AyeCode / invoicing

includes/admin/class-getpaid-admin-setup-wizard.php

Indentation +370 added lines, -370 removed lines

@@ -17,382 +17,382 @@
  */
 class GetPaid_Admin_Setup_Wizard {
 
-	/**
-	 * @var string Current Step
-	 */
-	protected $step = '';
-
-	/**
-	 * @var string|false Previous Step
-	 */
-	protected $previous_step = '';
-
-	/**
-	 * @var string|false Next Step
-	 */
-	protected $next_step = '';
-
-	/**
-	 * @var array All available steps for the setup wizard 
-	 */
-	protected $steps = array();
-
-	/**
-	 * Class constructor.
-	 *
-	 * @since 2.4.0
-	 */
-	public function __construct() {
-
-		if ( apply_filters( 'getpaid_enable_setup_wizard', true ) && wpinv_current_user_can_manage_invoicing() ) {
-			add_action( 'admin_menu', array( $this, 'add_menu' ) );
-			add_action( 'current_screen', array( $this, 'setup_wizard' ) );
-		}
-
-	}
-
-	/**
-	 * Add admin menus/screens.
-	 *
-	 * @since 2.4.0
-	 */
-	public function add_menu() {
-		add_dashboard_page( '', '', wpinv_get_capability(), 'gp-setup', '' );
-	}
-
-	/**
-	 * Sets up the setup wizard.
-	 *
-	 * @since 2.4.0
-	 */
-	public function setup_wizard() {
-
-		if ( isset( $_GET['page'] ) && 'gp-setup' === $_GET['page'] ) {
-			$this->setup_globals();
-			$this->maybe_save_current_step();
-			$this->display_wizard();
-			exit;
-		}
-
-	}
-
-	/**
-	 * Sets up class variables.
-	 *
-	 * @since 2.4.0
-	 */
-	protected function setup_globals() {
-		$this->steps         = $this->get_setup_steps();
-		$this->step          = $this->get_current_step();
-		$this->previous_step = $this->get_previous_step();
-		$this->next_step     = $this->get_next_step();
-	}
-
-	/**
-	 * Saves the current step.
-	 *
-	 * @since 2.4.0
-	 */
-	protected function maybe_save_current_step() {
-		if ( ! empty( $_POST['save_step'] ) && is_callable( $this->steps[ $this->step ]['handler'] ) ) {
-			call_user_func( $this->steps[ $this->step ]['handler'], $this );
-		}
-	}
-
-	/**
-	 * Returns the setup steps.
-	 *
-	 * @since 2.4.0
-	 * @return array
-	 */
-	protected function get_setup_steps() {
-
-		$steps = array(
-
-			'introduction'     => array(
-				'name'    => __( 'Introduction', 'invoicing' ),
-				'view'    => array( $this, 'setup_introduction' ),
-				'handler' => '',
-			),
-
-			'business_details'             => array(
-				'name'    => __( "Business Details", 'invoicing' ),
-				'view'    => array( $this, 'setup_business' ),
-				'handler' => '',
-			),
-
-			'currency' => array(
-				'name'    => __( 'Currency', 'invoicing' ),
-				'view'    => array( $this, 'setup_currency' ),
-				'handler' => '',
-			),
-
-			'payments'        => array(
-				'name'    => __( 'Payment Gateways', 'invoicing' ),
-				'view'    => array( $this, 'setup_payments' ),
-				'handler' => array( $this, 'setup_payments_save' ),
-			),
-
-			'recommend'          => array(
-				'name'    => __( 'Recommend', 'invoicing' ),
-				'view'    => array( $this, 'setup_recommend' ),
-				'handler' => '',
-			),
-
-			'next_steps'       => array(
-				'name'    => __( 'Get Paid', 'invoicing' ),
-				'view'    => array( $this, 'setup_ready' ),
-				'handler' => '',
-			),
-
-		);
-
-		return apply_filters( 'getpaid_setup_wizard_steps', $steps );
-
-	}
-
-	/**
-	 * Returns the current step.
-	 *
-	 * @since 2.4.0
-	 * @return string
-	 */
-	protected function get_current_step() {
-		$step = isset( $_GET['step'] ) ? sanitize_key( $_GET['step'] ) : '';
-		return ! empty( $step ) && in_array( $step, array_keys( $this->steps ) ) ? $step : current( array_keys( $this->steps ) );
-	}
-
-	/**
-	 * Returns the previous step.
-	 *
-	 * @since 2.4.0
-	 * @return string|false
-	 */
-	protected function get_previous_step() {
-
-		$previous = false;
-		$current  = $this->step;
-		foreach ( array_keys( $this->steps ) as $step ) {
-			if ( $current === $step ) {
-				return $previous;
-			}
-
-			$previous = $step;
-		}
-
-		return false;
-	}
-
-	/**
-	 * Returns the next step.
-	 *
-	 * @since 2.4.0
-	 * @return string|false
-	 */
-	protected function get_next_step() {
-
-		$on_current = false;
-		$current    = $this->step;
-		foreach ( array_keys( $this->steps ) as $step ) {
-
-			if ( $on_current ) {
-				return $step;
-			}
-
-			if ( $current === $step ) {
-				return $on_current = true;
-			}
-
-		}
-
-		return false;
-	}
-
-	/**
-	 * Displays the setup wizard.
-	 *
-	 * @since 2.4.0
-	 */
-	public function display_wizard() {
-		$this->display_header();
-		$this->display_current_step();
-		$this->display_footer();
-	}
-
-	/**
-	 * Displays the Wizard Header.
-	 *
-	 * @since 2.0.0
-	 */
-	public function display_header() {
-		$steps     = $this->steps;
-		$current   = $this->step;
-		$next_step = $this->next_step;
-		array_shift( $steps );
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-header.php';
-	}
-
-	/**
-	 * Displays the content for the current step.
-	 *
-	 * @since 2.4.0
-	 */
-	public function display_current_step() {
-		?>
+    /**
+     * @var string Current Step
+     */
+    protected $step = '';
+
+    /**
+     * @var string|false Previous Step
+     */
+    protected $previous_step = '';
+
+    /**
+     * @var string|false Next Step
+     */
+    protected $next_step = '';
+
+    /**
+     * @var array All available steps for the setup wizard 
+     */
+    protected $steps = array();
+
+    /**
+     * Class constructor.
+     *
+     * @since 2.4.0
+     */
+    public function __construct() {
+
+        if ( apply_filters( 'getpaid_enable_setup_wizard', true ) && wpinv_current_user_can_manage_invoicing() ) {
+            add_action( 'admin_menu', array( $this, 'add_menu' ) );
+            add_action( 'current_screen', array( $this, 'setup_wizard' ) );
+        }
+
+    }
+
+    /**
+     * Add admin menus/screens.
+     *
+     * @since 2.4.0
+     */
+    public function add_menu() {
+        add_dashboard_page( '', '', wpinv_get_capability(), 'gp-setup', '' );
+    }
+
+    /**
+     * Sets up the setup wizard.
+     *
+     * @since 2.4.0
+     */
+    public function setup_wizard() {
+
+        if ( isset( $_GET['page'] ) && 'gp-setup' === $_GET['page'] ) {
+            $this->setup_globals();
+            $this->maybe_save_current_step();
+            $this->display_wizard();
+            exit;
+        }
+
+    }
+
+    /**
+     * Sets up class variables.
+     *
+     * @since 2.4.0
+     */
+    protected function setup_globals() {
+        $this->steps         = $this->get_setup_steps();
+        $this->step          = $this->get_current_step();
+        $this->previous_step = $this->get_previous_step();
+        $this->next_step     = $this->get_next_step();
+    }
+
+    /**
+     * Saves the current step.
+     *
+     * @since 2.4.0
+     */
+    protected function maybe_save_current_step() {
+        if ( ! empty( $_POST['save_step'] ) && is_callable( $this->steps[ $this->step ]['handler'] ) ) {
+            call_user_func( $this->steps[ $this->step ]['handler'], $this );
+        }
+    }
+
+    /**
+     * Returns the setup steps.
+     *
+     * @since 2.4.0
+     * @return array
+     */
+    protected function get_setup_steps() {
+
+        $steps = array(
+
+            'introduction'     => array(
+                'name'    => __( 'Introduction', 'invoicing' ),
+                'view'    => array( $this, 'setup_introduction' ),
+                'handler' => '',
+            ),
+
+            'business_details'             => array(
+                'name'    => __( "Business Details", 'invoicing' ),
+                'view'    => array( $this, 'setup_business' ),
+                'handler' => '',
+            ),
+
+            'currency' => array(
+                'name'    => __( 'Currency', 'invoicing' ),
+                'view'    => array( $this, 'setup_currency' ),
+                'handler' => '',
+            ),
+
+            'payments'        => array(
+                'name'    => __( 'Payment Gateways', 'invoicing' ),
+                'view'    => array( $this, 'setup_payments' ),
+                'handler' => array( $this, 'setup_payments_save' ),
+            ),
+
+            'recommend'          => array(
+                'name'    => __( 'Recommend', 'invoicing' ),
+                'view'    => array( $this, 'setup_recommend' ),
+                'handler' => '',
+            ),
+
+            'next_steps'       => array(
+                'name'    => __( 'Get Paid', 'invoicing' ),
+                'view'    => array( $this, 'setup_ready' ),
+                'handler' => '',
+            ),
+
+        );
+
+        return apply_filters( 'getpaid_setup_wizard_steps', $steps );
+
+    }
+
+    /**
+     * Returns the current step.
+     *
+     * @since 2.4.0
+     * @return string
+     */
+    protected function get_current_step() {
+        $step = isset( $_GET['step'] ) ? sanitize_key( $_GET['step'] ) : '';
+        return ! empty( $step ) && in_array( $step, array_keys( $this->steps ) ) ? $step : current( array_keys( $this->steps ) );
+    }
+
+    /**
+     * Returns the previous step.
+     *
+     * @since 2.4.0
+     * @return string|false
+     */
+    protected function get_previous_step() {
+
+        $previous = false;
+        $current  = $this->step;
+        foreach ( array_keys( $this->steps ) as $step ) {
+            if ( $current === $step ) {
+                return $previous;
+            }
+
+            $previous = $step;
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns the next step.
+     *
+     * @since 2.4.0
+     * @return string|false
+     */
+    protected function get_next_step() {
+
+        $on_current = false;
+        $current    = $this->step;
+        foreach ( array_keys( $this->steps ) as $step ) {
+
+            if ( $on_current ) {
+                return $step;
+            }
+
+            if ( $current === $step ) {
+                return $on_current = true;
+            }
+
+        }
+
+        return false;
+    }
+
+    /**
+     * Displays the setup wizard.
+     *
+     * @since 2.4.0
+     */
+    public function display_wizard() {
+        $this->display_header();
+        $this->display_current_step();
+        $this->display_footer();
+    }
+
+    /**
+     * Displays the Wizard Header.
+     *
+     * @since 2.0.0
+     */
+    public function display_header() {
+        $steps     = $this->steps;
+        $current   = $this->step;
+        $next_step = $this->next_step;
+        array_shift( $steps );
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-header.php';
+    }
+
+    /**
+     * Displays the content for the current step.
+     *
+     * @since 2.4.0
+     */
+    public function display_current_step() {
+        ?>
 			<div class="gp-setup-content rowx mw-100 text-center mb-3">
 				<div class="col-12 col-md-5 m-auto">
 					<?php call_user_func( $this->steps[ $this->step ]['view'], $this ); ?>
 				</div>
 			</div>
 		<?php
-	}
-
-	/**
-	 * Setup Wizard Footer.
-	 *
-	 * @since 2.4.0
-	 */
-	public function display_footer() {
-		echo '</body></html>';
-	}
-
-	/**
-	 * Introduction step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_introduction() {
-		$next_url = $this->get_next_step_link();
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-introduction.php';
-	}
-
-	/**
-	 * Get the URL for the next step's screen.
-	 *
-	 * @param string step   slug (default: current step)
-	 *
-	 * @return string       URL for next step if a next step exists.
-	 *                      Admin URL if it's the last step.
-	 *                      Empty string on failure.
-	 * @since 3.0.0
-	 */
-	public function get_next_step_link( $step = '' ) {
-		if ( ! $step ) {
-			$step = $this->step;
-		}
-
-		$keys = array_keys( $this->steps );
-		if ( end( $keys ) === $step ) {
-			return admin_url();
-		}
-
-		$step_index = array_search( $step, $keys );
-		if ( false === $step_index ) {
-			return '';
-		}
-
-		return remove_query_arg('settings-updated', add_query_arg( 'step', $keys[ $step_index + 1 ] ));
-	}
-
-	/**
-	 * Setup maps api.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_business() {
-		$next_url = $this->get_next_step_link();
-		$wizard   = $this;
-		$page     = 'wpinv_settings_general_main';
-		$section  = 'wpinv_settings_general_main';
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
-	}
-
-	/**
-	 * Default Location settings.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_currency() {
-		$next_url = $this->get_next_step_link();
-		$wizard   = $this;
-		$page     = 'wpinv_settings_general_currency_section';
-		$section  = 'wpinv_settings_general_currency_section';
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
-	}
-
-	/**
-	 * Installation of recommended plugins.
-	 *
-	 * @since 1.0.0
-	 */
-	public function setup_recommend() {
-		$next_url            = $this->get_next_step_link();
-		$recommended_plugins = self::get_recommend_wp_plugins();
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-plugins.php';
-	}
-
-	/**
-	 * A list of recommended wp.org plugins.
-	 * @return array
-	 */
-	public static function get_recommend_wp_plugins(){
-		return array(
-			'ayecode-connect' => array(
-				'file'   => 'ayecode-connect/ayecode-connect.php',
-				'url'    => 'https://wordpress.org/plugins/ayecode-connect/',
-				'slug'   => 'ayecode-connect',
-				'name'   => 'AyeCode Connect',
-				'desc'   => __( 'Documentation and Support from within your WordPress admin.', 'geodirectory' ),
-			),
-			'invoicing-quotes' => array(
-				'file'   => 'invoicing-quotes/wpinv-quote.php',
-				'url'    => 'https://wordpress.org/plugins/invoicing-quotes/',
-				'slug'   => 'invoicing-quotes',
-				'name'   => 'Customer Quotes',
-				'desc'   => __('Create & Send Quotes to Customers and have them accept and pay.','geodirectory'),
-			),
-			'userswp'    => array(
-				'file'   => 'userswp/userswp.php',
-				'url'    => 'https://wordpress.org/plugins/userswp/',
-				'slug'   => 'userswp',
-				'name'   => 'UsersWP',
-				'desc'   => __('Frontend user login and registration as well as slick profile pages.','geodirectory'),
-			),
-		);
-	}
-
-	/**
-	 * Dummy Data setup.
-	 *
-	 * @since 2.4.0
-	 */
-	public function setup_payments() {
-		$next_url = $this->get_next_step_link();
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-gateways.php';
-	}
-
-	/**
-	 * Dummy data save.
-	 *
-	 * This is done via ajax so we just pass onto the next step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_payments_save() {
-		check_admin_referer( 'getpaid-setup-wizard', 'getpaid-setup-wizard' );
-		wpinv_update_option( 'manual_active', ! empty( $_POST['enable-manual-gateway'] ) );
-		wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
-		exit;
-	}
-
-	/**
-	 * Final step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_ready() {
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-thank-you.php';
-	}
+    }
+
+    /**
+     * Setup Wizard Footer.
+     *
+     * @since 2.4.0
+     */
+    public function display_footer() {
+        echo '</body></html>';
+    }
+
+    /**
+     * Introduction step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_introduction() {
+        $next_url = $this->get_next_step_link();
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-introduction.php';
+    }
+
+    /**
+     * Get the URL for the next step's screen.
+     *
+     * @param string step   slug (default: current step)
+     *
+     * @return string       URL for next step if a next step exists.
+     *                      Admin URL if it's the last step.
+     *                      Empty string on failure.
+     * @since 3.0.0
+     */
+    public function get_next_step_link( $step = '' ) {
+        if ( ! $step ) {
+            $step = $this->step;
+        }
+
+        $keys = array_keys( $this->steps );
+        if ( end( $keys ) === $step ) {
+            return admin_url();
+        }
+
+        $step_index = array_search( $step, $keys );
+        if ( false === $step_index ) {
+            return '';
+        }
+
+        return remove_query_arg('settings-updated', add_query_arg( 'step', $keys[ $step_index + 1 ] ));
+    }
+
+    /**
+     * Setup maps api.
+     *
+     * @since 2.0.0
+     */
+    public function setup_business() {
+        $next_url = $this->get_next_step_link();
+        $wizard   = $this;
+        $page     = 'wpinv_settings_general_main';
+        $section  = 'wpinv_settings_general_main';
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
+    }
+
+    /**
+     * Default Location settings.
+     *
+     * @since 2.0.0
+     */
+    public function setup_currency() {
+        $next_url = $this->get_next_step_link();
+        $wizard   = $this;
+        $page     = 'wpinv_settings_general_currency_section';
+        $section  = 'wpinv_settings_general_currency_section';
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
+    }
+
+    /**
+     * Installation of recommended plugins.
+     *
+     * @since 1.0.0
+     */
+    public function setup_recommend() {
+        $next_url            = $this->get_next_step_link();
+        $recommended_plugins = self::get_recommend_wp_plugins();
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-plugins.php';
+    }
+
+    /**
+     * A list of recommended wp.org plugins.
+     * @return array
+     */
+    public static function get_recommend_wp_plugins(){
+        return array(
+            'ayecode-connect' => array(
+                'file'   => 'ayecode-connect/ayecode-connect.php',
+                'url'    => 'https://wordpress.org/plugins/ayecode-connect/',
+                'slug'   => 'ayecode-connect',
+                'name'   => 'AyeCode Connect',
+                'desc'   => __( 'Documentation and Support from within your WordPress admin.', 'geodirectory' ),
+            ),
+            'invoicing-quotes' => array(
+                'file'   => 'invoicing-quotes/wpinv-quote.php',
+                'url'    => 'https://wordpress.org/plugins/invoicing-quotes/',
+                'slug'   => 'invoicing-quotes',
+                'name'   => 'Customer Quotes',
+                'desc'   => __('Create & Send Quotes to Customers and have them accept and pay.','geodirectory'),
+            ),
+            'userswp'    => array(
+                'file'   => 'userswp/userswp.php',
+                'url'    => 'https://wordpress.org/plugins/userswp/',
+                'slug'   => 'userswp',
+                'name'   => 'UsersWP',
+                'desc'   => __('Frontend user login and registration as well as slick profile pages.','geodirectory'),
+            ),
+        );
+    }
+
+    /**
+     * Dummy Data setup.
+     *
+     * @since 2.4.0
+     */
+    public function setup_payments() {
+        $next_url = $this->get_next_step_link();
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-gateways.php';
+    }
+
+    /**
+     * Dummy data save.
+     *
+     * This is done via ajax so we just pass onto the next step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_payments_save() {
+        check_admin_referer( 'getpaid-setup-wizard', 'getpaid-setup-wizard' );
+        wpinv_update_option( 'manual_active', ! empty( $_POST['enable-manual-gateway'] ) );
+        wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
+        exit;
+    }
+
+    /**
+     * Final step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_ready() {
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-thank-you.php';
+    }
 
