Files
daveadmin b21bfb2f1d Add NOK pricing catalog, credit ledger, success-based charging, and tier-gated model routing
- PricingCatalog.php: single source of truth for plans (free/plus/pro), top-ups,
  Stripe price env keys, tool costs (0–6 credits), STT variable billing, feature limits
- FreeTier.php: monthly-first credit deduction, ledger (user_tool_credit_ledger),
  STT reservation/settle/release, monthly reset, trial logic
- StripeClient.php: canonical SKUs (plus/pro/topup_100/300/1000), legacy aliases kept
- stripe-checkout.php: subscription vs payment mode, trial gating, catalog metadata
- stripe-webhook.php: idempotent via stripe_events, handles subscription lifecycle +
  invoice.paid renewal + one-time topup credit grants
- All API tools: success-based credit deduction (check before, charge after)
- transcribe.php: file-size heuristic reservation, settle from actual provider duration
- ask.php + LegalTools.php: ToolModels engine resolution — Pro gets gpt-4o
- KorrespondAgent.php + korrespond.php: tier-gated draft deployment —
  Free/Plus gets gpt-4o-mini, Pro gets gpt-4o
- pricing.php: NOK-only, plan cards, top-up packs, Organisation contact card,
  tool cost table, separate monthly/prepaid balance display
- 003_pricing_credit_catalog.sql: ledger and STT reservation tables

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-24 13:42:27 +02:00

93 lines
3.1 KiB
PHP

<?php
declare(strict_types=1);
require_once __DIR__ . '/../includes/bootstrap.php';
require_once __DIR__ . '/../includes/StripeClient.php';
require_once __DIR__ . '/../includes/FreeTier.php';
dbnToolsRequireMethod('POST');
dbnToolsRequireAuth();
$user = dbnToolsAuthenticatedUser();
$userId = (int)($user['user_id'] ?? 0);
$email = (string)($user['email'] ?? '');
if ($userId <= 0 || $email === '') {
dbnToolsError('User session missing user_id or email.', 401, 'bad_session');
}
$input = dbnToolsJsonInput(2000);
$sku = StripeClient::canonicalSku((string)($input['sku'] ?? ''));
if (!StripeClient::isSubscriptionSku($sku) && !StripeClient::isTopupSku($sku)) {
dbnToolsError('Unknown SKU.', 400, 'unknown_sku');
}
try {
$stripe = new StripeClient();
$customerId = $stripe->ensureCustomer($email, $userId);
$baseUrl = (dbnToolsIsHttps() ? 'https://' : 'http://') . ($_SERVER['HTTP_HOST'] ?? 'tools.dobetternorge.no');
$successUrl = $baseUrl . '/billing.php?status=success&session_id={CHECKOUT_SESSION_ID}';
$cancelUrl = $baseUrl . '/pricing.php?status=canceled';
$isSub = StripeClient::isSubscriptionSku($sku);
$credits = $isSub ? 0 : StripeClient::topupCredits($sku);
$metadata = [
'user_id' => (string)$userId,
'sku' => $sku,
'catalog_version' => PricingCatalog::VERSION,
];
if ($isSub) {
$metadata['tier'] = $sku;
} else {
$metadata['credits'] = (string)$credits;
}
$params = [
'mode' => $isSub ? 'subscription' : 'payment',
'customer' => $customerId,
'success_url' => $successUrl,
'cancel_url' => $cancelUrl,
'line_items' => [[
'price' => StripeClient::priceId($sku),
'quantity' => 1,
]],
'metadata' => $metadata,
'allow_promotion_codes' => true,
'billing_address_collection' => 'auto',
'locale' => 'auto',
'automatic_tax' => ['enabled' => false],
];
if ($isSub) {
FreeTier::ensureRow($userId);
$detail = FreeTier::balanceDetail($userId);
$params['subscription_data'] = [
'metadata' => $metadata,
];
$trialDays = PricingCatalog::planTrialDays($sku);
if ($trialDays > 0 && empty($detail['trial_started_at'])) {
$params['subscription_data']['trial_period_days'] = $trialDays;
$params['subscription_data']['trial_settings'] = [
'end_behavior' => ['missing_payment_method' => 'cancel'],
];
}
$params['payment_method_collection'] = 'always';
} else {
$params['payment_intent_data'] = [
'metadata' => $metadata,
];
}
$session = $stripe->createCheckoutSession($params);
$url = (string)($session['url'] ?? '');
if ($url === '') {
dbnToolsError('Stripe did not return a checkout URL.', 502, 'stripe_no_url');
}
dbnToolsRespond(['ok' => true, 'url' => $url, 'session_id' => (string)($session['id'] ?? '')]);
} catch (Throwable $e) {
error_log('[stripe-checkout] ' . $e->getMessage());
dbnToolsError('Could not start checkout: ' . $e->getMessage(), 500, 'stripe_failed');
}