/// <summary>
/// Get the current game session from the browser session storage.
/// </summary>
/// <param name="service">GameSessionService.</param>
/// <returns>IUserSession.</returns>
internal async Task <UserSession> GetUserSessionAsync(GameSessionService service)
{
bool saveBrowserStorage = false;
BrowserSessionStorage data = await service.GetBrowserSessionStorageAsync();
if (data == null)
{
data = new BrowserSessionStorage
{
SessionId = Guid.NewGuid().ToString(),
};
saveBrowserStorage = true;
}
else if (string.IsNullOrWhiteSpace(data.SessionId))
{
data.SessionId = Guid.NewGuid().ToString();
saveBrowserStorage = true;
}
else if (this.sessions.TryGetValue(data.SessionId, out UserSession foundSession))
{
await SetUserAsync(foundSession, service, data, saveBrowserStorage);
return(foundSession);
}
var session = new UserSession(data.SessionId);
await SetUserAsync(session, service, data, saveBrowserStorage);
//// TODO: How/when to remove this user from list? Or is there another way to do this.
return(this.sessions.TryAdd(session.SessionId, session) ? session : this.sessions[session.SessionId]);
}
/// <inheritdoc/>
protected override async Task SetBrowserSessionStorageAsync(BrowserSessionStorage sessionStorage)
{
await this.sessionStorageService.SetItemAsync(StorageKey, sessionStorage);
}
private static async Task SetUserAsync(UserSession session, GameSessionService service, BrowserSessionStorage data, bool saveBrowserStorage)
{
if (session.User == null)
{
session.User = await service.GameEngineService.Users.GetUserAsync(service, data.UserId);
}
if (string.IsNullOrWhiteSpace(data.UserId))
{
data.UserId = session.User.Id;
saveBrowserStorage = true;
}
if (saveBrowserStorage)
{
await service.SetBrowserSessionStorageAsync(data);
}
}
