public async Task ExecuteAsync()

in src/JetBrains.Space.Common/RetryPolicies/ResourceRetryPolicyBase.cs [56:95]

• 36 lines of code
• 5 McCabe index (conditional complexity)

    public async Task<TResult> ExecuteAsync<TResult>(
        Func<Task<TResult>> handler,
        CancellationToken cancellationToken)
    {
        var previousExceptions = new List<Exception>();
        var currentDelay = _initialDelay;

        for (var currentRetry = 0; currentRetry < _maxRetries; currentRetry++)
        {
            try
            {
                cancellationToken.ThrowIfCancellationRequested();
                return await handler();
            }
            catch (ResourceException exception)
            {
                if (ShouldRetry(exception))
                {
                    previousExceptions.Add(exception);

                    await Task.Delay(currentDelay, cancellationToken);
                        
                    var multipliedDelay = currentDelay * _multiplier;
                    if (multipliedDelay < _maximumDelay)
                    {
                        currentDelay = multipliedDelay;
                    }
                }
                else
                {
                    throw;
                }
            }
        }

        throw new ResourceException(
            $"Failed to execute handler function. The retry limit of {_maxRetries} was reached. " +
            $"See the inner {nameof(AggregateException)} for exceptions caught in previous attempts.", 
            new AggregateException(previousExceptions));
    }