list the other blogs in the main index

This...doesn't look great yet.

Author: nikomatsakis

src/main.rs

@@ -131,10 +131,18 @@ impl Generator {
     }
 
     fn render_index(&self, blog: &Blog) -> Result<(), Box<dyn Error>> {
+        let other_blogs: Vec<_> = self.blogs.iter().filter(|b| b.index_title() != blog.index_title())
+            .map(|other_blog| json!({
+                "name": other_blog.index_title(),
+                "url": other_blog.prefix().join("index.html"),
+            }))
+            .collect();
+
         let data = json!({
             "title": blog.index_title(),
             "parent": "layout",
             "blog": blog,
+            "other_blogs": other_blogs,
         });
         self.render_template(blog.prefix().join("index.html"), "index", data)?;
         Ok(())

templates/index.hbs

@@ -2,7 +2,15 @@
 <header class="mt3 mt0-ns mb6-ns">
   <div class="container flex flex-column flex-row-l justify-between-l">
     <div class="mw8-l">
-      <h1>Blog</h1>
+      <h1>Posts</h1>
+    </div>
+  </div>
+  <div class="container flex flex-column flex-row-l justify-between-l">
+    <div class="mw8-l">
+      <b>See also:</b>
+      {{#each other_blogs}}
+              <a href="{{url}}">{{name}}</a>
+      {{/each}}
     </div>
   </div>
 </header>