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invoiceninja/app/Services/Subscription/SubscriptionService.php
2021-04-16 13:58:14 +10:00

842 lines
29 KiB
PHP

<?php
/**
* Invoice Ninja (https://invoiceninja.com).
*
* @link https://github.com/invoiceninja/invoiceninja source repository
*
* @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
*
* @license https://opensource.org/licenses/AAL
*/
namespace App\Services\Subscription;
use App\DataMapper\InvoiceItem;
use App\Factory\CreditFactory;
use App\Factory\InvoiceFactory;
use App\Factory\InvoiceToRecurringInvoiceFactory;
use App\Factory\RecurringInvoiceFactory;
use App\Jobs\Util\SubscriptionWebhookHandler;
use App\Jobs\Util\SystemLogger;
use App\Models\Client;
use App\Models\ClientContact;
use App\Models\ClientSubscription;
use App\Models\Invoice;
use App\Models\PaymentHash;
use App\Models\Product;
use App\Models\RecurringInvoice;
use App\Models\Subscription;
use App\Models\SystemLog;
use App\Repositories\CreditRepository;
use App\Repositories\InvoiceRepository;
use App\Repositories\RecurringInvoiceRepository;
use App\Repositories\SubscriptionRepository;
use App\Services\Subscription\ZeroCostProduct;
use App\Utils\Ninja;
use App\Utils\Traits\CleanLineItems;
use App\Utils\Traits\MakesHash;
use App\Utils\Traits\SubscriptionHooker;
use Carbon\Carbon;
use GuzzleHttp\RequestOptions;
class SubscriptionService
{
use MakesHash;
use CleanLineItems;
use SubscriptionHooker;
/** @var subscription */
private $subscription;
public function __construct(Subscription $subscription)
{
$this->subscription = $subscription;
}
/*
Performs the initial purchase of a
one time or recurring product
*/
public function completePurchase(PaymentHash $payment_hash)
{
if (!property_exists($payment_hash->data, 'billing_context')) {
throw new \Exception("Illegal entrypoint into method, payload must contain billing context");
}
if($payment_hash->data->billing_context->context == 'change_plan') {
return $this->handlePlanChange($payment_hash);
}
// if we have a recurring product - then generate a recurring invoice
if(strlen($this->subscription->recurring_product_ids) >=1){
$recurring_invoice = $this->convertInvoiceToRecurring($payment_hash->payment->client_id);
$recurring_invoice_repo = new RecurringInvoiceRepository();
$recurring_invoice->next_send_date = now();
$recurring_invoice = $recurring_invoice_repo->save([], $recurring_invoice);
$recurring_invoice->next_send_date = $recurring_invoice->nextSendDate();
/* Start the recurring service */
$recurring_invoice->service()
->start()
->save();
//execute any webhooks
$context = [
'context' => 'recurring_purchase',
'recurring_invoice' => $recurring_invoice->hashed_id,
'invoice' => $this->encodePrimaryKey($payment_hash->fee_invoice_id),
'client' => $recurring_invoice->client->hashed_id,
'subscription' => $this->subscription->hashed_id,
'contact' => auth('contact')->user()->hashed_id,
];
$response = $this->triggerWebhook($context);
// nlog($response);
$this->handleRedirect('/client/recurring_invoices/'.$recurring_invoice->hashed_id);
}
else
{
$invoice = Invoice::find($payment_hash->fee_invoice_id);
$context = [
'context' => 'single_purchase',
'invoice' => $this->encodePrimaryKey($payment_hash->fee_invoice_id),
'client' => $invoice->client->hashed_id,
'subscription' => $this->subscription->hashed_id,
];
//execute any webhooks
$this->triggerWebhook($context);
$this->handleRedirect('/client/invoices/'.$this->encodePrimaryKey($payment_hash->fee_invoice_id));
}
}
/* Hits the client endpoint to determine whether the user is able to access this subscription */
public function isEligible($contact)
{
$context = [
'context' => 'is_eligible',
'subscription' => $this->subscription->hashed_id,
'contact' => $contact->hashed_id,
'contact_email' => $contact->email,
'client' => $contact->client->hashed_id,
];
$response = $this->triggerWebhook($context);
return $response;
}
/* Starts the process to create a trial
- we create a recurring invoice, which is has its next_send_date as now() + trial_duration
- we then hit the client API end point to advise the trial payload
- we then return the user to either a predefined user endpoint, OR we return the user to the recurring invoice page.
