94 lines
3.1 KiB
PHP
94 lines
3.1 KiB
PHP
<?php
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namespace App\Services\Subscriptions;
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use App\Features\SubscriptionExperiment;
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use App\Models\User;
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use Carbon\CarbonImmutable;
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use Laravel\Cashier\Subscription;
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use Laravel\Pennant\Feature;
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/**
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* Translates a user's experiment variant into the concrete offer they get:
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* how many trial days per plan, whether they pay immediately, and whether they
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* can still trigger the self-service refund. Single source of truth shared by
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* the checkout, the paywall and the billing settings screen.
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*/
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class ExperimentOffer
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{
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public function variantFor(User $user): string
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{
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return Feature::for($user)->value(SubscriptionExperiment::class);
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}
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/**
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* Trial days to apply at checkout for the given plan and the user's variant.
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*/
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public function trialDaysFor(User $user, string $planKey): int
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{
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return $this->trialDaysForVariant($this->variantFor($user), $planKey);
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}
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private function trialDaysForVariant(string $variant, string $planKey): int
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{
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return match ($variant) {
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SubscriptionExperiment::PAY_NOW => 0,
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SubscriptionExperiment::REDUCED_TRIAL => (int) config(
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"subscriptions.experiment.reduced_trial.{$planKey}",
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config("subscriptions.plans.{$planKey}.trial_days", 0),
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),
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default => (int) config("subscriptions.plans.{$planKey}.trial_days", 0),
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};
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}
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public function refundWindowDays(): int
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{
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return (int) config('subscriptions.experiment.pay_now_refund_window_days', 3);
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}
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/**
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* The offer descriptor handed to the frontend so it can render the trial /
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* money-back copy without re-deriving any experiment logic.
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*
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* @return array{variant: string, payNow: bool, refundWindowDays: int, trialDays: array<string, int>}
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*/
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public function offerFor(User $user): array
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{
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$variant = $this->variantFor($user);
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return [
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'variant' => $variant,
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'payNow' => $variant === SubscriptionExperiment::PAY_NOW,
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'refundWindowDays' => $this->refundWindowDays(),
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'trialDays' => [
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'monthly' => $this->trialDaysForVariant($variant, 'monthly'),
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'yearly' => $this->trialDaysForVariant($variant, 'yearly'),
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],
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];
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}
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/**
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* Whether the user can still self-refund: pay_now variant, an active
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* subscription, inside the refund window, and not already refunded.
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*/
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public function canSelfRefund(User $user): bool
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{
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if ($this->variantFor($user) !== SubscriptionExperiment::PAY_NOW) {
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return false;
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}
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$subscription = $user->subscription('default');
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if ($subscription === null || $subscription->refunded_at !== null || ! $subscription->active()) {
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return false;
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}
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return $this->refundDeadlineFor($subscription)->isFuture();
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}
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public function refundDeadlineFor(Subscription $subscription): CarbonImmutable
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{
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return CarbonImmutable::parse($subscription->created_at)->addDays($this->refundWindowDays());
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}
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}
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