 }
 

includes/admin/class-getpaid-admin.php

Indentation +535 added lines, -535 removed lines

@@ -14,89 +14,89 @@ 
 class GetPaid_Admin {
 
     /**
-	 * Local path to this plugins admin directory
-	 *
-	 * @var         string
-	 */
-	public $admin_path;
-
-	/**
-	 * Web path to this plugins admin directory
-	 *
-	 * @var         string
-	 */
-	public $admin_url;
+     * Local path to this plugins admin directory
+     *
+     * @var         string
+     */
+    public $admin_path;
+
+    /**
+     * Web path to this plugins admin directory
+     *
+     * @var         string
+     */
+    public $admin_url;
 	
-	/**
-	 * Reports components.
-	 *
-	 * @var GetPaid_Reports
-	 */
+    /**
+     * Reports components.
+     *
+     * @var GetPaid_Reports
+     */
     public $reports;
 
     /**
-	 * Class constructor.
-	 */
-	public function __construct(){
+     * Class constructor.
+     */
+    public function __construct(){
 
         $this->admin_path  = plugin_dir_path( __FILE__ );
-		$this->admin_url   = plugins_url( '/', __FILE__ );
-		$this->reports     = new GetPaid_Reports();
+        $this->admin_url   = plugins_url( '/', __FILE__ );
+        $this->reports     = new GetPaid_Reports();
 
         if ( is_admin() ) {
-			$this->init_admin_hooks();
+            $this->init_admin_hooks();
         }
 
     }
 
     /**
-	 * Init action and filter hooks
-	 *
-	 */
-	private function init_admin_hooks() {
+     * Init action and filter hooks
+     *
+     */
+    private function init_admin_hooks() {
         add_action( 'admin_enqueue_scripts', array( $this, 'enqeue_scripts' ) );
         add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
         add_action( 'admin_init', array( $this, 'init_ayecode_connect_helper' ) );
         add_action( 'admin_init', array( $this, 'activation_redirect') );
         add_action( 'admin_init', array( $this, 'maybe_do_admin_action') );
-		add_action( 'admin_notices', array( $this, 'show_notices' ) );
-		add_action( 'getpaid_authenticated_admin_action_rate_plugin', array( $this, 'redirect_to_wordpress_rating_page' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
+        add_action( 'admin_notices', array( $this, 'show_notices' ) );
+        add_action( 'getpaid_authenticated_admin_action_rate_plugin', array( $this, 'redirect_to_wordpress_rating_page' ) );
+        add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
+        add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
         add_action( 'getpaid_authenticated_admin_action_reset_tax_rates', array( $this, 'admin_reset_tax_rates' ) );
-		add_action( 'getpaid_authenticated_admin_action_create_missing_pages', array( $this, 'admin_create_missing_pages' ) );
-		add_action( 'getpaid_authenticated_admin_action_create_missing_tables', array( $this, 'admin_create_missing_tables' ) );
-		add_action( 'getpaid_authenticated_admin_action_migrate_old_invoices', array( $this, 'admin_migrate_old_invoices' ) );
-		add_action( 'getpaid_authenticated_admin_action_download_customers', array( $this, 'admin_download_customers' ) );
-		add_action( 'getpaid_authenticated_admin_action_recalculate_discounts', array( $this, 'admin_recalculate_discounts' ) );
-		add_action( 'getpaid_authenticated_admin_action_install_plugin', array( $this, 'admin_install_plugin' ) );
-		add_action( 'getpaid_authenticated_admin_action_connect_gateway', array( $this, 'admin_connect_gateway' ) );
-		add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ) );
-		do_action( 'getpaid_init_admin_hooks', $this );
-
-		// Setup/welcome
-		if ( ! empty( $_GET['page'] ) ) {
-			switch ( $_GET['page'] ) {
-				case 'gp-setup' :
-					include_once( dirname( __FILE__ ) . '/class-getpaid-admin-setup-wizard.php' );
-					break;
-			}
-		}
+        add_action( 'getpaid_authenticated_admin_action_create_missing_pages', array( $this, 'admin_create_missing_pages' ) );
+        add_action( 'getpaid_authenticated_admin_action_create_missing_tables', array( $this, 'admin_create_missing_tables' ) );
+        add_action( 'getpaid_authenticated_admin_action_migrate_old_invoices', array( $this, 'admin_migrate_old_invoices' ) );
+        add_action( 'getpaid_authenticated_admin_action_download_customers', array( $this, 'admin_download_customers' ) );
+        add_action( 'getpaid_authenticated_admin_action_recalculate_discounts', array( $this, 'admin_recalculate_discounts' ) );
+        add_action( 'getpaid_authenticated_admin_action_install_plugin', array( $this, 'admin_install_plugin' ) );
+        add_action( 'getpaid_authenticated_admin_action_connect_gateway', array( $this, 'admin_connect_gateway' ) );
+        add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ) );
+        do_action( 'getpaid_init_admin_hooks', $this );
+
+        // Setup/welcome
+        if ( ! empty( $_GET['page'] ) ) {
+            switch ( $_GET['page'] ) {
+                case 'gp-setup' :
+                    include_once( dirname( __FILE__ ) . '/class-getpaid-admin-setup-wizard.php' );
+                    break;
+            }
+        }
 
