private IReadOnlyList <HabitStreak> CalculateStreaks(Habit habit)
{
var last = habit.Created.Date;
var dates = habit.Entries
.Select(z => z.Created.Date)
.Distinct()
.OrderBy(z => z)
.ToImmutableArray();
var result = ImmutableArray <HabitStreak> .Empty;
foreach (var date in dates)
{
var days = (int)(date - last).TotalDays;
if (days > 1)
{
result = result.Add(new HabitStreak(last, date, days));
}
last = date;
}
var today = DateTime.Today;
if (last != today)
{
var days = (int)(today - last).TotalDays;
result = result.Add(new HabitStreak(last, today, days));
}
return(result);
}
public async Task <Habit> Update(Habit habit)
{
var entity = await _db.Habits.Where(z => z.Id == habit.Id).SingleOrDefaultAsync();
entity.Description = habit.Description;
entity.Name = habit.Name;
await _db.SaveChangesAsync();
return(entity.ToDomain());
}
public async Task <Habit> SaveHabit(Habit habit)
{
if (!await _habits.Exists(habit.Id))
{
return(await _habits.Insert(habit));
}
else
{
return(await _habits.Update(habit));
}
}
public async Task <Habit> Insert(Habit habit)
{
var entity = new Infrastructure.Data.Context.Habit
{
Id = habit.Id,
Created = habit.Created,
Description = habit.Description,
Name = habit.Name,
UserId = habit.UserId
};
await _db.Habits.AddAsync(entity);
await _db.SaveChangesAsync();
return(entity.ToDomain());
}