/// <summary>
/// Create pairs from the set of users
/// </summary>
/// <param name="channelAccounts">users to make pairs</param>
/// <returns>a list of pairs</returns>
public MatchResult CreateMatches(List <ChannelAccount> channelAccounts)
{
var people = channelAccounts.Select(account => new Person <ChannelAccount>(account)).ToList();
var numRetries = this.numRetryOnPreviouslyMatchedPair;
MatchResult result;
do
{
RandomAlgorithm.Shuffle <Person <ChannelAccount> >(this.random, people);
result = this.CreateMatches(people);
}while (result.HasAnyPreviouslyMatchedPair && (numRetries-- > 0));
return(result);
}
/// <summary>
/// Create pairs from the set of users.
/// </summary>
/// <param name="users">users to make pairs</param>
/// <returns>a list of pairs</returns>
public MatchResult CreateMatches(List <ChannelAccount> users)
{
RandomAlgorithm.Shuffle(this.random, users);
var pairs = new List <MatchResult.MatchPair>();
int i = 0;
for (; i < users.Count - 1; i += 2)
{
// TODO: Get real isPreviouslyMatched by going to the DB.
// Not bothering with that right now because this is only used for small sets.
pairs.Add(new MatchResult.MatchPair(users[i], users[i + 1], isPreviouslyMatched: false));
}
var oddPerson = i == users.Count ? null : users[i];
return(new MatchResult(pairs, oddPerson));
}