From 1d4e35cee496757e161eb2766f788bf6523b8223 Mon Sep 17 00:00:00 2001
From: Kuba Orlik <kontatk@kuba-orlik.name>
Date: Wed, 27 Apr 2022 09:35:20 +0200
Subject: [PATCH] Prevent refreshing having influence on the card

---
 card.html.js | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)
diff --git a/card.html.js b/card.html.js
index 6713826..4258451 100644
--- a/card.html.js
+++ b/card.html.js
@@ -36,18 +36,25 @@ module.exports = function (id, card) {
         }
       </style>
       <img id="track" style="opacity:0" />
-      <script>
-        track.src = \`/track?id=${id}&DNT=\${navigator.doNotTrack}&lang=\${
-          navigator.language
-        }&res=\${
-          window.screen.width + "x" + window.screen.height
-        }&appCodeName=\${navigator.appCodeName}&appVersion=\${
-          navigator.appVersion
-        }&platform=\${navigator.platform}\`;
-      </script>
       <body>
         <h1>Twoja karta to:</h1>
-        <div>${getEmoji(card)}</div>
+        <div id="card">${getEmoji(card)}</div>
+        <script>
+          (function () {
+            if (localStorage.getItem("card")) {
+              card.innerHTML = localStorage.getItem("card");
+              return;
+            }
+            localStorage.setItem("card", \`${getEmoji(card)}\`);
+            track.src = \`/track?id=${id}&DNT=\${navigator.doNotTrack}&lang=\${
+              navigator.language
+            }&res=\${
+              window.screen.width + "x" + window.screen.height
+            }&appCodeName=\${navigator.appCodeName}&appVersion=\${
+              navigator.appVersion
+            }&platform=\${navigator.platform}\`;
+          })();
+        </script>
       </body>
     </html> `;
 };
