chore: refactor chat panel

crates/common/src/last_seen.rs

@@ -0,0 +1,57 @@
+use chrono::{Datelike, Local, TimeZone};
+use gpui::SharedString;
+use nostr_sdk::prelude::*;
+
+pub struct LastSeen(pub Timestamp);
+
+impl LastSeen {
+    pub fn ago(&self) -> SharedString {
+        let now = Local::now();
+        let input_time = Local.timestamp_opt(self.0.as_u64() as i64, 0).unwrap();
+        let diff = (now - input_time).num_hours();
+
+        if diff < 24 {
+            let duration = now.signed_duration_since(input_time);
+
+            if duration.num_seconds() < 60 {
+                "now".to_string().into()
+            } else if duration.num_minutes() == 1 {
+                "1m".to_string().into()
+            } else if duration.num_minutes() < 60 {
+                format!("{}m", duration.num_minutes()).into()
+            } else if duration.num_hours() == 1 {
+                "1h".to_string().into()
+            } else if duration.num_hours() < 24 {
+                format!("{}h", duration.num_hours()).into()
+            } else if duration.num_days() == 1 {
+                "1d".to_string().into()
+            } else {
+                format!("{}d", duration.num_days()).into()
+            }
+        } else {
+            input_time.format("%b %d").to_string().into()
+        }
+    }
+
+    pub fn human_readable(&self) -> SharedString {
+        let now = Local::now();
+        let input_time = Local.timestamp_opt(self.0.as_u64() as i64, 0).unwrap();
+
+        if input_time.day() == now.day() {
+            format!("Today at {}", input_time.format("%H:%M %p")).into()
+        } else if input_time.day() == now.day() - 1 {
+            format!("Yesterday at {}", input_time.format("%H:%M %p")).into()
+        } else {
+            format!(
+                "{}, {}",
+                input_time.format("%d/%m/%y"),
+                input_time.format("%H:%M %p")
+            )
+            .into()
+        }
+    }
+
+    pub fn set(&mut self, created_at: Timestamp) {
+        self.0 = created_at
+    }
+}

crates/common/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod constants;
+pub mod last_seen;
 pub mod profile;
 pub mod qr;
 pub mod utils;