Improve database errors (NotFound -> Option)

emgauwa-lib/src/db/errors.rs

@@ -12,6 +12,7 @@ pub enum DatabaseError {
 	NotFound,
 	Protected,
 	UpdateError,
+	UpdateGetError,
 	Unknown,
 }
 
@@ -40,17 +41,20 @@ impl Serialize for DatabaseError {
 
 impl From<&DatabaseError> for String {
 	fn from(err: &DatabaseError) -> Self {
-		match err {
-			DatabaseError::InsertError => String::from("error on inserting into database"),
+		String::from(match err {
+			DatabaseError::InsertError => "error on inserting into database",
 			DatabaseError::InsertGetError => {
-				String::from("error on retrieving new entry from database (your entry was saved)")
+				"error on retrieving new entry from database (your entry was saved)"
 			}
-			DatabaseError::NotFound => String::from("model was not found in database"),
-			DatabaseError::DeleteError => String::from("error on deleting from database"),
-			DatabaseError::Protected => String::from("model is protected"),
-			DatabaseError::UpdateError => String::from("error on updating the model"),
-			DatabaseError::Unknown => String::from("unknown error"),
-		}
+			DatabaseError::NotFound => "model was not found in database",
+			DatabaseError::DeleteError => "error on deleting from database",
+			DatabaseError::Protected => "model is protected",
+			DatabaseError::UpdateError => "error on updating the model",
+			DatabaseError::UpdateGetError => {
+				"error on retrieving updated model from database (your entry was saved)"
+			}
+			DatabaseError::Unknown => "unknown error",
+		})
 	}
 }