ISTWCMS-2798: 404 events archives

uw_ct_event.module

@@ -253,6 +253,58 @@ function uw_ct_event_form_alter(&$form, &$form_state, $form_id) {
   }
 }
 
+/**
+ * Implements hook_views_post_render().
+ *
+ * Return 404 if the date argument is +/- current date and there are
+ * no future/past ahead/behind it.
+ */
+function uw_ct_event_views_post_render(&$view, &$output, &$cache) {
+
+  if ($view->name == 'events_responsive' && $view->current_display == 'events_archive_page' && count($view->result) == 0) {
+
+    $first_arg = check_plain($view->args[0]);
+
+    if (isset($first_arg)) {
+      $one_year_future_time = strtotime('+1 years');
+      $one_year_past_time = strtotime('-1 years');
+      $first_arg_time = strtotime($first_arg);
+
+      if ($first_arg_time > strtotime('+1 day', $one_year_future_time)) {
+        // Get the furthest in the future event date.
+        // If it is greater than that, then throw 404.
+        // Add a day so we do not have to worry about timezones.
+        $future_date = format_date(strtotime('+1 days', $first_arg_time), 'custom', 'c');
+        $futureQuery = new EntityFieldQuery();
+        $future_results = $futureQuery->entityCondition('entity_type', 'node')
+          ->propertyCondition('status', 1)
+          ->fieldCondition('field_event_date', 'value2', $future_date, '>')
+          ->execute();
+        if (empty($future_results)) {
+          drupal_not_found();
+          drupal_exit();
+        }
+      }
+
+      if ($first_arg_time < strtotime('-1 day', $one_year_past_time)) {
+        // Get the earliest previous event data.
+        // If it is less than that, then throw 404.
+        // Subtract a day so we do not have to worry about timezones.
+        $past_date = format_date(strtotime('-1 days', $first_arg_time), 'custom', 'c');
+        $pastQuery = new EntityFieldQuery();
+        $past_results = $pastQuery->entityCondition('entity_type', 'node')
+          ->propertyCondition('status', 1)
+          ->fieldCondition('field_event_date', 'value', $past_date, '<')
+          ->execute();
+        if (empty($past_results)) {
+          drupal_not_found();
+          drupal_exit();
+        }
+      }
+    }
+  }
+}
+
 /**
  * Implements hook_views_pre_render().
  *