cache dashboard graph

system/controllers/dashboard.php

@@ -100,6 +100,11 @@ foreach ($tmp as $plan) {
     }
 }
 
+$cacheMRfile = File::pathFixer('system/cache/monthlyRegistered.json');
+//Cache for 1 hour
+if(file_exists($cacheMRfile) && time()- filemtime($cacheMRfile) < 3600){
+    $monthlyRegistered = json_decode(file_get_contents($cacheMRfile), true);
+}else{
     //Monthly Registered Customers
     $result = ORM::for_table('tbl_customers')
         ->select_expr('MONTH(created_at)', 'month')
@@ -108,25 +113,29 @@ $result = ORM::for_table('tbl_customers')
         ->group_by_expr('MONTH(created_at)')
         ->find_many();
 
-$counts = [];
+    $monthlyRegistered = [];
     foreach ($result as $row) {
-    $counts[] = [
+        $monthlyRegistered[] = [
             'date' => $row->month,
             'count' => $row->count
         ];
     }
+    file_put_contents($cacheMRfile, json_encode($monthlyRegistered));
+}
 
+$cacheMSfile = File::pathFixer('system/cache/monthlySales.json');
+//Cache for 24 hours
+if(file_exists($cacheMSfile) && time()- filemtime($cacheMSfile) < 86400){
+    $monthlySales = json_decode(file_get_contents($cacheMSfile), true);
+}else{
     // Query to retrieve monthly data
-$query = ORM::for_table('tbl_transactions')
+    $results = ORM::for_table('tbl_transactions')
         ->select_expr('MONTH(recharged_on)', 'month')
         ->select_expr('SUM(price)', 'total')
         ->where_raw("YEAR(recharged_on) = YEAR(CURRENT_DATE())") // Filter by the current year
         ->group_by_expr('MONTH(recharged_on)')
         ->find_many();
 
-// Execute the query and retrieve the monthly sales data
-$results = $query->find_many();
-
     // Create an array to hold the monthly sales data
     $monthlySales = array();
 
@@ -156,12 +165,14 @@ ksort($monthlySales);
 
     // Reindex the array
     $monthlySales = array_values($monthlySales);
+    file_put_contents($cacheMSfile, json_encode($monthlySales));
+}
 
 // Assign the monthly sales data to Smarty
 $ui->assign('monthlySales', $monthlySales);
 $ui->assign('xheader', '<script src="https://cdn.jsdelivr.net/npm/apexcharts@3.28.0/dist/apexcharts.min.js"></script>');
 $ui->assign('xfooter', '');
-$ui->assign('counts', $counts);
+$ui->assign('monthlyRegistered', $monthlyRegistered);
 $ui->assign('stocks', $stocks);
 $ui->assign('plans', $plans);
 

ui/ui/dashboard.tpl

@@ -194,7 +194,7 @@
 {literal}
     <script type="text/javascript">
         document.addEventListener("DOMContentLoaded", function() {
-            var counts = JSON.parse('{/literal}{$counts|json_encode}{literal}');
+            var counts = JSON.parse('{/literal}{$monthlyRegistered|json_encode}{literal}');
 
             var monthNames = [
                 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',