     }
 
     /**
-	 * Register admin scripts
-	 *
-	 */
-	public function enqeue_scripts() {
+     * Register admin scripts
+     *
+     */
+    public function enqeue_scripts() {
         global $current_screen, $pagenow;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
-		$editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
+        $page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         // General styles.
@@ -117,54 +117,54 @@ 
         }
 
         // Payment form scripts.
-		if ( 'wpi_payment_form' == $page && $editing ) {
+        if ( 'wpi_payment_form' == $page && $editing ) {
             $this->load_payment_form_scripts();
         }
 
-		if ( $page == 'wpinv-subscriptions' ) {
-			wp_enqueue_script( 'postbox' );
-		}
+        if ( $page == 'wpinv-subscriptions' ) {
+            wp_enqueue_script( 'postbox' );
+        }
 
     }
 
     /**
-	 * Returns admin js translations.
-	 *
-	 */
-	protected function get_admin_i18() {
+     * Returns admin js translations.
+     *
+     */
+    protected function get_admin_i18() {
         global $post;
 
-		$date_range = array(
-			'period' => isset( $_GET['date_range'] ) ? sanitize_text_field( $_GET['date_range'] ) : '7_days'
-		);
+        $date_range = array(
+            'period' => isset( $_GET['date_range'] ) ? sanitize_text_field( $_GET['date_range'] ) : '7_days'
+        );
 
-		if ( $date_range['period'] == 'custom' ) {
+        if ( $date_range['period'] == 'custom' ) {
 			
-			if ( isset( $_GET['from'] ) ) {
-				$date_range[ 'after' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['from'] ), current_time( 'timestamp' ) ) - DAY_IN_SECONDS );
-			}
+            if ( isset( $_GET['from'] ) ) {
+                $date_range[ 'after' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['from'] ), current_time( 'timestamp' ) ) - DAY_IN_SECONDS );
+            }
 
-			if ( isset( $_GET['to'] ) ) {
-				$date_range[ 'before' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['to'] ), current_time( 'timestamp' ) ) + DAY_IN_SECONDS );
-			}
+            if ( isset( $_GET['to'] ) ) {
+                $date_range[ 'before' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['to'] ), current_time( 'timestamp' ) ) + DAY_IN_SECONDS );
+            }
 
-		}
+        }
 
         $i18n = array(
             'ajax_url'                  => admin_url( 'admin-ajax.php' ),
             'post_ID'                   => isset( $post->ID ) ? $post->ID : '',
-			'wpinv_nonce'               => wp_create_nonce( 'wpinv-nonce' ),
-			'rest_nonce'                => wp_create_nonce( 'wp_rest' ),
-			'rest_root'                 => esc_url_raw( rest_url() ),
-			'date_range'                => $date_range,
+            'wpinv_nonce'               => wp_create_nonce( 'wpinv-nonce' ),
+            'rest_nonce'                => wp_create_nonce( 'wp_rest' ),
+            'rest_root'                 => esc_url_raw( rest_url() ),
+            'date_range'                => $date_range,
             'add_invoice_note_nonce'    => wp_create_nonce( 'add-invoice-note' ),
             'delete_invoice_note_nonce' => wp_create_nonce( 'delete-invoice-note' ),
             'invoice_item_nonce'        => wp_create_nonce( 'invoice-item' ),
             'billing_details_nonce'     => wp_create_nonce( 'get-billing-details' ),
             'tax'                       => wpinv_tax_amount(),
             'discount'                  => 0,
-			'currency_symbol'           => wpinv_currency_symbol(),
-			'currency'                  => wpinv_get_currency(),
+            'currency_symbol'           => wpinv_currency_symbol(),
+            'currency'                  => wpinv_get_currency(),
             'currency_pos'              => wpinv_currency_position(),
             'thousand_sep'              => wpinv_thousands_separator(),
             'decimal_sep'               => wpinv_decimal_separator(),
@@ -184,118 +184,118 @@ 
             'item_description'          => __( 'Item Description', 'invoicing' ),
             'invoice_description'       => __( 'Invoice Description', 'invoicing' ),
             'discount_description'      => __( 'Discount Description', 'invoicing' ),
-			'searching'                 => __( 'Searching', 'invoicing' ),
-			'loading'                   => __( 'Loading...', 'invoicing' ),
-			'search_customers'          => __( 'Enter customer name or email', 'invoicing' ),
-			'search_items'              => __( 'Enter item name', 'invoicing' ),
+            'searching'                 => __( 'Searching', 'invoicing' ),
+            'loading'                   => __( 'Loading...', 'invoicing' ),
+            'search_customers'          => __( 'Enter customer name or email', 'invoicing' ),
+            'search_items'              => __( 'Enter item name', 'invoicing' ),
         );
 
-		if ( ! empty( $post ) && getpaid_is_invoice_post_type( $post->post_type ) ) {
+        if ( ! empty( $post ) && getpaid_is_invoice_post_type( $post->post_type ) ) {
 
-			$invoice              = new WPInv_Invoice( $post );
-			$i18n['save_invoice'] = sprintf(
-				__( 'Save %s', 'invoicing' ),
-				ucfirst( $invoice->get_invoice_quote_type() )
-			);
+            $invoice              = new WPInv_Invoice( $post );
+            $i18n['save_invoice'] = sprintf(
+                __( 'Save %s', 'invoicing' ),
+                ucfirst( $invoice->get_invoice_quote_type() )
+            );
 
-			$i18n['invoice_description'] = sprintf(
-				__( '%s Description', 'invoicing' ),
-				ucfirst( $invoice->get_invoice_quote_type() )
-			);
+            $i18n['invoice_description'] = sprintf(
+                __( '%s Description', 'invoicing' ),
+                ucfirst( $invoice->get_invoice_quote_type() )
+            );
 
-		}
-		return $i18n;
-	}
+        }
+        return $i18n;
+    }
 
-	/**
-	 * Change the admin footer text on GetPaid admin pages.
-	 *
-	 * @since  2.0.0
-	 * @param  string $footer_text
-	 * @return string
-	 */
-	public function admin_footer_text( $footer_text ) {
-		global $current_screen;
+    /**
+     * Change the admin footer text on GetPaid admin pages.
+     *
+     * @since  2.0.0
+     * @param  string $footer_text
+     * @return string
+     */
+    public function admin_footer_text( $footer_text ) {
+        global $current_screen;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         // General styles.
         if ( apply_filters( 'getpaid_display_admin_footer_text', wpinv_current_user_can_manage_invoicing() ) && false !== stripos( $page, 'wpi' ) ) {
 
-			// Change the footer text
-			if ( ! get_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', true ) ) {
-
-				$rating_url  = esc_url(
-					wp_nonce_url(
-						admin_url( 'admin.php?page=wpinv-reports&getpaid-admin-action=rate_plugin' ),
-						'getpaid-nonce',
-						'getpaid-nonce'
-						)
-				);
-
-				$footer_text = sprintf(
-					/* translators: %s: five stars */
-					__( 'If you like <strong>GetPaid</strong>, please leave us a %s rating. A huge thanks in advance!', 'invoicing' ),
-					"<a href='$rating_url'>&#9733;&#9733;&#9733;&#9733;&#9733;</a>"
-				);
-
-			} else {
-
-				$footer_text = sprintf(
-					/* translators: %s: GetPaid */
-					__( 'Thank you for using %s!', 'invoicing' ),
-					"<a href='https://wpgetpaid.com/' target='_blank'><strong>GetPaid</strong></a>"
-				);
-
-			}
-
-		}
-
-		return $footer_text;
-	}
-
-	/**
-	 * Redirects to wp.org to rate the plugin.
-	 *
-	 * @since  2.0.0
-	 */
-	public function redirect_to_wordpress_rating_page() {
-		update_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', 1 );
-		wp_redirect( 'https://wordpress.org/support/plugin/invoicing/reviews?rate=5#new-post' );
-		exit;
-	}
-
-    /**
-	 * Loads payment form js.
-	 *
-	 */
-	protected function load_payment_form_scripts() {
+            // Change the footer text
+            if ( ! get_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', true ) ) {
+
+                $rating_url  = esc_url(
+                    wp_nonce_url(
+                        admin_url( 'admin.php?page=wpinv-reports&getpaid-admin-action=rate_plugin' ),
+                        'getpaid-nonce',
+                        'getpaid-nonce'
+                        )
+                );
+
+                $footer_text = sprintf(
+                    /* translators: %s: five stars */
+                    __( 'If you like <strong>GetPaid</strong>, please leave us a %s rating. A huge thanks in advance!', 'invoicing' ),
+                    "<a href='$rating_url'>&#9733;&#9733;&#9733;&#9733;&#9733;</a>"
+                );
+
+            } else {
+
+                $footer_text = sprintf(
+                    /* translators: %s: GetPaid */
+                    __( 'Thank you for using %s!', 'invoicing' ),
+                    "<a href='https://wpgetpaid.com/' target='_blank'><strong>GetPaid</strong></a>"
+                );
+
+            }
+
+        }
+
+        return $footer_text;
+    }
+
+    /**
+     * Redirects to wp.org to rate the plugin.
+     *
+     * @since  2.0.0
+     */
+    public function redirect_to_wordpress_rating_page() {
+        update_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', 1 );
+        wp_redirect( 'https://wordpress.org/support/plugin/invoicing/reviews?rate=5#new-post' );
+        exit;
+    }
+
+    /**
+     * Loads payment form js.
+     *
+     */
+    protected function load_payment_form_scripts() {
         global $post;
 
         wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+        wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
+        wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-		wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
+        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
+        wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
 
-		wp_localize_script(
+        wp_localize_script(
             'wpinv-admin-payment-form-script',
             'wpinvPaymentFormAdmin',
             array(
-				'elements'      => wpinv_get_data( 'payment-form-elements' ),
-				'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
-				'currency'      => wpinv_currency_symbol(),
-				'position'      => wpinv_currency_position(),
-				'decimals'      => (int) wpinv_decimals(),
-				'thousands_sep' => wpinv_thousands_separator(),
-				'decimals_sep'  => wpinv_decimal_separator(),
-				'form_items'    => gepaid_get_form_items( $post->ID ),
-				'is_default'    => $post->ID == wpinv_get_default_payment_form(),
+                'elements'      => wpinv_get_data( 'payment-form-elements' ),
+                'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
+                'currency'      => wpinv_currency_symbol(),
+                'position'      => wpinv_currency_position(),
+                'decimals'      => (int) wpinv_decimals(),
+                'thousands_sep' => wpinv_thousands_separator(),
+                'decimals_sep'  => wpinv_decimal_separator(),
+                'form_items'    => gepaid_get_form_items( $post->ID ),
+                'is_default'    => $post->ID == wpinv_get_default_payment_form(),
             )
         );
 
@@ -304,20 +304,20 @@ 
     }
 
     /**
-	 * Add our classes to admin pages.
+     * Add our classes to admin pages.
      *
      * @param string $classes
      * @return string
-	 *
-	 */
+     *
+     */
     public function admin_body_class( $classes ) {
-		global $pagenow, $post, $current_screen;
+        global $pagenow, $post, $current_screen;
 
 
         $page = isset( $_GET['page'] ) ? $_GET['page'] : '';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         if ( false !== stripos( $page, 'wpi' ) ) {
@@ -326,59 +326,59 @@ 
 
         if ( in_array( $page, wpinv_parse_list( 'wpi_invoice wpi_payment_form wpi_quote' ) ) ) {
             $classes .= ' wpinv-cpt wpinv';
-		}
+        }
 		
-		if ( getpaid_is_invoice_post_type( $page ) ) {
+        if ( getpaid_is_invoice_post_type( $page ) ) {
             $classes .= ' getpaid-is-invoice-cpt';
         }
 
