Some refactoring

src/handlebars_util.rs

@@ -1,13 +1,26 @@
-use rocket_contrib::templates::Engines;
+use chrono::NaiveDateTime;
 use handlebars::handlebars_helper;
+use rocket_contrib::templates::Engines;
 
 pub fn register_helpers(engines: &mut Engines) {
     handlebars_helper!(pretty_datetime: |dt: str| {
-        let date = dt.trim_end_matches(|c| c != 'T').trim_end_matches('T');
-        let time = dt.trim_start_matches(|c| c != 'T').trim_start_matches('T')
-            .trim_end_matches(|c| c != ':').trim_end_matches(':');
-        format!("{} {}", date, time)
+        let dt: NaiveDateTime = dt.parse().unwrap();
+        format!("{}", dt.format("%Y-%m-%d %H:%M"))
     });
+    engines
+        .handlebars
+        .register_helper("pretty_datetime", Box::new(pretty_datetime));
 
-    engines.handlebars.register_helper("pretty_datetime", Box::new(pretty_datetime));
+    handlebars_helper!(pretty_seconds: |secs: u64| {
+        let minutes = secs / 60;
+        let hours = minutes / 60;
+        if hours > 0 {
+            format!("{}h {}m", hours, minutes)
+        } else {
+            format!("{}m", minutes)
+        }
+    });
+    engines
+        .handlebars
+        .register_helper("pretty_seconds", Box::new(pretty_seconds));
 }