Updated Error to implement Display and Debug, instead of using custom methods

2024-11-16 04:12:53 +01:00 · 2018-12-29 01:01:58 +01:00 · 2018-12-29 01:01:58 +01:00 · adb8052689
Commit adb8052689
--- a/Cargo.lock
+++ b/Cargo.lock
@ -1,3 +1,11 @@
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 "checksum core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "716c271e8613ace48344f723b60b900a93150271e5be206212d052bbc0883efa"
 "checksum crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e91d5240c6975ef33aeb5f148f35275c25eda8e8a5f95abe421978b05b8bf192"
-"checksum crossbeam-deque 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4fe1b6f945f824c7a25afe44f62e25d714c0cc523f8e99d8db5cd1026e1269d3"
+"checksum crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "05e44b8cf3e1a625844d1750e1f7820da46044ff6d28f4d43e455ba3e5bb2c13"
-"checksum crossbeam-epoch 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2449aaa4ec7ef96e5fb24db16024b935df718e9ae1cec0a1e68feeca2efca7b8"
+"checksum crossbeam-epoch 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f10a4f8f409aaac4b16a5474fb233624238fcdeefb9ba50d5ea059aab63ba31c"
-"checksum crossbeam-utils 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e07fc155212827475223f0bcfae57e945e694fc90950ddf3f6695bbfd5555c72"
+"checksum crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "41ee4864f4797060e52044376f7d107429ce1fb43460021b126424b7180ee21a"
 "checksum crypto-mac 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "dba62c86c26dcba13c278afcaac0c7452486fe604a2668a0dfa4e0edc98d8a9e"
 "checksum data-encoding 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "67df0571a74bf0d97fb8b2ed22abdd9a48475c96bd327db968b7d9cace99655e"
 "checksum derive_more 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3f57d78cf3bd45270dad4e70c21ec77a960b36c7a841ff9db76aaa775a8fb871"
 "checksum devise 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "74e04ba2d03c5fa0d954c061fc8c9c288badadffc272ebb87679a89846de3ed3"
 "checksum devise_codegen 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "066ceb7928ca93a9bedc6d0e612a8a0424048b0ab1f75971b203d01420c055d7"
 "checksum devise_core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cf41c59b22b5e3ec0ea55c7847e5f358d340f3a8d6d53a5cf4f1564967f96487"
@ -2561,7 +2591,7 @@ dependencies = [
 "checksum http 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "02096a6d2c55e63f7fcb800690e4f889a25f6ec342e3adb4594e293b625215ab"
 "checksum httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e8734b0cfd3bc3e101ec59100e101c2eecd19282202e87808b3037b442777a83"
 "checksum hyper 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)" = "df0caae6b71d266b91b4a83111a61d2b94ed2e2bea024c532b933dcff867e58c"
-"checksum hyper 0.12.17 (registry+https://github.com/rust-lang/crates.io-index)" = "c49a75385d35ff5e9202755f09beb0b878a05c4c363fcc52b23eeb5dcb6782cc"
+"checksum hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)" = "f1ebec079129e43af5e234ef36ee3d7e6085687d145b7ea653b262d16c6b65f1"
 "checksum hyper-sync-rustls 0.3.0-rc.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6d1a443a90413a118ac6739e024f6a5180aa3b3f43f7de65f9d388a961cff19b"
 "checksum hyper-tls 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "32cd73f14ad370d3b4d4b7dce08f69b81536c82e39fcc89731930fe5788cd661"
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
@ -2611,11 +2641,11 @@ dependencies = [
 "checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
 "checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
 "checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
-"checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
+"checksum num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a69d464bdc213aaaff628444e99578ede64e9c854025aa43b9796530afa9238"
 "checksum oath 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ec6405dc6afe8219020d535f9ad888a12b191bbc8ce1c55f7ee663bde5be80ca"
-"checksum openssl 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)" = "5e1309181cdcbdb51bc3b6bedb33dfac2a83b3d585033d3f6d9e22e8c1928613"
+"checksum openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)" = "ec7bd7ca4cce6dbdc77e7c1230682740d307d1218a87fb0349a571272be749f9"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
-"checksum openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)" = "278c1ad40a89aa1e741a1eed089a2f60b18fab8089c3139b542140fc7d674106"
+"checksum openssl-sys 0.9.40 (registry+https://github.com/rust-lang/crates.io-index)" = "1bb974e77de925ef426b6bc82fce15fd45bdcbeb5728bffcfc7cdeeb7ce1c2d6"
 "checksum owning_ref 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "9d52571ddcb42e9c900c901a18d8d67e393df723fcd51dd59c5b1a85d0acb6cc"
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
 "checksum parking_lot 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "fa12d706797d42551663426a45e2db2e0364bd1dbf6aeada87e89c5f981f43e9"
