Did some modifications...

app/handlers.py

@@ -33,11 +33,11 @@ async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
             raffle = get_raffle(raffle_id) # Get raffle details
             remaining_numbers_amount = get_remaining_numbers_amount(raffle_id)
             if raffle and raffle['active'] and remaining_numbers_amount > 0:
-                # Check what time is it, if it's between 20:55 and 22:00, users can't join
+                # Check what time is it, if it's between 21:15 and 22:00, users can't join
                 madrid_tz = pytz.timezone("Europe/Madrid")
                 current_time = datetime.now(madrid_tz)
-                if current_time.time() >= dtime(20, 55) and current_time.time() <= dtime(22, 0):
-                    await update.message.reply_text("Lo siento, no puedes unirte a sorteos entre las 20:55 y las 22:00 (hora de España) para evitar conflictos con el sorteo en directo. Inténtalo de nuevo más tarde.")
+                if current_time.time() >= dtime(21, 15) and current_time.time() <= dtime(22, 0):
+                    await update.message.reply_text("Lo siento, no puedes unirte a sorteos entre las 21:15 y las 22:00 (hora de España) para evitar conflictos con el sorteo en directo. Inténtalo de nuevo más tarde.")
                     return
                 if len(get_reserved_numbers(user.id, raffle_id)) > 0:
                     await update.message.reply_text("Ya tienes participaciones reservadas para este sorteo. Por favor, completa la donación o espera a que caduquen antes de unirte de nuevo.")
@@ -48,13 +48,23 @@ async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
                 logger.info(f"User {user.id} started bot with join link for raffle {raffle_id}")
                 context.user_data['joining_raffle_id'] = raffle_id
                 keyboard = generate_numbers_keyboard(raffle_id, user.id)
-                await update.message.reply_text(
-                    f"¡Hola! Vamos a unirnos al sorteo '{raffle['name']}'.\n\n"
-                    f"🌍 Envío internacional: {'Sí ✅' if raffle['international_shipping'] else 'No ❌'}\n"
-                    f"La donación mínima es de {raffle['price']}€.\n\n"
-                    "Por favor, selecciona tus números:",
-                    reply_markup=keyboard
-                )
+                is_vip = is_vip_member_of_homelabs(user.id)
+                if is_vip:
+                    await update.message.reply_text(
+                        f"¡Hola usuario VIP! Vamos a unirnos al sorteo '{raffle['name']}'.\n\n"
+                        f"🌍 Envío internacional: {'Sí ✅' if raffle['international_shipping'] else 'No ❌'}\n"
+                        f"La donación mínima es de {raffle['price'] - VIP_DISCOUNT_PER_NUMBER}€.\n\n"
+                        "Por favor, selecciona tus números:",
+                        reply_markup=keyboard
+                    )
+                else:
+                    await update.message.reply_text(
+                        f"¡Hola! Vamos a unirnos al sorteo '{raffle['name']}'.\n\n"
+                        f"🌍 Envío internacional: {'Sí ✅' if raffle['international_shipping'] else 'No ❌'}\n"
+                        f"La donación mínima es de {raffle['price']}€.\n\n"
+                        "Por favor, selecciona tus números:",
+                        reply_markup=keyboard
+                    )
             else:
                 await update.message.reply_text("Este sorteo ya no está activo o no tiene números disponibles.")
         except (ValueError, IndexError):
@@ -225,8 +235,24 @@ async def confirm_creation(update: Update, context: ContextTypes.DEFAULT_TYPE) -
         channel_id = user_data.get('channel')
         international_shipping = user_data.get('international_shipping', 0)
 
-        if not all([name, description, image_file_id, price, international_shipping]):
-            await context.bot.send_message(query.from_user.id, "Faltan datos. Creación cancelada.")
+        exists_international_shipping = False
+        if international_shipping != None:
+            exists_international_shipping = True
+
+        if not all([name, description, image_file_id, price, exists_international_shipping]):
+            missing_fields = []
+            if not name:
+                missing_fields.append("título")
+            if not description:
+                missing_fields.append("descripción")
+            if not image_file_id:
+                missing_fields.append("imagen")
+            if not price:
+                missing_fields.append("precio")
+            if not exists_international_shipping:
+                missing_fields.append("envío internacional")
+
+            await context.bot.send_message(query.from_user.id, f"Faltan datos: {', '.join(missing_fields)}. Creación cancelada.")
             context.user_data.pop('new_raffle', None)
             return ConversationHandler.END
 
