private bool matchExistingGroup(QueueList masterQueueList)
{
if (potentialGroups.Count <= 0)
{
return(false);
}
bool matched = false;
List <User> matchedUsers = new List <User>();
ArrayList usersInQueue = masterQueueList.UserList;
for (int i = 0; i < potentialGroups.Count; i++)
{
for (int j = 0; j < usersInQueue.Count; j++)
{
Group currentGroup = potentialGroups[i];
//check if current group is already at max capacity if so skip it
if (currentGroup.memberLimit())
{
continue;
}
User grouplead = currentGroup.GetGroupLead();
User currentUser = (User)usersInQueue[j];
double firstUserLimitRange = grouplead.MaxRange;
double secondUserLimitRange = currentUser.MaxRange;
double distanceAway = this.GetDistanceFromLatLonInKm(grouplead, currentUser);
if (distanceAway <= firstUserLimitRange && distanceAway <= secondUserLimitRange)
{
ArrayList matches = GetMatchesAgainstGroup(currentGroup, currentUser);
int matchesRequired = currentGroup.groupFormPatience();
Console.WriteLine("matches Required " + matchesRequired);
//found someone to join group
if (matches.Count >= matchesRequired)
{
Console.WriteLine("matched user to existing group" + currentUser.ToString());
currentGroup.AddUser(currentUser);
matchedUsers.Add(currentUser);
matched = true;
}
}
}
//remove users that have been matched
for (int j = 0; j < matchedUsers.Count; j++)
{
User currentUser = matchedUsers[j];
int currentUserIndex = masterQueueList.UserList.IndexOf(currentUser);
if (currentUserIndex >= 0)
{
masterQueueList.UserList.RemoveAt(currentUserIndex);
}
}
}
return(matched);
}
public void removeGroupedUsers(Group newGroup, QueueList masterQueueList)
{
for (int i = 0; i < newGroup.Users.Count; i++)
{
int currentIndex = masterQueueList.UserList.IndexOf(newGroup.Users[i]);
//don't remove anything if it's not there
if (currentIndex != -1)
{
masterQueueList.UserList.RemoveAt(currentIndex);
}
}
}
private bool matchNewGroup(QueueList masterQueueList)
{
if (masterQueueList.UserList.Count <= 0)
{
return(false);
}
Console.WriteLine("making new group");
int maxMatchDeincrement = 0;
Group tempGroup = new Group();
User grouplead = (User)masterQueueList.UserList[STARTGROUPLEAD];
tempGroup.AddUser(grouplead);
masterQueueList.UserList.RemoveAt(STARTGROUPLEAD);
Boolean createdGroup = false;
for (int i = 0; i < masterQueueList.UserList.Count; i++)
{
User currentUser = (User)masterQueueList.UserList[i];
Console.WriteLine("current user " + currentUser);
double firstUserLimitRange = grouplead.MaxRange;
double secondUserLimitRange = currentUser.MaxRange;
double distanceAway = this.GetDistanceFromLatLonInKm(grouplead, currentUser);
//if they're within their required distance ranges then check their preferences
Console.WriteLine(distanceAway);
if (distanceAway <= firstUserLimitRange && distanceAway <= secondUserLimitRange)
{
Console.WriteLine("Distance match");
ArrayList currentMatches = GetMatches(grouplead, currentUser);
if (currentMatches.Count >= (MAX_PREF_MATCH - maxMatchDeincrement))
{
Console.WriteLine("Preference match & distance match");
tempGroup.AddUser(currentUser);
tempGroup.MatchedPreferences = currentMatches;
createdGroup = true;
}
}
}
if (createdGroup)
{
Console.WriteLine("here22");
potentialGroups.Add(tempGroup);
removeGroupedUsers(tempGroup, masterQueueList);
}
else
{
Console.WriteLine("here");
masterQueueList.UserList.Add(grouplead);
}
return(createdGroup);
}
public void MatchQueue(QueueList masterQueueList)
{
//check precondition
if (masterQueueList.UserList == null && masterQueueList.UserList.Count < 0)
{
Console.WriteLine("no users in queue list");
return;
}
bool matched = matchExistingGroup(masterQueueList);
//try to match a new group if there's no group that works
if (matched == false)
{
matchNewGroup(masterQueueList);
}
}