@ -2649,7 +2679,7 @@ dependencies = [
 "checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
 "checksum rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "086bd09a33c7044e56bb44d5bdde5a60e7f119a9e95b0775f545de759a32fe05"
 "checksum rand_xorshift 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "effa3fcaa47e18db002bdde6060944b6d2f9cfd8db471c30e873448ad9187be3"
-"checksum redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "679da7508e9a6390aeaf7fbd02a800fdc64b73fe2204dd2c8ae66d22d9d5ad5d"
+"checksum redox_syscall 0.1.45 (registry+https://github.com/rust-lang/crates.io-index)" = "7b7aac97a11cf928b13c97f726b1bfe8542969fcbc39007ce566a888da5964a3"
 "checksum regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "37e7cbbd370869ce2e8dff25c7018702d10b21a20ef7135316f8daecd6c25b7f"
 "checksum regex-syntax 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4e47a2ed29da7a9e1960e1639e7a982e6edc6d49be308a3b02daf511504a16d1"
 "checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
@ -2662,7 +2692,7 @@ dependencies = [
 "checksum rocket_contrib 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f73e161dad5730435f51c815a5c6831d2e57b6b4299b1bf609d31b09aa9a2fa7"
 "checksum rocket_http 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba9d4f2ce5bba6e1b6d3100493bbad63879e99bbf6b4365d61e6f781daab324d"
 "checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
-"checksum rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "bcfe5b13211b4d78e5c2cadfebd7769197d95c639c35a50057eb4c05de811395"
+"checksum rustc-demangle 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "01b90379b8664dd83460d59bdc5dd1fd3172b8913788db483ed1325171eab2f7"
 "checksum rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0ceb8ce7a5e520de349e1fa172baeba4a9e8d5ef06c47471863530bc4972ee1e"
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
@ -2676,11 +2706,11 @@ dependencies = [
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum sct 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cb8f61f9e6eadd062a71c380043d28036304a4706b3c4dd001ff3387ed00745a"
 "checksum security-framework 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "697d3f3c23a618272ead9e1fb259c1411102b31c6af8b93f1d64cca9c3b0e8e0"
-"checksum security-framework-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ab01dfbe5756785b5b4d46e0289e5a18071dfa9a7c2b24213ea00b9ef9b665bf"
+"checksum security-framework-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "40d95f3d7da09612affe897f320d78264f0d2320f3e8eea27d12bd1bd94445e2"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)" = "6fa52f19aee12441d5ad11c9a00459122bd8f98707cadf9778c540674f1935b6"
+"checksum serde 1.0.83 (registry+https://github.com/rust-lang/crates.io-index)" = "157e12af46859e968da75dea9845530e13d03bcab2009a41b9b7bb3cf4eb3ec2"
-"checksum serde_derive 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)" = "96a7f9496ac65a2db5929afa087b54f8fc5008dcfbe48a8874ed20049b0d6154"
+"checksum serde_derive 1.0.83 (registry+https://github.com/rust-lang/crates.io-index)" = "9469829702497daf2daf3c190e130c3fa72f719920f73c86160d43e8f8d76951"
 "checksum serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)" = "c37ccd6be3ed1fdf419ee848f7c758eb31b054d7cd3ae3600e3bae0adf569811"
 "checksum serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d48f9f99cd749a2de71d29da5f948de7f2764cc5a9d7f3c97e3514d4ee6eabf2"
 "checksum sha-1 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8347606816471548cd60f0abd5ef0d513a81f5202dbdab9c09f17a15b5248484"
@ -2694,7 +2724,7 @@ dependencies = [
 "checksum string 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "98998cced76115b1da46f63388b909d118a37ae0be0f82ad35773d4a4bc9d18d"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
 "checksum syn 0.13.11 (registry+https://github.com/rust-lang/crates.io-index)" = "14f9bf6292f3a61d2c716723fdb789a41bbe104168e6f496dc6497e531ea1b9b"
-"checksum syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)" = "ae8b29eb5210bc5cf63ed6149cbf9adfc82ac0be023d8735c176ee74a2db4da7"
+"checksum syn 0.15.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9545a6a093a3f0bd59adb472700acc08cad3776f860f16a897dfce8c88721cbc"
 "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
 "checksum syslog 4.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a0641142b4081d3d44beffa4eefd7346a228cdf91ed70186db2ca2cef762d327"
@ -2703,8 +2733,8 @@ dependencies = [
 "checksum thread-id 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c7fbf4c9d56b320106cd64fd024dadfa0be7cb4706725fc44a7d7ce952d820c1"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum threadpool 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e2f0c90a5f3459330ac8bc0d2f879c693bb7a2f59689c1083fc4ef83834da865"
-"checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
