public static IEnumerable <MaterialLog> EachDay(IEnumerable <MaterialLog> source)
{
MaterialLog last = null;
foreach (var log in source)
{
if (last != null)
{
if (last.DateTime.ToLocalTime().Date != log.DateTime.ToLocalTime().Date)
{
yield return(last);
}
}
last = log;
}
if (last != null)
{
yield return(last);
}
}
public static IEnumerable <MaterialLog> MakeDiff(IEnumerable <MaterialLog> source)
{
MaterialLog last = null;
foreach (var log in source)
{
if (last != null)
{
log.Fuel -= last.Fuel;
log.Bull -= last.Bull;
log.Steel -= last.Steel;
log.Bauxite -= last.Bauxite;
log.InstantBuild -= last.InstantBuild;
log.InstantRepair -= last.InstantRepair;
log.Development -= last.Development;
log.Improvement -= last.Improvement;
}
last = log;
yield return(log);
}
}
