implement account id localstorage saving

src/templates.rs

@@ -254,6 +254,8 @@ pub fn root() -> Markup {
             "These were the two main reasons why I created this. This website couldn't exist without Carbuncle Plushy's tracker -- it uses the same data "
             "that has been painstakingly compiled by hand! If you can, please support them."
         }
+
+        script src="/static/scripts/load.js" type="text/javascript" {}
     })
 }
 
@@ -264,8 +266,10 @@ pub fn new_account(id: String) -> Markup {
             "access your account."
         }
 
-        h1 { (id) }
+        h1 id="account-id" { (id) }
 
         a href=(format!("/{}", id)) { "Click here to proceed to the tracker" }
+
+        script src="/static/scripts/save.js" type="text/javascript" {}
     })
 }

static/scripts/load.js

@@ -0,0 +1,6 @@
+// Loads an account ID and redirects
+const ls = window.localStorage;
+const maybeId = ls.getItem("beacon:account-id");
+if (maybeId) {
+  window.location.pathname = `/${maybeId}`;
+}

static/scripts/save.js

@@ -0,0 +1,6 @@
+// Saves the account ID in local storage
+const id = document.getElementById("account-id");
+const ls = window.localStorage;
+if (id) {
+  ls.setItem("beacon:account-id", id.innerHTML);
+}