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Open exchange rates bundle

Symfony 4+ compatible bundle for fetching foreign exchange rates from openexchangerates.com. Symfony wrapper for qbil-software/openexchangerates package

Installation

  1. Add qbil-software/openexchangeratesbundle to composer.json file

  2. Run composer update

  3. Register bundle by adding following line to AppKernel.php

     new Qbil\OpenExchangeRateBundle\QbilOpenExchangeRatesBundle()

  4. Add qbil_open_exchange_rates.app_id: APP_ID and qbil_open_exchange_rates.base_currency: BASE_CURRENCY_SYMBOL to parameters.yml where APP_ID is you app_id (See https://docs.openexchangerates.org/docs/authentication for more info about app_id) and BASE_CURRENCY_SYMBOL is you base currency (See https://docs.openexchangerates.org/docs/set-base-currency for more info about base currency). Default base currency is USD. If you dont wish to change base currency, set it to ~

  5. You are ready to use the bundle now.

Usage

Open exchange rates bundle comes with a service with id Qbil\OpenExchangeRates\Exchange, which can be injected into another services via dependency injection provided by symfony.

Methods

The service provides five public methods latest, historical, between, convert and currencies.

All methods except currencies (which accepts no argument) can accept an associative array as argument with following keys

  1. symbols or currencies - Get foreign exchange rates of only give currencies (in comma separated format).

    For example
    $this-get('qbil_open_exchange_rates.exchange')->latest(['symbols' => 'USD,EUR,GBP']) will return an array of latest foreign exchange rates of currencies USD, EUR and GBP
  2. base - Even if you specified base currency in parameters.yml file, you can override it in each request adding base key to arguments array

    For example
    $this-get('qbil_open_exchange_rates.exchange')->latest(['base' => 'GBP']) will return an array of latest foreign exchange rates with respect to base currency GBP

Methods explained

  1. latest - This method fetches latest foreign exchange rates. e.g. $this-get('qbil_open_exchange_rates.exchange')->latest() will return an array of latest exchange rates.

  2. historical - This method fetches foreign exchange rates of a particular date. It has a required argument key date (yyyy-mm-dd format), i.e. the date of which foreign exchange rates you want to fetch .e.g. $this-get('qbil_open_exchange_rates.exchange')->historical(['date' => '2017-10-01']) will return an array of exchange rates of date 2017-10-01.

  3. between - This method fetches foreign exchange rates between particular dates specified by arguments key start and end (both in yyyy-mm-dd format) .e.g. $this-get('qbil_open_exchange_rates.exchange')->between(['start' => '2017-10-01', 'end' => '2017-11-05']) will return an array of exchange rates of between 2017-10-01 and 2017-11-05.

  4. convert - This method is used to convert any money value from one currency to another at the latest foreign exchange rates. It has three required argument keys amount, from and to. from and to are currency codes (3 letters) and amount is the amount you want to convert. e.g. $this-get('qbil_open_exchange_rates.exchange')->between(['amount' => '15678800', 'from' => 'USD', 'to' => 'EUR']) will return equivalent amount in EUR (as string)

  5. currencies - This method returns array of all supported currencies with symbol as their key and currency as their value.

Note: Some of the above methods are only available in enterprise or ultimate edition. Please visit https://openexchangerates.com for more info