public async Task <BudgetViewModel> Handle(GetBudgetQuery request, CancellationToken cancellationToken)
{
if (_memoryCache.TryGetValue(CacheKeys.CacheKeyForBudgetId(request.BudgetId), out BudgetViewModel cacheEntry))
{
return(cacheEntry);
}
var filter = Builders <BudgetViewModel> .Filter.Eq(m => m.BudgetId, request.BudgetId);
var budgetViewModel = await _budgetNoSqlContext
.Budgets
.Find(filter)
.FirstOrDefaultAsync(cancellationToken);
if (budgetViewModel == null)
{
return(null);
}
_memoryCache.Set(
CacheKeys.CacheKeyForBudgetId(budgetViewModel.BudgetId),
budgetViewModel,
new MemoryCacheEntryOptions
{
SlidingExpiration = TimeSpan.FromMinutes(1)
});
return(budgetViewModel);
}
private void UpdateMemoryCache(BudgetViewModel budgetViewModel)
{
_memoryCache.Set(
CacheKeys.CacheKeyForBudgetId(budgetViewModel.BudgetId),
budgetViewModel,
new MemoryCacheEntryOptions
{
SlidingExpiration = TimeSpan.FromMinutes(1)
});
}
