public async Task <IEnumerable <KeyValuePair <DateTime, int> > > Distribute(int month)
{
if (month >= 12 && month <= 1)
{
throw new Exception(Constants.InvalidMonthExceptionMessage);
}
var users = new List <User>()
{
new User
{
Id = 1,
Firstname = "Christoph",
Lastname = "Thiel",
ShiftCount = 2
},
new User
{
Id = 2,
Firstname = "David",
Lastname = "Eilmsteiner",
ShiftCount = 1,
Preferences = new Collection <Preference>
{
new Preference
{
Avoid = true,
Type = PreferenceType.Holiday
}
}
},
new User
{
Id = 3,
Firstname = "Andreas",
Lastname = "Weinzierl",
ShiftCount = 1
},
new User
{
Id = 4,
Firstname = "Daniel",
Lastname = "Heureka",
ShiftCount = 2
},
new User
{
Id = 5,
Firstname = "Gustav",
Lastname = "Gans",
ShiftCount = 2
},
new User
{
Id = 6,
Firstname = "Helmut",
Lastname = "Schätz",
ShiftCount = 1
},
new User
{
Id = 7,
Firstname = "Wolfgang",
Lastname = "Ramm",
ShiftCount = 2
},
new User
{
Id = 8,
Firstname = "Matthias",
Lastname = "Buhm",
ShiftCount = 2
},
new User
{
Id = 9,
Firstname = "Otto",
Lastname = "Walkes",
ShiftCount = 1
},
new User
{
Id = 10,
Firstname = "Wolfgang",
Lastname = "Beethoven",
ShiftCount = 1
},
new User
{
Id = 11,
Firstname = "Imran",
Lastname = "Topalovic",
ShiftCount = 2
},
new User
{
Id = 12,
Firstname = "Xaver",
Lastname = "DJ",
ShiftCount = 2
},
new User
{
Id = 13,
Firstname = "Denzel",
Lastname = "Chicago",
ShiftCount = 1
},
new User
{
Id = 14,
Firstname = "Paula",
Lastname = "Pulus",
ShiftCount = 2
},
new User
{
Id = 15,
Firstname = "Titus",
Lastname = "Banana",
ShiftCount = 2
},
new User
{
Id = 16,
Firstname = "Emil",
Lastname = "Donovan",
ShiftCount = 1
},
new User
{
Id = 17,
Firstname = "Edward",
Lastname = "Thatch",
ShiftCount = 1
},
new User
{
Id = 18,
Firstname = "Edward",
Lastname = "Kenway",
ShiftCount = 2
},
new User
{
Id = 19,
Firstname = "Benjamin",
Lastname = "Hornigold",
ShiftCount = 2
},
new User
{
Id = 20,
Firstname = "Klaus",
Lastname = "Dieter",
ShiftCount = 1
},
new User
{
Id = 21,
Firstname = "Alexander",
Lastname = "Gramm",
ShiftCount = 2
},
new User
{
Id = 22,
Firstname = "Rudolf",
Lastname = "Rosenberger",
ShiftCount = 2
},
new User
{
Id = 23,
Firstname = "Anton",
Lastname = "Toni",
ShiftCount = 1
},
new User
{
Id = 24,
Firstname = "Konrad",
Lastname = "Conelius",
ShiftCount = 1
},
new User
{
Id = 25,
Firstname = "Niklas",
Lastname = "Bronze",
ShiftCount = 2
},
new User
{
Id = 26,
Firstname = "Siegi",
Lastname = "Vogel",
ShiftCount = 2
},
new User
{
Id = 27,
Firstname = "Keine",
Lastname = "Ahnung",
ShiftCount = 1
},
new User
{
Id = 28,
Firstname = "Christoph",
Lastname = "LastButNOtLeast",
ShiftCount = 0
}
};
users = _unitOfWork.Users.All(nameof(User.Preferences))
.ToList();
//var year = month < DateTime.Today.Month ? DateTime.Today.Year + 1 : DateTime.Today.Year;
var year = DateTime.Today.Year;
var amountOfDays = DateTime.DaysInMonth(year, month);
var amountOfShifts = amountOfDays + _holidaysService.All()
.Where(h => DateTime.Parse(h.Date).Month == month)
.Count() * 2 + CountDays(DayOfWeek.Saturday, year, month, amountOfDays) * 2 +
CountDays(DayOfWeek.Sunday, year, month, amountOfDays) * 2;
/* if (users.Sum(u => u.ShiftCount) < amountOfShifts)
* throw new Exception(Constants.ImpossibleDistributionExceptionMessage); */
var shifts = new List <KeyValuePair <DateTime, int> >();
for (var i = 1; i <= amountOfDays; i++)
{
var date = new DateTime(year, month, i, 18, 0, 0);
var iterations = IsWeekend(date) || IsHoliday(date) ? 3 : 1;
for (var j = 0; j < iterations; j++)
{
date = new DateTime(year, month, i, 18, 0, 0).AddHours(-6 * j);
var help = users.Where(u => u.ShiftCount > shifts.Count(s => s.Value == u.Id));
var validUsers = users.Where(u => u.ShiftCount > shifts.Count(s => s.Value == u.Id))
.Where(u => !PreferencesInvalid(u.Preferences, date));
var random = new Random();
var position = random.Next(0, validUsers.Count() - 1);
shifts.Add(new KeyValuePair <DateTime, int>(date, validUsers.ElementAt(position).Id));
}
}
return(shifts);
}
public IActionResult All()
{
return(Ok(_service.All(null)));
}