65 lines
1.7 KiB
Rust
65 lines
1.7 KiB
Rust
use chrono::{NaiveDate, NaiveDateTime, NaiveTime};
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use crate::{InputValueError, InputValueResult, Scalar, ScalarType, Value};
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#[Scalar(internal)]
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/// ISO 8601 calendar date without timezone.
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/// Format: %Y-%m-%d
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///
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/// # Examples
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///
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/// * `1994-11-13`
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/// * `2000-02-24`
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impl ScalarType for NaiveDate {
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fn parse(value: Value) -> InputValueResult<Self> {
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match value {
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Value::String(s) => Ok(NaiveDate::parse_from_str(&s, "%Y-%m-%d")?),
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_ => Err(InputValueError::expected_type(value)),
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}
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}
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fn to_value(&self) -> Value {
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Value::String(self.format("%Y-%m-%d").to_string())
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}
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}
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#[Scalar(internal)]
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/// ISO 8601 time without timezone.
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/// Allows for the nanosecond precision and optional leap second representation.
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/// Format: %H:%M:%S%.f
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///
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/// # Examples
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///
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/// * `08:59:60.123`
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impl ScalarType for NaiveTime {
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fn parse(value: Value) -> InputValueResult<Self> {
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match value {
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Value::String(s) => Ok(NaiveTime::parse_from_str(&s, "%H:%M:%S%.f")?),
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_ => Err(InputValueError::expected_type(value)),
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}
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}
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fn to_value(&self) -> Value {
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Value::String(self.format("%H:%M:%S%.f").to_string())
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}
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}
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#[Scalar(internal)]
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/// ISO 8601 combined date and time without timezone.
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///
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/// # Examples
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///
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/// * `2015-07-01T08:59:60.123`,
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impl ScalarType for NaiveDateTime {
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fn parse(value: Value) -> InputValueResult<Self> {
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match value {
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Value::String(s) => Ok(NaiveDateTime::parse_from_str(&s, "%Y-%m-%dT%H:%M:%S%.f")?),
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_ => Err(InputValueError::expected_type(value)),
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}
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}
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fn to_value(&self) -> Value {
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Value::String(self.format("%Y-%m-%dT%H:%M:%S%.f").to_string())
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}
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}
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