/// <summary>
/// Get the shortest path of users between two users
/// </summary>
/// <param name="user1">First user</param>
/// <param name="user2">Second user</param>
/// <returns>Enumeration of users from shortest path between two users</returns>
public IEnumerable <User> GetShortestPath(Guid user1, Guid user2)
{
work = new UnitOfWork();
var shortestPathId = AnalyzerBridge.GetShortestPath(
work.Connections.GetAll().ToArray(),
user1,
user2);
return(shortestPathId.Reverse()
.Select(id => work.Users
.GetAll().FirstOrDefault(x => x.Id == id))
.ToList());
}
/// <summary>
/// Get mutual friends of two users
/// </summary>
/// <param name="user1">user1's id</param>
/// <param name="user2">user2's id</param>
/// <returns>Enumeration of mutual friends</returns>
public IEnumerable <User> GetMutualFriends(Guid user1, Guid user2)
{
if (user1 == user2)
{
return(GetFriends(user1));
}
using (var work = new UnitOfWork())
{
var mutualFriendsArr = AnalyzerBridge.GetMutualFriends(
work.Connections.GetAll().ToArray(),
user1,
user2);
return(mutualFriendsArr.Select(
friend => work.Users.GetAll()
.FirstOrDefault(x => x.Id == friend))
.ToList());
}
}