*/
public function startTrial(array $data)
{
// Redirects from here work just fine. Livewire will respect it.
$client_contact = ClientContact::find($data['contact_id']);
if(!$this->subscription->trial_enabled)
return new \Exception("Trials are disabled for this product");
//create recurring invoice with start date = trial_duration + 1 day
$recurring_invoice_repo = new RecurringInvoiceRepository();
$recurring_invoice = $this->convertInvoiceToRecurring($client_contact->client_id);
$recurring_invoice->next_send_date = now()->addSeconds($this->subscription->trial_duration);
$recurring_invoice->backup = 'is_trial';
if(array_key_exists('coupon', $data) && ($data['coupon'] == $this->subscription->promo_code) && $this->subscription->promo_discount > 0)
{
$recurring_invoice->discount = $this->subscription->promo_discount;
$recurring_invoice->is_amount_discount = $this->subscription->is_amount_discount;
}
$recurring_invoice = $recurring_invoice_repo->save($data, $recurring_invoice);
/* Start the recurring service */
$recurring_invoice->service()
->start()
->save();
$context = [
'context' => 'trial',
'recurring_invoice' => $recurring_invoice->hashed_id,
'client' => $recurring_invoice->client->hashed_id,
'subscription' => $this->subscription->hashed_id,
];
//execute any webhooks
$response = $this->triggerWebhook($context);
return $this->handleRedirect('/client/recurring_invoices/'.$recurring_invoice->hashed_id);
}
/**
* Returns an upgrade price when moving between plans
*
* However we only allow people to move between plans
* if their account is in good standing.
*
* @param RecurringInvoice $recurring_invoice
* @param Subscription $target
*
* @return float
*/
public function calculateUpgradePrice(RecurringInvoice $recurring_invoice, Subscription $target) :?float
{
//calculate based on daily prices
$current_amount = $recurring_invoice->amount;
$currency_frequency = $recurring_invoice->frequency_id;
$outstanding = $recurring_invoice->invoices()
->where('is_deleted', 0)
->whereIn('status_id', [Invoice::STATUS_SENT, Invoice::STATUS_PARTIAL])
->where('balance', '>', 0);
$outstanding_amounts = $outstanding->sum('balance');
$outstanding_invoice = Invoice::where('subscription_id', $this->subscription->id)
->where('client_id', $recurring_invoice->client_id)
->where('is_deleted', 0)
->orderBy('id', 'desc')
->first();
if ($outstanding->count() == 0){
//nothing outstanding
return $target->price - $this->calculateProRataRefund($outstanding_invoice);
}
elseif ($outstanding->count() == 1){
//user has multiple amounts outstanding
return $target->price - $this->calculateProRataRefund($outstanding_invoice);
}
elseif ($outstanding->count() > 1) {
//user is changing plan mid frequency cycle
//we cannot handle this if there are more than one invoice outstanding.
return null;
}
return null;
}
/**
* We refund unused days left.
