/// <summary>
/// Get rate limits for the current user.
/// </summary>
/// <param name="rateLimitDb"></param>
/// <param name="endpoint"></param>
/// <param name="userManager"></param>
/// <param name="user"></param>
/// <returns></returns>
internal static UserRateLimitInfo GetCurrentUserInfo(RateLimitDbContext rateLimitDb, TwitterAPIEndpoint endpoint, UserManager <ApplicationUser> userManager, ClaimsPrincipal user)
{
if (!user.Identity.IsAuthenticated || user.GetTwitterAccessToken() == null)
{
return(null);
}
var info = rateLimitDb.Find(typeof(UserRateLimitInfo), new object[] { userManager.GetUserId(user), endpoint }) as UserRateLimitInfo;
if (info == null)
{
info = new UserRateLimitInfo()
{
UserID = userManager.GetUserId(user), Type = endpoint
};
rateLimitDb.Add(info);
rateLimitDb.SaveChanges();
}
else
{
info.ResetIfNeeded();
rateLimitDb.Update(info);
rateLimitDb.SaveChanges();
}
return(info);
}
/// <summary>
///
/// </summary>
/// <param name="configuration"></param>
/// <param name="controller"></param>
/// <param name="rateLimitDb"></param>
/// <param name="userManager"></param>
/// <param name="maxConnectionsPerNode">The cap on the number of connected entities to any given entity. Lower to reduce lag during visualization.</param>
protected DegreeLinkFinder(IConfiguration configuration, SearchController controller,
RateLimitDbContext rateLimitDb, UserManager <ApplicationUser> userManager, int maxConnectionsPerNode)
{
Configuration = configuration;
Controller = controller;
RateLimitDb = rateLimitDb;
UserManager = userManager;
maximumConnectionsPerNode = maxConnectionsPerNode;
}
public HashtagLinkFinder(IConfiguration configuration, SearchController controller, RateLimitDbContext rateLimitDb,
UserManager <ApplicationUser> userManager, int maxConnectionsPerNode)
: base(configuration, controller, rateLimitDb, userManager, maxConnectionsPerNode)
{
}
public RateLimitController(IConfiguration configuration, UserManager <ApplicationUser> userManager, RateLimitDbContext rateLimitDb)
{
this.configuration = configuration;
this.userManager = userManager;
this.rateLimitDb = rateLimitDb;
}
internal IDictionary <QueryType, IDictionary <AuthenticationType, int> > CurrentRateLimits(RateLimitDbContext rateLimitDb, UserManager <ApplicationUser> userManager, ClaimsPrincipal user) => Enum.GetValues(typeof(QueryType)).Cast <QueryType>() .ToDictionary(type => type, type => MinimumRateLimits(type, rateLimitDb, userManager, user));
/// <summary>
/// The maximum number of calls available for a given SixDegrees endpoint assuming all related Twitter API endpoints will be hit.
/// </summary>
/// <param name="type"></param>
/// <param name="dbContext"></param>
/// <param name="userManager"></param>
/// <param name="user">The user accessing the SixDegrees API.</param>
/// <returns></returns>
internal IDictionary <AuthenticationType, int> MinimumRateLimits(QueryType type, RateLimitDbContext dbContext, UserManager <ApplicationUser> userManager, ClaimsPrincipal user) => new Dictionary <AuthenticationType, int>()
{
{ AuthenticationType.Application, Endpoints(type).Min(endpoint => { var info = cache[endpoint.Value]; info.ResetIfNeeded(); return(info.Limit as int?); }) ?? -1 },
{ AuthenticationType.User, Endpoints(type).Min(endpoint => RateLimitController.GetCurrentUserInfo(dbContext, endpoint.Value, userManager, user)?.Limit as int?) ?? -1 }
};