update api and add more features
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<?php
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namespace Tests\Unit\Services\Fees;
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use App\Services\Fees\FeeConfigService;
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use App\Services\Fees\FeeGradeService;
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use App\Services\Fees\FeeStudentFeeService;
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use App\Services\Fees\TuitionCalculationService;
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use Illuminate\Foundation\Testing\RefreshDatabase;
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use Illuminate\Support\Facades\DB;
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use Tests\TestCase;
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class TuitionCalculationServiceTest extends TestCase
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{
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use RefreshDatabase;
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public function test_calculate_returns_family_total_and_per_student_breakdown(): void
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{
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$this->seedConfig();
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$this->seedClassSection(101, '2');
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$this->seedClassSection(102, '5');
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$this->seedClassSection(103, '11');
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$service = $this->makeService();
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$result = $service->calculate([
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[
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'student_id' => 1,
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'firstname' => 'Anna',
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'lastname' => 'Doe',
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'class_section_id' => 101,
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'enrollment_status' => 'enrolled',
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'admission_status' => 'accepted',
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],
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[
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'student_id' => 2,
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'firstname' => 'Ben',
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'lastname' => 'Doe',
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'class_section_id' => 102,
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'enrollment_status' => 'enrolled',
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'admission_status' => 'accepted',
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],
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[
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'student_id' => 3,
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'firstname' => 'Cara',
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'lastname' => 'Doe',
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'class_section_id' => 103,
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'enrollment_status' => 'enrolled',
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'admission_status' => 'accepted',
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],
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]);
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$this->assertSame('2025-2026', $result['school_year']);
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$this->assertSame(3, $result['billable_count']);
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$this->assertSame(0, $result['non_billable_count']);
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$this->assertSame(730.0, $result['family_total']);
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$byStudent = [];
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foreach ($result['students'] as $row) {
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$byStudent[$row['student_id']] = $row;
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}
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$this->assertSame('first_regular', $byStudent[1]['fee_category']);
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$this->assertSame(350.0, $byStudent[1]['tuition_fee']);
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$this->assertSame('Anna Doe', $byStudent[1]['student_name']);
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$this->assertSame('additional_regular', $byStudent[2]['fee_category']);
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$this->assertSame(200.0, $byStudent[2]['tuition_fee']);
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$this->assertSame('youth', $byStudent[3]['fee_category']);
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$this->assertSame(180.0, $byStudent[3]['tuition_fee']);
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}
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public function test_calculate_excludes_non_billable_students_from_family_total(): void
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{
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$this->seedConfig();
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$this->seedClassSection(201, '3');
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$this->seedClassSection(202, '4');
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$service = $this->makeService();
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$result = $service->calculate([
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[
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'student_id' => 10,
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'class_section_id' => 201,
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'enrollment_status' => 'enrolled',
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'admission_status' => 'accepted',
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],
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[
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'student_id' => 11,
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'class_section_id' => 202,
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'enrollment_status' => 'withdrawn',
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'admission_status' => 'accepted',
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],
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]);
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$this->assertSame(1, $result['billable_count']);
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$this->assertSame(1, $result['non_billable_count']);
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$this->assertSame(350.0, $result['family_total']);
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$byStudent = [];
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foreach ($result['students'] as $row) {
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$byStudent[$row['student_id']] = $row;
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}
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$this->assertSame('not_billable', $byStudent[11]['fee_category']);
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$this->assertSame(0.0, $byStudent[11]['tuition_fee']);
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}
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public function test_calculate_applies_per_student_discount(): void
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{
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$this->seedConfig();
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$this->seedClassSection(301, '2');
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$service = $this->makeService();
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$result = $service->calculate([
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[
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'student_id' => 99,
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'class_section_id' => 301,
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'enrollment_status' => 'enrolled',
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'admission_status' => 'accepted',
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'discount_amount' => 100.0,
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],
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]);
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$this->assertSame(250.0, $result['family_total']);
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$this->assertSame(100.0, $result['students'][0]['discount_amount']);
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$this->assertSame(250.0, $result['students'][0]['final_tuition_amount']);
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}
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public function test_family_total_helper(): void
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{
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$this->seedConfig();
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$this->seedClassSection(401, '3');
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$service = $this->makeService();
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$this->assertSame(350.0, $service->familyTotal([
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[
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'student_id' => 1,
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'class_section_id' => 401,
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'enrollment_status' => 'enrolled',
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'admission_status' => 'accepted',
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],
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]));
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}
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private function makeService(): TuitionCalculationService
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{
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$config = new FeeConfigService();
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return new TuitionCalculationService(
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$config,
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new FeeStudentFeeService(new FeeGradeService(), $config)
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);
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}
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private function seedConfig(): void
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{
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DB::table('configuration')->insert([
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['config_key' => 'school_year', 'config_value' => '2025-2026'],
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['config_key' => 'first_student_fee', 'config_value' => '350'],
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['config_key' => 'second_student_fee', 'config_value' => '200'],
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['config_key' => 'youth_fee', 'config_value' => '180'],
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]);
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}
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private function seedClassSection(int $sectionId, string $gradeName): void
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{
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DB::table('classSection')->insert([
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'class_id' => $sectionId,
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'class_section_id' => $sectionId,
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'class_section_name' => $gradeName,
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'semester' => 'Fall',
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'school_year' => '2025-2026',
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]);
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}
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}
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