*
* @param Invoice $invoice
* @return float
*/
private function calculateProRataRefund($invoice) :float
{
$start_date = Carbon::parse($invoice->date);
$current_date = now();
$days_of_subscription_used = $start_date->diffInDays($current_date);
$days_in_frequency = $this->getDaysInFrequency();
$pro_rata_refund = round((($days_in_frequency - $days_of_subscription_used)/$days_in_frequency) * $invoice->amount ,2);
return $pro_rata_refund;
}
/**
* Returns refundable set of line items
* transformed for direct injection into
* the invoice
*
* @param Invoice $invoice
* @return array
*/
private function calculateProRataRefundItems($invoice, $is_credit = false) :array
{
/* depending on whether we are creating an invoice or a credit*/
$multiplier = $is_credit ? 1 : -1;
$start_date = Carbon::parse($invoice->date);
$current_date = now();
$days_of_subscription_used = $start_date->diffInDays($current_date);
$days_in_frequency = $this->getDaysInFrequency();
$ratio = ($days_in_frequency - $days_of_subscription_used)/$days_in_frequency;
$line_items = [];
foreach($invoice->line_items as $item)
{
if($item->product_key != ctrans('texts.refund'))
{
$item->cost = ($item->cost*$ratio*$multiplier);
$item->product_key = ctrans('texts.refund');
$item->notes = ctrans('texts.refund') . ": ". $item->notes;
$line_items[] = $item;
}
}
return $line_items;
}
/**
* We only charge for the used days
*
* @param Invoice $invoice
* @return float
*/
private function calculateProRataCharge($invoice) :float
{
$start_date = Carbon::parse($invoice->date);
$current_date = now();
$days_to_charge = $start_date->diffInDays($current_date);
$days_in_frequency = $this->getDaysInFrequency();
nlog("days to charge = {$days_to_charge} fays in frequency = {$days_in_frequency}");
$pro_rata_charge = round(($days_to_charge/$days_in_frequency) * $invoice->amount ,2);
nlog("pro rata charge = {$pro_rata_charge}");
return $pro_rata_charge;
}
/**
* When downgrading, we may need to create
* a credit
*
* @param array $data
*/
public function createChangePlanCredit($data)
{
$recurring_invoice = $data['recurring_invoice'];
$old_subscription = $data['subscription'];
$target_subscription = $data['target'];
$pro_rata_charge_amount = 0;
$pro_rata_refund_amount = 0;
$last_invoice = Invoice::where('subscription_id', $recurring_invoice->subscription_id)
->where('client_id', $recurring_invoice->client_id)
->where('is_deleted', 0)
->withTrashed()
->orderBy('id', 'desc')
->first();
if($last_invoice->balance > 0)
{
$pro_rata_charge_amount = $this->calculateProRataCharge($last_invoice, $old_subscription);
nlog("pro rata charge = {$pro_rata_charge_amount}");
}
else
{
$pro_rata_refund_amount = $this->calculateProRataRefund($last_invoice, $old_subscription) * -1;
nlog("pro rata refund = {$pro_rata_refund_amount}");
}
$total_payable = $pro_rata_refund_amount + $pro_rata_charge_amount + $this->subscription->price;
nlog("total payable = {$total_payable}");
$credit = $this->createCredit($last_invoice, $target_subscription);
$new_recurring_invoice = $this->createNewRecurringInvoice($recurring_invoice);
$context = [
'context' => 'change_plan',
'recurring_invoice' => $new_recurring_invoice->hashed_id,
'credit' => $credit->hashed_id,
'client' => $new_recurring_invoice->client->hashed_id,
'subscription' => $target_subscription->hashed_id,
'contact' => auth('contact')->user()->hashed_id,
];
$response = $this->triggerWebhook($context);
nlog($response);
return $this->handleRedirect('/client/credits/'.$credit->hashed_id);
}
/**
* When changing plans, we need to generate a pro rata invoice
*
* @param array $data
* @return Invoice
*/
public function createChangePlanInvoice($data)
{
$recurring_invoice = $data['recurring_invoice'];
$old_subscription = $data['subscription'];
$target_subscription = $data['target'];
$pro_rata_charge_amount = 0;
$pro_rata_refund_amount = 0;
$last_invoice = Invoice::where('subscription_id', $recurring_invoice->subscription_id)
