add in other required feed elements

Author: steveklabnik

src/main.rs

@@ -31,6 +31,7 @@ struct Post {
     day: String,
     contents: String,
     url: String,
+    published: String,
 }
 
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
@@ -125,6 +126,25 @@ impl Blog {
 
             // this is fine
             let url = format!("{}/{}/{}/{}", year, month, day, url.to_str().unwrap());
+            
+            // build the published time. this is only approximate, which is fine.
+            // we do some unwraps because these need to be valid
+            let published = time::Tm {
+                tm_sec: 0,
+                tm_min: 0,
+                tm_hour: 0,
+                tm_mday: day.parse::<i32>().unwrap(),
+                tm_mon: month.parse::<i32>().unwrap() - 1, // 0-11 not 1-12
+                tm_year: year.parse::<i32>().unwrap() - 1900, // from the year 1900, not the actual year
+                // these next two fields are wrong but we never use them to generate our times
+                tm_wday: 1,
+                tm_yday: 1,
+                tm_isdst: 0,
+                tm_utcoff: 0,
+                tm_nsec: 0,
+            };
+
+            let published = published.rfc3339().to_string();
 
             let post = Post {
                 filename,
@@ -136,6 +156,7 @@ impl Blog {
                 day,
                 contents,
                 url,
+                published,
             };
 
             posts.push(post);

templates/feed.hbs

@@ -3,6 +3,7 @@
     <generator uri="https://blog.rust-lang.org/" version="0.1.0">Rust Blog</generator>
     <link href="https://blog.rust-lang.org/feed.xml" rel="self" type="application/atom+xml" />
     <link href="https://blog.rust-lang.org/" rel="alternate" type="text/html" />
+    <id>https://blog.rust-lang.org/</id>
     <title>Rust Blog</title>
     <subtitle>Empowering everyone to build reliable and efficient software.</subtitle>
     <author>
@@ -15,7 +16,8 @@
     <entry>
         <title>{{title}}</title>
         <link rel="alternate" href="https://blog.rust-lang.org/{{url}}" type="text/html" title="{{title}}" />
-        <published>{{year}}-{{month}}-{{day}}</published>
+        <published>{{ published }}</published>
+        <updated>{{ published }}</updated>
         <id>https://blog.rust-lang.org/{{url}}</id>
         <content type="html" xml:base="https://blog.rust-lang.org/{{url}}">{{contents}}</content>