Remove snafu.

src/util/result.rs

@@ -3,77 +3,49 @@ use rocket::http::{ContentType, Status};
 use rocket::request::Request;
 use rocket::response::{self, Responder, Response};
 use serde::Serialize;
-use snafu::Snafu;
 use std::io::Cursor;
 use validator::ValidationErrors;
 
-#[derive(Serialize, Debug, Snafu)]
+#[derive(Serialize, Debug)]
 #[serde(tag = "type")]
 pub enum Error {
-    #[snafu(display("This error has not been labelled."))]
     LabelMe,
 
     // ? Onboarding related errors.
-    #[snafu(display("Already finished onboarding."))]
     AlreadyOnboarded,
 
     // ? User related errors.
-    #[snafu(display("Username has already been taken."))]
     UsernameTaken,
-    #[snafu(display("This user does not exist!"))]
     UnknownUser,
-    #[snafu(display("Already friends with this user."))]
     AlreadyFriends,
-    #[snafu(display("Already sent a request to this user."))]
     AlreadySentRequest,
-    #[snafu(display("You have blocked this user."))]
     Blocked,
-    #[snafu(display("You have been blocked by this user."))]
     BlockedByOther,
-    #[snafu(display("Not friends with target user."))]
     NotFriends,
 
     // ? Channel related errors.
-    #[snafu(display("This channel does not exist!"))]
     UnknownChannel,
-    #[snafu(display("Attachment does not exist!"))]
     UnknownAttachment,
-    #[snafu(display("Cannot edit someone else's message."))]
     CannotEditMessage,
-    #[snafu(display("Cannot send empty message."))]
     EmptyMessage,
-    #[snafu(display("Cannot remove yourself from a group, use delete channel instead."))]
     CannotRemoveYourself,
-    #[snafu(display("Group size is too large."))]
     GroupTooLarge { max: usize },
-    #[snafu(display("User already part of group."))]
     AlreadyInGroup,
-    #[snafu(display("User is not part of the group."))]
     NotInGroup,
 
     // ? General errors.
-    #[snafu(display("Trying to fetch too much data."))]
     TooManyIds,
-    #[snafu(display("Failed to validate fields."))]
     FailedValidation { error: ValidationErrors },
-    #[snafu(display("Encountered a database error."))]
     DatabaseError {
         operation: &'static str,
         with: &'static str,
     },
-    #[snafu(display("Internal server error."))]
     InternalError,
-    #[snafu(display("Missing permission."))]
     MissingPermission,
-    #[snafu(display("Operation cannot be performed on this object."))]
     InvalidOperation,
-    #[snafu(display("Email or password is incorrect."))]
     InvalidCredentials,
-    #[snafu(display("Already created an object with this nonce."))]
     DuplicateNonce,
-    #[snafu(display("Voso is not enabled on this instance."))]
     VosoUnavailable,
-    #[snafu(display("This request had no effect."))]
     NoEffect,
 }