refactor: Move error related structs to errors directory

Author: reddevilmidzy

src/errors/language_error.rs

@@ -0,0 +1,18 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub enum LanguageError {
+    UnsupportedExtension(String),
+    InvalidFilename,
+}
+
+impl std::fmt::Display for LanguageError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            LanguageError::UnsupportedExtension(extension) => {
+                write!(f, "Unsupported file extension: {extension}")
+            }
+            LanguageError::InvalidFilename => write!(f, "Invalid filename"),
+        }
+    }
+}

src/errors/mod.rs

@@ -0,0 +1,3 @@
+mod language_error;
+
+pub(crate) use language_error::*;

src/file_manager/models.rs

@@ -1,3 +1,5 @@
+use crate::errors::LanguageError;
+
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 
@@ -23,23 +25,6 @@ pub struct UpdateFilenameRequest {
     pub new_filename: String,
 }
 
-#[derive(Debug, PartialEq, Serialize, Deserialize)]
-pub enum LanguageError {
-    UnsupportedExtension(String),
-    InvalidFilename,
-}
-
-impl std::fmt::Display for LanguageError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            LanguageError::UnsupportedExtension(extension) => {
-                write!(f, "Unsupported file extension: {extension}")
-            }
-            LanguageError::InvalidFilename => write!(f, "Invalid filename"),
-        }
-    }
-}
-
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
 pub enum Language {

src/lib.rs

@@ -1,3 +1,4 @@
+mod errors;
 pub mod file_manager;
 
 use axum::{