Many improvements

src/errors.rs

@@ -1,14 +1,18 @@
+use reqwest::Error as reqwest_error;
 use rusqlite::Error as sqlite_error;
 use rusqlite::{named_params, params, Connection, Result};
+use std::{fmt, io, io::Error as io_error};
 use telegram_bot::Error as tg_error;
-use std::{fmt, io};
 
 #[derive(Debug)]
 pub(crate) enum Error {
     UserNotFound,
     SQLITE3Error(sqlite_error),
     TelegramError(tg_error),
+    ReqwestError(reqwest_error),
     ConfNotFound,
+    IOError(io_error),
+    FileNotFound,
 }
 impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
@@ -26,4 +30,16 @@ impl From<tg_error> for Error {
     fn from(e: tg_error) -> Error {
         return Error::TelegramError(e);
     }
-}
+}
+
+impl From<reqwest_error> for Error {
+    fn from(e: reqwest_error) -> Error {
+        return Error::ReqwestError(e);
+    }
+}
+
+impl From<io_error> for Error {
+    fn from(e: io_error) -> Error {
+        return Error::IOError(e);
+    }
+}