public async Task Invoke()
{
IList <User> users = await _userRepository.GetUsers();
Int32 RECOMMENDED_CALLORIES_PER_DAY = 2000;
Int32 MAX_WASTE_ALLOWED = 200;
foreach (var user in users)
{
IList <GroceryItem> itemsToExpire = await _groceriesRepository.GetUserItemsExpiringInNearFuture(user.Id);
Double idealCaloriesPerDay = 0;
foreach (var item in itemsToExpire)
{
Double daysUntilExpired = (item.ExpirationDate - DateTime.Now).TotalDays;
idealCaloriesPerDay += item.Calories / daysUntilExpired;
}
Double waste = idealCaloriesPerDay - RECOMMENDED_CALLORIES_PER_DAY;
if (waste > MAX_WASTE_ALLOWED)
{
_SendNotification(user.Id, waste);
}
}
}
public async Task CheckExpirationDates()
{
IList <User> users = await _userRepository.GetUsers();
Int32 DAYS_BEFORE_EXPIRATION = 5;
foreach (var user in users)
{
var itemsToExpire = await _groceriesRepository.GetUserItemsExpiringInNearFuture(user.Id);
foreach (var item in itemsToExpire)
{
if (item.ExpirationDate.Date == DateTime.Now.AddDays(DAYS_BEFORE_EXPIRATION).Date)
{
Notify(user.Id, new Models.Groceries.GroceryItem(item));
}
}
}
}