format error timestamps

server/src/lib.rs

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: AGPL-3.0-only
-use std::{borrow::Cow, net::SocketAddr, sync::Arc};
+use std::{borrow::Cow, net::SocketAddr, sync::Arc, collections::HashMap};
 
 use axum::{
     error_handling::HandleErrorLayer,
@@ -9,11 +9,12 @@ use axum::{
     routing::{get, get_service},
     Router,
 };
+use chrono::TimeZone;
 use entities::state::{scanner::ScannerConfig, AppState};
 use hyper::{header, StatusCode};
 use reqwest::Client;
 use sea_orm::DatabaseConnection;
-use tera::Tera;
+use tera::{Tera, from_value, to_value};
 use thiserror::Error;
 use tower::ServiceBuilder;
 use tower_http::{
@@ -97,6 +98,7 @@ pub async fn start(
     let config = Arc::new(config);
     let mut tera = Tera::new("server/templates/*")?;
     tera.autoescape_on(vec![".html.j2"]);
+    tera.register_function("fmt_date", fmt_date);
     let state = WebState {
         config: config.clone(),
         db,
@@ -203,3 +205,21 @@ impl axum::response::IntoResponse for ServerError {
         msg.into_response()
     }
 }
+
+/// Tera template function to format unix timestamps
+fn fmt_date(args: &HashMap<String, tera::Value>) -> tera::Result<tera::Value> {
+    match args.get("value") {
+        Some(time_val) => match from_value::<i64>(time_val.clone()) {
+            Ok(time_i64) => {
+                let format = match args.get("fmt") {
+                    None => "%Y.%m.%d %H:%M:%S",
+                    Some(v) => v.as_str().ok_or_else(||tera::Error::from("fmt has to be a string"))?,
+                };
+                let time = chrono::Utc.timestamp_opt(time_i64,0).single().ok_or_else(||tera::Error::from("Invalid timestamp"))?;
+                Ok(to_value(time.format(format).to_string()).unwrap())
+            },
+            Err(_) => Err("timestamp not an i64".into()),
+        },
+        None => Err("no value provided".into()),
+    }
+}

server/templates/errors_admin.html.j2

@@ -19,7 +19,7 @@
       <table id="status-tbl" class="table sortable table-hover table-sm">
       <thead>
           <tr>
-          <th scope="col">Time</th>
+          <th scope="col">Time <a rel="nofollow" href="https://time.is/UTC">UTC</a></th>
           <th scope="col">Message</th>
           <th scope="col">Http Body</th>
           <th scope="col">Http Status</th>
@@ -28,7 +28,7 @@
       <tbody>
         {% for error in ERRORS -%}
         <tr>
-          <td>{{error.time}}</td>
+          <td>{{fmt_date(value=error.time)}}</td>
           <td>{{error.message}}</td>
           <td>{{error.http_body}}</td>
           <td>{{error.http_status}}</td>