MaysWind
36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
package exchangerates
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import (
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"github.com/mayswind/lab/pkg/errs"
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"github.com/mayswind/lab/pkg/settings"
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)
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// ExchangeRatesDataSourceContainer contains the current exchange rates data source
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type ExchangeRatesDataSourceContainer struct {
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Current ExchangeRatesDataSource
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}
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// Initialize a exchange rates data source container singleton instance
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var (
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Container = &ExchangeRatesDataSourceContainer{}
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)
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// InitializeExchangeRatesDataSource initializes the current exchange rates data source according to the config
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func InitializeExchangeRatesDataSource(config *settings.Config) error {
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if config.ExchangeRatesDataSource == settings.EuroCentralBankDataSource {
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Container.Current = &EuroCentralBankDataSource{}
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return nil
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} else if config.ExchangeRatesDataSource == settings.BankOfCanadaDataSource {
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Container.Current = &BankOfCanadaDataSource{}
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return nil
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} else if config.ExchangeRatesDataSource == settings.CzechNationalBankDataSource {
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Container.Current = &CzechNationalBankDataSource{}
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return nil
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} else if config.ExchangeRatesDataSource == settings.NationalBankOfPolandDataSource {
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Container.Current = &NationalBankOfPolandDataSource{}
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return nil
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}
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return errs.ErrInvalidExchangeRatesDataSource
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}
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