add timestamp to ChatMessage struct

Cargo.lock

@@ -336,6 +336,7 @@ dependencies = [
  "axum",
  "axum-valid",
  "axum_typed_multipart",
+ "chrono",
  "futures-util",
  "serde",
  "serde_json",
@@ -353,6 +354,7 @@ dependencies = [
  "iana-time-zone",
  "js-sys",
  "num-traits",
+ "serde",
  "wasm-bindgen",
  "windows-link",
 ]

Cargo.toml

@@ -13,3 +13,4 @@ axum-valid = { path = "../axum-valid", features = ["basic", "typed_multipart", "
 validify = "2.0.0"
 axum_typed_multipart = "0.16.2"
 serde_json = "1.0.140"
+chrono = { version = "0.4.41", features = ["serde"] }

src/message.rs

@@ -1,3 +1,4 @@
+use chrono::{NaiveDateTime, Utc};
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -5,10 +6,15 @@ use serde::{Deserialize, Serialize};
 pub struct ChatMessage {
     pub sender_id: u32,
     pub content: String,
+    pub timestamp: NaiveDateTime,
 }
 
 impl ChatMessage {
     pub fn new(sender_id: u32, content: String) -> Self {
-        Self { sender_id, content }
+        Self {
+            sender_id,
+            content,
+            timestamp: Utc::now().naive_utc(),
+        }
     }
 }