statsig-rust 0.19.1-beta.2604110309

Statsig Rust SDK for usage in multi-user server environments.
Documentation 
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use crate::evaluation::evaluator_result::EvaluatorResult;
use crate::SpecsSource;
use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize, Clone, PartialEq, Debug)]
pub struct EvaluationDetails {
    pub reason: String,
    pub lcut: Option<u64>,
    pub received_at: Option<u64>,
    pub version: Option<u32>,
}

impl EvaluationDetails {
    pub fn unrecognized(source: &SpecsSource, lcut: u64, received_at: Option<u64>) -> Self {
        Self::create_from_data(
            source,
            lcut,
            received_at,
            "Unrecognized",
            &EvaluatorResult::default(),
        )
    }

    pub fn recognized_without_eval_result(
        source: &SpecsSource,
        lcut: u64,
        received_at: Option<u64>,
    ) -> Self {
        Self::create_from_data(
            source,
            lcut,
            received_at,
            "Recognized",
            &EvaluatorResult::default(),
        )
    }

    pub fn recognized(
        source: &SpecsSource,
        lcut: u64,
        received_at: Option<u64>,
        eval_result: &EvaluatorResult,
    ) -> Self {
        Self::create_from_data(source, lcut, received_at, "Recognized", eval_result)
    }

    pub fn recognized_but_overridden(
        lcut: u64,
        received_at: Option<u64>,
        override_reason: &str,
        version: Option<u32>,
    ) -> Self {
        Self {
            reason: format!("{override_reason}:Recognized"),
            lcut: Some(lcut),
            received_at,
            version,
        }
    }

    #[must_use]
    pub fn unrecognized_no_data() -> Self {
        Self {
            reason: SpecsSource::NoValues.to_string(),
            lcut: None,
            received_at: None,
            version: None,
        }
    }

    #[must_use]
    pub fn error(sub_reason: &str) -> Self {
        Self {
            reason: format!("Error:{sub_reason}"),
            lcut: None,
            received_at: None,
            version: None,
        }
    }

    fn create_from_data(
        source: &SpecsSource,
        lcut: u64,
        received_at: Option<u64>,
        sub_reason: &str,
        eval_result: &EvaluatorResult,
    ) -> Self {
        if *source == SpecsSource::Uninitialized || *source == SpecsSource::NoValues {
            return Self {
                reason: source.to_string(),
                lcut: None,
                received_at: None,
                version: eval_result.version,
            };
        }

        if eval_result.unsupported {
            return Self {
                reason: format!("{source}:Unsupported"),
                lcut: Some(lcut),
                received_at,
                version: eval_result.version,
            };
        }

        Self {
            reason: format!("{source}:{sub_reason}"),
            lcut: Some(lcut),
            received_at,
            version: eval_result.version,
        }
    }
}