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use std::{borrow::Cow, sync::Arc};
use crate::{
parser::types::Field, registry, resolver_utils::resolve_list, ContextSelectionSet, InputType,
InputValueError, InputValueResult, OutputType, Positioned, ServerResult, Value,
};
#[async_trait::async_trait]
impl<'a, T: OutputType + 'a> OutputType for &'a [T] {
fn type_name() -> Cow<'static, str> {
Cow::Owned(format!("[{}]", T::qualified_type_name()))
}
fn qualified_type_name() -> String {
format!("[{}]!", T::qualified_type_name())
}
fn create_type_info(registry: &mut registry::Registry) -> String {
T::create_type_info(registry);
Self::qualified_type_name()
}
async fn resolve(
&self,
ctx: &ContextSelectionSet<'_>,
field: &Positioned<Field>,
) -> ServerResult<Value> {
resolve_list(ctx, field, self.iter(), Some(self.len())).await
}
}
macro_rules! impl_output_slice_for_smart_ptr {
($ty:ty) => {
#[async_trait::async_trait]
impl<T: OutputType> OutputType for $ty {
fn type_name() -> Cow<'static, str> {
Cow::Owned(format!("[{}]", T::qualified_type_name()))
}
fn qualified_type_name() -> String {
format!("[{}]!", T::qualified_type_name())
}
fn create_type_info(registry: &mut registry::Registry) -> String {
T::create_type_info(registry);
Self::qualified_type_name()
}
async fn resolve(
&self,
ctx: &ContextSelectionSet<'_>,
field: &Positioned<Field>,
) -> ServerResult<Value> {
resolve_list(ctx, field, self.iter(), Some(self.len())).await
}
}
};
}
impl_output_slice_for_smart_ptr!(Box<[T]>);
impl_output_slice_for_smart_ptr!(Arc<[T]>);
macro_rules! impl_input_slice_for_smart_ptr {
($ty:ty) => {
impl<T: InputType> InputType for $ty {
type RawValueType = Self;
fn type_name() -> Cow<'static, str> {
Cow::Owned(format!("[{}]", T::qualified_type_name()))
}
fn qualified_type_name() -> String {
format!("[{}]!", T::qualified_type_name())
}
fn create_type_info(registry: &mut registry::Registry) -> String {
T::create_type_info(registry);
Self::qualified_type_name()
}
fn parse(value: Option<Value>) -> InputValueResult<Self> {
match value.unwrap_or_default() {
Value::List(values) => values
.into_iter()
.map(|value| InputType::parse(Some(value)))
.collect::<Result<_, _>>()
.map_err(InputValueError::propagate),
value => {
Ok(
vec![InputType::parse(Some(value))
.map_err(InputValueError::propagate)?]
.into(),
)
}
}
}
fn to_value(&self) -> Value {
Value::List(self.iter().map(InputType::to_value).collect())
}
fn as_raw_value(&self) -> Option<&Self::RawValueType> {
Some(self)
}
}
};
}
impl_input_slice_for_smart_ptr!(Box<[T]>);
impl_input_slice_for_smart_ptr!(Arc<[T]>);