Update documentation and make setScore idempotent

1 files changed, 11 insertions, 2 deletions

diff --git a/src/highscores.js b/src/highscores.js
index e735eee..82db612 100644
--- a/src/highscores.js
+++ b/src/highscores.js
@@ -1,10 +1,19 @@
 function submitScore(game, score, username){
+    // Prompt for the username
     if(username == undefined){
         username = prompt("Enter a name to submit score", "");
     }
+    // If the user filled out the prompt, post the score
     if (!(username  == null || username == "")) {
-        const request = new Request(`/setScore?game=${game}&username=${username}&score=${score}`);
-        fetch(request);
+        // Get a uuid to identify this request by (for idempotency)
+        fetch(new Request(`/uuid`))
+        .then(response => response.text()
+        .then(uuid => {
+            const request = new Request(`/setScore?game=${game}&username=${username}&score=${score}&uuid=${uuid}`);
+            fetch(request);
+        }));
+        
     } 
+    // Return the username for later use by the game
     return username
 }
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