async-graphql/src/types/external/chrono_tz.rs
2020-10-15 07:38:10 +01:00

18 lines
451 B
Rust

use chrono_tz::Tz;
use crate::{InputValueError, InputValueResult, Result, ScalarType, Value, Scalar};
#[Scalar(internal, name = "TimeZone")]
impl ScalarType for Tz {
fn parse(value: Value) -> InputValueResult<Self> {
match value {
Value::String(s) => Ok(s.parse()?),
_ => Err(InputValueError::expected_type(value)),
}
}
fn to_value(&self) -> Value {
Value::String(Tz::name(self))
}
}