Improve footer when article does not exist

assets/script.js

@@ -24,8 +24,6 @@ function openEditor() {
     const cancel = editor.querySelector('.cancel');
 
     const footer = document.querySelector("footer");
-    const articleId = footer.querySelector(".article-id");
-    const revision = footer.querySelector(".revision");
     const lastUpdated = footer.querySelector(".last-updated");
 
     textarea.style.height = rendered.clientHeight + "px";
@@ -68,6 +66,7 @@ function openEditor() {
             window.history.replaceState(null, result.title, result.slug == "" ? "." : result.slug);
             document.querySelector("title").textContent = result.title;
             lastUpdated.textContent = result.last_updated;
+            lastUpdated.classList.remove("missing");
 
             // Update body:
             rendered.innerHTML = result.rendered;

assets/style.css

@@ -214,6 +214,10 @@ footer dd:last-child::after {
     margin: 0;
 }
 
+li.missing, ul.dense>li.missing {
+    display: none;
+}
+
 input:focus, textarea:focus {
     outline: none;
 }

src/resources/article_resource.rs

@@ -58,7 +58,7 @@ impl Resource for ArticleResource {
         #[template="templates/article_revision.html"]
         struct Template<'a> {
             revision: i32,
-            last_updated: &'a str,
+            last_updated: Option<&'a str>,
 
             edit: bool,
             cancel_url: Option<&'a str>,
@@ -81,10 +81,10 @@ impl Resource for ArticleResource {
                         title: &data.title,
                         body: &Template {
                             revision: data.revision,
-                            last_updated: &last_updated(
+                            last_updated: Some(&last_updated(
                                 &Local.from_utc_datetime(&data.created),
                                 data.author.as_ref().map(|x| &**x)
-                            ),
+                            )),
                             edit: self.edit,
                             cancel_url: Some(&data.slug),
                             title: &data.title,

src/resources/new_article_resource.rs

@@ -53,7 +53,7 @@ impl Resource for NewArticleResource {
         #[template="templates/article_revision.html"]
         struct Template<'a> {
             revision: &'a str,
-            last_updated: &'a str,
+            last_updated: Option<&'a str>,
 
             edit: bool,
             cancel_url: Option<&'a str>,
@@ -75,7 +75,7 @@ impl Resource for NewArticleResource {
                         title: &title,
                         body: &Template {
                             revision: NDASH,
-                            last_updated: NDASH,
+                            last_updated: None,
 
                             // Implicitly start in edit-mode when no slug is given. This
                             // currently directly corresponds to the /_new endpoint

templates/article_revision.html

@@ -33,7 +33,7 @@
 
 <footer>
 <ul class="dense"
-    ><li class="last-updated">{{last_updated}}</li
+    ><li class="last-updated {{^last_updated}}missing{{/last_updated}}">{{#last_updated}}{{.}}{{/last_updated}}</li
     ><li><a id="openEditor" href="?edit">Edit</a></li
 ></ul>
 {{>footer/items.html}}