Struct CurrencyConverter 

pub struct CurrencyConverter {
    pub exchange_service: ExchangeRateService,
}

Core currency conversion engine

Fields

exchange_service: ExchangeRateService

Implementations

impl CurrencyConverter

pub fn new(exchange_service: ExchangeRateService) -> Self

Create a new converter with an exchange rate service

pub fn from_env() -> Result<Self>

Create a converter from environment variables

pub async fn convert( &self, request: ConversionRequest, ) -> Result<ConversionResult>

Convert currency using the most efficient method available

pub async fn convert_batch( &self, requests: Vec<ConversionRequest>, ) -> Vec<Result<ConversionResult>>

Convert multiple currencies in parallel

pub async fn get_available_currencies(&self) -> Result<Vec<String>>

Get available currencies from the exchange service

pub async fn is_currency_supported(&self, currency: &str) -> Result<bool>

Check if a currency is supported

pub async fn get_exchange_rate(&self, from: &str, to: &str) -> Result<f64>

Get current exchange rate between two currencies

Trait Implementations

impl Clone for CurrencyConverter

fn clone(&self) -> CurrencyConverter

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CurrencyConverter

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.