/// <summary>
/// Reorder launch items by starting with account with most launches
/// and then rotating through accounts from most launches to least launches
/// </summary>
private LaunchList GetOptimizedLaunchList(LaunchList originalList)
{
// Bin all items by account
Dictionary <string, List <LaunchItem> > launchItemsByAccountName = new Dictionary <string, List <LaunchItem> >();
foreach (LaunchItem item in originalList.GetLaunchList())
{
string key = item.AccountName;
if (!launchItemsByAccountName.ContainsKey(key))
{
launchItemsByAccountName[key] = new List <LaunchItem>();
}
launchItemsByAccountName[key].Add(item);
}
// Sort bins first by priority and then by #items
// (so if they all have same priority, it starts with most populous bins, as they involve most 5 minute delays)
var sortedLists = launchItemsByAccountName.Values.OrderBy(x => x.First().Priority).ThenByDescending(x => x.Count).ToList();
// Build list starting with most priority bin, and taking one per bin until all taken
int i = 0;
var sortedLaunchList = new LaunchList();
while (sortedLists.Count > 0)
{
if (sortedLists[i].Count > 0)
{
sortedLaunchList.Add(PopFirst(sortedLists[i]));
}
if (sortedLists[i].Count == 0)
{
sortedLists.RemoveAt(i);
}
else
{
++i;
}
if (i >= sortedLists.Count)
{
i = 0;
}
}
return(sortedLaunchList);
}
/// <summary>
/// Construct a launch list from the model account info, and sort it for optimal performance
/// </summary>
public LaunchList SortLaunchList(LaunchList launchList)
{
var optimizedList = GetOptimizedLaunchList(launchList);
return(optimizedList);
}