add setting to exclude pageviews from ip addresses

src/class-admin.php

@@ -206,6 +206,7 @@ public function save_settings(): void
         check_admin_referer('koko_analytics_save_settings');
         $new_settings                        = $_POST['koko_analytics_settings'];
         $settings                            = get_settings();
+        $settings['exclude_ip_addresses']    = array_filter(array_map('trim', explode(PHP_EOL, str_replace(',', PHP_EOL, strip_tags($new_settings['exclude_ip_addresses'])))), function($value) { return $value !== ''; });
         $settings['exclude_user_roles']      = $new_settings['exclude_user_roles'] ?? array();
         $settings['prune_data_after_months'] = abs((int) $new_settings['prune_data_after_months']);
         $settings['use_cookie']              = (int) $new_settings['use_cookie'];

src/class-script-loader.php

@@ -38,6 +38,14 @@ public function maybe_enqueue_script(bool $echo = false)
             }
         }
 
+        // Do not load script if excluded by IP address
+        if (count($settings['exclude_ip_addresses']) > 0) {
+            $ip_address = $_SERVER['REMOTE_ADDR'] ?? '';
+            if ($ip_address !== '' && in_array($ip_address, $settings['exclude_ip_addresses'], true)) {
+                return;
+            }
+        }
+
         // TODO: Handle "term" requests so we track both terms and post types.
         add_filter('script_loader_tag', array( $this, 'add_async_attribute' ), 20, 2);
 

src/functions.php

@@ -154,6 +154,7 @@ function get_settings(): array
     $default_settings = array(
         'use_cookie' => 1,
         'exclude_user_roles' => array(),
+        'exclude_ip_addresses' => array(),
         'prune_data_after_months' => 5 * 12, // 5 years
         'default_view' => 'last_28_days',
         'is_dashboard_public' => 0,

src/views/settings-page.php

@@ -42,10 +42,25 @@
                     ?>
                 </select>
                 <p class="description">
-                    <?php esc_html_e('Visits and pageviews from users with any of the selected roles will be ignored.', 'koko-analytics'); ?>
+                    <?php esc_html_e('Visits and pageviews from any of the selected user roles will be ignored.', 'koko-analytics'); ?>
                     <?php esc_html_e('Use CTRL to select multiple options.', 'koko-analytics'); ?>
                 </p>
             </div>
+
+            <div class="ka-margin-m">
+                <label for="ka-exclude-ip-addresses" class="ka-settings--label"><?php esc_html_e('Exclude pageviews from these IP addresses', 'koko-analytics'); ?></label>
+                <textarea id="ka-exclude-ip-addresses" name="koko_analytics_settings[exclude_ip_addresses]" class="widefat" rows="6"><?php foreach($settings['exclude_ip_addresses'] as $ip) {
+                        echo esc_html($ip) . PHP_EOL;
+                    } ?></textarea>
+                <p class="description">
+                    <?php esc_html_e('Visits and pageviews from any of these IP addresses will be ignored.', 'koko-analytics'); ?>
+                    <?php echo ' '; ?>
+                    <?php esc_html_e('Enter each IP address on its own line.', 'koko-analytics'); ?>
+                    <?php echo ' '; ?>
+                    <?php printf(esc_html__('Your current IP address is %s.', 'koko-analytics'), '<code>' . $_SERVER['REMOTE_ADDR'] . '</code>'); ?>
+                </p>
+            </div>
+
             <div class="ka-margin-m">
                 <fieldset>
                     <legend class="ka-settings--label"><?php esc_html_e('Use cookie to determine unique visitors and pageviews?', 'koko-analytics'); ?></legend>