stock-trek 0.4.13

Stock Trek time-series analysis
Documentation 
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use crate::{
    predicates::{
        compare_predicate::ComparePredicate,
        has_account_in_exchange_predicate::HasAccountInExchangePredicate,
        not_predicate::NotPredicate,
        owns_asset_in_exchange_predicate::OwnsAssetInExchangePredicate,
        owns_asset_predicate::OwnsAssetPredicate,
        predicate::Predicate,
        quantity_of_predicate::{QuantityOf, QuantityOfPredicate},
    },
    scratch::key::ScratchKey,
    values::value::NumberValue,
};
use digdigdig3::ExchangeId;
use std::cmp::Ordering;

pub struct PredicatesFactory;

impl PredicatesFactory {
    pub fn compare(
        &self,
        left: NumberValue,
        comparison: Ordering,
        right: NumberValue,
    ) -> Predicate {
        ComparePredicate::new(left, comparison, right)
    }
    pub fn has_account_in_exchange(&self, exchange: ExchangeId) -> Predicate {
        HasAccountInExchangePredicate::new(exchange)
    }
    pub fn not(&self, predicate: Predicate) -> Predicate {
        NotPredicate::new(predicate)
    }
    pub fn owns_asset_in_exchange(
        &self,
        asset: impl AsRef<str>,
        exchange: ExchangeId,
    ) -> Predicate {
        OwnsAssetInExchangePredicate::new(asset.as_ref().to_string(), exchange)
    }
    pub fn owns_asset(&self, asset: impl AsRef<str>) -> Predicate {
        OwnsAssetPredicate::new(asset.as_ref().to_string())
    }
    pub fn quantity_of(&self, quantity_of: QuantityOf, predicates: Vec<Predicate>) -> Predicate {
        QuantityOfPredicate::new(quantity_of, predicates)
    }
    pub fn scratch_pad(&self, key: &ScratchKey<bool>) -> Predicate {
        Box::new(key.clone())
    }
}