Add SimpleObject macro
This commit is contained in:
parent
dd6af84902
commit
15fbe9502a
|
@ -8,6 +8,7 @@ mod input_object;
|
||||||
mod interface;
|
mod interface;
|
||||||
mod object;
|
mod object;
|
||||||
mod output_type;
|
mod output_type;
|
||||||
|
mod simple_object;
|
||||||
mod subscription;
|
mod subscription;
|
||||||
mod union;
|
mod union;
|
||||||
mod utils;
|
mod utils;
|
||||||
|
@ -30,6 +31,20 @@ pub fn Object(args: TokenStream, input: TokenStream) -> TokenStream {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#[proc_macro_attribute]
|
||||||
|
#[allow(non_snake_case)]
|
||||||
|
pub fn SimpleObject(args: TokenStream, input: TokenStream) -> TokenStream {
|
||||||
|
let object_args = match args::Object::parse(parse_macro_input!(args as AttributeArgs)) {
|
||||||
|
Ok(object_args) => object_args,
|
||||||
|
Err(err) => return err.to_compile_error().into(),
|
||||||
|
};
|
||||||
|
let mut derive_input = parse_macro_input!(input as DeriveInput);
|
||||||
|
match simple_object::generate(&object_args, &mut derive_input) {
|
||||||
|
Ok(expanded) => expanded,
|
||||||
|
Err(err) => err.to_compile_error().into(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#[proc_macro_attribute]
|
#[proc_macro_attribute]
|
||||||
#[allow(non_snake_case)]
|
#[allow(non_snake_case)]
|
||||||
pub fn Enum(args: TokenStream, input: TokenStream) -> TokenStream {
|
pub fn Enum(args: TokenStream, input: TokenStream) -> TokenStream {
|
||||||
|
|
151
async-graphql-derive/src/simple_object.rs
Normal file
151
async-graphql-derive/src/simple_object.rs
Normal file
|
@ -0,0 +1,151 @@
|
||||||
|
use crate::args;
|
||||||
|
use crate::utils::{check_reserved_name, get_crate_name};
|
||||||
|
use inflector::Inflector;
|
||||||
|
use proc_macro::TokenStream;
|
||||||
|
use quote::quote;
|
||||||
|
use syn::{Data, DeriveInput, Error, Fields, Result};
|
||||||
|
|
||||||
|
pub fn generate(object_args: &args::Object, input: &mut DeriveInput) -> Result<TokenStream> {
|
||||||
|
let crate_name = get_crate_name(object_args.internal);
|
||||||
|
let ident = &input.ident;
|
||||||
|
let generics = &input.generics;
|
||||||
|
let s = match &mut input.data {
|
||||||
|
Data::Struct(e) => e,
|
||||||
|
_ => return Err(Error::new_spanned(input, "It should be a struct")),
|
||||||
|
};
|
||||||
|
let gql_typename = object_args
|
||||||
|
.name
|
||||||
|
.clone()
|
||||||
|
.unwrap_or_else(|| ident.to_string());
|
||||||
|
check_reserved_name(&gql_typename, object_args.internal)?;
|
||||||
|
|
||||||
|
let desc = object_args
|
||||||
|
.desc
|
||||||
|
.as_ref()
|
||||||
|
.map(|s| quote! { Some(#s) })
|
||||||
|
.unwrap_or_else(|| quote! {None});
|
||||||
|
|
||||||
|
let mut resolvers = Vec::new();
|
||||||
|
let mut schema_fields = Vec::new();
|
||||||
|
let fields = match &mut s.fields {
|
||||||
|
Fields::Named(fields) => fields,
|
||||||
|
_ => return Err(Error::new_spanned(input, "All fields must be named.")),
|
||||||
|
};
|
||||||
|
|
||||||
|
for item in &mut fields.named {
|
||||||
|
if let Some(field) = args::Field::parse(&item.attrs)? {
|
||||||
|
let field_name = field
|
||||||
|
.name
|
||||||
|
.clone()
|
||||||
|
.unwrap_or_else(|| item.ident.as_ref().unwrap().to_string().to_camel_case());
|
||||||
|
let field_desc = field
|
||||||
|
.desc
|
||||||
|
.as_ref()
|
||||||
|
.map(|s| quote! {Some(#s)})
|
||||||
|
.unwrap_or_else(|| quote! {None});
|
||||||
|
let field_deprecation = field
|
||||||
|
.deprecation
|
