async-graphql/src/types/external/datetime.rs

67 lines
1.8 KiB
Rust

use chrono::{DateTime, FixedOffset, Local, Utc};
use crate::{InputValueError, InputValueResult, Scalar, ScalarType, Value};
/// Implement the DateTime<FixedOffset> scalar
///
/// The input/output is a string in RFC3339 format.
#[Scalar(
internal,
name = "DateTime",
specified_by_url = "https://datatracker.ietf.org/doc/html/rfc3339"
)]
impl ScalarType for DateTime<FixedOffset> {
fn parse(value: Value) -> InputValueResult<Self> {
match &value {
Value::String(s) => Ok(s.parse::<DateTime<FixedOffset>>()?),
_ => Err(InputValueError::expected_type(value)),
}
}
fn to_value(&self) -> Value {
Value::String(self.to_rfc3339())
}
}
/// Implement the DateTime<Local> scalar
///
/// The input/output is a string in RFC3339 format.
#[Scalar(
internal,
name = "DateTime",
specified_by_url = "https://datatracker.ietf.org/doc/html/rfc3339"
)]
impl ScalarType for DateTime<Local> {
fn parse(value: Value) -> InputValueResult<Self> {
match &value {
Value::String(s) => Ok(s.parse::<DateTime<Local>>()?),
_ => Err(InputValueError::expected_type(value)),
}
}
fn to_value(&self) -> Value {
Value::String(self.to_rfc3339())
}
}
/// Implement the DateTime<Utc> scalar
///
/// The input/output is a string in RFC3339 format.
#[Scalar(
internal,
name = "DateTime",
specified_by_url = "https://datatracker.ietf.org/doc/html/rfc3339"
)]
impl ScalarType for DateTime<Utc> {
fn parse(value: Value) -> InputValueResult<Self> {
match &value {
Value::String(s) => Ok(s.parse::<DateTime<Utc>>()?),
_ => Err(InputValueError::expected_type(value)),
}
}
fn to_value(&self) -> Value {
Value::String(self.to_rfc3339())
}
}