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use chrono::Utc;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use std::fmt::Display;
#[derive(Clone, Debug, Default, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct Message<T: Display = Value> {
pub data: Vec<T>,
pub timestamp: i64,
}
impl<T: Display> Message<T> {
pub fn new(data: Vec<T>) -> Self {
let timestamp = Utc::now().timestamp();
Self { data, timestamp }
}
pub fn content(&self) -> &Vec<T> {
&self.data
}
pub fn push(&mut self, data: T) -> &Self {
self.data.push(data);
self
}
}
impl<T: Display> std::convert::From<Vec<T>> for Message<T> {
fn from(data: Vec<T>) -> Self {
Self::new(data)
}
}
impl<T: Display> std::convert::From<T> for Message<T> {
fn from(data: T) -> Self {
Self::new(vec![data])
}
}
impl<T: Serialize + Display> Display for Message<T> {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(
f,
"{}",
serde_json::to_string(&self).unwrap().to_lowercase()
)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_default_message() {
let a = Message::<String>::default();
assert_eq!(&a.data, &a.data)
}
}