+"checksum time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "847da467bf0db05882a9e2375934a8a55cffdc9db0d128af1518200260ba1f6c"
-"checksum tiny_http 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a442681f9f72e440be192700eeb2861e4174b9983f16f4877c93a134cb5e5f63"
+"checksum tiny_http 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "29909009df3f0541d1851992c5cab50209eceaf2eb4b3d1ef395a39f555173c3"
 "checksum tokio 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "a7817d4c98cc5be21360b3b37d6036fe9b7aefa5b7a201b7b16ff33423822f7d"
 "checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
 "checksum tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "331c8acc267855ec06eb0c94618dcbbfea45bed2d20b77252940095273fb58f6"
--- a/Cargo.toml
+++ b/Cargo.toml
@ -28,8 +28,8 @@ rmpv = "0.4.0"
 chashmap = "2.2.0"
 # A generic serialization/deserialization framework
-serde = "1.0.82"
+serde = "1.0.83"
-serde_derive = "1.0.82"
+serde_derive = "1.0.83"
 serde_json = "1.0.33"
 # Logging
@ -74,6 +74,9 @@ dotenv = { version = "0.13.0", default-features = false }
 # Lazy static macro
 lazy_static = { version = "1.2.0", features = ["nightly"] }
 # More derives
 derive_more = "0.13.0"
 # Numerical libraries
 num-traits = "0.2.6"
 num-derive = "0.2.3"
--- a/src/api/web.rs
+++ b/src/api/web.rs
@ -3,7 +3,7 @@ use std::path::{Path, PathBuf};
 use rocket::http::ContentType;
 use rocket::request::Request;
-use rocket::response::content::{Content, Html};
+use rocket::response::content::Content;
 use rocket::response::{self, NamedFile, Responder};
 use rocket::Route;
 use rocket_contrib::json::Json;
@ -44,6 +44,7 @@ fn app_id() -> Cached<Content<Json<Value>>> {
 }
 const ADMIN_PAGE: &'static str = include_str!("../static/admin.html");
 use rocket::response::content::Html;
 #[get("/admin")]
 fn admin_page() -> Cached<Html<&'static str>> {
--- a/src/error.rs
+++ b/src/error.rs
@ -1,42 +1,31 @@
 //
 // Error generator macro
 //
 use std::error::Error as StdError;
 macro_rules! make_error {
-    ( $struct:ident; $( $name:ident ( $ty:ty, _): $show_cause:expr, $usr_msg_fun:expr ),+ $(,)* ) => {
+    ( $( $name:ident ( $ty:ty ): $src_fn:expr, $usr_msg_fun:expr ),+ $(,)* ) => {
-        #[derive(Debug)]
+        #[derive(Display)]
-        #[allow(unused_variables, dead_code)]
+        enum ErrorKind { $($name( $ty )),+ }
-        pub enum $struct {
+        pub struct Error { message: String, error: ErrorKind }
-            $($name( $ty, String )),+
+        
        $(impl From<$ty> for Error {
            fn from(err: $ty) -> Self { Error::from((stringify!($name), err)) }
        })+
        $(impl<S: Into<String>> From<(S, $ty)> for Error {
            fn from(val: (S, $ty)) -> Self {
                Error { message: val.0.into(), error: ErrorKind::$name(val.1) }
            }
        })+
        impl StdError for Error {
            fn source(&self) -> Option<&(dyn StdError + 'static)> {
                match &self.error {$( ErrorKind::$name(e) => $src_fn(e), )+}
            }
        }
-        $(impl From<$ty> for $struct {
+        impl std::fmt::Display for Error {
-            fn from(err: $ty) -> Self {
+            fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-                $struct::$name(err, String::from(stringify!($name)))
+                match &self.error {$(
-            }
+                   ErrorKind::$name(e) => f.write_str(&$usr_msg_fun(e, &self.message)),
        })+
        $(impl From<($ty, String)> for $struct {
            fn from(err: ($ty, String)) -> Self {
                $struct::$name(err.0, err.1)
            }
        })+
        impl $struct {
            pub fn with_msg<M: Into<String>>(self, msg: M) -> Self {
                match self {$(
                   $struct::$name(e, _) => $struct::$name(e, msg.into()),
                )+}
            }
            // Prints the log message and returns the user message
            pub fn display_error(self) -> String {
                match &self {$(
                   $struct::$name(e, s) => {
                       let log_msg = format!("{}. {}", &s, &e);
                        error!("{}", log_msg);
                        if $show_cause {
                            error!("[CAUSE] {:#?}", e);
                        }
                        $usr_msg_fun(e, s)
                   },
                )+}
            }
        }
@ -46,32 +35,44 @@ macro_rules! make_error {
 use diesel::result::Error as DieselError;
 use jsonwebtoken::errors::Error as JwtError;
 use serde_json::{Error as SerError, Value};
 use u2f::u2ferror::U2fError as U2fErr;
 use std::io::Error as IOError;
 use u2f::u2ferror::U2fError as U2fErr;
 // Error struct
-// Each variant has two elements, the first is an error of different types, used for logging purposes
+// Contains a String error message, meant for the user and an enum variant, with an error of different types.
