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Add type safe state extractor (#1155)

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* begin threading the state through

* Pass state to extractors

* make state extractor work

* make sure nesting with different states work

* impl Service for MethodRouter<()>

* Fix some of axum-macro's tests

* Implement more traits for `State`

* Update examples to use `State`

* consistent naming of request body param

* swap type params

* Default the state param to ()

* fix docs references

* Docs and handler state refactoring

* docs clean ups

* more consistent naming

* when does MethodRouter implement Service?

* add missing docs

* use `Router`'s default state type param

* changelog

* don't use default type param for FromRequest and RequestParts

probably safer for library authors so you don't accidentally forget

* fix examples

* minor docs tweaks

* clarify how to convert handlers into services

* group methods in one impl block

* make sure merged `MethodRouter`s can access state

* fix docs link

* test merge with same state type

* Document how to access state from middleware

* Port cookie extractors to use state to extract keys (#1250)

* Updates ECOSYSTEM with a new sample project (#1252)

* Avoid unhelpful compiler suggestion (#1251)

* fix docs typo

* document how library authors should access state

* Add `RequestParts::with_state`

* fix example

* apply suggestions from review

* add relevant changes to axum-extra and axum-core changelogs

* Add `route_service_with_tsr`

* fix trybuild expectations

* make sure `SpaRouter` works with routers that have state

* Change order of type params on FromRequest and RequestParts

* reverse order of `RequestParts::with_state` args to match type params

* Add `FromRef` trait (#1268)

* Add `FromRef` trait

* Remove unnecessary type params

* format

* fix docs link

* format examples

* Avoid unnecessary `MethodRouter`

* apply suggestions from review

Co-authored-by: Dani Pardo <[email protected]>
Co-authored-by: Jonas Platte <[email protected]>
This commit is contained in:
David Pedersen
2022-08-17 15:13:31 +00:00
committed by GitHub
co-authored by Dani Pardo Jonas Platte
parent 90dbd52ee4
commit 423308de3c
132 changed files with 2404 additions and 1126 deletions
Download Patch File Download Diff File Expand all files Collapse all files
axum-macros/src/from_request.rs
+19 -16
View File
@@ -218,16 +218,17 @@ fn impl_struct_by_extracting_each_field(
Ok(quote! {
#[::axum::async_trait]
#[automatically_derived]
impl<B> ::axum::extract::FromRequest<B> for #ident
impl<S, B> ::axum::extract::FromRequest<S, B> for #ident
where
B: ::axum::body::HttpBody + ::std::marker::Send + 'static,
B::Data: ::std::marker::Send,
B::Error: ::std::convert::Into<::axum::BoxError>,
S: Send,
{
type Rejection = #rejection_ident;
async fn from_request(
req: &mut ::axum::extract::RequestParts<B>,
req: &mut ::axum::extract::RequestParts<S, B>,
) -> ::std::result::Result<Self, Self::Rejection> {
::std::result::Result::Ok(Self {
#(#extract_fields)*
@@ -422,7 +423,7 @@ fn extract_each_field_rejection(
Ok(quote_spanned! {ty_span=>
#[allow(non_camel_case_types)]
#variant_name(<#extractor_ty as ::axum::extract::FromRequest<::axum::body::Body>>::Rejection),
#variant_name(<#extractor_ty as ::axum::extract::FromRequest<(), ::axum::body::Body>>::Rejection),
})
})
.collect::<syn::Result<Vec<_>>>()?;
@@ -609,26 +610,26 @@ fn impl_struct_by_extracting_all_at_once(
quote! { #rejection }
} else {
quote! {
<#path<Self> as ::axum::extract::FromRequest<B>>::Rejection
<#path<Self> as ::axum::extract::FromRequest<S, B>>::Rejection
}
};
let rejection_bound = rejection.as_ref().map(|rejection| {
if generic_ident.is_some() {
quote! {
#rejection: ::std::convert::From<<#path<T> as ::axum::extract::FromRequest<B>>::Rejection>,
#rejection: ::std::convert::From<<#path<T> as ::axum::extract::FromRequest<S, B>>::Rejection>,
}
} else {
quote! {
#rejection: ::std::convert::From<<#path<Self> as ::axum::extract::FromRequest<B>>::Rejection>,
#rejection: ::std::convert::From<<#path<Self> as ::axum::extract::FromRequest<S, B>>::Rejection>,
}
}
}).unwrap_or_default();
let impl_generics = if generic_ident.is_some() {
quote! { B, T }
quote! { S, B, T }
} else {
quote! { B }
quote! { S, B }
};
let type_generics = generic_ident
@@ -653,18 +654,19 @@ fn impl_struct_by_extracting_all_at_once(
Ok(quote_spanned! {path_span=>
#[::axum::async_trait]
#[automatically_derived]
impl<#impl_generics> ::axum::extract::FromRequest<B> for #ident #type_generics
impl<#impl_generics> ::axum::extract::FromRequest<S, B> for #ident #type_generics
where
#path<#via_type_generics>: ::axum::extract::FromRequest<B>,
#path<#via_type_generics>: ::axum::extract::FromRequest<S, B>,
#rejection_bound
B: ::std::marker::Send,
S: ::std::marker::Send,
{
type Rejection = #associated_rejection_type;
async fn from_request(
req: &mut ::axum::extract::RequestParts<B>,
req: &mut ::axum::extract::RequestParts<S, B>,
) -> ::std::result::Result<Self, Self::Rejection> {
::axum::extract::FromRequest::<B>::from_request(req)
::axum::extract::FromRequest::<S, B>::from_request(req)
.await
.map(|#path(value)| #value_to_self)
.map_err(::std::convert::From::from)
@@ -709,7 +711,7 @@ fn impl_enum_by_extracting_all_at_once(
quote! { #rejection }
} else {
quote! {
<#path<Self> as ::axum::extract::FromRequest<B>>::Rejection
<#path<Self> as ::axum::extract::FromRequest<S, B>>::Rejection
}
};
@@ -718,18 +720,19 @@ fn impl_enum_by_extracting_all_at_once(
Ok(quote_spanned! {path_span=>
#[::axum::async_trait]
#[automatically_derived]
impl<B> ::axum::extract::FromRequest<B> for #ident
impl<S, B> ::axum::extract::FromRequest<S, B> for #ident
where
B: ::axum::body::HttpBody + ::std::marker::Send + 'static,
B::Data: ::std::marker::Send,
B::Error: ::std::convert::Into<::axum::BoxError>,
S: ::std::marker::Send,
{
type Rejection = #associated_rejection_type;
async fn from_request(
req: &mut ::axum::extract::RequestParts<B>,
req: &mut ::axum::extract::RequestParts<S, B>,
) -> ::std::result::Result<Self, Self::Rejection> {
::axum::extract::FromRequest::<B>::from_request(req)
::axum::extract::FromRequest::<S, B>::from_request(req)
.await
.map(|#path(inner)| inner)
.map_err(::std::convert::From::from)