error improvements, check bytes, and typo fix

src/api/error.rs

@@ -33,6 +33,14 @@ impl fmt::Debug for ArchivedApiError {
     }
 }
 
+impl fmt::Display for ApiError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}: {}", self.code as u16, self.message)
+    }
+}
+
+impl std::error::Error for ApiError {}
+
 macro_rules! error_codes {
     (
         $(#[$meta:meta])*
@@ -137,3 +145,36 @@ error_codes! {
         Unknown = 1 = StatusCode::IM_A_TEAPOT,
     }
 }
+
+impl From<std::io::Error> for ApiError {
+    fn from(err: std::io::Error) -> Self {
+        use std::io::ErrorKind as E;
+
+        Self {
+            code: ApiErrorCode::IOError,
+            message: Cow::Borrowed(match err.kind() {
+                E::AddrInUse => "Address In Use",
+                E::AddrNotAvailable => "Address Not Available",
+                E::AlreadyExists => "Entity Already Exists",
+                E::BrokenPipe => "Broken Pipe",
+                E::ConnectionAborted => "Connection Aborted",
+                E::ConnectionRefused => "Connection Refused",
+                E::ConnectionReset => "Connection Reset",
+                E::Interrupted => "Operation Interrupted",
+                E::InvalidData => "Invalid Data",
+                E::InvalidInput => "Invalid Input Parameter",
+                E::NotConnected => "Not Connected",
+                E::NotFound => "Entity Not Found",
+                E::Other => "Other Error",
+                E::OutOfMemory => "Out Of Memory",
+                E::PermissionDenied => "Permission Denied",
+                E::TimedOut => "Timed Out",
+                E::UnexpectedEof => "Unexpected End Of File",
+                E::Unsupported => "Unsupported",
+                E::WouldBlock => "Operation Would Block",
+                E::WriteZero => "Write Zero",
+                _ => "Unknown I/O error",
+            }),
+        }
+    }
+}

src/models/message.rs

@@ -49,7 +49,7 @@ pub enum MessageKind {
     Unavailable = 3,
 }
 
-common::impl_rkyv_for_pod!(MessageKind);
+common::impl_rkyv_for_pod!(MessageKind + CheckBytes);
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
@@ -162,6 +162,7 @@ const _: () = {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
 #[cfg_attr(feature = "rkyv", derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize))]
+#[cfg_attr(feature = "rkyv", archive(check_bytes))]
 pub struct ReactionShorthand {
     #[serde(flatten)]
     pub emote: EmoteOrEmoji,
@@ -173,6 +174,7 @@ pub struct ReactionShorthand {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
 #[cfg_attr(feature = "rkyv", derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize))]
+#[cfg_attr(feature = "rkyv", archive(check_bytes))]
 pub struct ReactionFull {
     pub emote: EmoteOrEmoji,
 
@@ -183,6 +185,7 @@ pub struct ReactionFull {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
 #[cfg_attr(feature = "rkyv", derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize))]
+#[cfg_attr(feature = "rkyv", archive(check_bytes))]
 #[serde(untagged)]
 pub enum Reaction {
     Shorthand(ReactionShorthand),
@@ -192,6 +195,7 @@ pub enum Reaction {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
 #[cfg_attr(feature = "rkyv", derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize))]
+#[cfg_attr(feature = "rkyv", archive(check_bytes))]
 pub struct Attachment {
     #[serde(flatten)]
     pub file: File,

src/models/nullable.rs

@@ -9,7 +9,7 @@
 #[cfg_attr(feature = "rkyv", derive(rkyv::CheckBytes))]
 #[repr(u8)]
 pub enum Nullable<T> {
-    /// Neither present nor absent, and indeterminant value.
+    /// Neither present nor absent, an indeterminant value.
     #[default]
     Undefined = 0,
     /// Certainly absent of value.