Add function to extract logs

central_backend/src/logs/logs_manager.rs

@@ -39,3 +39,20 @@ pub fn save_log(
 
     Ok(())
 }
+
+/// Make a logs extraction
+pub fn get_logs(day: u64) -> anyhow::Result<Vec<LogEntry>> {
+    let file = AppConfig::get().log_of_day(day);
+
+    if !file.exists() {
+        return Ok(Vec::new());
+    }
+
+    let content = std::fs::read_to_string(file)?
+        .split('\n')
+        .filter(|l| !l.is_empty())
+        .map(serde_json::from_str)
+        .collect::<Result<Vec<_>, _>>()?;
+
+    Ok(content)
+}