Add Multi-Tenant SaaS foundation for customer management
Phase 1 implementation includes: Database: - schema.sql with tables for tenants, domains, settings, branding, streams, users, subscriptions, plans, invoices, viewer_stats Core Classes (src/Core/): - Database.php: PDO wrapper with singleton pattern - TenantResolver.php: Domain-to-tenant resolution with fallback Tenant Classes (src/Tenant/): - TenantManager.php: CRUD operations for tenants - TenantSettingsManager.php: DB-based settings per tenant Configuration: - config.example.php: Template for database/stripe/mail config - bootstrap.php: Initializes multi-tenant environment - .gitignore: Excludes config.php and cache files Integration: - SettingsManager.php: Added saas_features toggles (all off by default) - index.php: Uses getSiteConfig() from bootstrap when multi-tenant enabled, falls back to legacy hardcoded domains when disabled All SaaS features are disabled by default (saas_features.multi_tenant_enabled = false), ensuring zero breaking changes to existing installations.
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Claude
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<?php
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/**
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* TenantResolver - Ermittelt den aktuellen Tenant basierend auf Domain
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*
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* Ersetzt den hardcoded Domain-Switch in index.php
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*/
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namespace AuroraLivecam\Core;
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class TenantResolver
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{
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private Database $db;
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private ?array $currentTenant = null;
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private ?array $currentBranding = null;
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private static ?TenantResolver $instance = null;
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// Cache für Domain-Lookups (vermeidet DB-Anfragen bei jedem Request)
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private static array $domainCache = [];
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public function __construct(?Database $db = null)
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{
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$this->db = $db ?? Database::getInstance();
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}
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/**
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* Singleton für globalen Zugriff
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*/
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public static function getInstance(): TenantResolver
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{
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if (self::$instance === null) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* Löst die aktuelle Domain auf und gibt den Tenant zurück
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*/
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public function resolve(?string $domain = null): ?array
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{
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$domain = $domain ?? $this->getCurrentDomain();
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if ($this->currentTenant !== null && ($this->currentTenant['domain'] ?? '') === $domain) {
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return $this->currentTenant;
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}
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// Cache prüfen
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if (isset(self::$domainCache[$domain])) {
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$this->currentTenant = self::$domainCache[$domain];
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return $this->currentTenant;
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}
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// Aus DB laden
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$this->currentTenant = $this->loadTenantByDomain($domain);
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// In Cache speichern
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self::$domainCache[$domain] = $this->currentTenant;
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return $this->currentTenant;
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}
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/**
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* Lädt einen Tenant anhand der Domain aus der Datenbank
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*/
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private function loadTenantByDomain(string $domain): ?array
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{
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// Normalisiere Domain (ohne www.)
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$normalizedDomain = $this->normalizeDomain($domain);
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try {
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$sql = "
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SELECT
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t.*,
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td.domain,
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td.is_primary,
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p.name as plan_name,
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p.slug as plan_slug,
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p.features as plan_features
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FROM tenant_domains td
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JOIN tenants t ON td.tenant_id = t.id
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LEFT JOIN plans p ON t.plan_id = p.id
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WHERE td.domain = ? OR td.domain = ?
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LIMIT 1
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";
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$tenant = $this->db->fetchOne($sql, [$domain, $normalizedDomain]);
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if ($tenant && isset($tenant['plan_features'])) {
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$tenant['plan_features'] = json_decode($tenant['plan_features'], true);
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}
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return $tenant;
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} catch (\Exception $e) {
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// Fallback: Keine DB-Verbindung oder Tabelle existiert nicht
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return $this->getFallbackTenant($domain);
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}
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}
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/**
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* Fallback für Legacy-Modus (ohne Datenbank)
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* Unterstützt die alten hardcoded Domains
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*/
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private function getFallbackTenant(string $domain): ?array
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{
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$normalizedDomain = $this->normalizeDomain($domain);
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// Alte seecam.ch Konfiguration
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if (str_contains($normalizedDomain, 'seecam.ch')) {
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return [
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'id' => 0,
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'uuid' => 'legacy-seecam',
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'name' => 'Seecam',
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'slug' => 'seecam',
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'status' => 'active',
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'domain' => $domain,
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'is_legacy' => true,
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'branding' => [
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'site_name' => 'Seecam',
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'site_name_full' => 'Seecam.ch - Live Webcam',
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'tagline' => 'Ihre Live-Webcam',
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'primary_color' => '#667eea',
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'secondary_color' => '#764ba2',
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],
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];
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}
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// Default: Aurora
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if (str_contains($normalizedDomain, 'aurora') ||
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str_contains($normalizedDomain, 'localhost') ||
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$normalizedDomain === '127.0.0.1') {
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return [
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'id' => 0,
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'uuid' => 'legacy-aurora',
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'name' => 'Aurora Weather Livecam',
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'slug' => 'aurora',
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'status' => 'active',
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'domain' => $domain,
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'is_legacy' => true,
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'branding' => [
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'site_name' => 'Aurora',
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'site_name_full' => 'Aurora Weather Livecam - Zürich Oberland',
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'tagline' => 'Wetter Webcam Schweiz',
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'primary_color' => '#667eea',
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'secondary_color' => '#764ba2',
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],
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];
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}
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// Unbekannte Domain - Default Tenant
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return [