-		return $classes;
+        return $classes;
     }
 
     /**
-	 * Maybe show the AyeCode Connect Notice.
-	 */
-	public function init_ayecode_connect_helper(){
+     * Maybe show the AyeCode Connect Notice.
+     */
+    public function init_ayecode_connect_helper(){
 
         new AyeCode_Connect_Helper(
             array(
-				'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-				'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-				'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-				'connect_button'    => __("Connect Site","invoicing"),
-				'connecting_button'    => __("Connecting...","invoicing"),
-				'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-				'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+                'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
+                'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
+                'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
+                'connect_button'    => __("Connect Site","invoicing"),
+                'connecting_button'    => __("Connecting...","invoicing"),
+                'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
+                'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
             ),
             array( 'wpi-addons' )
         );
 
     }
 
-	/**
-	 * Redirect users to settings on activation.
-	 *
-	 * @return void
-	 */
-	public function activation_redirect() {
+    /**
+     * Redirect users to settings on activation.
+     *
+     * @return void
+     */
+    public function activation_redirect() {
 
-		$redirected = get_option( 'wpinv_redirected_to_settings' );
+        $redirected = get_option( 'wpinv_redirected_to_settings' );
 
-		if ( ! empty( $redirected ) || wp_doing_ajax() || ! current_user_can( 'manage_options' ) ) {
-			return;
-		}
+        if ( ! empty( $redirected ) || wp_doing_ajax() || ! current_user_can( 'manage_options' ) ) {
+            return;
+        }
 
-		// Bail if activating from network, or bulk
-		if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
-			return;
-		}
+        // Bail if activating from network, or bulk
+        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+            return;
+        }
 
-	    update_option( 'wpinv_redirected_to_settings', 1 );
+        update_option( 'wpinv_redirected_to_settings', 1 );
 
         wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
         exit;
 
-	}
+    }
 
     /**
      * Fires an admin action after verifying that a user can fire them.
@@ -392,458 +392,458 @@ 
 
     }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_invoice( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
+        $sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
 
-		if ( $sent ) {
-			$this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
-		} else {
-			$this->show_error( __( 'Could not send the invoice to the customer', 'invoicing' ) );
-		}
+        if ( $sent ) {
+            $this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
+        } else {
+            $this->show_error( __( 'Could not send the invoice to the customer', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_payment_reminder( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
+        $sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
 
-		if ( $sent ) {
-			$this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
-		} else {
-			$this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
-		}
+        if ( $sent ) {
+            $this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
+        } else {
+            $this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Resets tax rates.
-	 * 
+     * 
      */
     public function admin_reset_tax_rates() {
 
-		update_option( 'wpinv_tax_rates', wpinv_get_data( 'tax-rates' ) );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
+        update_option( 'wpinv_tax_rates', wpinv_get_data( 'tax-rates' ) );
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Resets admin pages.
-	 * 
+     * 
      */
     public function admin_create_missing_pages() {
-		$installer = new GetPaid_Installer();
-		$installer->create_pages();
-		$this->show_success( __( 'GetPaid pages updated.', 'invoicing' ) );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
-	}
-
-	/**
+        $installer = new GetPaid_Installer();
+        $installer->create_pages();
+        $this->show_success( __( 'GetPaid pages updated.', 'invoicing' ) );
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
+    }
+
+    /**
      * Creates an missing admin tables.
-	 * 
+     * 
      */
     public function admin_create_missing_tables() {
-		global $wpdb;
-		$installer = new GetPaid_Installer();
+        global $wpdb;
+        $installer = new GetPaid_Installer();
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}wpinv_subscriptions'" ) != $wpdb->prefix . 'wpinv_subscriptions' ) {
-			$installer->create_subscriptions_table();
+        if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}wpinv_subscriptions'" ) != $wpdb->prefix . 'wpinv_subscriptions' ) {
+            $installer->create_subscriptions_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
-			}
-		}
+            if ( $wpdb->last_error !== '' ) {
+                $this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+            }
+        }
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoices'" ) != $wpdb->prefix . 'getpaid_invoices' ) {
-			$installer->create_invoices_table();
+        if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoices'" ) != $wpdb->prefix . 'getpaid_invoices' ) {
+            $installer->create_invoices_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
-			}
-		}
+            if ( $wpdb->last_error !== '' ) {
+                $this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+            }
+        }
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoice_items'" ) != $wpdb->prefix . 'getpaid_invoice_items' ) {
-			$installer->create_invoice_items_table();
+        if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoice_items'" ) != $wpdb->prefix . 'getpaid_invoice_items' ) {
+            $installer->create_invoice_items_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
-			}
-		}
+            if ( $wpdb->last_error !== '' ) {
+                $this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+            }
+        }
 
-		if ( ! $this->has_notices() ) {
-			$this->show_success( __( 'Your GetPaid tables have been updated.', 'invoicing' ) );
-		}
+        if ( ! $this->has_notices() ) {
+            $this->show_success( __( 'Your GetPaid tables have been updated.', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Migrates old invoices to the new database tables.
-	 * 
+     * 
      */
     public function admin_migrate_old_invoices() {
 
-		// Migrate the invoices.
-		$installer = new GetPaid_Installer();
-		$installer->migrate_old_invoices();
+        // Migrate the invoices.
+        $installer = new GetPaid_Installer();
+        $installer->migrate_old_invoices();
 
-		// Show an admin message.
-		$this->show_success( __( 'Your invoices have been migrated.', 'invoicing' ) );
+        // Show an admin message.
+        $this->show_success( __( 'Your invoices have been migrated.', 'invoicing' ) );
 
-		// Redirect the admin.
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
+        // Redirect the admin.
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Download customers.
-	 * 
+     * 
      */
     public function admin_download_customers() {
-		global $wpdb;
+        global $wpdb;
 
-		$output = fopen( 'php://output', 'w' ) or die( __( 'Unsupported server', 'invoicing' ) );
+        $output = fopen( 'php://output', 'w' ) or die( __( 'Unsupported server', 'invoicing' ) );
 
-		header( "Content-Type:text/csv" );
-		header( "Content-Disposition:attachment;filename=customers.csv" );
+        header( "Content-Type:text/csv" );
+        header( "Content-Disposition:attachment;filename=customers.csv" );
 
-		$post_types = '';
+        $post_types = '';
 
-		foreach ( array_keys( getpaid_get_invoice_post_types() ) as $post_type ) {
-			$post_types .= $wpdb->prepare( "post_type=%s OR ", $post_type );
-		}
+        foreach ( array_keys( getpaid_get_invoice_post_types() ) as $post_type ) {
+            $post_types .= $wpdb->prepare( "post_type=%s OR ", $post_type );
+        }
 
-		$post_types = rtrim( $post_types, ' OR' );
+        $post_types = rtrim( $post_types, ' OR' );
 
-		$customers = $wpdb->get_col(
-			$wpdb->prepare(
-				"SELECT DISTINCT( post_author ) FROM $wpdb->posts WHERE $post_types"
-			)
-		);
+        $customers = $wpdb->get_col(
+            $wpdb->prepare(
+                "SELECT DISTINCT( post_author ) FROM $wpdb->posts WHERE $post_types"
+            )
+        );
 
-		$columns = array(
-			'name'     => __( 'Name', 'invoicing' ),
-			'email'    => __( 'Email', 'invoicing' ),
-			'country'  => __( 'Country', 'invoicing' ),
-			'state'    => __( 'State', 'invoicing' ),
-			'city'     => __( 'City', 'invoicing' ),
-			'zip'      => __( 'ZIP', 'invoicing' ),
-			'address'  => __( 'Address', 'invoicing' ),
-			'phone'    => __( 'Phone', 'invoicing' ),
-			'company'  => __( 'Company', 'invoicing' ),
-			'invoices' => __( 'Invoices', 'invoicing' ),
-			'total'    => __( 'Total Spend', 'invoicing' ),
-			'signup'   => __( 'Date created', 'invoicing' ),
-		);
+        $columns = array(
+            'name'     => __( 'Name', 'invoicing' ),
+            'email'    => __( 'Email', 'invoicing' ),
+            'country'  => __( 'Country', 'invoicing' ),
+            'state'    => __( 'State', 'invoicing' ),
+            'city'     => __( 'City', 'invoicing' ),
+            'zip'      => __( 'ZIP', 'invoicing' ),
+            'address'  => __( 'Address', 'invoicing' ),
+            'phone'    => __( 'Phone', 'invoicing' ),
+            'company'  => __( 'Company', 'invoicing' ),
+            'invoices' => __( 'Invoices', 'invoicing' ),
+            'total'    => __( 'Total Spend', 'invoicing' ),
+            'signup'   => __( 'Date created', 'invoicing' ),
+        );
 
-		// Output the csv column headers.
-		fputcsv( $output, array_values( $columns ) );
+        // Output the csv column headers.
+        fputcsv( $output, array_values( $columns ) );
 
-		// Loop through
-		$table = new WPInv_Customers_Table();
-		foreach ( $customers as $customer_id ) {
+        // Loop through
+        $table = new WPInv_Customers_Table();
+        foreach ( $customers as $customer_id ) {
 
-			$user = get_user_by( 'id', $customer_id );
-			$row  = array();
-			if ( empty( $user ) ) {
-				continue;
-			}
+            $user = get_user_by( 'id', $customer_id );
+            $row  = array();
+            if ( empty( $user ) ) {
+                continue;
+            }
 
-			foreach ( array_keys( $columns ) as $column ) {
+            foreach ( array_keys( $columns ) as $column ) {
 
-				$method = 'column_' . $column;
+                $method = 'column_' . $column;
 
-				if ( 'name' == $column ) {
-					$value = sanitize_text_field( $user->display_name );
-				} else if( 'email' == $column ) {
-					$value = sanitize_email( $user->user_email );
-				} else if ( is_callable( array( $table, $method ) ) ) {
-					$value = strip_tags( $table->$method( $user ) );
-				}
+                if ( 'name' == $column ) {
+                    $value = sanitize_text_field( $user->display_name );
+                } else if( 'email' == $column ) {
+                    $value = sanitize_email( $user->user_email );
+                } else if ( is_callable( array( $table, $method ) ) ) {
+                    $value = strip_tags( $table->$method( $user ) );
+                }
 
-				if ( empty( $value ) ) {
-					$value = sanitize_text_field( get_user_meta( $user->ID, '_wpinv_' . $column, true ) );
-				}
+                if ( empty( $value ) ) {
+                    $value = sanitize_text_field( get_user_meta( $user->ID, '_wpinv_' . $column, true ) );
+                }
 
-				$row[] = $value;
+                $row[] = $value;
 
-			}
+            }
 
-			fputcsv( $output, $row );
-		}
+            fputcsv( $output, $row );
+        }
 
-		fclose( $output );
-		exit;
+        fclose( $output );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Installs a plugin.
-	 *
-	 * @param array $data
+     *
+     * @param array $data
      */
     public function admin_install_plugin( $data ) {
 
-		if ( ! empty( $data['plugins'] ) ) {
-			include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
-			wp_cache_flush();
+        if ( ! empty( $data['plugins'] ) ) {
+            include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+            wp_cache_flush();
 
-			foreach ( $data['plugins'] as $slug => $file ) {
-				$plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/' . $slug . '.latest-stable.zip' );
-				$upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
-				$installed  = $upgrader->install( $plugin_zip );
+            foreach ( $data['plugins'] as $slug => $file ) {
+                $plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/' . $slug . '.latest-stable.zip' );
+                $upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
+                $installed  = $upgrader->install( $plugin_zip );
 
-				if ( ! is_wp_error( $installed ) && $installed ) {
-					activate_plugin( $file, '', false, true );
-				} else {
-					wpinv_error_log( $upgrader->skin->get_upgrade_messages(), false );
-				}
+                if ( ! is_wp_error( $installed ) && $installed ) {
+                    activate_plugin( $file, '', false, true );
+                } else {
+                    wpinv_error_log( $upgrader->skin->get_upgrade_messages(), false );
+                }
 
-			}
+            }
 
-		}
+        }
 
-		$redirect = isset( $data['redirect'] ) ? esc_url_raw( $data['redirect'] ) : admin_url( 'plugins.php' );
-		wp_safe_redirect( $redirect );
-		exit;
+        $redirect = isset( $data['redirect'] ) ? esc_url_raw( $data['redirect'] ) : admin_url( 'plugins.php' );
+        wp_safe_redirect( $redirect );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Connects a gateway.
-	 *
-	 * @param array $data
+     *
+     * @param array $data
      */
     public function admin_connect_gateway( $data ) {
 
