public async Task <IEnumerable <CategoryDto> > Handle(GetCategoriesQuery request, CancellationToken cancellationToken)
{
if (!_memoryCacheManager.TryGetValue(nameof(GetCategoriesQuery), out IEnumerable <CategoryDto> categoryDtos))
{
var categories = await _unitOfWork.Categories.GetAllAsync();
categoryDtos = categories.Select(c => new CategoryDto
{
Id = c.Id,
Name = c.Name
});
_memoryCacheManager.Set(nameof(GetCategoriesQuery), categoryDtos);
}
return(categoryDtos);
}
public async Task <IEnumerable <CategoryDto> > Handle(GetCategoriesQuery request, CancellationToken cancellationToken)
{
if (!_memoryCache.TryGetValue(nameof(GetCategoriesQuery), out IEnumerable <CategoryDto> categoryDtos))
{
var categories = await _context.Categories.ToListAsync();
var cacheExpiryOptions = new MemoryCacheEntryOptions
{
AbsoluteExpiration = DateTime.Now.AddMinutes(5),
Priority = CacheItemPriority.High,
SlidingExpiration = TimeSpan.FromMinutes(2)
};
categoryDtos = categories.Select(c => new CategoryDto
{
Id = c.Id,
Name = c.Name
});
_memoryCache.Set(nameof(GetCategoriesQuery), categoryDtos, cacheExpiryOptions);
}
return(categoryDtos);
}