Add support for click analytics

plugins/bcc-login/endpoints/access-token.php

@@ -1,7 +1,7 @@
 <?php
 
-$token = ''; 
-$token_id = $_COOKIE['oidc_token_id'];
+$token = '';
+$token_id = $_COOKIE['oidc_token_id'] ?? '';
 
 if ( ! empty( $token_id ) ) {
     setcookie('wordpress_nocache', 'true');

plugins/bcc-login/endpoints/id-token.php

@@ -2,7 +2,7 @@
 
 setcookie('wordpress_nocache', 'true');
 $token = '';
-$token_id = $_COOKIE['oidc_token_id'];
+$token_id = $_COOKIE['oidc_token_id'] ?? '';
 if ( ! empty( $token_id ) ) {    
     $token = get_transient( 'oidc_id_token_' . $token_id );
 }

plugins/bcc-login/endpoints/user-profile.php

@@ -3,7 +3,7 @@
 setcookie('wordpress_nocache', 'true');
 
 $token = '';
-$token_id = $_COOKIE['oidc_token_id'];
+$token_id = $_COOKIE['oidc_token_id'] ?? '';
 
 if ( ! empty( $token_id ) ) {    
     $token = get_transient( 'oidc_id_token_' . $token_id );

plugins/bcc-login/includes/class-bcc-login-settings.php

@@ -29,6 +29,9 @@ class BCC_Login_Settings {
     public $coreapi_base_url;
     public $disable_pubsub;
     public $widgets_base_url;
+    public $track_clicks;
+    public $track_page_load;
+    public $track_page_interaction;
 }
 
 /**
@@ -81,6 +84,9 @@ function __construct () {
         $settings->coreapi_base_url = 'https://api.bcc.no';
         $settings->disable_pubsub = false;
         $settings->widgets_base_url = 'https://widgets.bcc.no';
+        $settings->track_clicks = false;
+        $settings->track_page_load = true;
+        $settings->track_page_interaction = true;
 
 
 
@@ -161,6 +167,22 @@ function __construct () {
             $settings->filtering_groups = explode(",", $filtering_groups_option);
         }
 
+        $track_clicks_option = get_option('bcc_track_clicks', -1);
+        if ($track_clicks_option != -1) {
+            $settings->track_clicks = $track_clicks_option;
+        }
+
+        $track_page_load_option = get_option('bcc_track_page_load', -1);
+        if ($track_page_load_option != -1) {
+            $settings->track_page_load = $track_page_load_option;
+        }
+
+        $track_page_interaction_option = get_option('bcc_track_page_interaction', -1);
+        if ($track_page_interaction_option != -1) {
+            $settings->track_page_interaction = $track_page_interaction_option;
+        }
+
+
         // Backwards compatibility with old plugin configuration.
         if ( ! isset( $settings->client_id ) ) {
             $old_oidc_settings = (array) get_option( 'openid_connect_generic_settings', array () );
@@ -250,6 +272,9 @@ function register_settings() {
         register_setting( $this->option_name, 'bcc_full_content_access_groups' );
         register_setting( $this->option_name, 'bcc_filtering_groups' );
         register_setting( $this->option_name, 'show_protected_menu_items' );
+        register_setting( $this->option_name, 'bcc_track_clicks' );
+        register_setting( $this->option_name, 'bcc_track_page_load' );
+        register_setting( $this->option_name, 'bcc_track_page_interaction' );
 
         $use_groups_settings = !empty($this->_settings->site_groups) || BCC_Coreapi_Client::check_groups_access(
             $this->_settings->token_endpoint,
@@ -268,6 +293,7 @@ function register_settings() {
         {
             add_settings_section( 'notifications', __( 'Notifications', 'bcc-login' ), null, $this->options_page );
         }
+        add_settings_section( 'analytics', __( 'Analytics', 'bcc-login' ), null, $this->options_page );
 