-		if ( ! empty( $data['plugin'] ) ) {
+        if ( ! empty( $data['plugin'] ) ) {
 
-			$gateway     = sanitize_key( $data['plugin'] );
-			$connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
+            $gateway     = sanitize_key( $data['plugin'] );
+            $connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
 
-			if ( ! empty( $connect_url ) ) {
-				wp_redirect( $connect_url );
-				exit;
-			}
+            if ( ! empty( $connect_url ) ) {
+                wp_redirect( $connect_url );
+                exit;
+            }
 
-			if ( 'stripe' == $data['plugin'] ) {
-				require_once ABSPATH . 'wp-admin/includes/plugin.php';
+            if ( 'stripe' == $data['plugin'] ) {
+                require_once ABSPATH . 'wp-admin/includes/plugin.php';
 
-				if ( ! array_key_exists( 'getpaid-stripe-payments/getpaid-stripe-payments.php', get_plugins() ) ) {
-					$plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/getpaid-stripe-payments.latest-stable.zip' );
-					$upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
-					$upgrader->install( $plugin_zip );
-				}
+                if ( ! array_key_exists( 'getpaid-stripe-payments/getpaid-stripe-payments.php', get_plugins() ) ) {
+                    $plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/getpaid-stripe-payments.latest-stable.zip' );
+                    $upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
+                    $upgrader->install( $plugin_zip );
+                }
 
-				activate_plugin( 'getpaid-stripe-payments/getpaid-stripe-payments.php', '', false, true );
-			}
+                activate_plugin( 'getpaid-stripe-payments/getpaid-stripe-payments.php', '', false, true );
+            }
 
-			if ( ! empty( $connect_url ) ) {
-				wp_redirect( $connect_url );
-				exit;
-			}
+            if ( ! empty( $connect_url ) ) {
+                wp_redirect( $connect_url );
+                exit;
+            }
 
-		}
+        }
 
-		$redirect = isset( $data['redirect'] ) ? esc_url_raw( urldecode( $data['redirect'] ) ) : admin_url( 'admin.php?page=wpinv-settings&tab=gateways' );
-		wp_safe_redirect( $redirect );
-		exit;
+        $redirect = isset( $data['redirect'] ) ? esc_url_raw( urldecode( $data['redirect'] ) ) : admin_url( 'admin.php?page=wpinv-settings&tab=gateways' );
+        wp_safe_redirect( $redirect );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Recalculates discounts.
-	 * 
+     * 
      */
     public function admin_recalculate_discounts() {
-		global $wpdb;
+        global $wpdb;
 
-		// Fetch all invoices that have discount codes.
-		$table    = $wpdb->prefix . 'getpaid_invoices';
-		$invoices = $wpdb->get_col( "SELECT `post_id` FROM `$table` WHERE `discount` = 0 && `discount_code` <> ''" );
+        // Fetch all invoices that have discount codes.
+        $table    = $wpdb->prefix . 'getpaid_invoices';
+        $invoices = $wpdb->get_col( "SELECT `post_id` FROM `$table` WHERE `discount` = 0 && `discount_code` <> ''" );
 
-		foreach ( $invoices as $invoice ) {
+        foreach ( $invoices as $invoice ) {
 
-			$invoice = new WPInv_Invoice( $invoice );
+            $invoice = new WPInv_Invoice( $invoice );
 
-			if ( ! $invoice->exists() ) {
-				continue;
-			}
+            if ( ! $invoice->exists() ) {
+                continue;
+            }
 
-			// Abort if the discount does not exist or does not apply here.
-			$discount = new WPInv_Discount( $invoice->get_discount_code() );
-			if ( ! $discount->exists() ) {
-				continue;
-			}
+            // Abort if the discount does not exist or does not apply here.
+            $discount = new WPInv_Discount( $invoice->get_discount_code() );
+            if ( ! $discount->exists() ) {
+                continue;
+            }
 
-			$invoice->add_discount( getpaid_calculate_invoice_discount( $invoice, $discount ) );
-			$invoice->recalculate_total();
+            $invoice->add_discount( getpaid_calculate_invoice_discount( $invoice, $discount ) );
+            $invoice->recalculate_total();
 
-			if ( $invoice->get_total_discount() > 0 ) {
-				$invoice->save();
-			}
+            if ( $invoice->get_total_discount() > 0 ) {
+                $invoice->save();
+            }
 
-		}
+        }
 
-		// Show an admin message.
-		$this->show_success( __( 'Discounts have been recalculated.', 'invoicing' ) );
+        // Show an admin message.
+        $this->show_success( __( 'Discounts have been recalculated.', 'invoicing' ) );
 
-		// Redirect the admin.
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
+        // Redirect the admin.
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
 
-	}
+    }
 
     /**
-	 * Returns an array of admin notices.
-	 *
-	 * @since       1.0.19
+     * Returns an array of admin notices.
+     *
+     * @since       1.0.19
      * @return array
-	 */
-	public function get_notices() {
-		$notices = get_option( 'wpinv_admin_notices' );
+     */
+    public function get_notices() {
+        $notices = get_option( 'wpinv_admin_notices' );
         return is_array( $notices ) ? $notices : array();
-	}
+    }
 
-	/**
-	 * Checks if we have any admin notices.
-	 *
-	 * @since       2.0.4
+    /**
+     * Checks if we have any admin notices.
+     *
+     * @since       2.0.4
      * @return array
-	 */
-	public function has_notices() {
-		return count( $this->get_notices() ) > 0;
-	}
-
-	/**
-	 * Clears all admin notices
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function clear_notices() {
-		delete_option( 'wpinv_admin_notices' );
-	}
-
-	/**
-	 * Saves a new admin notice
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function save_notice( $type, $message ) {
-		$notices = $this->get_notices();
-
-		if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
-			$notices[ $type ] = array();
-		}
-
-		$notices[ $type ][] = $message;
-
-		update_option( 'wpinv_admin_notices', $notices );
-	}
-
-	/**
-	 * Displays a success notice
-	 *
-	 * @param       string $msg The message to qeue.
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function show_success( $msg ) {
-		$this->save_notice( 'success', $msg );
-	}
-
-	/**
-	 * Displays a error notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_error( $msg ) {
-		$this->save_notice( 'error', $msg );
-	}
-
-	/**
-	 * Displays a warning notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_warning( $msg ) {
-		$this->save_notice( 'warning', $msg );
-	}
-
-	/**
-	 * Displays a info notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_info( $msg ) {
-		$this->save_notice( 'info', $msg );
-	}
-
-	/**
-	 * Show notices
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function show_notices() {
+     */
+    public function has_notices() {
+        return count( $this->get_notices() ) > 0;
+    }
+
+    /**
+     * Clears all admin notices
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function clear_notices() {
+        delete_option( 'wpinv_admin_notices' );
+    }
+
+    /**
+     * Saves a new admin notice
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function save_notice( $type, $message ) {
+        $notices = $this->get_notices();
+
+        if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
+            $notices[ $type ] = array();
+        }
+
+        $notices[ $type ][] = $message;
+
+        update_option( 'wpinv_admin_notices', $notices );
+    }
+
+    /**
+     * Displays a success notice
+     *
+     * @param       string $msg The message to qeue.
+     * @access      public
+     * @since       1.0.19
+     */
+    public function show_success( $msg ) {
+        $this->save_notice( 'success', $msg );
+    }
+
+    /**
+     * Displays a error notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_error( $msg ) {
+        $this->save_notice( 'error', $msg );
+    }
+
+    /**
+     * Displays a warning notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_warning( $msg ) {
+        $this->save_notice( 'warning', $msg );
+    }
+
+    /**
+     * Displays a info notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_info( $msg ) {
+        $this->save_notice( 'info', $msg );
+    }
+
+    /**
+     * Show notices
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function show_notices() {
 
         $notices = $this->get_notices();
         $this->clear_notices();
 
-		foreach ( $notices as $type => $messages ) {
+        foreach ( $notices as $type => $messages ) {
 
-			if ( ! is_array( $messages ) ) {
-				continue;
-			}
+            if ( ! is_array( $messages ) ) {
+                continue;
+            }
 
             $type  = sanitize_key( $type );
-			foreach ( $messages as $message ) {
+            foreach ( $messages as $message ) {
                 $message = wp_kses_post( $message );
-				echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
+                echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
             }
 
         }
 
-		foreach ( array( 'checkout_page', 'invoice_history_page', 'success_page', 'failure_page', 'invoice_subscription_page' ) as $page ) {
-
-			if ( ! is_numeric( wpinv_get_option( $page, false ) ) ) {
-				$url     = wp_nonce_url(
-					add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
-					'getpaid-nonce',
-					'getpaid-nonce'
-				);
-				$message  = __( 'Some GetPaid pages are missing. To use GetPaid without any issues, click the button below to generate the missing pages.', 'invoicing' );
-				$message2 = __( 'Generate Pages', 'invoicing' );
-				echo "<div class='notice notice-warning is-dismissible'><p>$message<br><br><a href='$url' class='button button-primary'>$message2</a></p></div>";
-				break;
-			}
+        foreach ( array( 'checkout_page', 'invoice_history_page', 'success_page', 'failure_page', 'invoice_subscription_page' ) as $page ) {
+
+            if ( ! is_numeric( wpinv_get_option( $page, false ) ) ) {
+                $url     = wp_nonce_url(
+                    add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
+                    'getpaid-nonce',
+                    'getpaid-nonce'
+                );
+                $message  = __( 'Some GetPaid pages are missing. To use GetPaid without any issues, click the button below to generate the missing pages.', 'invoicing' );
+                $message2 = __( 'Generate Pages', 'invoicing' );
+                echo "<div class='notice notice-warning is-dismissible'><p>$message<br><br><a href='$url' class='button button-primary'>$message2</a></p></div>";
+                break;
+            }
 
-		}
+        }
 
-	}
+    }
 
 }

includes/gateways/class-getpaid-paypal-gateway.php

Indentation +390 added lines, -390 removed lines

@@ -13,96 +13,96 @@ 
 class GetPaid_Paypal_Gateway extends GetPaid_Payment_Gateway {
 
     /**
-	 * Payment method id.
-	 *
-	 * @var string
-	 */
+     * Payment method id.
+     *
+     * @var string
+     */
     public $id = 'paypal';
 
     /**
-	 * An array of features that this gateway supports.
-	 *
-	 * @var array
-	 */
+     * An array of features that this gateway supports.
+     *
+     * @var array
+     */
     protected $supports = array( 'subscription', 'sandbox', 'single_subscription_group' );
 
     /**
-	 * Payment method order.
-	 *
-	 * @var int
-	 */
+     * Payment method order.
+     *
+     * @var int
+     */
     public $order = 1;
 
     /**
-	 * Stores line items to send to PayPal.
-	 *
-	 * @var array
-	 */
+     * Stores line items to send to PayPal.
+     *
+     * @var array
+     */
     protected $line_items = array();
 
     /**
-	 * Endpoint for requests from PayPal.
-	 *
-	 * @var string
-	 */
-	protected $notify_url;
-
-	/**
-	 * Endpoint for requests to PayPal.
-	 *
-	 * @var string
-	 */
+     * Endpoint for requests from PayPal.
+     *
+     * @var string
+     */
+    protected $notify_url;
+
+    /**
+     * Endpoint for requests to PayPal.
+     *
+     * @var string
+     */
     protected $endpoint;
 
     /**
-	 * Currencies this gateway is allowed for.
-	 *
-	 * @var array
-	 */
-	public $currencies = array( 'AUD', 'BRL', 'CAD', 'MXN', 'NZD', 'HKD', 'SGD', 'USD', 'EUR', 'JPY', 'TRY', 'NOK', 'CZK', 'DKK', 'HUF', 'ILS', 'MYR', 'PHP', 'PLN', 'SEK', 'CHF', 'TWD', 'THB', 'GBP', 'RMB', 'RUB', 'INR' );
+     * Currencies this gateway is allowed for.
+     *
+     * @var array
+     */
+    public $currencies = array( 'AUD', 'BRL', 'CAD', 'MXN', 'NZD', 'HKD', 'SGD', 'USD', 'EUR', 'JPY', 'TRY', 'NOK', 'CZK', 'DKK', 'HUF', 'ILS', 'MYR', 'PHP', 'PLN', 'SEK', 'CHF', 'TWD', 'THB', 'GBP', 'RMB', 'RUB', 'INR' );
 