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'id' => 0,
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'uuid' => 'default',
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'name' => 'Livecam',
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'slug' => 'default',
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'status' => 'active',
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'domain' => $domain,
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'is_legacy' => true,
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'branding' => [
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'site_name' => 'Livecam',
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'site_name_full' => 'Livecam',
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'primary_color' => '#667eea',
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'secondary_color' => '#764ba2',
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],
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];
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}
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/**
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* Gibt das Branding des aktuellen Tenants zurück
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*/
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public function getBranding(): array
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{
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if ($this->currentBranding !== null) {
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return $this->currentBranding;
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}
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$tenant = $this->resolve();
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if (!$tenant) {
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return $this->getDefaultBranding();
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}
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// Legacy-Tenant hat Branding inline
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if (isset($tenant['is_legacy']) && $tenant['is_legacy']) {
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$this->currentBranding = $tenant['branding'] ?? $this->getDefaultBranding();
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return $this->currentBranding;
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}
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// Aus DB laden
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try {
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$branding = $this->db->fetchOne(
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"SELECT * FROM tenant_branding WHERE tenant_id = ?",
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[$tenant['id']]
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);
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$this->currentBranding = $branding ?: $this->getDefaultBranding();
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} catch (\Exception $e) {
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$this->currentBranding = $this->getDefaultBranding();
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}
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return $this->currentBranding;
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}
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/**
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* Default Branding
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*/
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private function getDefaultBranding(): array
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{
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return [
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'site_name' => 'Livecam',
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'site_name_full' => 'Live Webcam',
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'tagline' => '',
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'logo_path' => null,
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'favicon_path' => null,
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'primary_color' => '#667eea',
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'secondary_color' => '#764ba2',
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'accent_color' => '#f093fb',
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'welcome_text_de' => '',
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'welcome_text_en' => '',
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'footer_text' => '',
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'custom_css' => '',
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];
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}
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/**
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* Gibt die aktuelle Domain zurück
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*/
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public function getCurrentDomain(): string
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{
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return $_SERVER['HTTP_HOST'] ?? 'localhost';
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}
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/**
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* Normalisiert eine Domain (entfernt www.)
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*/
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private function normalizeDomain(string $domain): string
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{
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return preg_replace('/^www\./i', '', strtolower($domain));
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}
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/**
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* Prüft ob der aktuelle Tenant aktiv ist
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*/
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public function isActive(): bool
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{
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$tenant = $this->resolve();
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return $tenant && in_array($tenant['status'], ['active', 'trial']);
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}
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/**
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* Prüft ob der Tenant im Trial ist
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*/
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public function isTrial(): bool
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{
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$tenant = $this->resolve();
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return $tenant && $tenant['status'] === 'trial';
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}
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/**
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* Gibt die Tenant-ID zurück (oder 0 für Legacy)
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*/
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public function getTenantId(): int
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{
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$tenant = $this->resolve();
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return $tenant['id'] ?? 0;
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}
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/**
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* Gibt den Tenant-Slug zurück
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*/
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public function getTenantSlug(): string
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{
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$tenant = $this->resolve();
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return $tenant['slug'] ?? 'default';
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}
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/**
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* Prüft ob Multi-Tenant-Modus aktiv ist (DB vorhanden)
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*/
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public function isMultiTenantEnabled(): bool
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{
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$tenant = $this->resolve();
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return $tenant && !isset($tenant['is_legacy']);
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}
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/**
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* Gibt alle Domains eines Tenants zurück
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*/
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public function getTenantDomains(int $tenantId): array
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{
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try {
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return $this->db->fetchAll(
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"SELECT * FROM tenant_domains WHERE tenant_id = ? ORDER BY is_primary DESC",
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[$tenantId]
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);
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} catch (\Exception $e) {
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return [];
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}
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}
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/**
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* Setzt den aktuellen Tenant manuell (für Tests oder CLI)
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*/
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public function setTenant(array $tenant): void
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{
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$this->currentTenant = $tenant;
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$this->currentBranding = null;
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}
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/**
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* Leert den Cache
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*/
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public static function clearCache(): void
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{
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self::$domainCache = [];
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}
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}
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