public async Task <UserHistoryDto> EstimateBonus(Guid historyId, int estimate, CancellationToken cancellationToken = default)
{
var history = await _historyRepository.GetByIdAsync(historyId, cancellationToken);
if (history is null)
{
throw new ArgumentNullException("", Resources.IdentifierIsNull);
}
history.Rating = estimate;
var bonus = await _bonusRepository.GetByIdAsync(history.BonusId, cancellationToken);
if (bonus is null)
{
throw new ArgumentNullException("", Resources.IdentifierIsNull);
}
double avg;
if (bonus.Rating == 0)
{
avg = estimate;
}
else
{
int countEst = await _historyRepository.GetCountHistoryByBonusIdAsync(bonus.Id, cancellationToken);
avg = (bonus.Rating + estimate) / (countEst + 1);
}
await _bonusRepository.UpdateBonusRatingAsync(bonus.Id, avg, cancellationToken);
await _historyRepository.UpdateAsync(historyId, history, cancellationToken);
return(_mapper.Map <UserHistoryDto>(history));
}
public async Task <BonusDto> FindBonusByIdAsync(Guid id, CancellationToken cancellationToken)
{
if (id == Guid.Empty)
{
throw new ArgumentNullException("", Resources.IdentifierIsNull);
}
var result = await _bonusRepository.GetByIdAsync(id, cancellationToken);
return(result is null ? throw new ArgumentException("", Resources.FindbyIdError) : _mapper.Map <BonusDto>(result));
}
public async Task <UserHistoryDto> EstimateBonus(Guid historyId, int estimate, CancellationToken cancellationToken = default)
{
var history = await _historyRepository.GetByIdAsync(historyId, cancellationToken);
if (history is null)
{
throw new ArgumentNullException("", Resources.IdentifierIsNull);
}
history.Rating = estimate;
var bonus = await _bonusRepository.GetByIdAsync(history.BonusId, cancellationToken);
if (bonus is null)
{
throw new ArgumentNullException("", Resources.IdentifierIsNull);
}
double avg;
if (bonus.Rating == 0)
{
avg = estimate;
}
else
{
var estimatedHistory = await _historyRepository.GetEstmatatedHistoryByBonusIdAsync(bonus.Id, cancellationToken);
int sumEstimated = 0;
foreach (var h in estimatedHistory)
{
sumEstimated += h.Rating;
}
avg = (double)(sumEstimated + estimate) / (double)(estimatedHistory.Count() + 1);
}
await _bonusRepository.UpdateBonusRatingAsync(bonus.Id, avg, cancellationToken);
await _historyRepository.UpdateAsync(historyId, history, cancellationToken);
return(_mapper.Map <UserHistoryDto>(history));
}