     /**
-	 * URL to view a transaction.
-	 *
-	 * @var string
-	 */
+     * URL to view a transaction.
+     *
+     * @var string
+     */
     public $view_transaction_url = 'https://www.{sandbox}paypal.com/activity/payment/%s';
 
     /**
-	 * URL to view a subscription.
-	 *
-	 * @var string
-	 */
-	public $view_subscription_url = 'https://www.{sandbox}paypal.com/cgi-bin/webscr?cmd=_profile-recurring-payments&encrypted_profile_id=%s';
+     * URL to view a subscription.
+     *
+     * @var string
+     */
+    public $view_subscription_url = 'https://www.{sandbox}paypal.com/cgi-bin/webscr?cmd=_profile-recurring-payments&encrypted_profile_id=%s';
 
     /**
-	 * Class constructor.
-	 */
-	public function __construct() {
+     * Class constructor.
+     */
+    public function __construct() {
 
         $this->title                = __( 'PayPal Standard', 'invoicing' );
         $this->method_title         = __( 'PayPal Standard', 'invoicing' );
         $this->checkout_button_text = __( 'Proceed to PayPal', 'invoicing' );
         $this->notify_url           = wpinv_get_ipn_url( $this->id );
 
-		add_filter( 'getpaid_paypal_args', array( $this, 'process_subscription' ), 10, 2 );
+        add_filter( 'getpaid_paypal_args', array( $this, 'process_subscription' ), 10, 2 );
         add_filter( 'getpaid_paypal_sandbox_notice', array( $this, 'sandbox_notice' ) );
-		add_filter( 'getpaid_get_paypal_connect_url', array( $this, 'maybe_get_connect_url' ), 10, 2 );
-		add_action( 'getpaid_authenticated_admin_action_connect_paypal', array( $this, 'connect_paypal' ) );
+        add_filter( 'getpaid_get_paypal_connect_url', array( $this, 'maybe_get_connect_url' ), 10, 2 );
+        add_action( 'getpaid_authenticated_admin_action_connect_paypal', array( $this, 'connect_paypal' ) );
 
         parent::__construct();
     }
 
     /**
-	 * Process Payment.
-	 *
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param array $submission_data Posted checkout fields.
-	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
-	 * @return array
-	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+     * Process Payment.
+     *
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param array $submission_data Posted checkout fields.
+     * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
+     * @return array
+     */
+    public function process_payment( $invoice, $submission_data, $submission ) {
 
         // Get redirect url.
         $paypal_redirect = $this->get_request_url( $invoice );
@@ -125,15 +125,15 @@ 
     }
 
     /**
-	 * Get the PayPal request URL for an invoice.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 * @return string
-	 */
-	public function get_request_url( $invoice ) {
+     * Get the PayPal request URL for an invoice.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     * @return string
+     */
+    public function get_request_url( $invoice ) {
 
         // Endpoint for this request
-		$this->endpoint    = $this->is_sandbox( $invoice ) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr?test_ipn=1&' : 'https://www.paypal.com/cgi-bin/webscr?';
+        $this->endpoint    = $this->is_sandbox( $invoice ) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr?test_ipn=1&' : 'https://www.paypal.com/cgi-bin/webscr?';
 
         // Retrieve paypal args.
         $paypal_args       = map_deep( $this->get_paypal_args( $invoice ), 'urlencode' );
@@ -146,44 +146,44 @@ 
 
         return add_query_arg( $paypal_args, $this->endpoint );
 
-	}
+    }
 
     /**
-	 * Get PayPal Args for passing to PP.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 * @return array
-	 */
-	protected function get_paypal_args( $invoice ) {
+     * Get PayPal Args for passing to PP.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     * @return array
+     */
+    protected function get_paypal_args( $invoice ) {
 
         // Whether or not to send the line items as one item.
-		$force_one_line_item = apply_filters( 'getpaid_paypal_force_one_line_item', true, $invoice );
-
-		if ( $invoice->is_recurring() || ( wpinv_use_taxes() && wpinv_prices_include_tax() ) ) {
-			$force_one_line_item = true;
-		}
-
-		$paypal_args = apply_filters(
-			'getpaid_paypal_args',
-			array_merge(
-				$this->get_transaction_args( $invoice ),
-				$this->get_line_item_args( $invoice, $force_one_line_item )
-			),
-			$invoice
-		);
-
-		return $this->fix_request_length( $invoice, $paypal_args );
+        $force_one_line_item = apply_filters( 'getpaid_paypal_force_one_line_item', true, $invoice );
+
+        if ( $invoice->is_recurring() || ( wpinv_use_taxes() && wpinv_prices_include_tax() ) ) {
+            $force_one_line_item = true;
+        }
+
+        $paypal_args = apply_filters(
+            'getpaid_paypal_args',
+            array_merge(
+                $this->get_transaction_args( $invoice ),
+                $this->get_line_item_args( $invoice, $force_one_line_item )
+            ),
+            $invoice
+        );
+
+        return $this->fix_request_length( $invoice, $paypal_args );
     }
 
     /**
-	 * Get transaction args for paypal request.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 * @return array
-	 */
-	protected function get_transaction_args( $invoice ) {
-
-		return array(
+     * Get transaction args for paypal request.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
+     * @return array
+     */
+    protected function get_transaction_args( $invoice ) {
+
+        return array(
             'cmd'           => '_cart',
             'business'      => wpinv_get_option( 'paypal_email', false ),
             'no_shipping'   => '1',
@@ -208,16 +208,16 @@ 
     }
 
     /**
-	 * Get line item args for paypal request.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 * @param  bool     $force_one_line_item Create only one item for this invoice.
-	 * @return array
-	 */
-	protected function get_line_item_args( $invoice, $force_one_line_item = false ) {
+     * Get line item args for paypal request.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     * @param  bool     $force_one_line_item Create only one item for this invoice.
+     * @return array
+     */
+    protected function get_line_item_args( $invoice, $force_one_line_item = false ) {
 
         // Maybe send invoice as a single item.
-		if ( $force_one_line_item ) {
+        if ( $force_one_line_item ) {
             return $this->get_line_item_args_single_item( $invoice );
         }
 
@@ -237,129 +237,129 @@ 
             $line_item_args['discount_amount_cart'] = wpinv_sanitize_amount( (float) $invoice->get_total_discount(), 2 );
         }
 
-		return array_merge( $line_item_args, $this->get_line_items() );
+        return array_merge( $line_item_args, $this->get_line_items() );
 
     }
 
     /**
-	 * Get line item args for paypal request as a single line item.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 * @return array
-	 */
-	protected function get_line_item_args_single_item( $invoice ) {
-		$this->delete_line_items();
+     * Get line item args for paypal request as a single line item.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     * @return array
+     */
+    protected function get_line_item_args_single_item( $invoice ) {
+        $this->delete_line_items();
 
         $item_name = sprintf( __( 'Invoice #%s', 'invoicing' ), $invoice->get_number() );
-		$this->add_line_item( $item_name, 1, wpinv_round_amount( (float) $invoice->get_total(), 2, true ), $invoice->get_id() );
+        $this->add_line_item( $item_name, 1, wpinv_round_amount( (float) $invoice->get_total(), 2, true ), $invoice->get_id() );
 
-		return $this->get_line_items();
+        return $this->get_line_items();
     }
 
     /**
-	 * Return all line items.
-	 */
-	protected function get_line_items() {
-		return $this->line_items;
-	}
+     * Return all line items.
+     */
+    protected function get_line_items() {
+        return $this->line_items;
+    }
 
     /**
-	 * Remove all line items.
-	 */
-	protected function delete_line_items() {
-		$this->line_items = array();
+     * Remove all line items.
+     */
+    protected function delete_line_items() {
+        $this->line_items = array();
     }
 
     /**
-	 * Prepare line items to send to paypal.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 */
-	protected function prepare_line_items( $invoice ) {
-		$this->delete_line_items();
-
-		// Items.
-		foreach ( $invoice->get_items() as $item ) {
-			$amount   = $item->get_price();
-			$quantity = $invoice->get_template() == 'amount' ? 1 : $item->get_quantity();
-			$this->add_line_item( $item->get_raw_name(), $quantity, $amount, $item->get_id() );
+     * Prepare line items to send to paypal.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     */
+    protected function prepare_line_items( $invoice ) {
+        $this->delete_line_items();
+
+        // Items.
+        foreach ( $invoice->get_items() as $item ) {
+            $amount   = $item->get_price();
+            $quantity = $invoice->get_template() == 'amount' ? 1 : $item->get_quantity();
+            $this->add_line_item( $item->get_raw_name(), $quantity, $amount, $item->get_id() );
         }
 
         // Fees.
-		foreach ( $invoice->get_fees() as $fee => $data ) {
+        foreach ( $invoice->get_fees() as $fee => $data ) {
             $this->add_line_item( $fee, 1, wpinv_sanitize_amount( $data['initial_fee'] ) );
         }
 
     }
 
     /**
-	 * Add PayPal Line Item.
-	 *
-	 * @param  string $item_name Item name.
-	 * @param  float    $quantity Item quantity.
-	 * @param  float  $amount Amount.
-	 * @param  string $item_number Item number.
-	 */
-	protected function add_line_item( $item_name, $quantity = 1, $amount = 0.0, $item_number = '' ) {
-		$index = ( count( $this->line_items ) / 4 ) + 1;
-
-		$item = apply_filters(
-			'getpaid_paypal_line_item',
-			array(
-				'item_name'   => html_entity_decode( getpaid_limit_length( $item_name ? wp_strip_all_tags( $item_name ) : __( 'Item', 'invoicing' ), 127 ), ENT_NOQUOTES, 'UTF-8' ),
-				'quantity'    => (float) $quantity,
-				'amount'      => wpinv_sanitize_amount( (float) $amount, 2 ),
-				'item_number' => $item_number,
-			),
-			$item_name,
-			$quantity,
-			$amount,
-			$item_number
-		);
-
-		$this->line_items[ 'item_name_' . $index ]   = getpaid_limit_length( $item['item_name'], 127 );
+     * Add PayPal Line Item.
+     *
+     * @param  string $item_name Item name.
+     * @param  float    $quantity Item quantity.
+     * @param  float  $amount Amount.
+     * @param  string $item_number Item number.
+     */
+    protected function add_line_item( $item_name, $quantity = 1, $amount = 0.0, $item_number = '' ) {
+        $index = ( count( $this->line_items ) / 4 ) + 1;
+
+        $item = apply_filters(
+            'getpaid_paypal_line_item',
+            array(
+                'item_name'   => html_entity_decode( getpaid_limit_length( $item_name ? wp_strip_all_tags( $item_name ) : __( 'Item', 'invoicing' ), 127 ), ENT_NOQUOTES, 'UTF-8' ),
+                'quantity'    => (float) $quantity,
+                'amount'      => wpinv_sanitize_amount( (float) $amount, 2 ),
+                'item_number' => $item_number,
+            ),
+            $item_name,
+            $quantity,
+            $amount,
+            $item_number
+        );
+
+        $this->line_items[ 'item_name_' . $index ]   = getpaid_limit_length( $item['item_name'], 127 );
         $this->line_items[ 'quantity_' . $index ]    = $item['quantity'];
 
         // The price or amount of the product, service, or contribution, not including shipping, handling, or tax.
-		$this->line_items[ 'amount_' . $index ]      = $item['amount'] * $item['quantity'];
-		$this->line_items[ 'item_number_' . $index ] = getpaid_limit_length( $item['item_number'], 127 );
+        $this->line_items[ 'amount_' . $index ]      = $item['amount'] * $item['quantity'];
+        $this->line_items[ 'item_number_' . $index ] = getpaid_limit_length( $item['item_number'], 127 );
     }
 
