cache dashboard graph

system/controllers/dashboard.php

@@ -100,38 +100,47 @@ foreach ($tmp as $plan) {
     }
 }
 
-//Monthly Registered Customers
+$cacheMRfile = File::pathFixer('system/cache/monthlyRegistered.json');
-$result = ORM::for_table('tbl_customers')
+//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')
         ->select_expr('COUNT(*)', 'count')
         ->where_raw('YEAR(created_at) = YEAR(NOW())')
         ->group_by_expr('MONTH(created_at)')
         ->find_many();
 
-$counts = [];
+    $monthlyRegistered = [];
-foreach ($result as $row) {
+    foreach ($result as $row) {
-    $counts[] = [
+        $monthlyRegistered[] = [
             'date' => $row->month,
             'count' => $row->count
         ];
+    }
+    file_put_contents($cacheMRfile, json_encode($monthlyRegistered));
 }
 
-// Query to retrieve monthly data
+$cacheMSfile = File::pathFixer('system/cache/monthlySales.json');
-$query = ORM::for_table('tbl_transactions')
+//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
+    $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
+    // Create an array to hold the monthly sales data
-$results = $query->find_many();
+    $monthlySales = array();
 
-// Create an array to hold the monthly sales data
+    // Iterate over the results and populate the array
-$monthlySales = array();
+    foreach ($results as $result) {
-
-// Iterate over the results and populate the array
-foreach ($results as $result) {
         $month = $result->month;
         $totalSales = $result->total;
 
@@ -139,29 +148,31 @@ foreach ($results as $result) {
             'month' => $month,
             'totalSales' => $totalSales
         );
-}
+    }
 
-// Fill in missing months with zero sales
+    // Fill in missing months with zero sales
-for ($month = 1; $month <= 12; $month++) {
+    for ($month = 1; $month <= 12; $month++) {
         if (!isset($monthlySales[$month])) {
             $monthlySales[$month] = array(
                 'month' => $month,
                 'totalSales' => 0
             );
         }
+    }
+
+    // Sort the array by month
+    ksort($monthlySales);
+
+    // Reindex the array
+    $monthlySales = array_values($monthlySales);
+    file_put_contents($cacheMSfile, json_encode($monthlySales));
 }
 
-// Sort the array by month
-ksort($monthlySales);
-
-// Reindex the array
-$monthlySales = array_values($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',