public async Task <List <Mail> > GetMailToFarmer(string farmerId)
{
// Consider: Should this be moved in a MailService?
var filter = TableQuery.GenerateFilterCondition("ToFarmerId", QueryComparisons.Equal, farmerId);
filter = TableQuery.CombineFilters(GetPartitionFilter(), TableOperators.And, filter);
return(await _repository.Query <Mail>(filter));
}