public virtual async Task <List <T> > GetAllWhereAsync(Func <T, bool> filterPredicate, bool skipDatabaseConsistencyCheck = false)
{
if (filterPredicate == null)
{
return(new List <T>());
}
// If this is the first time the GetAllAsync has been called, we return 0, despite the fact that there might be some in the cache.
// This is because we want to force the call to the database to ensure that we have a true "all" which will also then populate the cache
// in the service layer.
if (skipDatabaseConsistencyCheck)
{
var allItemsNoDbCheck = await _appCache.GetAllItemsInPartitionAsync <T>(PartitionNameFormatter()).ConfigureAwait(false);
return(allItemsNoDbCheck.Where(filterPredicate).ToList());
}
var key = ComposeLastCallToGetAllCacheKey();
var containsKey = _appCache.Contains(key);
if (!containsKey)
{
_appCache.AddOrUpdate(key, DateTimeOffset.UtcNow, TimeSpan.FromDays(2));
return(new List <T>());
}
_appCache.AddOrUpdate(key, DateTimeOffset.UtcNow, TimeSpan.FromDays(2));
var allItems = await _appCache.GetAllItemsInPartitionAsync <T>(PartitionNameFormatter()).ConfigureAwait(false);
return(allItems.Where(filterPredicate).ToList());
}
public async Task <int> GetUserId()
{
if (_appCache.Contains(UserIdKey))
{
return(_appCache.Get <int>(UserIdKey));
}
int userId;
var user = await _userService.GetByUserNameAsync(UserName);
if (user == null)
{
// No user exists so let's create one
user = new Data.Models.User
{
Name = UserName,
UserName = UserName
};
userId = await _userService.CreateAsync(user /*, _appConfigHelper.SystemUserId*/);
}
else
{
userId = user.Id;
}
_appCache.Add(UserIdKey, userId);
return(userId);
}
