Hotel Raxa - Advanced Booking System Implementation

🏨 Hotel Booking Enhancements:
- Implemented Eagle Booking Advanced Pricing add-on
- Added Booking.com-style rate management system
- Created professional calendar interface for pricing
- Integrated deals and discounts functionality

💰 Advanced Pricing Features:
- Dynamic pricing models (per room, per person, per adult)
- Base rates, adult rates, and child rates management
- Length of stay discounts and early bird deals
- Mobile rates and secret deals implementation
- Seasonal promotions and flash sales

📅 Availability Management:
- Real-time availability tracking
- Stop sell and restriction controls
- Closed to arrival/departure functionality
- Minimum/maximum stay requirements
- Automatic sold-out management

💳 Payment Integration:
- Maintained Redsys payment gateway integration
- Seamless integration with existing Eagle Booking
- No modifications to core Eagle Booking plugin

🛠️ Technical Implementation:
- Custom database tables for advanced pricing
- WordPress hooks and filters integration
- AJAX-powered admin interface
- Data migration from existing Eagle Booking
- Professional calendar view for revenue management

📊 Admin Interface:
- Booking.com-style management dashboard
- Visual rate and availability calendar
- Bulk operations for date ranges
- Statistics and analytics dashboard
- Modal dialogs for quick editing

🔧 Code Quality:
- WordPress coding standards compliance
- Secure database operations with prepared statements
- Proper input validation and sanitization
- Error handling and logging
- Responsive admin interface

🤖 Generated with Claude Code (https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

wp-includes/IXR/class-IXR-clientmulticall.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * IXR_ClientMulticall
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_ClientMulticall extends IXR_Client
+{
+    var $calls = array();
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $server, $path = false, $port = 80 )
+    {
+        parent::IXR_Client($server, $path, $port);
+        $this->useragent = 'The Incutio XML-RPC PHP Library (multicall client)';
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_ClientMulticall( $server, $path = false, $port = 80 ) {
+		self::__construct( $server, $path, $port );
+	}
+
+	/**
+	 * @since 1.5.0
+	 * @since 5.5.0 Formalized the existing `...$args` parameter by adding it
+	 *              to the function signature.
+	 */
+    function addCall( ...$args )
+    {
+        $methodName = array_shift($args);
+        $struct = array(
+            'methodName' => $methodName,
+            'params' => $args
+        );
+        $this->calls[] = $struct;
+    }
+
+	/**
+	 * @since 1.5.0
+	 * @since 5.5.0 Formalized the existing `...$args` parameter by adding it
+	 *              to the function signature.
+	 *
+	 * @return bool
+	 */
+    function query( ...$args )
+    {
+        // Prepare multicall, then call the parent::query() method
+        return parent::query('system.multicall', $this->calls);
+    }
+}