@@ -528,6 +554,12 @@ async def confirm_callback(update: Update, context: CallbackContext):
         return
     
     user_name = participant['user_name']
+
+    is_vip = is_vip_member_of_homelabs(user_id)
+    if is_vip:
+        price_per_number -= VIP_DISCOUNT_PER_NUMBER
+        if price_per_number < 1:
+            price_per_number = 1 # Minimum price
     total_price = len(reserved_numbers) * price_per_number
 
     paypal_link, invoice_id = create_paypal_order(get_paypal_access_token(), total_price, raffle_info['id'], reserved_numbers, user_name)
@@ -680,16 +712,19 @@ async def end_raffle_logic(context: ContextTypes.DEFAULT_TYPE, raffle_id: int, w
 
     # Notify admin of success
     try:
+        number_of_participations = get_total_participations(raffle_id)
+        price_per_number = raffle_details['price']
+        total_gross = 0
+        total_net = 0
+        total_fees = 0
+        invoice_ids = get_all_invoice_ids(raffle_id)
+        for inv_id in invoice_ids:
+            gross, net, fees = get_paypal_amounts_for_invoice(inv_id)
+            total_gross += gross
+            total_net += net
+            total_fees += fees
         for admin_user_id in ADMIN_IDS:
             await context.bot.send_message(admin_user_id, f"Sorteo '{raffle_name}' terminado y ganadores anunciados.")
-            number_of_participations = get_total_participations(raffle_id)
-            price_per_number = raffle_details['price']
-            invoice_ids = get_all_invoice_ids(raffle_id)
-            for inv_id in invoice_ids:
-                gross, net, fees = get_paypal_amounts_for_invoice(inv_id)
-                total_gross += gross
-                total_net += net
-                total_fees += fees
             await context.bot.send_message(
                 admin_user_id,
                 f"Resumen del sorteo '{raffle_name}':\n"
@@ -788,6 +823,26 @@ async def admin_menu_callback(update: Update, context: ContextTypes.DEFAULT_TYPE
             logger.error(f"Invalid callback data for announce raffle: {data}")
             await query.edit_message_text("Error: ID de sorteo inválido.", reply_markup=generate_admin_list_raffles_keyboard())
 
+    elif data.startswith(ADMIN_UPDATE_IMAGE_PREFIX):
+        try:
+            raffle_id = int(data[len(ADMIN_UPDATE_IMAGE_PREFIX):])
+            logger.info(f"Admin {user_id} requested image update for raffle {raffle_id}")
+            await query.edit_message_text(f"🔄 Actualizando imagen del sorteo {get_raffle_name(raffle_id)}...", reply_markup=None)
+            
+            # Use the extracted function to send/update the raffle image
+            if send_raffle_update_image(raffle_id, bot_token=context.bot.token):
+                await context.bot.send_message(user_id, f"✅ Imagen actualizada correctamente para el sorteo {get_raffle_name(raffle_id)}.")
+            else:
+                await context.bot.send_message(user_id, f"❌ Error al actualizar la imagen para el sorteo {get_raffle_name(raffle_id)}.")
+            
+            # Go back to raffle details
+            details_text = format_raffle_details(raffle_id)
+            details_keyboard = generate_admin_raffle_details_keyboard(raffle_id)
+            await context.bot.send_message(user_id, details_text, reply_markup=details_keyboard, parse_mode=ParseMode.HTML)
+        except (ValueError, IndexError):
+            logger.error(f"Invalid callback data for update image: {data}")
+            await query.edit_message_text("Error: ID de sorteo inválido.", reply_markup=generate_admin_list_raffles_keyboard())
+
     elif data.startswith(ADMIN_END_RAFFLE_PROMPT_PREFIX):
         try:
             raffle_id = int(data[len(ADMIN_END_RAFFLE_PROMPT_PREFIX):])
@@ -902,7 +957,7 @@ async def _announce_raffle_in_channels(context: ContextTypes.DEFAULT_TYPE, raffl
 
     raffle_name = raffle['name']
     image_file_id = raffle['image_file_id']
-    raffle_description = raffle['description'] # Get description for caption
+    raffle_description = raffle['description'][:350] # Get description for caption
     price = raffle['price']
     channel_id_str = raffle['channel_id']