Initial commit

lib/stores/license.ts

@@ -0,0 +1,75 @@
+import { writable, derived } from 'svelte/store';
+
+export type LicenseType = 'enterprise' | 'smb';
+
+export interface LicenseState {
+	isEnterprise: boolean;
+	isLicensed: boolean;
+	licenseType: LicenseType | null;
+	loading: boolean;
+	licensedTo: string | null;
+	expiresAt: string | null;
+}
+
+function createLicenseStore() {
+	const { subscribe, set, update } = writable<LicenseState>({
+		isEnterprise: false,
+		isLicensed: false,
+		licenseType: null,
+		loading: true,
+		licensedTo: null,
+		expiresAt: null
+	});
+
+	return {
+		subscribe,
+		async check() {
+			update(state => ({ ...state, loading: true }));
+			try {
+				const response = await fetch('/api/license');
+				const data = await response.json();
+				const isValid = data.valid && data.active;
+				const licenseType = data.payload?.type as LicenseType | undefined;
+				set({
+					isEnterprise: isValid && licenseType === 'enterprise',
+					isLicensed: isValid,
+					licenseType: isValid ? (licenseType || null) : null,
+					loading: false,
+					licensedTo: data.stored?.name || null,
+					expiresAt: data.payload?.expires || null
+				});
+			} catch {
+				set({ isEnterprise: false, isLicensed: false, licenseType: null, loading: false, licensedTo: null, expiresAt: null });
+			}
+		},
+		setEnterprise(value: boolean) {
+			update(state => ({ ...state, isEnterprise: value }));
+		},
+		/** Wait for the store to finish loading */
+		waitUntilLoaded(): Promise<LicenseState> {
+			return new Promise((resolve) => {
+				const unsubscribe = subscribe((state) => {
+					if (!state.loading) {
+						// Use setTimeout to avoid unsubscribing during callback
+						setTimeout(() => unsubscribe(), 0);
+						resolve(state);
+					}
+				});
+			});
+		}
+	};
+}
+
+export const licenseStore = createLicenseStore();
+
+// Derived store for days until expiration
+export const daysUntilExpiry = derived(licenseStore, ($license) => {
+	if (!$license.isLicensed || !$license.expiresAt) return null;
+
+	const now = new Date();
+	const expires = new Date($license.expiresAt);
+	const diffTime = expires.getTime() - now.getTime();
+	const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
+
+	return diffDays;
+});