feat: convert price from major to minor and minor to major
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parent
3a6b200773
commit
d62beabb62
4 changed files with 44 additions and 78 deletions
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@ -46,6 +46,22 @@ pub struct Price {
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currency: Currency,
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}
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impl Price {
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pub fn major_as_minor(&self) -> usize {
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self.major * 100
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}
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pub fn from_minor(minor_only: usize, currency: Currency) -> Price {
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let minor = minor_only % 100;
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let major = (minor_only - minor) / 100;
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Price {
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minor,
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major,
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currency,
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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@ -69,4 +85,29 @@ mod tests {
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fn currency_to_string_from_str() {
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assert!(test_helper(Currency::INR, INR));
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}
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#[test]
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fn from_major_to_minor() {
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assert_eq!(
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Price {
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major: 100,
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minor: 0,
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currency: Currency::INR,
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}
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.major_as_minor(),
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100 * 100
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);
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}
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#[test]
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fn from_minor() {
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assert_eq!(
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Price::from_minor((100 * 100) + 1, Currency::INR),
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Price {
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major: 100,
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minor: 1,
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currency: Currency::INR,
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}
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);
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}
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}
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@ -260,7 +260,7 @@ mod tests {
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);
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// error cases
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assert_eq!(
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assert_eq!(
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QuantityPart {
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unit: QuantityUnit::Milligram,
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number: 1
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@ -268,7 +268,7 @@ mod tests {
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.as_minor(),
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Err(QuantityError::QuantityCantBeDivided)
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);
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assert_eq!(
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assert_eq!(
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QuantityPart {
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unit: QuantityUnit::DiscreteNumber,
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number: 1
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@ -276,7 +276,7 @@ mod tests {
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.as_minor(),
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Err(QuantityError::QuantityCantBeDivided)
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);
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assert_eq!(
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assert_eq!(
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QuantityPart {
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unit: QuantityUnit::Milligram,
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number: 1
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@ -284,7 +284,5 @@ mod tests {
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.as_minor(),
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Err(QuantityError::QuantityCantBeDivided)
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);
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}
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}
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@ -1,72 +0,0 @@
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// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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use std::str::FromStr;
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use async_trait::async_trait;
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use cqrs_es::Aggregate;
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use derive_builder::Builder;
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use derive_getters::Getters;
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use derive_more::Display;
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use serde::{Deserialize, Serialize};
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use uuid::Uuid;
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#[derive(Clone, Display, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd)]
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pub enum Currency {
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#[display(fmt = "{}", INR)]
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INR,
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}
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const INR: &str = "INR";
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impl FromStr for Currency {
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type Err = String;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let s = s.trim();
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match s {
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INR => Ok(Self::INR),
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_ => Err("Currency unsupported".into()),
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}
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}
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}
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impl Default for Currency {
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fn default() -> Self {
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Self::INR
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}
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}
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#[derive(
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Clone, Default, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd, Getters, Builder,
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)]
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pub struct Price {
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major: usize,
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minor: usize,
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currency: Currency,
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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fn test_helper<T>(t: T, str_value: &str) -> bool
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where
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T: ToString + FromStr + std::fmt::Debug + PartialEq,
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<T as FromStr>::Err: std::fmt::Debug,
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{
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println!("Testing type: {:?} against value {str_value}", t);
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assert_eq!(t.to_string(), str_value.to_string());
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assert_eq!(T::from_str(str_value).unwrap(), t);
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assert_eq!(T::from_str(t.to_string().as_str()).unwrap(), t,);
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true
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}
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#[test]
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fn currency_to_string_from_str() {
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assert!(test_helper(Currency::INR, INR));
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}
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}
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@ -2,7 +2,6 @@
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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pub mod currency;
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pub mod parse_aggregate_id;
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pub mod random_string;
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pub mod string;
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