drn::conversion::OpenExchangeRatesSource Class Reference

Manages the details of fetching conversion rates between two currencies from the Open Exchange Rates, https://openexchangerates.org/ . More...

#include <OpenExchangeRatesSource.h>

Inheritance diagram for drn::conversion::OpenExchangeRatesSource:

Collaboration diagram for drn::conversion::OpenExchangeRatesSource:

Public Member Functions
	OpenExchangeRatesSource (networking::NotifyingSender &sender, QString appId, foundation::QtPtr< QObject > parent)
	Full initialisation constructor.
	~OpenExchangeRatesSource () override
const QString &	applicationId () const
	The application identifier for the OER servers.
pecunia::FloatingPoint	fetch (const pecunia::Currency &from, const pecunia::Currency &to) const override
	Synchronously retrieves the conversion from one currency code to another.
Public Member Functions inherited from drn::conversion::CurrencySource
	CurrencySource (const foundation::QtPtr< QObject > &parent)
	Full initialisation constructor.

Static Public Attributes
static constexpr auto	host_ {"openexchangerates.org"}

Detailed Description

Manages the details of fetching conversion rates between two currencies from the Open Exchange Rates, https://openexchangerates.org/ .

Constructor & Destructor Documentation

OpenExchangeRatesSource()

drn::conversion::OpenExchangeRatesSource::OpenExchangeRatesSource	(	networking::NotifyingSender &	sender,
		QString	appId,
		foundation::QtPtr< QObject >	parent )

Full initialisation constructor.

Parameters

sender	The object through which the network is accessible for sending requests.
appId	The application identifier for the OER servers.
parent	The parent widget of the object.

~OpenExchangeRatesSource()

drn::conversion::OpenExchangeRatesSource::~OpenExchangeRatesSource ( )

override

Member Function Documentation

applicationId()

const QString & drn::conversion::OpenExchangeRatesSource::applicationId ( ) const

nodiscard

The application identifier for the OER servers.

fetch()

pecunia::FloatingPoint drn::conversion::OpenExchangeRatesSource::fetch ( const pecunia::Currency & from, const pecunia::Currency & to ) const

overridevirtual

Synchronously retrieves the conversion from one currency code to another.

Exceptions

ReplyError	When it fails to during the reply of a conversion request.
ParsingError	When the data returned contains an error.

Parameters

from	The currency to convert from.
to	The currency to convert to.

Returns

The ratio that when multiplied will take the value of "from" to the value of "to".

Implements drn::conversion::CurrencySource.

Member Data Documentation

host_

auto drn::conversion::OpenExchangeRatesSource::host_ {"openexchangerates.org"}

staticconstexpr