/// <summary>
/// Returns true if
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
private async Task <bool> CanBeFriendAsync(IApiUser user)
{
Client client = NakamaSessionManager.Instance.Client;
ISession session = NakamaSessionManager.Instance.Session;
if (user.Id == session.UserId)
{
return(false);
}
IApiFriends friends = await FriendsManager.LoadFriendsAsync(client, session);
if (friends == null)
{
Debug.Log("Couldn't retrieve friends list");
return(false);
}
foreach (IApiFriend friend in friends.Friends)
{
if (friend.User.Id == user.Id)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Loading friends from database and refreshing list
/// </summary>
private async void ActualizeFriendsList()
{
//loading data from server
IApiFriends friends = await FriendsManager.LoadFriendsAsync(NakamaSessionManager.Instance.Client, NakamaSessionManager.Instance.Session);
if (friends != null)
{
//refreshing viev
RefreshFriendsListUI(friends);
}
}
/// <summary>
/// This method is loading friends list from database. Return value indicates whether operation succeed or failed.
/// </summary>
public static async Task <IApiFriends> LoadFriendsAsync(IClient client, ISession session)
{
try
{
IApiFriends friends = await client.ListFriendsAsync(session);
return(friends);
}
catch (Exception e) //catching exception, if program enters this code loading operation was not successfully completed
{
Debug.Log("Loading friends failed (" + e.Message + ")");
return(null);
}
}
/// <summary>
/// Populating friend list with elements created basing on loaded friends list from database
/// </summary>
private void RefreshFriendsListUI(IApiFriends friends)
{
ClearLists();
foreach (IApiFriend friend in friends.Friends)
{
RectTransform content;
//selecting to which tab should friend panel be instantiated
switch (friend.State)
{
// Users are friends with each other.
case 0: content = _friendsContent; break;
// This user has sent an invitation and pending acceptance from other user.
case 1: content = _sentInvitesContent; break;
// This user has received an invitation but has not accepted yet.
case 2: content = _receivedInvitesContent; break;
// This user has banned other user.
case 3: content = _bannedUsersContent; break;
// If state is none of upper log error
default: Debug.LogError("Wrong friend state value: \"" + friend.State + "\" in " + friend.User.Username + "!"); return;
}
//instantiating friend panel object
GameObject panelGO = Instantiate(_friendPanelPrefab, content) as GameObject;
FriendPanel panel = panelGO.GetComponent <FriendPanel>();
if (panel)
{
//initializing object with FriendList object and friend data
panel.Init(friend);
panel.OnSelected += SelectedPanelChange;
//subscribing to event fired after every successful request to friends list in database
panel.OnDataChanged += ActualizeFriendsList;
panel.OnChatStartButtonClicked += StartChatWithUser;
}
else
{
Debug.LogError("Invalid friend panel prefab!");
Destroy(panelGO);
}
}
}
/// <summary>
/// Initializes friends view
/// </summary>
/// <param name="client"></param>
/// <param name="session"></param>
private async void Init()
{
Client client = NakamaSessionManager.Instance.Client;
ISession session = NakamaSessionManager.Instance.Session;
//loading friends data
IApiFriends friends = await FriendsManager.LoadFriendsAsync(client, session);
if (friends != null)
{
//refreshing ui view with downloaded data
RefreshFriendsListUI(friends);
NakamaSessionManager.Instance.OnConnectionSuccess -= Init;
}
//connecting events that need server connection
_addFriendButton.onClick.AddListener(AddFriend);
_usernameSearcher.OnSubmit += AddFriend;
_refreshButton.onClick.AddListener(ActualizeFriendsList);
}
/// <summary>
/// Gets ids of all friends of local user and displays their records.
/// This also includes local user.
/// </summary>
public async void ShowFriendsLeaderboards(string cursor)
{
IApiFriends friends = await FriendsManager.LoadFriendsAsync(Client, Session);
if (friends == null)
{
return;
}
IApiLeaderboardRecordList records = await LeaderboardManager.GetFriendsLeaderboarsAsync(Client, Session, friends.Friends, _recordsPerPage, cursor);
if (records != null)
{
SetLeaderboardsCursor(records, ShowFriendsLeaderboards);
FillLeaderboard(records.OwnerRecords);
_showFriends.interactable = false;
_showClan.interactable = true;
_showGlobal.interactable = true;
}
}