->where('client_id', $recurring_invoice->client_id)
->where('is_deleted', 0)
->withTrashed()
->orderBy('id', 'desc')
->first();
if($last_invoice->balance > 0)
{
$pro_rata_charge_amount = $this->calculateProRataCharge($last_invoice, $old_subscription);
nlog("pro rata charge = {$pro_rata_charge_amount}");
}
else
{
$pro_rata_refund_amount = $this->calculateProRataRefund($last_invoice, $old_subscription) * -1;
nlog("pro rata refund = {$pro_rata_refund_amount}");
}
$total_payable = $pro_rata_refund_amount + $pro_rata_charge_amount + $this->subscription->price;
return $this->proRataInvoice($last_invoice, $target_subscription);
}
/**
* Response from payment service on
* return from a plan change
*
* @param PaymentHash $payment_hash
*/
private function handlePlanChange($payment_hash)
{
$old_recurring_invoice = RecurringInvoice::find($payment_hash->data->billing_context->recurring_invoice);
$recurring_invoice = $this->createNewRecurringInvoice($old_recurring_invoice);
$context = [
'context' => 'change_plan',
'recurring_invoice' => $recurring_invoice->hashed_id,
'invoice' => $this->encodePrimaryKey($payment_hash->fee_invoice_id),
'client' => $recurring_invoice->client->hashed_id,
'subscription' => $this->subscription->hashed_id,
'contact' => auth('contact')->user()->hashed_id,
];
$response = $this->triggerWebhook($context);
nlog($response);
return $this->handleRedirect('/client/recurring_invoices/'.$recurring_invoice->hashed_id);
}
/**
* Creates a new recurring invoice when changing
* plans
*
* @param RecurringInvoice $old_recurring_invoice
* @return RecurringInvoice
*/
private function createNewRecurringInvoice($old_recurring_invoice) :RecurringInvoice
{
$old_recurring_invoice->service()->stop()->save();
$recurring_invoice_repo = new RecurringInvoiceRepository();
$recurring_invoice_repo->archive($old_recurring_invoice);
$recurring_invoice = $this->convertInvoiceToRecurring($old_recurring_invoice->client_id);
$recurring_invoice = $recurring_invoice_repo->save([], $recurring_invoice);
$recurring_invoice->next_send_date = now();
$recurring_invoice->next_send_date = $recurring_invoice->nextSendDate();
/* Start the recurring service */
$recurring_invoice->service()
->start()
->save();
return $recurring_invoice;
}
/**
* Handle a plan change where no payment is required
*
* @param array $data
*/
public function handlePlanChangeNoPayment($data)
{
$recurring_invoice = $this->createNewRecurringInvoice($data['recurring_invoice']);
$context = [
'context' => 'change_plan',
'recurring_invoice' => $recurring_invoice->hashed_id,
'invoice' => $this->encodePrimaryKey($payment_hash->fee_invoice_id),
'client' => $recurring_invoice->client->hashed_id,
'subscription' => $this->subscription->hashed_id,
'contact' => auth('contact')->user()->hashed_id,
];
$response = $this->triggerWebhook($context);
// nlog($response);
return $this->handleRedirect('/client/recurring_invoices/'.$recurring_invoice->hashed_id);
}
/**
* Creates a credit note if the plan change requires
*
* @param Invoice $last_invoice
* @param Subscription $target
* @return Credit
*/
private function createCredit($last_invoice, $target)
{
$subscription_repo = new SubscriptionRepository();
$credit_repo = new CreditRepository();
$credit = CreditFactory::create($this->subscription->company_id, $this->subscription->user_id);
$credit->date = now()->format('Y-m-d');
$credit->subscription_id = $this->subscription->id;
$line_items = $subscription_repo->generateLineItems($target);
$credit->line_items = array_merge($line_items, $this->calculateProRataRefundItems($last_invoice, true));
$data = [
'client_id' => $last_invoice->client_id,
'quantity' => 1,
'date' => now()->format('Y-m-d'),
];
return $credit_repo->save($data, $credit)->service()->markSent()->fillDefaults()->save();
}
/**
* When changing plans we need to generate a pro rata
* invoice which takes into account any credits.
