async-graphql/src/scalars/chrono_tz.rs

19 lines
505 B
Rust

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