Add full SEO optimization for Spanglish social and language events

- Add comprehensive metadata to root layout with Open Graph, Twitter cards
- Create dynamic sitemap.ts for all pages and events
- Create robots.ts with proper allow/disallow rules
- Add JSON-LD Event structured data to event detail pages
- Add page-specific metadata to events, community, contact, FAQ pages
- Add FAQ structured data schema
- Update footer with local SEO text for Asunción, Paraguay
- Add web manifest for mobile SEO
- Create 404 page with proper noindex
- Optimize image alt text and add lazy loading
- Add NEXT_PUBLIC_SITE_URL env variable
- Add about/ folder to gitignore

backend/src/routes/tickets.ts

@@ -1,7 +1,7 @@
 import { Hono } from 'hono';
 import { zValidator } from '@hono/zod-validator';
 import { z } from 'zod';
-import { db, tickets, events, users, payments } from '../db/index.js';
+import { db, tickets, events, users, payments, paymentOptions } from '../db/index.js';
 import { eq, and, sql } from 'drizzle-orm';
 import { requireAuth, getAuthUser } from '../lib/auth.js';
 import { generateId, generateTicketCode, getNow } from '../lib/utils.js';
@@ -13,9 +13,9 @@ const ticketsRouter = new Hono();
 const createTicketSchema = z.object({
   eventId: z.string(),
   firstName: z.string().min(2),
-  lastName: z.string().min(2),
+  lastName: z.string().min(2).optional().or(z.literal('')),
   email: z.string().email(),
-  phone: z.string().min(6, 'Phone number is required'),
+  phone: z.string().min(6).optional().or(z.literal('')),
   preferredLanguage: z.enum(['en', 'es']).optional(),
   paymentMethod: z.enum(['bancard', 'lightning', 'cash', 'bank_transfer', 'tpago']).default('cash'),
   ruc: z.string().regex(/^[0-9]{6,8}-[0-9]{1}$/, 'Invalid RUC format').optional(),
@@ -76,7 +76,9 @@ ticketsRouter.post('/', zValidator('json', createTicketSchema), async (c) => {
   
   const now = getNow();
   
-  const fullName = `${data.firstName} ${data.lastName}`.trim();
+  const fullName = data.lastName && data.lastName.trim()
+    ? `${data.firstName} ${data.lastName}`.trim()
+    : data.firstName;
   
   if (!user) {
     const userId = generateId();
@@ -94,20 +96,29 @@ ticketsRouter.post('/', zValidator('json', createTicketSchema), async (c) => {
     await (db as any).insert(users).values(user);
   }
   
-  // Check for duplicate booking
-  const existingTicket = await (db as any)
+  // Check for duplicate booking (unless allowDuplicateBookings is enabled)
+  const globalOptions = await (db as any)
     .select()
-    .from(tickets)
-    .where(
-      and(
-        eq((tickets as any).userId, user.id),
-        eq((tickets as any).eventId, data.eventId)
-      )
-    )
+    .from(paymentOptions)
     .get();
   
-  if (existingTicket && existingTicket.status !== 'cancelled') {
-    return c.json({ error: 'You have already booked this event' }, 400);
+  const allowDuplicateBookings = globalOptions?.allowDuplicateBookings ?? false;
+  
+  if (!allowDuplicateBookings) {
+    const existingTicket = await (db as any)
+      .select()
+      .from(tickets)
+      .where(
+        and(
+          eq((tickets as any).userId, user.id),
+          eq((tickets as any).eventId, data.eventId)
+        )
+      )
+      .get();
+    
+    if (existingTicket && existingTicket.status !== 'cancelled') {
+      return c.json({ error: 'You have already booked this event' }, 400);
+    }
   }
   
   // Create ticket
@@ -122,9 +133,9 @@ ticketsRouter.post('/', zValidator('json', createTicketSchema), async (c) => {
     userId: user.id,
     eventId: data.eventId,
     attendeeFirstName: data.firstName,
-    attendeeLastName: data.lastName,
+    attendeeLastName: data.lastName && data.lastName.trim() ? data.lastName.trim() : null,
     attendeeEmail: data.email,
-    attendeePhone: data.phone,
+    attendeePhone: data.phone && data.phone.trim() ? data.phone.trim() : null,
     attendeeRuc: data.ruc || null,
     preferredLanguage: data.preferredLanguage || null,
     status: ticketStatus,
@@ -151,6 +162,20 @@ ticketsRouter.post('/', zValidator('json', createTicketSchema), async (c) => {
   
   await (db as any).insert(payments).values(newPayment);
   
+  // Send payment instructions email for manual payment methods (TPago, Bank Transfer)
+  if (['bank_transfer', 'tpago'].includes(data.paymentMethod)) {
+    // Send asynchronously - don't block the response
+    emailService.sendPaymentInstructions(ticketId).then(result => {
+      if (result.success) {
+        console.log(`[Email] Payment instructions email sent successfully for ticket ${ticketId}`);
+      } else {
+        console.error(`[Email] Failed to send payment instructions email for ticket ${ticketId}:`, result.error);
+      }
+    }).catch(err => {
+      console.error('[Email] Exception sending payment instructions email:', err);
+    });
+  }
+  
   // If Lightning payment, create LNbits invoice
   let lnbitsInvoice = null;
   if (data.paymentMethod === 'lightning' && event.price > 0) {
@@ -389,6 +414,23 @@ ticketsRouter.post('/:id/mark-payment-sent', async (c) => {
     return c.json({ error: 'This action is only available for bank transfer or TPago payments' }, 400);
   }
   
+  // Handle idempotency - if already marked as sent or paid, return success with current state
+  if (payment.status === 'pending_approval') {
+    return c.json({ 
+      payment, 
+      message: 'Payment was already marked as sent. Waiting for admin approval.',
+      alreadyProcessed: true,
+    });
+  }
+  
+  if (payment.status === 'paid') {
+    return c.json({ 
+      payment, 
+      message: 'Payment has already been confirmed.',
+      alreadyProcessed: true,
+    });
+  }
+  
   // Only allow if currently pending
   if (payment.status !== 'pending') {
     return c.json({ error: 'Payment has already been processed' }, 400);