feat: heartbeat check with log, sheet api config

Signed-off-by: Pakin <pakin.t@forth.co.th>

src/websocket/helper.rs

@@ -1,4 +1,4 @@
-use std::collections::HashMap;
+use std::{collections::HashMap, fs::File, io::BufReader};
 
 use super::model::*;
 use axum::extract::ws::{CloseFrame, Message, WebSocket};
@@ -84,3 +84,23 @@ pub fn get_extra_parameters(s: String) -> HashMap<String, String> {
 
     result
 }
+
+pub fn read_sheet_config() -> Result<Vec<String>, Box<dyn std::error::Error>> {
+    let mut res = Vec::new();
+
+    let config_file = File::open("./sheet-api.json")?;
+    let mut buf = BufReader::new(config_file);
+
+    let val: serde_json::Value = serde_json::from_reader(&mut buf)?;
+
+    if let Some(eobj) = val.get("endpoints")
+        && let Some(endpoint_array) = eobj.as_array().clone()
+    {
+        res = endpoint_array
+            .iter()
+            .map(|x| x.as_str().unwrap_or_default().to_string())
+            .collect::<Vec<String>>();
+    }
+
+    Ok(res)
+}