oai-statsig-rust 0.27.0

Statsig Rust SDK for usage in multi-user server environments.
Documentation 
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use crate::{
    evaluation::evaluator_value::EvaluatorValueRef, specs_response::spec_types::ConditionOperator,
    unwrap_or_return, user::user_value::UserValueRef,
};
use chrono::Duration;

pub(crate) fn compare_time<'a>(
    left: UserValueRef<'_>,
    right: impl Into<EvaluatorValueRef<'a>>,
    op: ConditionOperator,
) -> bool {
    let right = right.into();
    let raw_left_ts = unwrap_or_return!(left.timestamp_value().or(left.int_value()), false);
    let left_ts = to_millis(raw_left_ts);

    // dcs will always be in milliseconds
    let right_ts = unwrap_or_return!(
        right
            .timestamp_value()
            .or_else(|| right.float_value().map(|x| x as i64)),
        false
    );

    match op {
        ConditionOperator::Before => left_ts < right_ts,
        ConditionOperator::After => left_ts > right_ts,
        ConditionOperator::On => {
            Duration::milliseconds(left_ts).num_days()
                == Duration::milliseconds(right_ts).num_days()
        }
        _ => false,
    }
}

fn to_millis(ts: i64) -> i64 {
    // calculate the absolute value of the digits
    let digits = ts.abs();

    // epoch in seconds (milliseconds would be before 1970)
    if digits < 10_000_000_000 {
        // seconds to milliseconds
        ts.saturating_mul(1000)
    } else {
        // milliseconds return directly
        ts
    }
}

#[cfg(test)]
mod tests {
    use crate::evaluation::comparisons::compare_time;
    use crate::specs_response::spec_types::ConditionOperator;
    use crate::user::user_value::UserValue;
    use crate::{dyn_value, test_only_make_eval_value, DynamicValue};
    use chrono::Utc;

    fn create_str_value(s: &str) -> DynamicValue {
        dyn_value!(s.to_string())
    }

    #[test]
    fn test_compare_before() {
        let now = Utc::now().timestamp_millis();
        let left = DynamicValue::for_timestamp_evaluation(now);
        let right = test_only_make_eval_value!(now + 1);

        assert!(compare_time(
            (&left).into(),
            &right,
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_compare_after() {
        let now = Utc::now().timestamp_millis();
        let left = DynamicValue::for_timestamp_evaluation(now + 1);
        let right = test_only_make_eval_value!(now);

        assert!(compare_time(
            (&left).into(),
            &right,
            ConditionOperator::After
        ));
    }

    #[test]
    fn test_rfc3339_format() {
        let test_eval_value = test_only_make_eval_value!("2023-01-02T00:00:00Z");
        assert!(compare_time(
            (&create_str_value("2023-01-01T00:00:00Z")).into(),
            &test_eval_value,
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_custom_datetime_format() {
        let test_eval_value = test_only_make_eval_value!("2023-01-02 00:00:00");
        assert!(compare_time(
            (&create_str_value("2023-01-01 00:00:00")).into(),
            &test_eval_value,
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_date_only_format() {
        let test_eval_value = test_only_make_eval_value!("2023-01-02");
        assert!(compare_time(
            (&create_str_value("2023-01-01")).into(),
            &test_eval_value,
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_date_only_user_value_before_epoch_millis() {
        let test_eval_value = test_only_make_eval_value!(1780286400000_i64); // 2026-06-01T04:00:00Z
        let left = UserValue::from_string("2026-05-30");

        assert!(compare_time(
            (&left).into(),
            &test_eval_value,
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_iso_format_no_separator() {
        let test_eval_value = test_only_make_eval_value!("2023-01-02 00:00:00Z");
        assert!(compare_time(
            (&create_str_value("2023-01-01 00:00:00Z")).into(),
            &test_eval_value,
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_timestamp_string() {
        let test_eval_value = test_only_make_eval_value!("1672617600000");
        assert!(compare_time(
            (&create_str_value("1672531200000")).into(), // 2023-01-01
            &test_eval_value,                            // 2023-01-02
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_mixed_formats() {
        let test_eval_value = test_only_make_eval_value!(1672617600000_i64);
        assert!(compare_time(
            (&create_str_value("2023-01-01T00:00:00Z")).into(),
            &test_eval_value, // 2023-01-02
            ConditionOperator::Before
        ));
    }

    #[test]
    fn test_invalid_input() {
        let test_eval_value = test_only_make_eval_value!(1672617600000_i64);
        assert!(!compare_time(
            (&create_str_value("invalid-date")).into(),
            &test_eval_value,
            ConditionOperator::Before
        ));
    }
}