Diffs

Diff Generator

		public void Update(string updatedName, IEnumerable<Guid> updatedCountries)
		{
			var countriesQueue = new Queue<Guid>(this.countries);
			var updatedCountryList = new List<Guid>(updatedCountries);

			var countriesToRemove = new List<Guid>();
			var countriesStillInGroup = new List<Guid>();
			List<Guid> countriestoAdd;

			while (countriesQueue.Count > 0)
			{
				var country = countriesQueue.Dequeue();

				//if the country is still in the updated list
				if (updatedCountryList.Contains(country))
				{
					//Remove from update country list
					updatedCountryList.Remove(country);

					//Add it to still in list
					countriesStillInGroup.Add(country);
				}
				else
				{
					//doesn't contain it, add to remove list
					countriesToRemove.Add(country);
				}
			}

			//The stuff that's left in the update member list are new ones. 
			countriestoAdd = updatedCountryList;

			var regionNameChanged = updatedName != this.name;

			this.Apply(new RegionUpdated(updatedName, regionNameChanged, countriesStillInGroup, countriestoAdd, countriesToRemove));
		}