Serve commit page entirely from the db

src/db.rs

@@ -0,0 +1,39 @@
+use std::time::Duration;
+
+use time::{format_description::well_known::Rfc3339, macros::format_description, OffsetDateTime};
+
+use crate::somehow;
+
+pub fn format_time(time: &str) -> somehow::Result<String> {
+    let now = OffsetDateTime::now_utc();
+    let time = OffsetDateTime::parse(time, &Rfc3339)?;
+    let delta = time - now;
+
+    let formatted_time = time.format(format_description!(
+        "[year]-[month]-[day] [hour]:[minute]:[second] [offset_hour sign:mandatory][offset_minute]"
+    ))?;
+    let formatted_delta =
+        humantime::format_duration(Duration::from_secs(delta.unsigned_abs().as_secs()));
+    Ok(if delta.is_positive() {
+        format!("{formatted_time} (in {formatted_delta})")
+    } else {
+        format!("{formatted_time} ({formatted_delta} ago)")
+    })
+}
+
+pub fn summary(message: &str) -> String {
+    // Take everything up to the first double newline
+    let title = message
+        .split_once("\n\n")
+        .map(|(t, _)| t)
+        .unwrap_or(message);
+
+    // Turn consecutive whitespace into a single space
+    title.split_whitespace().collect::<Vec<_>>().join(" ")
+}
+
+pub fn format_commit_short(hash: &str, message: &str) -> String {
+    let short_hash = hash.chars().take(8).collect::<String>();
+    let summary = summary(message);
+    format!("{short_hash} ({summary})")
+}