         add_settings_field(
             'client_id',
@@ -555,6 +581,45 @@ function register_settings() {
                 'label' => __( 'Show protected menu items to all/public users.', 'bcc-login' )
             )
         );
+
+        add_settings_field(
+            'bcc_track_clicks',
+            __( 'Track Clicks', 'bcc-login' ),
+            array( $this, 'render_checkbox_field' ),
+            $this->options_page,
+            'analytics',
+            array(
+                'name' => 'bcc_track_clicks',
+                'value' => $this->_settings->track_clicks,
+                'label' => __( 'Track analytics for buttons and links', 'bcc-login' )
+            )
+        );
+
+        add_settings_field(
+            'bcc_track_page_load',
+            __( 'Track Page Load', 'bcc-login' ),
+            array( $this, 'render_checkbox_field' ),
+            $this->options_page,
+            'analytics',
+            array(
+                'name' => 'bcc_track_page_load',
+                'value' => $this->_settings->track_page_load,
+                'label' => __( 'Track analytics for page url, referrer etc.', 'bcc-login' )
+            )
+        );
+
+        add_settings_field(
+            'bcc_track_page_interaction',
+            __( 'Track Page Interaction', 'bcc-login' ),
+            array( $this, 'render_checkbox_field' ),
+            $this->options_page,
+            'analytics',
+            array(
+                'name' => 'bcc_track_page_interaction',
+                'value' => $this->_settings->track_page_interaction,
+                'label' => __( 'Track analytics for time spent on page', 'bcc-login' )
+            )
+        );
     }
 
     /**

plugins/bcc-login/includes/class-bcc-login-widgets.php

@@ -10,7 +10,7 @@ function __construct( BCC_Login_Settings $settings, BCC_Login_Client $client ) {
         $this->client = $client;
 
         add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_styles' ) );
-        add_action( 'wp_head', array( $this, 'render_topbar' ) );
+        add_action( 'wp_head', array( $this, 'render_topbar_and_analytics' ) );
         add_filter( 'body_class', array( $this, 'body_class' ) );
         add_action( 'init', array( $this, 'bcc_widgets_shortcodes' ) );
     }
@@ -23,9 +23,11 @@ function enqueue_styles() {
         }
     }
 
-    function render_topbar() {
+    function render_topbar_and_analytics() {
         if ( $this->should_show_topbar() ) {
-            echo '<script id="script-bcc-topbar" data-authentication-type="WebApp" data-authentication-location="' . site_url( '?bcc-login=access-token' ) . '" src="'.$this->settings->widgets_base_url.'/widgets/TopbarJs" defer></script>' . PHP_EOL;
+            echo '<script id="script-bcc-topbar" '.($this->settings->track_clicks ? "data-click-analytics=true" : "data-click-analytics=false").' '.($this->settings->track_page_interaction ? "data-page-interaction-analytics=true" : "data-page-interaction-analytics=false").' '.($this->settings->track_page_load ? "data-page-load-analytics=true" : "data-page-load-analytics=false").' data-authentication-type="WebApp" data-authentication-location="' . site_url( '?bcc-login=access-token' ) . '" src="'.$this->settings->widgets_base_url.'/widgets/TopbarJs" defer></script>' . PHP_EOL;
+        } else if ( $this->should_load_analytics() ) {
+            echo '<script id="script-bcc-analytics" '.($this->settings->track_clicks ? "data-click-analytics=true" : "data-click-analytics=false").' '.($this->settings->track_page_interaction ? "data-page-interaction-analytics=true" : "data-page-interaction-analytics=false").' '.($this->settings->track_page_load ? "data-page-load-analytics=true" : "data-page-load-analytics=false").' data-authentication-type="WebApp" data-authentication-location="' . site_url( '?bcc-login=access-token' ) . '" src="'.$this->settings->widgets_base_url.'/widgets/AnalyticsJs" defer></script>' . PHP_EOL;
         }
     }
 
@@ -45,6 +47,14 @@ function should_show_topbar() {
         );
     }
 
+   function should_load_analytics() {
+        return (
+            ($this->settings->track_clicks || $this->settings->track_page_load || $this->settings->track_page_interaction)  &&
+            ! wp_is_json_request() &&
+            ! is_customize_preview()
+        );
+    }
+
     function bcc_widgets_shortcodes() {
         add_shortcode( 'bcc-widgets-week-calendar', function ($attributes) {
             $attributes = array_change_key_case((array)$attributes, CASE_LOWER);