Initial commit

src/lib/stores/events.ts

@@ -0,0 +1,113 @@
+import { writable } from 'svelte/store';
+import type { Event, CreateEventData, RSVP } from '$lib/types';
+
+// In-memory store for events (in a real app, this would be a database)
+const events = writable<Map<string, Event>>(new Map());
+
+// Generate a random URL-friendly ID
+function generateEventId(): string {
+	const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+	let result = '';
+	for (let i = 0; i < 8; i++) {
+		result += chars.charAt(Math.floor(Math.random() * chars.length));
+	}
+	return result;
+}
+
+// Generate a random ID for RSVPs
+function generateRSVPId(): string {
+	return Math.random().toString(36).substr(2, 9);
+}
+
+export const eventsStore = {
+	subscribe: events.subscribe,
+
+	createEvent: (eventData: CreateEventData): string => {
+		const eventId = generateEventId();
+		const newEvent: Event = {
+			id: eventId,
+			...eventData,
+			createdAt: new Date().toISOString(),
+			attendees: []
+		};
+
+		events.update((currentEvents) => {
+			const newMap = new Map(currentEvents);
+			newMap.set(eventId, newEvent);
+			return newMap;
+		});
+
+		return eventId;
+	},
+
+	getEvent: (id: string): Event | undefined => {
+		let event: Event | undefined;
+		events.update((currentEvents) => {
+			event = currentEvents.get(id);
+			return currentEvents;
+		});
+		return event;
+	},
+
+	addRSVP: (eventId: string, name: string): boolean => {
+		let success = false;
+
+		events.update((currentEvents) => {
+			const event = currentEvents.get(eventId);
+			if (!event) return currentEvents;
+
+			// Check if event is full (for limited type events)
+			if (
+				event.type === 'limited' &&
+				event.attendee_limit &&
+				event.attendees.length >= event.attendee_limit
+			) {
+				return currentEvents;
+			}
+
+			// Check if name is already in the list
+			if (event.attendees.some((attendee) => attendee.name.toLowerCase() === name.toLowerCase())) {
+				return currentEvents;
+			}
+
+			const newRSVP: RSVP = {
+				id: generateRSVPId(),
+				name,
+				timestamp: new Date().toISOString()
+			};
+
+			const updatedEvent = {
+				...event,
+				attendees: [...event.attendees, newRSVP]
+			};
+
+			const newMap = new Map(currentEvents);
+			newMap.set(eventId, updatedEvent);
+			success = true;
+			return newMap;
+		});
+
+		return success;
+	},
+
+	removeRSVP: (eventId: string, rsvpId: string): boolean => {
+		let success = false;
+
+		events.update((currentEvents) => {
+			const event = currentEvents.get(eventId);
+			if (!event) return currentEvents;
+
+			const updatedEvent = {
+				...event,
+				attendees: event.attendees.filter((attendee) => attendee.id !== rsvpId)
+			};
+
+			const newMap = new Map(currentEvents);
+			newMap.set(eventId, updatedEvent);
+			success = true;
+			return newMap;
+		});
+
+		return success;
+	}
+};