public bool Equals(IScheduleElem obj)
{
if (obj.GetType() != this.GetType())
{
return(false);
}
return(Equals((Lesson)obj));
}
public bool Equals(IScheduleElem other)
{
if (other.GetType() != this.GetType())
{
return(false);
}
return(Equals((Week)other));
}
public static CheckResult CheckElemIsCorrect(this IScheduleElem scheduleElem)
{
var res = new CheckResult();
if (scheduleElem == null)
{
return(res.AddError("Null schedule elem"));
}
try
{
switch (scheduleElem.Level)
{
case ScheduleElemLevel.Week:
if (!(scheduleElem is Week))
{
res.AddError($"level week is not week level {scheduleElem.Level}, type: {scheduleElem.GetType()}");
}
if (scheduleElem.Elems == null)
{
res.AddError("null children: " + JsonConvert.SerializeObject(scheduleElem));
}
else
{
res = scheduleElem.Elems?.Aggregate(res,
(result, elem) => result + CheckElemIsCorrect(elem)) ?? res;
var nonUniqueDays = scheduleElem.Elems?.OfType <Day>()?.GroupBy(d => d.DayOfWeek)
?.FirstOrDefault(group => @group.Count() > 1);
if (nonUniqueDays != null)
{
res.AddError($"not unique days in week: {nonUniqueDays.Key}");
}
}
break;
case ScheduleElemLevel.Day:
if (!(scheduleElem is Day))
{
res.AddError($"level day is not day: level {scheduleElem.Level}, type: {scheduleElem.GetType()}");
}
else
{
var day = (Day)scheduleElem;
if (day.DayOfWeek > DayOfWeek.Saturday || day.DayOfWeek < DayOfWeek.Sunday)
{
res.AddError($"unknown dayofweek: {day.DayOfWeek}");
}
}
if (scheduleElem.Elems == null)
{
res.AddError("null children: " + JsonConvert.SerializeObject(scheduleElem));
}
else
{
res = scheduleElem.Elems?.Aggregate(res,
(result, elem) => result + CheckElemIsCorrect(elem)) ?? res;
scheduleElem.Elems?.OfType <Lesson>()?.OrderBy(l => l.BeginTime).Aggregate((prev, current) =>
{
if (current.BeginTime <= prev.BeginTime &&
(current.IsOnEvenWeek == null || prev.IsOnEvenWeek == null ||
prev.IsOnEvenWeek == current.IsOnEvenWeek))
{
res.AddError($"incompatible lessons in day {((Day)scheduleElem).DayOfWeek}:" +
JsonConvert.SerializeObject(prev) +
JsonConvert.SerializeObject(current));
}
return(current);
});
}
break;
case ScheduleElemLevel.Lesson:
if (!(scheduleElem is Lesson))
{
res.AddError("level lesson is not lesson" + JsonConvert.SerializeObject(scheduleElem));
}
if (scheduleElem.Elems != null)
{
res.AddError("not null children for lesson: " +
JsonConvert.SerializeObject(scheduleElem));
}
break;
default:
res.AddError($"Impossible to check for such level {scheduleElem.Level}");
break;
}
return(res);
}
catch (Exception e)
{
return(res.AddExeption(e));
}
}