Ex2, Ex3, Ex8

app/Http/Controllers/Exercise02Controller.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Support\Carbon;
+
+class Exercise02Controller extends Controller
+{
+    const NORMAL_FREE = 110;
+    const FREE = 0;
+    const TIME_PERIOD = ['08:45', '17:59'];
+    //example default holiday
+    const HOLIDAYS = ['01-01', '10-03', '02-09'];
+
+    /**
+     * charge ATM
+     *
+     * @param bool $isVip
+     * @param string $date
+     * @param string $time
+     * @return int
+     */
+    public function chargeATM($isVip = true, $date = '2021-05-01', $time = '14:25'): int
+    {
+        //rule1
+        if ($isVip) {
+            return self::FREE;
+        }
+        //rule2
+        if($this->isWeekend($date) || $this->isHoliday($date)) {
+            return self::NORMAL_FREE;
+        }
+        //rule3
+        if ($this->isTimeDiscount($date, $time)) {
+            return self::FREE;
+        }
+        //rule4
+        return self::NORMAL_FREE;
+    }
+
+    /**
+     * Check is weekend
+     *
+     * @param $date
+     * @return bool
+     */
+    public function isWeekend($date): bool
+    {
+        if (Carbon::createFromFormat('Y-m-d', $date)->isWeekend()) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Check is holiday
+     *
+     * @param $date
+     * @return bool
+     */
+    public function isHoliday($date): bool
+    {
+        $date = Carbon::createFromFormat('Y-m-d', $date);
+        if (in_array($date->format('d-m'), self::HOLIDAYS)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Check is time discount
+     *
+     * @param $date
+     * @param $time
+     * @return bool
+     */
+    public function isTimeDiscount($date, $time): bool
+    {
+        $date = Carbon::createFromFormat('Y-m-d H:i', $date . " " . $time);
+        $time = $date->format('H:i');
+        list($minTime, $maxTime) = self::TIME_PERIOD;
+
+        if ($time >= $minTime && $time <= $maxTime) {
+            return true;
+        }
+
+        return false;
+    }
+}

app/Http/Controllers/Exercise03Controller.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Http\Controllers;
+
+class Exercise03Controller extends Controller
+{
+    const CRAVAT_TYPE = 1;
+    const WHITE_SHIRT_TYPE = 2;
+    const DISCOUNT_TYPE_ONE = 12;
+    const DISCOUNT_TYPE_TWO = 7;
+    const DISCOUNT_TYPE_THREE = 5;
+    const NO_DISCOUNT = 0;
+    const TOTAL_PRODUCT_TO_DISCOUNT = 7;
+
+    /**
+     * Calculate discount by products
+     *
+     * @param $products
+     * @return int
+     */
+    public function calculateDiscount($products)
+    {
+        $products = collect($products);
+        $totalProduct = $products->count();
+
+        if ($totalProduct) {
+            $hasCravat = $products->filter(function ($product) {
+                return $product['type'] == self::CRAVAT_TYPE;
+            })->isNotEmpty();
+
+            $hasWhiteShirt = $products->filter(function ($product) {
+                return $product['type'] === self::WHITE_SHIRT_TYPE;
+            })->isNotEmpty();
+
+            if ($totalProduct >= self::TOTAL_PRODUCT_TO_DISCOUNT) {
+                if ($hasCravat && $hasWhiteShirt) return self::DISCOUNT_TYPE_ONE;
+                if (!$hasCravat || !$hasWhiteShirt) return self::DISCOUNT_TYPE_TWO;
+            } else {
+                if ($hasCravat && $hasWhiteShirt) return self::DISCOUNT_TYPE_THREE;
+                if (!$hasCravat && !$hasWhiteShirt) return self::NO_DISCOUNT;
+            }
+        }
+
+        return self::NO_DISCOUNT;
+    }
+}

app/Http/Controllers/Exercise08Controller.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Support\Carbon;
+
+class Exercise08Controller extends Controller
+{
+    const FEMALE = 'female';
+
+    /**
+     * Calculate price
+     *
+     * @param $age
+     * @param string $date
+     * @param $gender
+     * @return int|string
+     */
+    public function calculatePrice($age, $date = '2021-05-01', $gender)
+    {
+        $date = Carbon::createFromFormat('Y-m-d', $date);
+        $dayOfWeek = $date->dayOfWeek;
+
+        if ($age < 0 || $age > 120) {
+            return "Error";
+        }
+
+        if ($age < 13) {
+            return 900;
+        }
+
+        if ($dayOfWeek === Carbon::TUESDAY) {
+            return 1200;
+        }
+
+        if ($dayOfWeek === Carbon::FRIDAY && $gender === self::FEMALE) {
+            return 1400;
+        }
+
+        if ($age > 65) {
+            return 1600;
+        }
+
+        return 1800;
+    }
+}

phpunit.xml

@@ -40,6 +40,9 @@
         <testsuite name="Exercise10">
             <directory suffix="Test.php">./Modules/Exercise10/Tests</directory>
         </testsuite>
+         <testsuite name="CommonUnit">
+            <directory suffix="Test.php">./tests/Unit</directory>
+        </testsuite>
     </testsuites>
     <coverage processUncoveredFiles="true">
         <include>

tests/Unit/Controllers/Exercise02ControllerTest.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Tests\Unit\Controllers;
+
+use Tests\TestCase;
+use \App\Http\Controllers;
+
+class Exercise02ControllerTest extends TestCase
+{
+    protected $exercise02Controller;
+
+    /**
+     * @throws \Exception
+     */
+    public function setUp():void
+    {
+        parent::setUp();
+
+        $this->exercise02Controller = new Controllers\Exercise02Controller();
+    }
+
+    // functions test with rule in decision table
+
+    public function test_charge_ATM_with_rule_1()
+    {
+        $result = $this->exercise02Controller->chargeATM(true);
+        $this->assertEquals(0, $result);
+    }
+
+    public function test_charge_ATM_with_rule_2()
+    {
+        $result = $this->exercise02Controller->chargeATM(false, '2021-05-01');
+        $this->assertEquals(110, $result);
+    }
+
+    public function test_charge_ATM_with_rule_3()
+    {
+        $result = $this->exercise02Controller->chargeATM(false, '2021-04-28', '14:25');
+        $this->assertEquals(0, $result);
+    }
+
+    public function test_charge_ATM_with_rule_4()
+    {
+        $result = $this->exercise02Controller->chargeATM(false, '2021-04-28', '07:00');
+        $this->assertEquals(110, $result);
+    }
+
+    public function test_is_holiday()
+    {
+        $result = $this->exercise02Controller->isHoliday('2021-05-01');
+        $this->assertEquals(true, $result);
+    }
+}