||||||
|
.as_ref()
|
||||||
|
.map(|s| quote! {Some(#s)})
|
||||||
|
.unwrap_or_else(|| quote! {None});
|
||||||
|
let ty = &item.ty;
|
||||||
|
|
||||||
|
let cache_control = {
|
||||||
|
let public = field.cache_control.public;
|
||||||
|
let max_age = field.cache_control.max_age;
|
||||||
|
quote! {
|
||||||
|
#crate_name::CacheControl {
|
||||||
|
public: #public,
|
||||||
|
max_age: #max_age,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
schema_fields.push(quote! {
|
||||||
|
fields.insert(#field_name.to_string(), #crate_name::registry::Field {
|
||||||
|
name: #field_name.to_string(),
|
||||||
|
description: #field_desc,
|
||||||
|
args: Default::default(),
|
||||||
|
ty: <#ty as #crate_name::Type>::create_type_info(registry),
|
||||||
|
deprecation: #field_deprecation,
|
||||||
|
cache_control: #cache_control,
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
let ident = &item.ident;
|
||||||
|
resolvers.push(quote! {
|
||||||
|
if field.name.as_str() == #field_name {
|
||||||
|
let ctx_obj = ctx.with_selection_set(&field.selection_set);
|
||||||
|
return #crate_name::OutputValueType::resolve(&self.#ident, &ctx_obj).await.
|
||||||
|
map_err(|err| err.with_position(field.position).into());
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
item.attrs.remove(
|
||||||
|
item.attrs
|
||||||
|
.iter()
|
||||||
|
.enumerate()
|
||||||
|
.find(|(_, a)| a.path.is_ident("field"))
|
||||||
|
.map(|(idx, _)| idx)
|
||||||
|
.unwrap(),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let cache_control = {
|
||||||
|
let public = object_args.cache_control.public;
|
||||||
|
let max_age = object_args.cache_control.max_age;
|
||||||
|
quote! {
|
||||||
|
#crate_name::CacheControl {
|
||||||
|
public: #public,
|
||||||
|
max_age: #max_age,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
let expanded = quote! {
|
||||||
|
#input
|
||||||
|
|
||||||
|
impl #generics #crate_name::Type for #ident {
|
||||||
|
fn type_name() -> std::borrow::Cow<'static, str> {
|
||||||
|
std::borrow::Cow::Borrowed(#gql_typename)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn create_type_info(registry: &mut #crate_name::registry::Registry) -> String {
|
||||||
|
registry.create_type::<Self, _>(|registry| #crate_name::registry::Type::Object {
|
||||||
|
name: #gql_typename.to_string(),
|
||||||
|
description: #desc,
|
||||||
|
fields: {
|
||||||
|
let mut fields = std::collections::HashMap::new();
|
||||||
|
#(#schema_fields)*
|
||||||
|
fields
|
||||||
|
},
|
||||||
|
cache_control: #cache_control,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[#crate_name::async_trait::async_trait]
|
||||||
|
impl #generics #crate_name::ObjectType for #ident #generics {
|
||||||
|
async fn resolve_field(&self, ctx: &#crate_name::Context<'_>, field: &#crate_name::graphql_parser::query::Field) -> #crate_name::Result<#crate_name::serde_json::Value> {
|
||||||
|
use #crate_name::ErrorWithPosition;
|
||||||
|
|
||||||
|
#(#resolvers)*
|
||||||
|
|
||||||
|
#crate_name::anyhow::bail!(#crate_name::QueryError::FieldNotFound {
|
||||||
|
field_name: field.name.clone(),
|
||||||
|
object: #gql_typename.to_string(),
|
||||||
|
}
|
||||||
|
.with_position(field.position));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[#crate_name::async_trait::async_trait]
|
||||||
|
impl #generics #crate_name::OutputValueType for #ident #generics {
|
||||||
|
async fn resolve(value: &Self, ctx: &#crate_name::ContextSelectionSet<'_>) -> #crate_name::Result<#crate_name::serde_json::Value> {
