- Introduced a new helper method `fetchData` to streamline HTTP requests for currency data.
- Replaced direct HTTP calls with the new `fetchData` method for better code organization.
- Utilized `NumberFormatter` for consistent number formatting, replacing the previous `virgulToNokta` method.
- Enhanced data handling for currency rates, ensuring proper type casting and rounding for values.
- Removed commented-out code related to gold rates to clean up the implementation.
These changes enhance the maintainability and readability of the currency fetching logic.
Implemented a new method `getCurrencyRateByName` in the CurrencyController to fetch the currency rate based on the provided currency name from a JSON file. The method handles cases where the file does not exist or the currency is not found, returning appropriate JSON responses for each scenario.
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