/// <summary>
/// List all of the people in the specified collection
/// documentation: https://developers.google.com/+/api/latest/people/list
/// </summary>
/// <param name="service"></param>
/// <param name="_userId">Get the collection of people for the person identified. Use "me" to indicate the authenticated user.</param>
/// <returns></returns>
public static IList<Person> GetAllPeople(PlusService service, string _userId)
{
PeopleResource.ListRequest list = service.People.List(_userId, PeopleResource.ListRequest.CollectionEnum.Visible);
list.MaxResults = 50;
PeopleFeed peopleFeed = list.Execute();
IList<Person> people = new List<Person>();
//// Loop through until we arrive at an empty page
while (peopleFeed.Items != null)
{
// Adding each item to the list.
foreach (Person item in peopleFeed.Items)
{
people.Add(item);
}
// We will know we are on the last page when the next page token is
// null.
// If this is the case, break.
if (peopleFeed.NextPageToken == null)
{
break;
}
// Prepare the next page of results
list.PageToken = peopleFeed.NextPageToken;
// Execute and process the next page request
peopleFeed = list.Execute();
}
return people;
}
/// <summary>
/// Creates friend edges within the model for each match between this user's visible people
/// and others who already exist in the database.
/// </summary>
/// <param name="user">The user object to create friend edges for.</param>
/// <param name="ps">The Google+ API client service.</param>
/// <returns>None.</returns>
static public void GenerateFriends(User user, PlusService ps)
{
// Get the PeopleFeed for the currently authenticated user using the Google+ API.
PeopleResource.ListRequest lr = ps.People.List("me",
PeopleResource.CollectionEnum.Visible);
PeopleFeed pf = lr.Fetch();
PhotohuntContext db = new PhotohuntContext();
do
{
foreach (Person p in pf.Items)
{
// Check whether the friend has an account on PhotoHunt
bool userExists = db.Users.Any(u => u.googleUserId.Equals(p.Id));
if (userExists)
{
// Check whether friend edge already exists.
User friend = db.Users.First(f => f.googleUserId.Equals(p.Id));
bool edgeExists = db.Edges.Any(e => e.photohuntUserId == user.id &&
e.friendUserId == friend.id);
// Only add new edges when the user exists on PhotoHunt and the edge doesn't
// already exist
if (!edgeExists && userExists && friend.id != user.id)
{
// Save the friend edges.
DirectedUserToEdge fromFriendEdge = new DirectedUserToEdge();
fromFriendEdge.friendUserId = friend.id;
fromFriendEdge.photohuntUserId = user.id;
db.Edges.Add(fromFriendEdge);
DirectedUserToEdge toFriendEdge = new DirectedUserToEdge();
toFriendEdge.friendUserId = user.id;
toFriendEdge.photohuntUserId = friend.id;
db.Edges.Add(toFriendEdge);
db.SaveChanges();
}
}
}
lr.PageToken = pf.NextPageToken;
pf = lr.Fetch();
} while (pf.NextPageToken != null);
}
