new: Show version number

actix/resources/index.html

@@ -63,7 +63,9 @@
     </div>
 
     <div name="github-link">
-        <a href="https://github.com/SinTan1729/chhoto-url" target="_blank" rel="noopener noreferrer">Source Code</a>
+        <a id="version-number" href="https://github.com/SinTan1729/chhoto-url" target="_blank" rel="noopener noreferrer"
+            hidden>Source Code</a>
+        <!-- The version number would be inserted here -->
     </div>
 
     <dialog id="login-dialog">

actix/resources/static/script.js

@@ -9,6 +9,12 @@ const getSiteUrl = async () => await fetch("/api/siteurl")
         }
     });
 
+const getVersion = async () => await fetch("/api/version")
+    .then(res => res.text())
+    .then(text => {
+        return text;
+    });
+
 const refreshData = async () => {
     let reply = await fetch("/api/all").then(res => res.text());
     if (reply == "logged_out") {
@@ -32,7 +38,14 @@ const refreshData = async () => {
 };
 
 const displayData = async (data) => {
+    let version = await getVersion();
+    link = document.getElementById("version-number")
+    link.innerText = "v" + version;
+    link.href = "https://github.com/SinTan1729/chhoto-url/releases/tag/" + version;
+    link.hidden = false;
+
     let site = await getSiteUrl();
+
     table_box = document.querySelector(".pure-table");
     loading_text = document.getElementsByName("loading-text")[0];
 

actix/src/main.rs

@@ -19,6 +19,9 @@ struct AppState {
     db: Connection,
 }
 
+// Store the version number
+const VERSION: &str = env!("CARGO_PKG_VERSION");
+
 // Define the routes
 
 // Add new links
@@ -57,6 +60,12 @@ async fn siteurl(session: Session) -> HttpResponse {
     }
 }
 
+// Get the version number
+#[get("/api/version")]
+async fn version() -> HttpResponse {
+    HttpResponse::Ok().body(VERSION)
+}
+
 // 404 error page
 async fn error404() -> impl Responder {
     NamedFile::open_async("./resources/static/404.html")
@@ -141,6 +150,7 @@ async fn main() -> std::io::Result<()> {
             .service(link_handler)
             .service(getall)
             .service(siteurl)
+            .service(version)
             .service(add_link)
             .service(delete_link)
             .service(login)