private async Task <List <Manufacturer> > GetManufacturers(IReadOnlyCollection <string> manufacturerIds)
{
List <Manufacturer> cachedManufacturers = new();
var notCachedManufacturerIds = manufacturerIds.ToList();
foreach (var manufacturerId in manufacturerIds)
{
var cacheKey = $"Manufacturer-{manufacturerId}";
var cache = await _cacheService.GetStringAsync(cacheKey);
if (!string.IsNullOrEmpty(cache))
{
var cachedManufacturer = JsonSerializer.Deserialize <Manufacturer>(cache);
cachedManufacturers.Add(cachedManufacturer);
notCachedManufacturerIds.Remove(manufacturerId);
}
}
var manufacturersInDb =
await _manufacturerRepository.GetRangeAsync(m => notCachedManufacturerIds.Contains(m.Id));
foreach (var manufacturerDto in manufacturersInDb)
{
await _cacheService.SetCacheAsync($"Manufacturer-{manufacturerDto.Id}", manufacturerDto,
_manufacturerSettings);
}
manufacturersInDb.AddRange(cachedManufacturers);
return(manufacturersInDb);
}
public async Task <Result <List <ManufacturerDto> > > Handle(GetManufacturersCommand request,
CancellationToken cancellationToken)
{
var manufacturersInDb = await _manufacturerRepository.GetRangeAsync(request.Predicate);
var manufacturers = _mapper.Map <List <ManufacturerDto> >(manufacturersInDb);
return(Result <List <ManufacturerDto> > .Success(manufacturers));
}
