From 66bfe2a6eb1bf3e43ef33c11d7ff8c3e4a7a2a8f Mon Sep 17 00:00:00 2001
From: Chuck Scott <cscott@gaslightmedia.com>
Date: Fri, 17 Jun 2016 15:30:52 -0400
Subject: [PATCH] Reworked how we're checking for our rewrite rules and flusing
 the cache.

---
 setup/frontHooks.php | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/setup/frontHooks.php b/setup/frontHooks.php
index 7a42048..54492e2 100644
--- a/setup/frontHooks.php
+++ b/setup/frontHooks.php
@@ -26,12 +26,24 @@
  *  *** Also note that parameters will be in the context of the main front controller constructor. ***
  */
 
-// Setup rewrite for member detail pages
-add_filter('rewrite_rules_array', function($rules) {
-    $newrules = array();
-    $newrules['('.$this->config['settings']['canonical_event_page'].')/([^/]*)$'] = 'index.php?pagename=$matches[1]&eventslug=$matches[2]';
-    return $newrules + $rules;
-});
+// Check if the canonical event page rewrite rule is not currently in place.
+$rules = get_option( 'rewrite_rules' );
+if ( ! isset( $rules['('.$this->config['settings']['canonical_event_page'].')/([^/]*)$'] ) ) {
+
+    // Setup rewrite for member detail pages
+    add_filter('rewrite_rules_array', function($rules) {
+        $newrules = array();
+        $newrules['('.$this->config['settings']['canonical_event_page'].')/([^/]*)$']='index.php?pagename=$matches[1]&eventslug=$matches[2]';
+        return $newrules + $rules;
+    });
+
+    // Rewrite is not in place, so setup init call to add it and flush the rewrite cache
+    add_filter('init', function() {
+        global $wp_rewrite;
+        $wp_rewrite->flush_rules();
+    });
+
+}
 
 // Add eventslug query var
 add_filter('query_vars', function($vars) {
@@ -39,15 +51,6 @@ add_filter('query_vars', function($vars) {
     return $vars;
 });
 
-// On init, check if we need to flush the rewrite rules to pickup the new ones
-add_filter('init', function() {
-    $rules = get_option( 'rewrite_rules' );
-    if ( ! isset( $rules['('.$this->config['settings']['canonical_event_page'].')/([^/]*)$'] ) ) {
-        global $wp_rewrite;
-        $wp_rewrite->flush_rules();
-    }
-});
-
 if (isset($this->config['addOns']['glm-member-db'])) {
 
 //    // Add content to member listing page - Get it from the existing package listing shortcode
-- 
2.17.1