From 4bc0d2a707a08ea9f7359f46f9989bf156358026 Mon Sep 17 00:00:00 2001
From: phl0 <github@florian-wolters.de>
Date: Wed, 22 May 2024 17:36:33 +0200
Subject: [PATCH] Catch empty grid and inform user to correct config

---
 application/controllers/Sattimers.php | 16 ++++++++++++++--
 application/views/sattimers/index.php | 10 +++++++++-
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/application/controllers/Sattimers.php b/application/controllers/Sattimers.php
index 66332e392..7de010f91 100644
--- a/application/controllers/Sattimers.php
+++ b/application/controllers/Sattimers.php
@@ -24,10 +24,22 @@ class Sattimers extends CI_Controller {
 			$this->cache->save('SatTimers'.strtoupper($this->stations->find_gridsquare()), $RawData, (60*1));
 		} 
 
-		$json = $RawData;
 
-		$data['activations'] = json_decode($json, true)['data'];
+		$json = $RawData;
+		$response = json_decode($json, true);
+		if (array_key_exists('data', $response)) {
+			$data['activations'] = json_decode($json, true)['data'] ?? [];
+		} else if (array_key_exists('error', $response)) {
+			$this->session->set_flashdata('message', 'Error: '.$response['error']);
+			$data['activations'] = [];
+		} else {
+			$data['activations'] = [];
+		}
+
 		$data['gridsquare'] = strtoupper($this->stations->find_gridsquare());
+		if ($data['gridsquare'] == "0") {
+			$this->session->set_flashdata('message', lang('dashboard_locations_warning'));
+		}
 
 		$data['page_title'] = "Satellite Timers";
 
diff --git a/application/views/sattimers/index.php b/application/views/sattimers/index.php
index 3a05c895d..344b5db89 100644
--- a/application/views/sattimers/index.php
+++ b/application/views/sattimers/index.php
@@ -2,10 +2,18 @@
 var custom_date_format = "<?php echo $custom_date_format ?>";
 </script>
 <div class="container">
+    <?php if ($this->session->flashdata('message')) { ?>
+        <!-- Display Message -->
+        <div class="alert alert-danger" role="alert">
+            <p><?php echo $this->session->flashdata('message'); ?></p>
+        </div>
+    <?php } ?>
 <div class="table-responsive">
    <br>
     <h2>Satellite Timers</h2>
-    <p>This data is from <a target="_blank" href="https://www.df2et.de/tevel/">https://www.df2et.de/tevel/</a> calculated for current station location grid <?php echo strtoupper($gridsquare);?>.</p>
+    <?php if ($gridsquare != 0) { ?>
+       <p>This data is from <a target="_blank" href="https://www.df2et.de/tevel/">https://www.df2et.de/tevel/</a> calculated for current station location grid <?php echo strtoupper($gridsquare);?>.</p>
+    <?php } ?>
     <script type="text/javascript">
         let dateArray = [];
         dateArray.push(0);