|
||||||
|
#crate_name::do_resolve(ctx, value).await
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
Ok(expanded.into())
|
||||||
|
}
|
|
@ -171,3 +171,9 @@ impl QueryRoot {
|
||||||
field(name = "appears_in", type = "&'ctx [Episode]", context)
|
field(name = "appears_in", type = "&'ctx [Episode]", context)
|
||||||
)]
|
)]
|
||||||
pub struct Character(Human, Droid);
|
pub struct Character(Human, Droid);
|
||||||
|
|
||||||
|
#[async_graphql::SimpleObject]
|
||||||
|
struct QueryRoot1 {
|
||||||
|
#[field]
|
||||||
|
value: i32,
|
||||||
|
}
|
||||||
|
|
63
src/lib.rs
63
src/lib.rs
|
@ -178,7 +178,7 @@ pub use types::{EnumItem, EnumType};
|
||||||
///
|
///
|
||||||
/// ```ignore
|
/// ```ignore
|
||||||
/// #[Object]
|
/// #[Object]
|
||||||
/// impl MyObject {
|
/// impl QueryRoot {
|
||||||
/// async fn value(&self, ctx: &Context<'_>) -> { ... }
|
/// async fn value(&self, ctx: &Context<'_>) -> { ... }
|
||||||
/// }
|
/// }
|
||||||
/// ```
|
/// ```
|
||||||
|
@ -188,12 +188,12 @@ pub use types::{EnumItem, EnumType};
|
||||||
/// ```rust
|
/// ```rust
|
||||||
/// use async_graphql::*;
|
/// use async_graphql::*;
|
||||||
///
|
///
|
||||||
/// struct MyObject {
|
/// struct QueryRoot {
|
||||||
/// value: i32,
|
/// value: i32,
|
||||||
/// }
|
/// }
|
||||||
///
|
///
|
||||||
/// #[Object]
|
/// #[Object]
|
||||||
/// impl MyObject {
|
/// impl QueryRoot {
|
||||||
/// #[field(desc = "value")]
|
/// #[field(desc = "value")]
|
||||||
/// async fn value(&self) -> i32 {
|
/// async fn value(&self) -> i32 {
|
||||||
/// self.value
|
/// self.value
|
||||||
|
@ -217,7 +217,7 @@ pub use types::{EnumItem, EnumType};
|
||||||
///
|
///
|
||||||
/// #[async_std::main]
|
/// #[async_std::main]
|
||||||
/// async fn main() {
|
/// async fn main() {
|
||||||
/// let schema = Schema::new(MyObject{ value: 10 }, EmptyMutation, EmptySubscription);
|
/// let schema = Schema::new(QueryRoot{ value: 10 }, EmptyMutation, EmptySubscription);
|
||||||
/// let res = schema.query(r#"{
|
/// let res = schema.query(r#"{
|
||||||
/// value
|
/// value
|
||||||
/// valueRef
|
/// valueRef
|
||||||
|
@ -236,6 +236,49 @@ pub use types::{EnumItem, EnumType};
|
||||||
/// ```
|
/// ```
|
||||||
pub use async_graphql_derive::Object;
|
pub use async_graphql_derive::Object;
|
||||||
|
|
||||||
|
/// Define a GraphQL object
|
||||||
|
///
|
||||||
|
/// Similar to `Object`, but defined on a structure that automatically generates getters for all fields.
|
||||||
|
///
|
||||||
|
/// # Macro parameters
|
||||||
|
///
|
||||||
|
/// | Attribute | description | Type | Optional |
|
||||||
|
/// |---------------|---------------------------|----------|----------|
|
||||||
|
/// | name | Object name | string | Y |
|
||||||
|
/// | desc | Object description | string | Y |
|
||||||
|
/// | cache_control | Object cache control | [`CacheControl`](struct.CacheControl.html) | Y |
|
||||||
|
///
|
||||||
|
/// # Field parameters
|
||||||
|
///
|
||||||
|
/// | Attribute | description | Type | Optional |
|
||||||
|
/// |---------------|---------------------------|----------|----------|
|
||||||
|
/// | name | Field name | string | Y |
|
||||||
|
/// | desc | Field description | string | Y |
|
||||||
|
/// | deprecation | Field deprecation reason | string | Y |
|
||||||
|
/// | cache_control | Field cache control | [`CacheControl`](struct.CacheControl.html) | Y |
|
||||||
|
///
