Add gravity flow demo

backend/wordpress/wp-content/plugins/gravityflow-master/gravityflow.php

@@ -0,0 +1,182 @@
+<?php
+/**
+Plugin Name: Gravity Flow
+Plugin URI: https://gravityflow.io
+Description: Build Workflow Applications with Gravity Forms.
+Version: 2.2.3-dev
+Author: Gravity Flow
+Author URI: https://gravityflow.io
+License: GPL-3.0+
+Text Domain: gravityflow
+Domain Path: /languages
+
+------------------------------------------------------------------------
+Copyright 2015-2018 Steven Henty S.L.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see http://www.gnu.org/licenses.
+ */
+
+define( 'GRAVITY_FLOW_VERSION', '2.2.3-dev' );
+
+define( 'GRAVITY_FLOW_EDD_STORE_URL', 'https://gravityflow.io' );
+
+define( 'GRAVITY_FLOW_EDD_ITEM_NAME', 'Gravity Flow' );
+
+add_action( 'gform_loaded', array( 'Gravity_Flow_Bootstrap', 'load' ), 1 );
+
+/**
+ * Class Gravity_Flow_Bootstrap
+ */
+class Gravity_Flow_Bootstrap {
+
+	/**
+	 * Includes the required files and registers the add-on with Gravity Forms.
+	 */
+	public static function load() {
+
+		if ( ! method_exists( 'GFForms', 'include_feed_addon_framework' ) ) {
+			return;
+		}
+
+		if ( ! class_exists( 'Gravity_Flow_EDD_SL_Plugin_Updater' ) ) {
+			include( dirname( __FILE__ ) . '/includes/EDD_SL_Plugin_Updater.php' );
+		}
+
+		if ( ! class_exists( 'Gravity_Flow_API' ) ) {
+			include( dirname( __FILE__ ) . '/includes/class-api.php' );
+		}
+
+		if ( ! class_exists( 'Gravity_Flow_Web_API' ) ) {
+			include( dirname( __FILE__ ) . '/includes/class-web-api.php' );
+		}
+
+		if ( ! class_exists( 'Gravity_Flow_REST_API' ) ) {
+			include( dirname( __FILE__ ) . '/includes/class-rest-api.php' );
+		}
+
+		if ( ! class_exists( 'Gravity_Flow_Extension' ) ) {
+			include( dirname( __FILE__ ) . '/includes/class-extension.php' );
+		}
+
+		if ( ! class_exists( 'Gravity_Flow_Feed_Extension' ) ) {
+			include( dirname( __FILE__ ) . '/includes/class-feed-extension.php' );
+		}
+
+		if ( class_exists( 'GravityView_Field' ) ) {
+			include( dirname( __FILE__ ) . '/includes/class-gravityview-detail-link.php' );
+		}
+
+		require_once( dirname( __FILE__ ) . '/includes/class-common.php' );
+
+		require_once( 'includes/class-connected-apps.php' );
+		require_once( 'class-gravity-flow.php' );
+		require_once( 'includes/models/class-activity.php' );
+		require_once( 'includes/integrations/class-gp-nested-forms.php' );
+
+		self::include_assignees();
+		self::include_steps();
+		self::include_fields();
+		self::include_merge_tags();
+
+		GFAddOn::register( 'Gravity_Flow' );
+		do_action( 'gravityflow_loaded' );
+	}
+
+	/**
+	 * Includes the assignee classes.
+	 */
+	public static function include_assignees() {
+		require_once( dirname( __FILE__ ) . '/includes/assignees/class-assignees.php' );
+		require_once( dirname( __FILE__ ) . '/includes/assignees/class-assignee.php' );
+	}
+
+	/**
+	 * Includes the step classes.
+	 */
+	public static function include_steps() {
+		require_once( dirname( __FILE__ ) . '/includes/steps/class-step.php' );
+		require_once( dirname( __FILE__ ) . '/includes/steps/class-steps.php' );
+		require_once( dirname( __FILE__ ) . '/includes/steps/class-step-feed-add-on.php' );
+
+		foreach ( glob( dirname( __FILE__ ) . '/includes/steps/class-step-*.php' ) as $gravity_flow_filename ) {
+			require_once( $gravity_flow_filename );
+		}
+	}
+
+	/**
+	 * Includes the field classes.
+	 */
+	public static function include_fields() {
+		require_once( dirname( __FILE__ ) . '/includes/fields/class-fields.php' );
+
+		foreach ( glob( dirname( __FILE__ ) . '/includes/fields/class-field-*.php' ) as $gravity_flow_filename ) {
+			require_once( $gravity_flow_filename );
+		}
+	}
+
+	/**
+	 * Includes the merge tag classes.
+	 */
+	public static function include_merge_tags() {
+		require_once( dirname( __FILE__ ) . '/includes/merge-tags/class-merge-tag.php' );
+		require_once( dirname( __FILE__ ) . '/includes/merge-tags/class-merge-tags.php' );
+
+		foreach ( glob( dirname( __FILE__ ) . '/includes/merge-tags/class-merge-tag-*.php' ) as $gravity_flow_filename ) {
+			require_once( $gravity_flow_filename );
+		}
+	}
+
+}
+
+/**
+ * Returns an instance of the Gravity_Flow class.
+ *
+ * @return Gravity_Flow|null
+ */
+function gravity_flow() {
+	if ( class_exists( 'Gravity_Flow' ) ) {
+		return Gravity_Flow::get_instance();
+	}
+
+	return null;
+}
+
+add_action( 'init', 'gravityflow_edd_plugin_updater', 0 );
+
+/**
+ * Initialize the EDD plugin updater.
+ */
+function gravityflow_edd_plugin_updater() {
+
+	$gravity_flow = gravity_flow();
+	if ( $gravity_flow ) {
+
+		if ( defined( 'GRAVITY_FLOW_LICENSE_KEY' ) ) {
+			$license_key = GRAVITY_FLOW_LICENSE_KEY;
+		} else {
+			$settings = gravity_flow()->get_app_settings();
+
+			$license_key = trim( rgar( $settings, 'license_key' ) );
+		}
+
+		new Gravity_Flow_EDD_SL_Plugin_Updater( GRAVITY_FLOW_EDD_STORE_URL, __FILE__, array(
+			'version'   => GRAVITY_FLOW_VERSION,
+			'license'   => $license_key,
+			'item_name' => GRAVITY_FLOW_EDD_ITEM_NAME,
+			'author'    => 'Steven Henty',
+		) );
+	}
+
+}
+