show relative created time on events

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Views/EventDetailView.swift

@@ -9,14 +9,21 @@ import SwiftUI
 
 struct EventDetailView: View {
     let event: NostrEvent
+    let profile: Profile?
 
     var body: some View {
-        Text("EventDetailView")
+        HStack {
+            VStack {
+                ProfilePicView(picture: profile?.picture, size: 64)
+
+                Spacer()
+            }
+        }
     }
 }
 
 struct EventDetailView_Previews: PreviewProvider {
     static var previews: some View {
-        EventDetailView(event: NostrEvent(content: "Hello", pubkey: "Guy"))
+        EventDetailView(event: NostrEvent(content: "Hello", pubkey: "Guy"), profile: nil)
     }
 }

damus/Views/EventView.swift

@@ -28,7 +28,8 @@ struct EventView: View {
                         .onTapGesture {
                             UIPasteboard.general.string = event.pubkey
                         }
-                        .frame(maxWidth: .infinity, alignment: .leading)
+                    Text("\(format_relative_time(event.created_at))")
+                        .foregroundColor(.gray)
                     Spacer()
                     if (event.pow ?? 0) >= 10 {
                         Text("\(event.pow ?? 0)")
@@ -56,3 +57,8 @@ func calculate_pow_color(_ pow: Int) -> Color
     let x = Double(pow) / 30.0;
     return Color(.sRGB, red: 2.0 * (1.0 - x), green: 2.0 * x, blue: 0, opacity: 0.5)
 }
+
+func format_relative_time(_ created_at: Int64) -> String
+{
+    return time_ago_since(Date(timeIntervalSince1970: Double(created_at)))
+}