     /**
-	 * If the default request with line items is too long, generate a new one with only one line item.
-	 *
-	 * https://support.microsoft.com/en-us/help/208427/maximum-url-length-is-2-083-characters-in-internet-explorer.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice to be sent to Paypal.
-	 * @param array    $paypal_args Arguments sent to Paypal in the request.
-	 * @return array
-	 */
-	protected function fix_request_length( $invoice, $paypal_args ) {
-		$max_paypal_length = 2083;
-		$query_candidate   = http_build_query( $paypal_args, '', '&' );
-
-		if ( strlen( $this->endpoint . $query_candidate ) <= $max_paypal_length ) {
-			return $paypal_args;
-		}
-
-		return apply_filters(
-			'getpaid_paypal_args',
-			array_merge(
-				$this->get_transaction_args( $invoice ),
-				$this->get_line_item_args( $invoice, true )
-			),
-			$invoice
-		);
+     * If the default request with line items is too long, generate a new one with only one line item.
+     *
+     * https://support.microsoft.com/en-us/help/208427/maximum-url-length-is-2-083-characters-in-internet-explorer.
+     *
+     * @param WPInv_Invoice $invoice Invoice to be sent to Paypal.
+     * @param array    $paypal_args Arguments sent to Paypal in the request.
+     * @return array
+     */
+    protected function fix_request_length( $invoice, $paypal_args ) {
+        $max_paypal_length = 2083;
+        $query_candidate   = http_build_query( $paypal_args, '', '&' );
+
+        if ( strlen( $this->endpoint . $query_candidate ) <= $max_paypal_length ) {
+            return $paypal_args;
+        }
+
+        return apply_filters(
+            'getpaid_paypal_args',
+            array_merge(
+                $this->get_transaction_args( $invoice ),
+                $this->get_line_item_args( $invoice, true )
+            ),
+            $invoice
+        );
 
     }
 
     /**
-	 * Processes recurring invoices.
-	 *
-	 * @param  array $paypal_args PayPal args.
-	 * @param  WPInv_Invoice    $invoice Invoice object.
-	 */
-	public function process_subscription( $paypal_args, $invoice ) {
+     * Processes recurring invoices.
+     *
+     * @param  array $paypal_args PayPal args.
+     * @param  WPInv_Invoice    $invoice Invoice object.
+     */
+    public function process_subscription( $paypal_args, $invoice ) {
 
         // Make sure this is a subscription.
         if ( ! $invoice->is_recurring() || ! $subscription = getpaid_get_invoice_subscription( $invoice ) ) {
@@ -384,11 +384,11 @@ 
 
             $paypal_args['a1'] = 0 == $initial_amount ? 0 : $initial_amount;
 
-			// Trial period length.
-			$paypal_args['p1'] = $subscription_item->get_trial_interval();
+            // Trial period length.
+            $paypal_args['p1'] = $subscription_item->get_trial_interval();
 
-			// Trial period.
-			$paypal_args['t1'] = $subscription_item->get_trial_period();
+            // Trial period.
+            $paypal_args['t1'] = $subscription_item->get_trial_period();
 
         } else if ( $initial_amount != $recurring_amount ) {
 
@@ -411,40 +411,40 @@ 
         }
 
         // We have a recurring payment
-		if ( ! isset( $param_number ) || 1 == $param_number ) {
+        if ( ! isset( $param_number ) || 1 == $param_number ) {
 
-			// Subscription price
-			$paypal_args['a3'] = $recurring_amount;
+            // Subscription price
+            $paypal_args['a3'] = $recurring_amount;
 
-			// Subscription duration
-			$paypal_args['p3'] = $interval;
+            // Subscription duration
+            $paypal_args['p3'] = $interval;
 
-			// Subscription period
-			$paypal_args['t3'] = $period;
+            // Subscription period
+            $paypal_args['t3'] = $period;
 
         }
 
         // Recurring payments
-		if ( 1 == $bill_times || ( $initial_amount != $recurring_amount && ! $subscription_item->has_free_trial() && 2 == $bill_times ) ) {
+        if ( 1 == $bill_times || ( $initial_amount != $recurring_amount && ! $subscription_item->has_free_trial() && 2 == $bill_times ) ) {
 
-			// Non-recurring payments
-			$paypal_args['src'] = 0;
+            // Non-recurring payments
+            $paypal_args['src'] = 0;
 
-		} else {
+        } else {
 
-			$paypal_args['src'] = 1;
+            $paypal_args['src'] = 1;
 
-			if ( $bill_times > 0 ) {
+            if ( $bill_times > 0 ) {
 
-				// An initial period is being used to charge a sign-up fee
-				if ( $initial_amount != $recurring_amount && ! $subscription_item->has_free_trial() ) {
-					$bill_times--;
-				}
+                // An initial period is being used to charge a sign-up fee
+                if ( $initial_amount != $recurring_amount && ! $subscription_item->has_free_trial() ) {
+                    $bill_times--;
+                }
 
                 // Make sure it's not over the max of 52
                 $paypal_args['srt'] = ( $bill_times <= 52 ? absint( $bill_times ) : 52 );
 
-			}
+            }
         }
 
         // Force return URL so that order description & instructions display
@@ -460,19 +460,19 @@ 
         }
 
         return apply_filters(
-			'getpaid_paypal_subscription_args',
-			$paypal_args,
-			$invoice
+            'getpaid_paypal_subscription_args',
+            $paypal_args,
+            $invoice
         );
 
     }
 
     /**
-	 * Processes ipns and marks payments as complete.
-	 *
-	 * @return void
-	 */
-	public function verify_ipn() {
+     * Processes ipns and marks payments as complete.
+     *
+     * @return void
+     */
+    public function verify_ipn() {
         new GetPaid_Paypal_Gateway_IPN_Handler( $this );
     }
 
@@ -482,19 +482,19 @@ 
     public function sandbox_notice() {
 
         return sprintf(
-			__( 'SANDBOX ENABLED. You can use sandbox testing accounts only. See the %sPayPal Sandbox Testing Guide%s for more details.', 'invoicing' ),
-			'<a href="https://developer.paypal.com/docs/classic/lifecycle/ug_sandbox/">',
-			'</a>'
-		);
+            __( 'SANDBOX ENABLED. You can use sandbox testing accounts only. See the %sPayPal Sandbox Testing Guide%s for more details.', 'invoicing' ),
+            '<a href="https://developer.paypal.com/docs/classic/lifecycle/ug_sandbox/">',
+            '</a>'
+        );
 
     }
 
-	/**
-	 * Filters the gateway settings.
-	 *
-	 * @param array $admin_settings
-	 */
-	public function admin_settings( $admin_settings ) {
+    /**
+     * Filters the gateway settings.
+     *
+     * @param array $admin_settings
+     */
+    public function admin_settings( $admin_settings ) {
 
         $currencies = sprintf(
             __( 'Supported Currencies: %s', 'invoicing' ),
@@ -504,89 +504,89 @@ 
         $admin_settings['paypal_active']['desc'] .= " ($currencies)";
         $admin_settings['paypal_desc']['std']     = __( 'Pay via PayPal: you can pay with your credit card if you don\'t have a PayPal account.', 'invoicing' );
 
-		// Access tokens.
+        // Access tokens.
         $live_account    = wpinv_get_option( 'paypal_live_access_token' );
         $sandbox_account = wpinv_get_option( 'paypal_test_access_token' );
 
-		$admin_settings['paypal_connect'] = array(
-			'type'       => 'raw_html',
-			'id'         => 'paypal_connect',
-			'name'       => __( 'Connect to PayPal', 'invoicing' ),
-			'desc'       => sprintf(
-				'<div class="wpinv-paypal-connect-live"><a class="button button-primary" href="%s">%s</a><br><strong style="color: green">%s</strong></div><div class="wpinv-paypal-connect-sandbox"><a class="button button-primary" href="%s">%s</a><br><strong style="color: green">%s</strong></div>%s',
-				esc_url( self::get_connect_url( false ) ),
-				__( 'Connect to PayPal', 'invoicing' ),
-				__( 'Connected', 'invoicing' ),
-				esc_url( self::get_connect_url( true ) ),
-				__( 'Connect to PayPal Sandox', 'invoicing' ),
-				__( 'Connected', 'invoicing' ),
-				$this->get_js()
-			),
-		);
-
-		$admin_settings['disable_paypal_connect'] = array(
-			'type'       => 'checkbox',
-			'id'         => 'disable_paypal_connect',
-			'name'       => __( 'Manual Mode', 'invoicing' ),
-			'desc'       => __( 'Manually enter your credentials', 'invoicing' ),
-			'std'        => false,
-		);
+        $admin_settings['paypal_connect'] = array(
+            'type'       => 'raw_html',
+            'id'         => 'paypal_connect',
+            'name'       => __( 'Connect to PayPal', 'invoicing' ),
+            'desc'       => sprintf(
+                '<div class="wpinv-paypal-connect-live"><a class="button button-primary" href="%s">%s</a><br><strong style="color: green">%s</strong></div><div class="wpinv-paypal-connect-sandbox"><a class="button button-primary" href="%s">%s</a><br><strong style="color: green">%s</strong></div>%s',
+                esc_url( self::get_connect_url( false ) ),
+                __( 'Connect to PayPal', 'invoicing' ),
+                __( 'Connected', 'invoicing' ),
+                esc_url( self::get_connect_url( true ) ),
+                __( 'Connect to PayPal Sandox', 'invoicing' ),
+                __( 'Connected', 'invoicing' ),
+                $this->get_js()
+            ),
+        );
+
+        $admin_settings['disable_paypal_connect'] = array(
+            'type'       => 'checkbox',
+            'id'         => 'disable_paypal_connect',
+            'name'       => __( 'Manual Mode', 'invoicing' ),
+            'desc'       => __( 'Manually enter your credentials', 'invoicing' ),
+            'std'        => false,
+        );
 
         $admin_settings['paypal_email'] = array(
             'type'  => 'text',
-			'class' => 'live-auth-data',
+            'class' => 'live-auth-data',
             'id'    => 'paypal_email',
             'name'  => __( 'Live Email Address', 'invoicing' ),
             'desc'  => __( 'The email address of your PayPal account.', 'invoicing' ),
         );
 
-		$admin_settings['paypal_merchant_id'] = array(
+        $admin_settings['paypal_merchant_id'] = array(
             'type'  => 'text',
-			'class' => 'live-auth-data',
+            'class' => 'live-auth-data',
             'id'    => 'paypal_merchant_id',
             'name'  => __( 'Live Merchant ID', 'invoicing' ),
         );
 
-		$admin_settings['paypal_client_id'] = array(
+        $admin_settings['paypal_client_id'] = array(
             'type'  => 'text',
-			'class' => 'live-auth-data',
+            'class' => 'live-auth-data',
             'id'    => 'paypal_client_id',
             'name'  => __( 'Live Client ID', 'invoicing' ),
         );
 
-		$admin_settings['paypal_client_secret'] = array(
+        $admin_settings['paypal_client_secret'] = array(
             'type'  => 'text',
-			'class' => 'live-auth-data',
+            'class' => 'live-auth-data',
             'id'    => 'paypal_client_secret',
             'name'  => __( 'Live Client Secret', 'invoicing' ),
         );
 
-		$admin_settings['paypal_sandbox_email'] = array(
+        $admin_settings['paypal_sandbox_email'] = array(
             'type'  => 'text',
-			'class' => 'sandbox-auth-data',
+            'class' => 'sandbox-auth-data',
             'id'    => 'paypal_sandbox_email',
             'name'  => __( 'Sandbox Email Address', 'invoicing' ),
             'desc'  => __( 'The email address of your sandbox PayPal account.', 'invoicing' ),
-			'std'   => wpinv_get_option( 'paypal_email', '' ),
+            'std'   => wpinv_get_option( 'paypal_email', '' ),
         );
 
-		$admin_settings['paypal_sandbox_merchant_id'] = array(
+        $admin_settings['paypal_sandbox_merchant_id'] = array(
             'type'  => 'text',
-			'class' => 'sandbox-auth-data',
+            'class' => 'sandbox-auth-data',
             'id'    => 'paypal_sandbox_merchant_id',
             'name'  => __( 'Sandbox Merchant ID', 'invoicing' ),
         );
 
