2020-05-10 10:27:46 +00:00
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use crate::{InputValueError, InputValueResult, Result, ScalarType, Value};
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2020-04-27 09:58:10 +00:00
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use async_graphql_derive::Scalar;
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2020-03-27 01:03:30 +00:00
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use chrono_tz::Tz;
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use std::str::FromStr;
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2020-05-19 05:27:01 +00:00
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#[Scalar(internal, name = "TimeZone")]
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2020-04-27 09:58:10 +00:00
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impl ScalarType for Tz {
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2020-05-11 13:47:24 +00:00
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fn parse(value: Value) -> InputValueResult<Self> {
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2020-03-27 01:03:30 +00:00
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match value {
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2020-05-10 10:27:46 +00:00
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Value::String(s) => Ok(Tz::from_str(&s)?),
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2020-05-11 13:47:24 +00:00
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_ => Err(InputValueError::ExpectedType(value)),
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2020-03-27 01:03:30 +00:00
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}
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}
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2020-05-26 10:34:43 +00:00
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fn to_value(&self) -> Value {
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Value::String(Tz::name(self))
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2020-03-27 01:03:30 +00:00
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}
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}
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