//Retrieve All Friend
public static void GetFriends(GetFriendsCallback callback)
{
RestClient.Get($"{databaseURL}friend.json").Then(response =>
{
var responseJson = response.Text;
var data = fsJsonParser.Parse(responseJson);
object deserialized = null;
serializer.TryDeserialize(data, typeof(Dictionary <string, Friend>), ref deserialized);
var friends = deserialized as Dictionary <string, Friend>;
callback(friends);
});
}
private IList<long> Get(long uid, long flid, bool isAsync, GetFriendsCallback callback, Object state)
{
var parameterList = new Dictionary<string, string> {{"method", "facebook.friends.get"}};
Utilities.AddOptionalParameter(parameterList, "flid", flid);
Utilities.AddOptionalParameter(parameterList, "uid", uid);
if(isAsync)
{
SendRequestAsync<friends_get_response, IList<long>>(parameterList, !string.IsNullOrEmpty(Session.SessionKey), new FacebookCallCompleted<IList<long>>(callback), state, "uid");
return null;
}
var response = SendRequest<friends_get_response>(parameterList, !string.IsNullOrEmpty(Session.SessionKey));
return response == null ? null : response.uid;
}
/// <summary>
/// Returns the identifiers for the current user's Facebook friends.
/// </summary>
/// <example>
/// <code>
/// private static void RunDemoAsync()
/// {
/// Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.SessionSecret, Constants.SessionKey));
/// api.Friends.GetAsync(Constants.UserId, AsyncDemoCompleted, null);
/// }
///
/// private static void AsyncDemoCompleted(IList<long> result, Object state, FacebookException e)
/// {
/// var actual = result;
/// }
/// </code>
/// </example>
/// <param name="uid">The user ID for the user whose friends you want to return.</param>
/// <param name="callback">The AsyncCallback delegate</param>
/// <param name="state">An object containing state information for this asynchronous request</param>
/// <returns>The List of friend IDs returned are the friends that are visible to the Facebook Platform. If no friends are found, the method returns an empty friends_get_response element.</returns>
/// <remarks>The first array specifies one half of each pair, the second array the other half; therefore, they must be of equal size.</remarks>
public void GetAsync(long uid, GetFriendsCallback callback, Object state)
{
GetAsync(uid, 0, callback, state);
}
/// <summary>
/// Returns the identifiers for the current user's Facebook friends.
/// </summary>
/// <example>
/// <code>
/// private static void RunDemoAsync()
/// {
/// Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.SessionSecret, Constants.SessionKey));
/// api.Friends.GetAsync(Constants.UserId, Constants.FriendListId, AsyncDemoCompleted, null);
/// }
///
/// private static void AsyncDemoCompleted(IList<long> result, Object state, FacebookException e)
/// {
/// var actual = result;
/// }
/// </code>
/// </example>
/// <param name="uid">The user ID for the user whose friends you want to return.</param>
/// <param name="flid">Returns the friends in a friend list.</param>
/// <param name="callback">The AsyncCallback delegate</param>
/// <param name="state">An object containing state information for this asynchronous request</param>
/// <returns>The List of friend IDs returned are the friends that are visible to the Facebook Platform. If no friends are found, the method returns an empty friends_get_response element.</returns>
/// <remarks>The first array specifies one half of each pair, the second array the other half; therefore, they must be of equal size.</remarks>
public void GetAsync(long uid, long flid, GetFriendsCallback callback, Object state)
{
Get(uid, flid, true, callback, state);
}
/// <summary>
/// Returns the identifiers for the current user's Facebook friends.
/// </summary>
/// <example>
/// <code>
/// private static void RunDemoAsync()
/// {
/// Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.SessionSecret, Constants.SessionKey));
/// api.Friends.GetAsync(AsyncDemoCompleted, null);
/// }
///
/// private static void AsyncDemoCompleted(IList<long> result, Object state, FacebookException e)
/// {
/// var actual = result;
/// }
/// </code>
/// </example>
/// <param name="callback">The AsyncCallback delegate</param>
/// <param name="state">An object containing state information for this asynchronous request</param>
/// <returns>The List of friend IDs returned are the friends that are visible to the Facebook Platform. If no friends are found, the method returns an empty friends_get_response element.</returns>
/// <remarks>The first array specifies one half of each pair, the second array the other half; therefore, they must be of equal size.</remarks>
public void GetAsync(GetFriendsCallback callback, Object state)
{
GetAsync(0, 0, callback, state);
}
