async-graphql/src/model/field.rs
2020-03-04 10:38:07 +08:00

58 lines
1.8 KiB
Rust

use crate::model::{__InputValue, __Type};
use crate::{registry, Context, Result};
use async_graphql_derive::Object;
#[Object(
internal,
desc = "Object and Interface types are described by a list of Fields, each of which has a name, potentially a list of arguments, and a return type.",
field(name = "name", type = "String", owned),
field(name = "description", type = "Option<String>", owned),
field(name = "args", type = "Vec<__InputValue>", owned),
field(name = "type", resolver = "ty", type = "__Type", owned),
field(name = "isDeprecated", type = "bool", owned),
field(name = "deprecationReason", type = "Option<String>", owned)
)]
pub struct __Field<'a> {
pub registry: &'a registry::Registry,
pub field: &'a registry::Field,
}
#[async_trait::async_trait]
#[allow()]
impl<'a> __FieldFields for __Field<'a> {
async fn name(&self, _: &Context<'_>) -> Result<String> {
Ok(self.field.name.to_string())
}
async fn description(&self, _: &Context<'_>) -> Result<Option<String>> {
Ok(self.field.description.map(|s| s.to_string()))
}
async fn args<'b>(&'b self, _: &Context<'_>) -> Result<Vec<__InputValue<'b>>> {
Ok(self
.field
.args
.iter()
.map(|input_value| __InputValue {
registry: self.registry,
input_value,
})
.collect())
}
async fn ty<'b>(&'b self, _: &Context<'_>) -> Result<__Type<'b>> {
Ok(__Type {
registry: self.registry,
ty: &self.registry[&self.field.ty],
})
}
async fn is_deprecated(&self, _: &Context<'_>) -> Result<bool> {
Ok(self.field.deprecation.is_some())
}
async fn deprecation_reason(&self, _: &Context<'_>) -> Result<Option<String>> {
Ok(self.field.deprecation.map(|s| s.to_string()))
}
}