From 40e1aca72f969cc85a690735fbf8f5f9c48739c5 Mon Sep 17 00:00:00 2001
From: Alexander Tesfamichael <alex.tesfamichael@gmail.com>
Date: Sat, 14 Sep 2024 12:40:10 +0200
Subject: [PATCH] feat(phoenix): use safe message char limit

---
 src/phoenix/alerts/telegram.rs | 2 +-
 src/phoenix/mod.rs             | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/phoenix/alerts/telegram.rs b/src/phoenix/alerts/telegram.rs
index 27c6d3b..ad90598 100644
--- a/src/phoenix/alerts/telegram.rs
+++ b/src/phoenix/alerts/telegram.rs
@@ -48,7 +48,7 @@ pub struct TelegramSafeAlert(String);
 
 const TELEGRAM_MAX_MESSAGE_LENGTH: usize = 4096;
 // Leave a little room for the escape characters and unknowns.
-const TELEGRAM_SAFE_MESSAGE_LENGTH: usize = TELEGRAM_MAX_MESSAGE_LENGTH - 2048;
+pub const TELEGRAM_SAFE_MESSAGE_LENGTH: usize = TELEGRAM_MAX_MESSAGE_LENGTH - 2048;
 
 impl TelegramSafeAlert {
     pub fn new(input: &str) -> Self {
diff --git a/src/phoenix/mod.rs b/src/phoenix/mod.rs
index ebd410d..7ad9cfe 100644
--- a/src/phoenix/mod.rs
+++ b/src/phoenix/mod.rs
@@ -17,6 +17,7 @@ use std::{
     sync::{Arc, Mutex},
 };
 
+use alerts::telegram::TELEGRAM_SAFE_MESSAGE_LENGTH;
 use anyhow::{anyhow, Result};
 use async_trait::async_trait;
 use axum::{http::StatusCode, routing::get, Router};
@@ -347,7 +348,11 @@ async fn handle_unexpected_error(
     telegram_alerts: TelegramAlerts,
     err: anyhow::Error,
 ) -> Result<()> {
-    let shortned_err = err.to_string().split_off(3072);
+    let shortned_err = err
+        .to_string()
+        .chars()
+        .take(TELEGRAM_SAFE_MESSAGE_LENGTH)
+        .collect::<String>();
     let escaped_err = telegram::escape_str(&shortned_err);
     let formatted_message = formatdoc!(
         "