*
* @param Invoice $last_invoice
* @param Subscription $target
* @return Invoice
*/
private function proRataInvoice($last_invoice, $target)
{
$subscription_repo = new SubscriptionRepository();
$invoice_repo = new InvoiceRepository();
$invoice = InvoiceFactory::create($this->subscription->company_id, $this->subscription->user_id);
$invoice->date = now()->format('Y-m-d');
$invoice->subscription_id = $this->subscription->id;
$invoice->line_items = array_merge($subscription_repo->generateLineItems($target), $this->calculateProRataRefundItems($last_invoice));
$data = [
'client_id' => $last_invoice->client_id,
'quantity' => 1,
'date' => now()->format('Y-m-d'),
];
return $invoice_repo->save($data, $invoice)
->service()
->markSent()
->fillDefaults()
->save();
}
/**
* Generates the first invoice when a subscription is purchased
*
* @param array $data
* @return Invoice
*/
public function createInvoice($data): ?\App\Models\Invoice
{
$invoice_repo = new InvoiceRepository();
$subscription_repo = new SubscriptionRepository();
$invoice = InvoiceFactory::create($this->subscription->company_id, $this->subscription->user_id);
$invoice->line_items = $subscription_repo->generateLineItems($this->subscription);
$invoice->subscription_id = $this->subscription->id;
if(strlen($data['coupon']) >=1 && ($data['coupon'] == $this->subscription->promo_code) && $this->subscription->promo_discount > 0)
{
$invoice->discount = $this->subscription->promo_discount;
$invoice->is_amount_discount = $this->subscription->is_amount_discount;
}
return $invoice_repo->save($data, $invoice);
}
/**
* Generates a recurring invoice based on
* the specifications of the subscription
*
* @param int $client_id The Client Id
* @return RecurringInvoice
*/
public function convertInvoiceToRecurring($client_id) :RecurringInvoice
{
$subscription_repo = new SubscriptionRepository();
$recurring_invoice = RecurringInvoiceFactory::create($this->subscription->company_id, $this->subscription->user_id);
$recurring_invoice->client_id = $client_id;
$recurring_invoice->line_items = $subscription_repo->generateLineItems($this->subscription, true);
$recurring_invoice->subscription_id = $this->subscription->id;
$recurring_invoice->frequency_id = $this->subscription->frequency_id ?: RecurringInvoice::FREQUENCY_MONTHLY;
$recurring_invoice->date = now();
$recurring_invoice->remaining_cycles = -1;
return $recurring_invoice;
}
/**
* Hit a 3rd party API if defined in the subscription
*
* @param array $context
*/
public function triggerWebhook($context)
{
/* If no webhooks have been set, then just return gracefully */
if(!array_key_exists('post_purchase_url', $this->subscription->webhook_configuration) || !array_key_exists('post_purchase_rest_method', $this->subscription->webhook_configuration)) {
return true;
}
$response = false;
$body = array_merge($context, [
'company_key' => $this->subscription->company->company_key,
'account_key' => $this->subscription->company->account->key,
'db' => $this->subscription->company->db,
]);
$response = $this->sendLoad($this->subscription, $body);
/* Append the response to the system logger body */
if(is_array($response)){
$body = $response;
}
else {
$status = $response->getStatusCode();
//$response_body = $response->getReasonPhrase();
$body = array_merge($body, ['status' => $status, 'response_body' => $response_body]);
}
$client = \App\Models\Client::find($this->decodePrimaryKey($body['client']));
SystemLogger::dispatch(
$body,
SystemLog::CATEGORY_WEBHOOK,
SystemLog::EVENT_WEBHOOK_RESPONSE,
SystemLog::TYPE_WEBHOOK_RESPONSE,
$client,
);
return $response;
}
public function fireNotifications()
{
//scan for any notification we are required to send
}
/**
* Get the single charge products for the
* subscription
*
* @return ?Product Collection
*/
public function products()
{
return Product::whereIn('id', $this->transformKeys(explode(",", $this->subscription->product_ids)))->get();
}
/**
* Get the recurring products for the
* subscription
*
* @return ?Product Collection
*/
public function recurring_products()
{
return Product::whereIn('id', $this->transformKeys(explode(",", $this->subscription->recurring_product_ids)))->get();
}
/**
* Get available upgrades & downgrades for the plan.
*
* @return \Illuminate\Database\Eloquent\Builder[]|\Illuminate\Database\Eloquent\Collection
*/
public function getPlans()
{
return Subscription::query()
->where('company_id', $this->subscription->company_id)
->where('group_id', $this->subscription->group_id)
->where('id', '!=', $this->subscription->id)
->get();
}
/**
* Handle the cancellation of a subscription
*
* @param RecurringInvoice $recurring_invoice
*
*/
public function handleCancellation(RecurringInvoice $recurring_invoice)
{
//only refund if they are in the refund window.
