Add camptix webhook plugin

public_html/wp-content/plugins/camptix-webhook/addons/webhook.php

@@ -0,0 +1,177 @@
+<?php
+/**
+ * Allows integration with 3rd party services via webhook.
+ */
+class CampTix_Webhook extends CampTix_Addon {
+
+    /**
+	 * Runs during CampTix init.
+	 */
+	public function camptix_init() {
+		global $camptix;
+
+        // Admin Settings UI.
+		if ( current_user_can( $camptix->caps['manage_options'] ) ) {
+			add_filter( 'camptix_setup_sections', array( $this, 'setup_sections' ) );
+			add_action( 'camptix_menu_setup_controls', array( $this, 'setup_controls' ), 10, 1 );
+			add_filter( 'camptix_validate_options', array( $this, 'validate_options' ), 10, 2 );
+		}
+
+		add_action( 'save_post_tix_attendee', array( $this, 'trigger_webhook_async' ), 10, 2 );
+		add_action( 'camptix_webhook_trigger', array( $this, 'trigger_webhook' ) );
+    }
+
+	/**
+	 * Add a new section to the Setup screen.
+	 */
+	public function setup_sections( $sections ) {
+		$sections['webhook-ui'] = esc_html__( 'Webhook', 'wordcamporg' );
+
+		return $sections;
+	}
+
+	/**
+	 * Add some controls to our Setup section.
+	 */
+	public function setup_controls( $section ) {
+		global $camptix;
+
+		if ( 'webhook-ui' != $section )
+			return;
+
+		add_settings_section( 'general', esc_html__( 'Attendees Webhook', 'wordcamporg' ), array( $this, 'setup_controls_section' ), 'camptix_options' );
+
+		// Fields
+		$camptix->add_settings_field_helper( 'webhook-enabled', esc_html__( 'Enabled', 'wordcamporg' ), 'field_yesno', 'general' );
+		$camptix->add_settings_field_helper( 'webhook-url', esc_html__( 'Webhook URL', 'wordcamporg' ), 'field_text', 'general', esc_html__( 'Add the webhook URL, ensure to start with https://', 'wordcamporg' ) );
+
+		add_action( 'camptix_setup_buttons', array( $this, 'setup_buttons_test_webhook' ) );
+	}
+
+	/**
+	 * Runs whenever the CampTix option is updated.
+	 */
+	public function validate_options( $output, $input ) {
+		if ( isset( $input['webhook-enabled'] ) )
+			$output['webhook-enabled'] = (bool) $input['webhook-enabled'];
+
+		if ( ! empty( $input['webhook-url'] ) ) {
+			$output['webhook-url'] = sanitize_url( $input['webhook-url'] );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Setup section description.
+	 */
+	public function setup_controls_section() {
+		?>
+		<p><?php esc_html_e( 'Enable webhook when attendees data get created/updated.', 'wordcamporg' ); ?></p>
+
+		<p><strong><?php esc_html_e( 'Note: Please do test the webhook before your enable it.', 'wordcamporg' ); ?></strong></p>
+		<?php
+	}
+
+	/**
+	 * Setup buttons.
+	 */
+	public function setup_buttons_test_webhook() {
+		$button = '<button type="button" class="button button-secondary" name="camptix_action">' . esc_html__( 'Test Webhook', 'wordcamporg' ) . '</button>';
+
+		echo wp_kses_post( $button );
+	}
+
+
+	/**
+	 * Trigger webhook asynchronously.
+	 * Use cron to trigger webhook 5 seconds after attendee is updated.
+	 * So this process won't block the main process. And prevents multiple triggers.
+	 *
+	 * @param int $post_id Attendee ID.
+	 * @param WP_Post $post Attendee Post Object.
+	 * @return void
+	 */
+	public function trigger_webhook_async( $post_id, $post ) {
+		// Trigger webhook asynchronously.
+		if ( ! wp_next_scheduled( 'camptix_webhook_trigger', [ $post_id ] ) ) {
+			wp_schedule_single_event( time() + 5, 'camptix_webhook_trigger', [ $post_id ] );
+		}
+	}
+
+	/**
+	 * Trigger webhook when attendee is updated.
+	 *
+	 * @param int $post_id Attendee ID.
+	 * @return void
+	 */
+	public function trigger_webhook( $post_id ) {
+		/** @var CampTix_Plugin $camptix */
+		global $camptix;
+
+		$camptix_options = $camptix->get_options();
+
+		$is_enabled = isset( $camptix_options['webhook-enabled'] ) ? $camptix_options['webhook-enabled'] : false;
+		$webhook_url = isset( $camptix_options['webhook-url'] ) ? $camptix_options['webhook-url'] : '';
+
+		if ( ! $is_enabled ) {
+			return;
+		}
+
+		if ( empty( $webhook_url ) ) {
+			return;
+		}
+
+		$post = get_post( $post_id );
+
+		if ( 'tix_attendee' !== $post->post_type ) {
+			return;
+		}
+
+		// Get attendee data.
+		$attendee = [
+			'timestamp' => time(),
+			'status' => $post->post_status,
+			'tix_email' => get_post_meta( $post_id, 'tix_email', true ),
+			'tix_first_name' => get_post_meta( $post_id, 'tix_first_name', true ),
+			'tix_last_name' => get_post_meta( $post_id, 'tix_last_name', true ),
+			'tix_ticket_id' => get_post_meta( $post_id, 'tix_ticket_id', true ),
+			'tix_coupon' => get_post_meta( $post_id, 'tix_coupon', true ),
+		];
+
+		// Prepare webhook data.
+		$response = wp_remote_post(
+			$webhook_url,
+			[
+				'body' => wp_json_encode( $attendee ),
+				'headers' => [
+					'Content-Type' => 'application/json',
+				],
+			]
+		);
+
+		// Log the response.
+		if ( is_wp_error( $response ) ) {
+			$this->log( sprintf( 'Webhook failed: %s', $response->get_error_message() ), $post_id, $response );
+		}
+
+		$this->log( 'Webhook triggered', $post_id, $response );
+	}
+
+    /**
+	 * Write a log entry to CampTix.
+	 */
+	public function log( $message, $post_id = 0, $data = null ) {
+		global $camptix;
+		$camptix->log( $message, $post_id, $data, 'webhook' );
+	}
+
+    /**
+	 * Register self as a CampTix addon.
+	 */
+	public static function register_addon() {
+		camptix_register_addon( __CLASS__ );
+	}
+}
+
+CampTix_Webhook::register_addon();

public_html/wp-content/plugins/camptix-webhook/camptix-webhook.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Plugin Name: CampTix - Webhook
+ * Description: An addon for CampTix that allows 3rd party integration via webhook.
+ * Version: 0.1
+ * Author: Ivan Kristianto
+ * Author URI: https://profiles.wordpress.org/ivankristianto/
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+function camptix_webhook_register() {
+	require_once( plugin_dir_path( __FILE__ ) . 'addons/webhook.php' );
+}
+add_action( 'camptix_load_addons', 'camptix_webhook_register' );