", 'workingTime' => "string"])]
+    public function jsonSerialize(): array
+    {
+        return [
+            'workingDay' => $this->getWorkingDay()->format('Y-m-d'),
+            'workingTime' => $this->getWorkingTime()->format('%H:%I:%S')
+        ];
+    }
+}

api/tests/unit/Models/WorkingHoursTest.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace TorstenHettstedt\TimekeepingApi\Tests\Unit\Models;
+
+use Codeception\Test\Unit;
+use DateInterval;
+use DateTime;
+use Error;
+use TorstenHettstedt\TimekeepingApi\Models\WorkingHours;
+
+class WorkingHoursTest extends Unit
+{
+
+    public function testWorkingHoursWithoutContent(): void
+    {
+        $obj = new WorkingHours();
+        $this->assertNull($obj->getWorkingDay());
+        $this->assertNull($obj->getWorkingTime());
+
+        $this->expectException(Error::class);
+        $obj->jsonSerialize();
+    }
+
+    /**
+     * @return array[]
+     */
+    public function workingHoursProvider(): array
+    {
+        return [
+            [
+                new DateTime('2020-11-30'),
+                new DateInterval("PT8H"),
+                [
+                    'workingDay'  => '2020-11-30',
+                    'workingTime' => '08:00:00',
+                ],
+            ],
+            [
+                new DateTime('2021-05-03'),
+                new DateInterval("PT7H45M"),
+                [
+                    'workingDay'  => '2021-05-03',
+                    'workingTime' => '07:45:00',
+                ],
+            ],
+        ];
+    }
+
+    /**
+     * @param DateTime              $date
+     * @param DateInterval          $interval
+     * @param array<string, string> $should_json
+     *
+     * @dataProvider workingHoursProvider
+     */
+    public function testWorkingHoursWithContent(DateTime $date, DateInterval $interval, array $should_json): void
+    {
+
+        $obj = new WorkingHours();
+        $obj
+            ->setWorkingDay($date)
+            ->setWorkingTime($interval);
+        $this->assertNotNull($obj->getWorkingDay());
+        $this->assertNotNull($obj->getWorkingTime());
+
+        $json = $obj->jsonSerialize();
+        $this->assertIsArray($json);
+        $this->assertEquals($should_json, $json);
+    }
+}