$outstanding_invoice = Invoice::where('subscription_id', $this->subscription->id)
->where('client_id', $recurring_invoice->client_id)
->where('is_deleted', 0)
->orderBy('id', 'desc')
->first();
$invoice_start_date = Carbon::parse($outstanding_invoice->date);
$refund_end_date = $invoice_start_date->addSeconds($this->subscription->refund_period);
/* Stop the recurring invoice and archive */
$recurring_invoice->service()->stop()->save();
$recurring_invoice_repo = new RecurringInvoiceRepository();
$recurring_invoice_repo->archive($recurring_invoice);
/* Refund only if we are in the window - and there is nothing outstanding on the invoice */
if($refund_end_date->greaterThan(now()) && (int)$outstanding_invoice->balance == 0)
{
if($outstanding_invoice->payments()->exists())
{
$payment = $outstanding_invoice->payments()->first();
$data = [
'id' => $payment->id,
'gateway_refund' => true,
'send_email' => true,
'invoices' => [
['invoice_id' => $outstanding_invoice->id, 'amount' => $outstanding_invoice->amount],
],
];
$payment->refund($data);
}
}
$context = [
'context' => 'cancellation',
'subscription' => $this->subscription->hashed_id,
'recurring_invoice' => $recurring_invoice->hashed_id,
'client' => $recurring_invoice->client->hashed_id,
'contact' => auth('contact')->user()->hashed_id,
];
$this->triggerWebhook($context);
return $this->handleRedirect('client/subscriptions');
}
private function getDaysInFrequency()
{
switch ($this->subscription->frequency_id) {
case RecurringInvoice::FREQUENCY_DAILY:
return 1;
case RecurringInvoice::FREQUENCY_WEEKLY:
return 7;
case RecurringInvoice::FREQUENCY_TWO_WEEKS:
return 14;
case RecurringInvoice::FREQUENCY_FOUR_WEEKS:
return now()->diffInDays(now()->addWeeks(4));
case RecurringInvoice::FREQUENCY_MONTHLY:
return now()->diffInDays(now()->addMonthNoOverflow());
case RecurringInvoice::FREQUENCY_TWO_MONTHS:
return now()->diffInDays(now()->addMonthNoOverflow(2));
case RecurringInvoice::FREQUENCY_THREE_MONTHS:
return now()->diffInDays(now()->addMonthNoOverflow(3));
case RecurringInvoice::FREQUENCY_FOUR_MONTHS:
return now()->diffInDays(now()->addMonthNoOverflow(4));
case RecurringInvoice::FREQUENCY_SIX_MONTHS:
return now()->diffInDays(now()->addMonthNoOverflow(6));
case RecurringInvoice::FREQUENCY_ANNUALLY:
return now()->diffInDays(now()->addYear());
case RecurringInvoice::FREQUENCY_TWO_YEARS:
return now()->diffInDays(now()->addYears(2));
case RecurringInvoice::FREQUENCY_THREE_YEARS:
return now()->diffInDays(now()->addYears(3));
default:
return 0;
}
}
/**
* 'email' => $this->email ?? $this->contact->email,
* 'quantity' => $this->quantity,
* 'contact_id' => $this->contact->id,
*/
public function handleNoPaymentRequired(array $data)
{
$context = (new ZeroCostProduct($this->subscription, $data))->run();
// Forward payload to webhook
if(array_key_exists('context', $context))
$response = $this->triggerWebhook($context);
// Hit the redirect
return $this->handleRedirect($context['redirect_url']);
}
/**
* Handles redirecting the user
*/
private function handleRedirect($default_redirect)
{
if(array_key_exists('return_url', $this->subscription->webhook_configuration) && strlen($this->subscription->webhook_configuration['return_url']) >=1)
return redirect($this->subscription->webhook_configuration['return_url']);
return redirect($default_redirect);
}
}