-		$admin_settings['paypal_sandbox_client_id'] = array(
+        $admin_settings['paypal_sandbox_client_id'] = array(
             'type'  => 'text',
-			'class' => 'sandbox-auth-data',
+            'class' => 'sandbox-auth-data',
             'id'    => 'paypal_sandbox_client_id',
             'name'  => __( 'Sandbox Client ID', 'invoicing' ),
         );
 
-		$admin_settings['paypal_sandbox_client_secret'] = array(
+        $admin_settings['paypal_sandbox_client_secret'] = array(
             'type'  => 'text',
-			'class' => 'sandbox-auth-data',
+            'class' => 'sandbox-auth-data',
             'id'    => 'paypal_sandbox_client_secret',
             'name'  => __( 'Sandbox Client Secret', 'invoicing' ),
         );
@@ -600,29 +600,29 @@ 
             'readonly' => true,
         );
 
-		return $admin_settings;
-	}
+        return $admin_settings;
+    }
 
-	/**
-	 * Retrieves the PayPal connect URL when using the setup wizzard.
-	 *
-	 *
+    /**
+     * Retrieves the PayPal connect URL when using the setup wizzard.
+     *
+     *
      * @param array $data
      * @return string
-	 */
-	public static function maybe_get_connect_url( $data ) {
-		return self::get_connect_url( false, urldecode( $data['redirect'] ) );
-	}
-
-	/**
-	 * Retrieves the PayPal connect URL.
-	 *
-	 *
+     */
+    public static function maybe_get_connect_url( $data ) {
+        return self::get_connect_url( false, urldecode( $data['redirect'] ) );
+    }
+
+    /**
+     * Retrieves the PayPal connect URL.
+     *
+     *
      * @param bool $is_sandbox
-	 * @param string $redirect
+     * @param string $redirect
      * @return string
-	 */
-	public static function get_connect_url( $is_sandbox, $redirect = '' ) {
+     */
+    public static function get_connect_url( $is_sandbox, $redirect = '' ) {
 
         $redirect_url = add_query_arg(
             array(
@@ -632,7 +632,7 @@ 
                 'tab'                  => 'gateways',
                 'section'              => 'paypal',
                 'getpaid-nonce'        => wp_create_nonce( 'getpaid-nonce' ),
-				'redirect'             => urlencode( $redirect ),
+                'redirect'             => urlencode( $redirect ),
             ),
             admin_url( 'admin.php' )
         );
@@ -647,12 +647,12 @@ 
 
     }
 
-	/**
-	 * Generates settings page js.
-	 *
+    /**
+     * Generates settings page js.
+     *
      * @return void
-	 */
-	public static function get_js() {
+     */
+    public static function get_js() {
         ob_start();
         ?>
             <script>
@@ -698,104 +698,104 @@ 
         return ob_get_clean();
     }
 
-	/**
-	 * Connects to PayPal.
-	 *
-	 * @param array $data Connection data.
-	 * @return void
-	 */
-	public function connect_paypal( $data ) {
-
-		$sandbox      = $this->is_sandbox();
-		$data         = wp_unslash( $data );
-		$access_token = empty( $data['access_token'] ) ? '' : sanitize_text_field( $data['access_token'] );
-
-		if ( isset( $data['live_mode'] ) ) {
-			$sandbox = empty( $data['live_mode'] );
-		}
-
-		wpinv_update_option( 'stripe_sandbox', (int) $sandbox );
-		wpinv_update_option( 'stripe_active', 1 );
-
-		if ( ! empty( $data['error_description'] ) ) {
-			getpaid_admin()->show_error( wp_kses_post( urldecode( $data['error_description'] ) ) );
-		} else {
-
-			// Retrieve the user info.
-			$user_info = wp_remote_get(
-				! $sandbox ? 'https://api-m.paypal.com/v1/identity/oauth2/userinfo?schema=paypalv1.1' : 'https://api-m.sandbox.paypal.com/v1/identity/oauth2/userinfo?schema=paypalv1.1',
-				array(
-
-					'headers' => array(
-						'Authorization' => 'Bearer ' . $access_token,
-						'Content-type'  => 'application/json',
-					)
-
-				)
-			);
-
-			if ( is_wp_error( $user_info ) ) {
-				getpaid_admin()->show_error( wp_kses_post( $user_info->get_error_message() ) );
-			} else {
-
-				// Create application.
-				$user_info = json_decode( wp_remote_retrieve_body( $user_info ) );
-				$app       = wp_remote_post(
-					! $sandbox ? 'https://api-m.paypal.com/v1/identity/applications' : 'https://api-m.sandbox.paypal.com/v1/identity/applications',
-					array(
-
-						'body'    => array(
-							'application_type' => 'web',
-							'redirect_uris'    => array(
-								add_query_arg( 'getpaid_oauth', 'paypal', home_url() ),
-							),
-							'client_name'      => 'GetPaid',
-							'contacts'         => array( $user_info->emails[0]->value ),
-							'payer_id'         => $user_info->payer_id,
-							'migrated_app'     => '',
-						),
-						'headers' => array(
-							'Authorization' => 'Bearer ' . $access_token,
-							'Content-type'  => 'application/json',
-						)
-
-					)
-				);
-
-				if ( is_wp_error( $app ) ) {
-					getpaid_admin()->show_error( wp_kses_post( $app->get_error_message() ) );
-				} else {
-
-					$app = json_decode( $app );
-					if ( $sandbox ) {
-						wpinv_update_option( 'paypal_sandbox_email', sanitize_email( $user_info->emails[0]->value ) );
-						wpinv_update_option( 'paypal_sandbox_merchant_id', '' );
-						wpinv_update_option( 'paypal_sandbox_client_id', sanitize_text_field( '' ) );
-						wpinv_update_option( 'paypal_sandbox_client_secret', sanitize_text_field( '' ) );
-						wpinv_update_option( 'paypal_sandbox_client_secret_expires_at', sanitize_text_field( '' ) );
-						wpinv_update_option( 'paypal_sandbox_refresh_token', sanitize_text_field( urldecode( $data['refresh_token'] ) ) );
-						set_transient( 'getpaid_paypal_sandbox_access_token', sanitize_text_field( urldecode( $data['access_token'] ) ), (int) $data['expires_in'] );
-						getpaid_admin()->show_success( __( 'Successfully connected your PayPal sandbox account', 'wpinv-stripe' ) );
-					} else {
-						wpinv_update_option( 'paypal_email', sanitize_email( $user_info->emails[0]->value ) );
-						wpinv_update_option( 'paypal_merchant_id', '' );
-						wpinv_update_option( 'paypal_client_id', sanitize_text_field( '' ) );
-						wpinv_update_option( 'paypal_client_secret', sanitize_text_field( '' ) );
-						wpinv_update_option( 'paypal_client_secret_expires_at', sanitize_text_field( '' ) );
-						wpinv_update_option( 'paypal_refresh_token', sanitize_text_field( urldecode( $data['refresh_token'] ) ) );
-						set_transient( 'getpaid_paypal_access_token', sanitize_text_field( urldecode( $data['access_token'] ) ), (int) $data['expires_in'] );
-						getpaid_admin()->show_success( __( 'Successfully connected your PayPal account', 'wpinv-stripe' ) );
-					}
+    /**
+     * Connects to PayPal.
+     *
+     * @param array $data Connection data.
+     * @return void
+     */
+    public function connect_paypal( $data ) {
 
-				}
+        $sandbox      = $this->is_sandbox();
+        $data         = wp_unslash( $data );
+        $access_token = empty( $data['access_token'] ) ? '' : sanitize_text_field( $data['access_token'] );
+
+        if ( isset( $data['live_mode'] ) ) {
+            $sandbox = empty( $data['live_mode'] );
+        }
+
+        wpinv_update_option( 'stripe_sandbox', (int) $sandbox );
+        wpinv_update_option( 'stripe_active', 1 );
+
+        if ( ! empty( $data['error_description'] ) ) {
+            getpaid_admin()->show_error( wp_kses_post( urldecode( $data['error_description'] ) ) );
+        } else {
 
-			}
+            // Retrieve the user info.
+            $user_info = wp_remote_get(
+                ! $sandbox ? 'https://api-m.paypal.com/v1/identity/oauth2/userinfo?schema=paypalv1.1' : 'https://api-m.sandbox.paypal.com/v1/identity/oauth2/userinfo?schema=paypalv1.1',
+                array(
 
-		}
+                    'headers' => array(
+                        'Authorization' => 'Bearer ' . $access_token,
+                        'Content-type'  => 'application/json',
+                    )
 
-		$redirect = empty( $data['redirect'] ) ? admin_url( 'admin.php?page=wpinv-settings&tab=gateways&section=paypal' ) : urldecode( $data['redirect'] );
-		wp_redirect( $redirect );
-		exit;
-	}
+                )
+            );
+
+            if ( is_wp_error( $user_info ) ) {
+                getpaid_admin()->show_error( wp_kses_post( $user_info->get_error_message() ) );
+            } else {
+
+                // Create application.
+                $user_info = json_decode( wp_remote_retrieve_body( $user_info ) );
+                $app       = wp_remote_post(
+                    ! $sandbox ? 'https://api-m.paypal.com/v1/identity/applications' : 'https://api-m.sandbox.paypal.com/v1/identity/applications',
+                    array(
+
+                        'body'    => array(
+                            'application_type' => 'web',
+                            'redirect_uris'    => array(
+                                add_query_arg( 'getpaid_oauth', 'paypal', home_url() ),
+                            ),
+                            'client_name'      => 'GetPaid',
+                            'contacts'         => array( $user_info->emails[0]->value ),
+                            'payer_id'         => $user_info->payer_id,
+                            'migrated_app'     => '',
+                        ),
+                        'headers' => array(
+                            'Authorization' => 'Bearer ' . $access_token,
+                            'Content-type'  => 'application/json',
+                        )
+
+                    )
+                );
+
+                if ( is_wp_error( $app ) ) {
+                    getpaid_admin()->show_error( wp_kses_post( $app->get_error_message() ) );
+                } else {
+
+                    $app = json_decode( $app );
+                    if ( $sandbox ) {
+                        wpinv_update_option( 'paypal_sandbox_email', sanitize_email( $user_info->emails[0]->value ) );
+                        wpinv_update_option( 'paypal_sandbox_merchant_id', '' );
+                        wpinv_update_option( 'paypal_sandbox_client_id', sanitize_text_field( '' ) );
+                        wpinv_update_option( 'paypal_sandbox_client_secret', sanitize_text_field( '' ) );
+                        wpinv_update_option( 'paypal_sandbox_client_secret_expires_at', sanitize_text_field( '' ) );
+                        wpinv_update_option( 'paypal_sandbox_refresh_token', sanitize_text_field( urldecode( $data['refresh_token'] ) ) );
+                        set_transient( 'getpaid_paypal_sandbox_access_token', sanitize_text_field( urldecode( $data['access_token'] ) ), (int) $data['expires_in'] );
+                        getpaid_admin()->show_success( __( 'Successfully connected your PayPal sandbox account', 'wpinv-stripe' ) );
+                    } else {
+                        wpinv_update_option( 'paypal_email', sanitize_email( $user_info->emails[0]->value ) );
+                        wpinv_update_option( 'paypal_merchant_id', '' );
+                        wpinv_update_option( 'paypal_client_id', sanitize_text_field( '' ) );
+                        wpinv_update_option( 'paypal_client_secret', sanitize_text_field( '' ) );
+                        wpinv_update_option( 'paypal_client_secret_expires_at', sanitize_text_field( '' ) );
+                        wpinv_update_option( 'paypal_refresh_token', sanitize_text_field( urldecode( $data['refresh_token'] ) ) );
+                        set_transient( 'getpaid_paypal_access_token', sanitize_text_field( urldecode( $data['access_token'] ) ), (int) $data['expires_in'] );
+                        getpaid_admin()->show_success( __( 'Successfully connected your PayPal account', 'wpinv-stripe' ) );
+                    }
+
+                }
+
+            }
+
+        }
+
+        $redirect = empty( $data['redirect'] ) ? admin_url( 'admin.php?page=wpinv-settings&tab=gateways&section=paypal' ) : urldecode( $data['redirect'] );
+        wp_redirect( $redirect );
+        exit;
+    }
 
 }