redgold-schema 0.1.48

Decentralized Portfolio Contracts & Data Lake
Documentation 
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use crate::structs::{TrustData, Weighting};

/// Level of precision here is 3 digits. I.e. review rating of 90.5 is 905.
const DEFAULT_TRUST_DIVISOR: f64 = 1000.0;

pub trait FloatRoundedConvert {
    fn to_rounded_i64(&self) -> i64;
}

pub trait FloatRoundedConverti64 {
    fn to_rounded_f64(&self) -> f64;
}

impl FloatRoundedConvert for f64 {
    fn to_rounded_i64(&self) -> i64 {
        (*self * DEFAULT_TRUST_DIVISOR) as i64
    }
}

impl FloatRoundedConverti64 for i64 {
    fn to_rounded_f64(&self) -> f64 {
        (*self as f64) / DEFAULT_TRUST_DIVISOR
    }
}

impl TrustData {
    pub fn with_label(&mut self, label: f64) -> &mut Self {
        let weighting = Weighting::from_float_basis(label, DEFAULT_TRUST_DIVISOR as i64);
        self.label_rating = Some(weighting);
        self
    }
    pub fn label(&self) -> f64 {
        self.maybe_label().expect("label is not set")
    }
    pub fn maybe_label(&self) -> Option<f64> {
        self.label_rating.clone().map(|l| l.to_float())
    }

    pub fn from_label(label: f64) -> Self {
        let mut t = TrustData::default();
        t.with_label(label);
        t
    }
}