From 31ac64ae652a94905a3f88b5a2a7472aa6027ada Mon Sep 17 00:00:00 2001
From: Peter Goodhall <peter@magicbug.co.uk>
Date: Tue, 19 Aug 2025 17:38:45 +0100
Subject: [PATCH] Add offset parameter to visitor map view

Introduces an offset parameter to the Visitor controller and updates the footer view to include the offset in the map URL. This enables paginated or segmented access to QSOs for public logbook pages.

Fixes #3317
---
 application/controllers/Visitor.php         | 3 ++-
 application/views/visitor/layout/footer.php | 8 ++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/application/controllers/Visitor.php b/application/controllers/Visitor.php
index 9e61aaf3..68ce5ed7 100644
--- a/application/controllers/Visitor.php
+++ b/application/controllers/Visitor.php
@@ -180,6 +180,7 @@ class Visitor extends CI_Controller {
 		$this->load->library('qra');
 
         $slug = $this->security->xss_clean($this->uri->segment(3));
+		$offset = $this->security->xss_clean($this->uri->segment(4));
 
         $this->load->model('logbooks_model');
         $logbook_id = $this->logbooks_model->public_slug_exists_logbook_id($slug);
@@ -196,7 +197,7 @@ class Visitor extends CI_Controller {
             show_404('Unknown Public Page.');
         }
 
-		$qsos = $this->logbook_model->get_qsos('18', null, $logbooks_locations_array);
+		$qsos = $this->logbook_model->get_qsos('18', $offset, $logbooks_locations_array);
 		// [PLOT] ADD plot //
 		$plot_array = $this->logbook_model->get_plot_array_for_map($qsos->result());
 	
diff --git a/application/views/visitor/layout/footer.php b/application/views/visitor/layout/footer.php
index 99f05728..a9304a50 100644
--- a/application/views/visitor/layout/footer.php
+++ b/application/views/visitor/layout/footer.php
@@ -36,8 +36,12 @@
         var q_lng = -32.695312;
         <?php } ?>
 
-        <?php if(isset($slug)) { ?>
-        var qso_loc = '<?php echo site_url('visitor/map/'.$slug);?>';
+        <?php if(isset($slug)) { 
+          $offset = $this->uri->segment(4);
+        ?>
+
+
+        var qso_loc = '<?php echo site_url('visitor/map/'.$slug.'/'.$offset);?>';
         <?php } ?>
         var q_zoom = 3;