|
||||||
|
/// # Examples
|
||||||
|
///
|
||||||
|
/// ```rust
|
||||||
|
/// use async_graphql::*;
|
||||||
|
///
|
||||||
|
/// #[SimpleObject]
|
||||||
|
/// struct QueryRoot {
|
||||||
|
/// #[field]
|
||||||
|
/// value: i32,
|
||||||
|
/// }
|
||||||
|
///
|
||||||
|
/// #[async_std::main]
|
||||||
|
/// async fn main() {
|
||||||
|
/// let schema = Schema::new(QueryRoot{ value: 10 }, EmptyMutation, EmptySubscription);
|
||||||
|
/// let res = schema.query("{ value }").execute().await.unwrap().data;
|
||||||
|
/// assert_eq!(res, serde_json::json!({
|
||||||
|
/// "value": 10,
|
||||||
|
/// }));
|
||||||
|
/// }
|
||||||
|
/// ```
|
||||||
|
pub use async_graphql_derive::SimpleObject;
|
||||||
|
|
||||||
/// Define a GraphQL enum
|
/// Define a GraphQL enum
|
||||||
///
|
///
|
||||||
/// # Macro parameters
|
/// # Macro parameters
|
||||||
|
@ -264,13 +307,13 @@ pub use async_graphql_derive::Object;
|
||||||
/// #[item(name = "b")] B,
|
/// #[item(name = "b")] B,
|
||||||
/// }
|
/// }
|
||||||
///
|
///
|
||||||
/// struct MyObject {
|
/// struct QueryRoot {
|
||||||
/// value1: MyEnum,
|
/// value1: MyEnum,
|
||||||
/// value2: MyEnum,
|
/// value2: MyEnum,
|
||||||
/// }
|
/// }
|
||||||
///
|
///
|
||||||
/// #[Object]
|
/// #[Object]
|
||||||
/// impl MyObject {
|
/// impl QueryRoot {
|
||||||
/// #[field(desc = "value")]
|
/// #[field(desc = "value")]
|
||||||
/// async fn value1(&self) -> MyEnum {
|
/// async fn value1(&self) -> MyEnum {
|
||||||
/// self.value1
|
/// self.value1
|
||||||
|
@ -284,7 +327,7 @@ pub use async_graphql_derive::Object;
|
||||||
///
|
///
|
||||||
/// #[async_std::main]
|
/// #[async_std::main]
|
||||||
/// async fn main() {
|
/// async fn main() {
|
||||||
/// let schema = Schema::new(MyObject{ value1: MyEnum::A, value2: MyEnum::B }, EmptyMutation, EmptySubscription);
|
/// let schema = Schema::new(QueryRoot{ value1: MyEnum::A, value2: MyEnum::B }, EmptyMutation, EmptySubscription);
|
||||||
/// let res = schema.query("{ value1 value2 }").execute().await.unwrap().data;
|
/// let res = schema.query("{ value1 value2 }").execute().await.unwrap().data;
|
||||||
/// assert_eq!(res, serde_json::json!({ "value1": "A", "value2": "b" }));
|
/// assert_eq!(res, serde_json::json!({ "value1": "A", "value2": "b" }));
|
||||||
/// }
|
/// }
|
||||||
|
@ -321,10 +364,10 @@ pub use async_graphql_derive::Enum;
|
||||||
/// b: i32,
|
/// b: i32,
|
||||||
/// }
|
/// }
|
||||||
///
|
///
|
||||||
/// struct MyObject;
|
/// struct QueryRoot;
|
||||||
///
|
///
|
||||||
/// #[Object]
|
/// #[Object]
|
||||||
/// impl MyObject {
|
/// impl QueryRoot {
|
||||||
/// #[field(desc = "value")]
|
/// #[field(desc = "value")]
|
||||||
/// async fn value(&self, input: MyInputObject) -> i32 {
|
/// async fn value(&self, input: MyInputObject) -> i32 {
|
||||||
/// input.a * input.b
|
/// input.a * input.b
|
||||||
|
@ -333,7 +376,7 @@ pub use async_graphql_derive::Enum;
|
||||||
///
|
///
|
||||||
/// #[async_std::main]
|
/// #[async_std::main]
|
||||||
/// async fn main() {
|
/// async fn main() {
|
||||||
/// let schema = Schema::new(MyObject, EmptyMutation, EmptySubscription);
|
/// let schema = Schema::new(QueryRoot, EmptyMutation, EmptySubscription);
|
||||||
/// let res = schema.query(r#"
|
/// let res = schema.query(r#"
|
||||||
/// {
|
/// {
|
||||||
/// value1: value(input:{a:9, b:3})
|
/// value1: value(input:{a:9, b:3})
|
||||||
|
|
Loading…
Reference in New Issue
Block a user