private void MergeResource(List <IProp> result, Resource resource)
{
var removedResource = PropRemoved.OfType <Resource>()
.SingleOrDefault(x => x.Scheme == resource.Scheme);
var addedResource = PropAdded.OfType <Resource>()
.SingleOrDefault(x => x.Scheme == resource.Scheme);
var addedCount = addedResource?.Count;
var removedCount = removedResource?.Count;
var remainsCount = (resource.Count + addedCount.GetValueOrDefault()) - removedCount.GetValueOrDefault();
if (remainsCount > 0)
{
var remainsResource = new Resource(resource.Scheme, remainsCount);
result.Add(remainsResource);
}
}
/// <summary>
/// Предметы в хранилище.
/// </summary>
public IProp[] CalcActualItems()
{
var result = new List <IProp>();
var propStoreItems = PropStore.CalcActualItems();
foreach (var prop in propStoreItems)
{
switch (prop)
{
case Resource resource:
var removedResource = PropRemoved.OfType <Resource>()
.SingleOrDefault(x => x.Scheme == resource.Scheme);
var addedResource = PropAdded.OfType <Resource>()
.SingleOrDefault(x => x.Scheme == resource.Scheme);
var addedCount = addedResource?.Count;
var removedCount = removedResource?.Count;
var remainsCount = resource.Count + addedCount.GetValueOrDefault() - removedCount.GetValueOrDefault();
if (remainsCount > 0)
{
var remainsResource = new Resource(resource.Scheme, remainsCount);
result.Add(remainsResource);
}
break;
case Equipment _:
case Concept _:
var isRemoved = PropRemoved.Contains(prop);
if (!isRemoved)
{
result.Add(prop);
}
break;
}
}
foreach (var prop in PropAdded)
{
switch (prop)
{
case Resource _:
var existsResource = result.SingleOrDefault(x => x.Scheme == prop.Scheme);
if (existsResource == null)
{
result.Add(prop);
}
break;
case Equipment _:
case Concept _:
result.Add(prop);
break;
default:
throw new NotSupportedException();
}
}
return(result.ToArray());
}