public static CharacterUpdate Diff(CharacterSheet first, CharacterSheet second)
{
var firstAttribs = first.AttributeAllocations.Select(a => a.Attribute).Distinct();
var secondAttribs = second.AttributeAllocations.Select(a => a.Attribute).Distinct();
var removedAttribs = firstAttribs.Except(secondAttribs);
var addedAttribs = secondAttribs.Except(firstAttribs);
var removedAllocations = removedAttribs.Select(attrib => first.AttributeAllocations.First(a => a.Attribute == attrib));
var addedAllocations = addedAttribs.Select(attrib => second.AttributeAllocations.First(a => a.Attribute == attrib));
// updated if the allocation is unique to second but the attribute is present in the first
var updatedAllocations = second.AttributeAllocations.Except(first.AttributeAllocations)
.Where(a => firstAttribs.Contains(a.Attribute));
return new CharacterUpdate
{
AddedOrUpdatedAllocations = addedAllocations.Concat(updatedAllocations).ToList(),
RemovedAllocations = removedAllocations.ToList(),
};
}
public static CharacterUpdate Diff(CharacterSheet first, CharacterSheet second)
{
var firstAttribs = first.AttributeAllocations.Select(a => a.Attribute).Distinct();
var secondAttribs = second.AttributeAllocations.Select(a => a.Attribute).Distinct();
var removedAttribs = firstAttribs.Except(secondAttribs);
var addedAttribs = secondAttribs.Except(firstAttribs);
var removedAllocations = removedAttribs.Select(attrib => first.AttributeAllocations.First(a => a.Attribute == attrib));
var addedAllocations = addedAttribs.Select(attrib => second.AttributeAllocations.First(a => a.Attribute == attrib));
// updated if the allocation is unique to second but the attribute is present in the first
var updatedAllocations = second.AttributeAllocations.Except(first.AttributeAllocations)
.Where(a => firstAttribs.Contains(a.Attribute));
return(new CharacterUpdate
{
AddedOrUpdatedAllocations = addedAllocations.Concat(updatedAllocations).ToList(),
RemovedAllocations = removedAllocations.ToList(),
});
}