Add cli & lib crates

server/src/handlebars_util.rs

@@ -0,0 +1,28 @@
+use chrono::{DateTime, Local};
+use handlebars::handlebars_helper;
+use rocket_contrib::templates::Engines;
+
+pub fn register_helpers(engines: &mut Engines) {
+    handlebars_helper!(pretty_datetime: |dt: str| {
+        let dt: DateTime<Local> = dt.parse().unwrap();
+        format!("{}", dt.format("%Y-%m-%d %H:%M"))
+    });
+    engines
+        .handlebars
+        .register_helper("pretty_datetime", Box::new(pretty_datetime));
+
+    handlebars_helper!(pretty_seconds: |secs: u64| {
+        let hours = secs / 60 / 60;
+        let minutes = secs / 60 % 60;
+        if hours == 0 {
+            format!("{}m", minutes)
+        } else if minutes == 0 {
+            format!("{}h", hours)
+        } else {
+            format!("{}h {}m", hours, minutes)
+        }
+    });
+    engines
+        .handlebars
+        .register_helper("pretty_seconds", Box::new(pretty_seconds));
+}