add check for tickets on sale

index.php

@@ -47,6 +47,7 @@ $router->get('/', function () {
         header('Location: /sold-out');
     }
 
+    checkIfTicketsAreOnSale();
     include 'views/common/head.php';
     include 'views/family.php';
     include 'views/common/footer.php';
@@ -59,6 +60,7 @@ $router->get('/notify', function () {
 });
 
 $router->get('/step-1', function () {
+    checkIfTicketsAreOnSale();
     include 'views/common/head.php';
     include 'views/step1.php';
     include 'views/common/footer.php';

src/functions.php

@@ -84,4 +84,15 @@ function shoppingCartTotal($price)
                 <span>Total</span>
                 <strong>' . '$' . number_format(($price / 100), 2) . '</strong>
             </li>';
+}
+
+function checkIfTicketsAreOnSale() {
+    $todaysDate = new DateTime('now', new DateTimeZone('America/Chicago'));
+    $dateOnSale = new DateTime('3/15/2019 9:00am', new DateTimeZone('America/Chicago'));
+    $interval = $todaysDate->diff($dateOnSale);
+
+    if($interval->days >= 0 && $interval->invert === 0) {
+        header('Location: /notify?d='.$dateOnSale->format('c'));
+    }
+
 }

views/notify.php

@@ -3,6 +3,12 @@
         <div class="mb-12 text-center">
             <br/><br/>
             <h3>Sorry - tickets are not on sale to the public yet.</h3>
+            <?php
+            if (isset($_GET['d'])) {
+                $date = new DateTime($_GET['d']);
+                echo '<h5>Tickets go on sale ' . $date->format('F jS, Y \a\t h:ia') . '</h5>';
+            }
+            ?>
             <!-- Begin Mailchimp Signup Form -->
             <link href="//cdn-images.mailchimp.com/embedcode/classic-10_7.css" rel="stylesheet" type="text/css">
             <style type="text/css">