Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

wp-content/plugins/thrive-ultimatum/inc/classes/shortcodes/class-tu-shortcode-countdown.php

@@ -0,0 +1,86 @@
+<?php
+/**
+ * Thrive Themes - https://thrivethemes.com
+ *
+ * @package thrive-ultimatum
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Silence is golden
+}
+
+class TU_Shortcode_Countdown {
+
+	protected static $instance;
+
+	/**
+	 * Protected construct to ensure the singleton pattern
+	 *
+	 * TU_Shortcode_Countdown constructor.
+	 */
+	protected function __construct() {
+
+	}
+
+	/**
+	 *  Access to instance
+	 *
+	 * @return TU_Shortcode_Countdown
+	 */
+	public static function instance() {
+		if ( is_null( self::$instance ) ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * Generates the shortcode code
+	 *
+	 * @param $campaign
+	 * @param $design
+	 *
+	 * @return string
+	 */
+	public function code( $campaign, $design ) {
+		return '[tu_countdown id=' . $campaign . ' design=' . $design . '][/tu_countdown]';
+	}
+
+	/**
+	 * Render the placeholder when the shortcode need to be rendered
+	 * This placeholder will pe replaced with corresponding HTML based on campaign settings when
+	 * the main ajax request is made
+	 *
+	 * @param $design_id
+	 * @param $campaign_id
+	 *
+	 * @return string
+	 */
+	public function placeholder( $design_id, $campaign_id ) {
+		$class = "tu-shortcode-$design_id";
+
+		$placeholder_style = tve_ultimatum_get_lightspeed_placeholder( $campaign_id, $design_id );
+
+		if ( $placeholder_style !== 'display:none' ) {
+			$class .= ' tve-ult-preload-form';
+		}
+
+		return '<div style="' . $placeholder_style . '" class="' . $class . '"></div>';
+	}
+
+	/**
+	 * Generates countdown shortcode
+	 *
+	 * @param int $campaign
+	 * @param int $design
+	 *
+	 * @return string
+	 */
+	public function get_code( $campaign, $design ) {
+		$campaign = (int) $campaign;
+		$design   = (int) $design;
+
+		return '[tu_countdown id=' . $campaign . ' design=' . $design . '][/tu_countdown]';
+	}
+}