 // The second is a String, and it's contents are displayed to the user when the error occurs. Inside the macro, this is represented as _
 //
-// After the variant itself, there are two expressions. The first one is a bool to indicate whether the error cause will be printed to the log.
+// After the variant itself, there are two expressions. The first one indicates whether the error contains a source error (that we pretty print).
 // The second one contains the function used to obtain the response sent to the client
 make_error! {
    Error;
    // Used to represent err! calls
-    SimpleError(String,  _): false, _api_error,
+    SimpleError(String):  _no_source,  _api_error,
    // Used for special return values, like 2FA errors
-    JsonError(Value,     _): false, _serialize,
+    JsonError(Value):     _no_source,  _serialize,
-    DbError(DieselError, _): true,  _api_error,
+    DbError(DieselError): _has_source, _api_error,
-    U2fError(U2fErr,     _): true,  _api_error,
+    U2fError(U2fErr):     _has_source, _api_error,
-    SerdeError(SerError, _): true,  _api_error,
+    SerdeError(SerError): _has_source, _api_error,
-    JWTError(JwtError,   _): true,  _api_error,
+    JWTError(JwtError):   _has_source, _api_error,
-    IoErrror(IOError,    _): true,  _api_error,
+    IoErrror(IOError):    _has_source, _api_error,
-    //WsError(ws::Error, _): true,  _api_error,
+    //WsError(ws::Error): _has_source, _api_error,
 }
 impl std::fmt::Debug for Error {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self.source() {
            Some(e) => write!(f, "{}.\n[CAUSE] {:#?}", self.message, e),
            None => write!(f, "{}. {}", self.message, self.error),
        }
    }
 }
 impl Error {
    pub fn new<M: Into<String>, N: Into<String>>(usr_msg: M, log_msg: N) -> Self {
-        Error::SimpleError(log_msg.into(), usr_msg.into())
+        (usr_msg, log_msg.into()).into()
    }
    pub fn with_msg<M: Into<String>>(mut self, msg: M) -> Self {
        self.message = msg.into();
        self
    }
 }
@ -81,7 +82,7 @@ pub trait MapResult<S, E> {
 impl<S, E: Into<Error>> MapResult<S, Error> for Result<S, E> {
    fn map_res(self, msg: &str) -> Result<S, Error> {
-        self.map_err(Into::into).map_err(|e| e.with_msg(msg))
+        self.map_err(|e| e.into().with_msg(msg))
    }
 }
@ -91,14 +92,18 @@ impl<E: Into<Error>> MapResult<(), Error> for Result<usize, E> {
    }
 }
-use serde::Serialize;
+fn _has_source<T>(e: T) -> Option<T> {
-use std::any::Any;
+    Some(e)
 }
 fn _no_source<T, S>(_: T) -> Option<S> {
    None
 }
-fn _serialize(e: &impl Serialize, _msg: &str) -> String {
+fn _serialize(e: &impl serde::Serialize, _msg: &str) -> String {
    serde_json::to_string(e).unwrap()
 }
-fn _api_error(_: &impl Any, msg: &str) -> String {
+fn _api_error(_: &impl std::any::Any, msg: &str) -> String {
    let json = json!({
        "Message": "",
        "error": "",
@ -110,7 +115,6 @@ fn _api_error(_: &impl Any, msg: &str) -> String {
        },
        "Object": "error"
    });
    _serialize(&json, "")
 }
@ -125,7 +129,8 @@ use rocket::response::{self, Responder, Response};
 impl<'r> Responder<'r> for Error {
    fn respond_to(self, _: &Request) -> response::Result<'r> {
-        let usr_msg = self.display_error();
+        let usr_msg = format!("{}", self);
        error!("{:#?}", self);
        Response::build()
            .status(Status::BadRequest)
--- a/src/main.rs
+++ b/src/main.rs
@ -9,6 +9,7 @@
 #[macro_use] extern crate diesel;
 #[macro_use] extern crate diesel_migrations;
 #[macro_use] extern crate lazy_static;
 #[macro_use] extern crate derive_more;
 #[macro_use] extern crate num_derive;
 use std::{path::Path, process::{exit, Command}};