104 lines
3.9 KiB
PHP
104 lines
3.9 KiB
PHP
<?php
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use App\Livewire\Billing;
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use App\Models\Customer;
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use App\Models\Instance;
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use App\Models\InstanceMetric;
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use App\Models\Order;
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use App\Models\Seat;
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use App\Models\User;
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use App\Services\Billing\DowngradeCheck;
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use Livewire\Livewire;
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/**
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* Moving down to a smaller plan.
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*
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* A downgrade is not the mirror of an upgrade: going up always fits, going
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* down can ask the instance to hold more than the target allows. What matters
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* as much as refusing it is SAYING WHY, in the customer's own numbers — a
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* disabled button that does not name the obstacle is the thing people ring
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* about.
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*/
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function downgradeCustomer(int $seats = 1, ?int $usedBytes = null): array
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{
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$user = User::factory()->create();
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$customer = Customer::factory()->create(['user_id' => $user->id]);
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$instance = Instance::factory()->create(['customer_id' => $customer->id, 'status' => 'active', 'quota_gb' => 500]);
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foreach (range(1, $seats) as $n) {
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Seat::create([
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'customer_id' => $customer->id,
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'email' => "seat{$n}@example.test",
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'role' => $n === 1 ? 'owner' : 'member',
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'status' => 'active',
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]);
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}
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if ($usedBytes !== null) {
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InstanceMetric::create([
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'instance_id' => $instance->id,
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'day' => now()->toDateString(),
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'disk_used_bytes' => $usedBytes,
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'disk_total_bytes' => 500 * 1024 ** 3,
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]);
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}
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// One test below calls Billing::purchase(), which since Task 5 refuses
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// outright without a Stripe key for the active mode. Without this, that
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// test would see the same "no order" result for the wrong reason — the
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// Stripe guard, not the seat block it names — and prove nothing.
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withStripeSecret();
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return [$user, $customer, $instance];
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}
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it('allows a downgrade when everything fits', function () {
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[, $customer, $instance] = downgradeCustomer(seats: 3, usedBytes: 40 * 1024 ** 3);
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$check = DowngradeCheck::for($customer, $instance, ['seats' => 10, 'quota_gb' => 200]);
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expect($check->allowed)->toBeTrue()->and($check->blockers)->toBe([]);
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});
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it('names the seats that are in the way, with both numbers', function () {
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[, $customer, $instance] = downgradeCustomer(seats: 31);
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$check = DowngradeCheck::for($customer, $instance, ['seats' => 10, 'quota_gb' => 200]);
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expect($check->allowed)->toBeFalse()
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->and($check->blockers[0]['key'])->toBe('seats')
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->and($check->blockers[0]['current'])->toBe('31')
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->and($check->blockers[0]['limit'])->toBe('10');
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});
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it('measures storage rather than trusting the allowance', function () {
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// 480 GB really in use. The contract says 500 GB, but what decides whether
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// 200 GB is enough is what is actually stored.
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[, $customer, $instance] = downgradeCustomer(seats: 2, usedBytes: 480 * 1024 ** 3);
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$check = DowngradeCheck::for($customer, $instance, ['seats' => 10, 'quota_gb' => 200]);
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expect($check->allowed)->toBeFalse()
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->and(collect($check->blockers)->pluck('key')->all())->toBe(['storage']);
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});
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it('does not refuse a customer who has simply never been measured', function () {
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// A new instance has no reading. Refusing on the contractual allowance
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// would block every downgrade for anyone who once bought a large plan.
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[, $customer, $instance] = downgradeCustomer(seats: 2, usedBytes: null);
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expect(DowngradeCheck::for($customer, $instance, ['seats' => 10, 'quota_gb' => 200])->allowed)->toBeTrue();
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});
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it('refuses a blocked downgrade even when the button is never rendered', function () {
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// The action is callable from a stale tab or a second window. A limit
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// enforced only in markup is not enforced.
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[$user, $customer, $instance] = downgradeCustomer(seats: 31);
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Livewire::actingAs($user)
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->test(Billing::class)
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->call('purchase', 'downgrade', 'start');
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expect(Order::query()->where('customer_id', $customer->id)->where('type', 'downgrade')->count())->toBe(0);
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});
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