async-graphql/src/types/empty_mutation.rs
2020-03-06 23:58:43 +08:00

31 lines
834 B
Rust

use crate::{registry, Context, GQLObject, GQLType, QueryError, Result};
use graphql_parser::query::Field;
use std::borrow::Cow;
pub struct GQLEmptyMutation;
impl GQLType for GQLEmptyMutation {
fn type_name() -> Cow<'static, str> {
Cow::Borrowed("EmptyMutation")
}
fn create_type_info(registry: &mut registry::Registry) -> String {
registry.create_type::<Self, _>(|_| registry::Type::Object {
name: "EmptyMutation",
description: None,
fields: Vec::new(),
})
}
}
#[async_trait::async_trait]
impl GQLObject for GQLEmptyMutation {
fn is_empty() -> bool {
return true;
}
async fn resolve_field(&self, _ctx: &Context<'_>, _name: &Field) -> Result<serde_json::Value> {
return Err(QueryError::NotConfiguredMutations.into());
}
}