public virtual List<MemberwiseContribution> Generate(Group group)
{
List<MemberwiseContribution> contributions = new List<MemberwiseContribution>();
int memberCount = group.MemberCount;
if (memberCount == 0)
{
throw new InvalidOperationException("No member added so far.");
}
float totalExpense = GetTotalExpense(group);
float perHeadExpense = totalExpense / memberCount;
foreach (Member member in group.GetAllMembers())
{
float memberContribution = GetTotalAmountForMember(member);
MemberwiseContribution contribution = new MemberwiseContribution();
contribution.Member = member;
contribution.Amount = memberContribution - perHeadExpense;
contributions.Add(contribution);
}
return contributions;
}
public void AddGroup(Group group)
{
groupCount++;
group.Id = groupCount;
groups.Add(groupCount, group);
}
public void Execute()
{
IRepository repo = new InMemoryRepository();
//Validate group prior to adding
Validate(repo);
Group group = repo.GetGroupByName(friendlyName);
group = new Group(friendlyName);
repo.AddGroup(group);
}
public void when_new_member_added()
{
string frinedlyName = "newGroup";
string firstName = "newMember";
string lastName = "newMemberLastName";
string emailAddress = "*****@*****.**";
Group newGroup = new Group(frinedlyName);
Member newMember = new Member(firstName, lastName, emailAddress);
newGroup.AddMember(newMember);
}
protected override float GetTotalExpense(Group group)
{
return group.GetAllExpenses().Where(e => e.CreateOn.Year == year).Sum(e => e.Amount);
}
protected abstract float GetTotalExpense(Group group);
protected override float GetTotalExpense(Group group)
{
return group.GetAllExpenses().Sum(e => e.Amount);
}
public void when_group_name_whitespace_throw_exception()
{
string frinedlyName = " ";
Group newGroup = new Group(frinedlyName);
}