Improve logging and set .cfg config file ending

src/errors/emgauwa_error.rs

@@ -1,6 +1,5 @@
 use std::error::Error;
 use std::fmt::{Debug, Display, Formatter};
-use std::io::ErrorKind;
 
 use actix::MailboxError;
 use actix_web::http::StatusCode;
@@ -8,7 +7,8 @@ use actix_web::HttpResponse;
 use config::ConfigError;
 use serde::ser::SerializeStruct;
 use serde::{Serialize, Serializer};
-
+use tokio::sync::mpsc::error::SendError;
+use tokio::sync::oneshot::error::RecvError;
 use crate::errors::{ApiError, DatabaseError};
 use crate::types::EmgauwaUid;
 
@@ -45,13 +45,13 @@ impl From<&EmgauwaError> for String {
 	fn from(err: &EmgauwaError) -> Self {
 		match err {
 			EmgauwaError::Api(err) => String::from(err),
-			EmgauwaError::Unauthorized(_) => format!("unauthorized request: {}", err),
+			EmgauwaError::Unauthorized(err) => format!("unauthorized request: {}", err),
 			EmgauwaError::Serialization(_) => String::from("error during (de-)serialization"),
 			EmgauwaError::Database(err) => String::from(err),
 			EmgauwaError::Uid(_) => String::from("the uid is in a bad format"),
 			EmgauwaError::Internal(_) => String::from("internal error"),
 			EmgauwaError::Connection(uid) => {
-				format!("unable to connect to controller with uid: {}", uid)
+				format!("unable to connect to the controller with uid: {}", uid)
 			}
 			EmgauwaError::Other(err) => format!("other error: {}", err),
 			EmgauwaError::Hardware(err) => format!("hardware error: {}", err),
@@ -101,6 +101,18 @@ impl From<ConfigError> for EmgauwaError {
 	}
 }
 
+impl<T> From<SendError<T>> for EmgauwaError {
+	fn from(value: SendError<T>) -> Self {
+		Self::Internal(value.to_string())
+	}
+}
+
+impl From<RecvError> for EmgauwaError {
+	fn from(value: RecvError) -> Self {
+		Self::Internal(value.to_string())
+	}
+}
+
 impl From<&EmgauwaError> for HttpResponse {
 	fn from(err: &EmgauwaError) -> Self {
 		HttpResponse::build(err.get_code()).json(err)
@@ -111,7 +123,7 @@ impl Error for EmgauwaError {}
 
 impl From<EmgauwaError> for std::io::Error {
 	fn from(value: EmgauwaError) -> Self {
-		std::io::Error::new(ErrorKind::Other, value)
+		std::io::Error::other(value)
 	}
 }