/// <summary>Checks if user has a specified privilege.</summary>
/// <param name="context">Context of the command execution.</param>
/// <param name="userID">ID of the user.</param>
/// <param name="privileges">Required privileges flags.</param>
/// <param name="cancellationToken">Cancellation token for cancelling the task.</param>
/// <returns>True if user has at least one of specified privileges; otherwise false.</returns>
public static async Task <bool> CheckPrivilegeAsync(ICommandContext context, uint userID, WolfPrivilege privileges, CancellationToken cancellationToken = default)
{
UserProfileResponse response = await context.Client.SendAsync <UserProfileResponse>(
new UserProfileMessage(new uint[] { userID }, true, true), cancellationToken).ConfigureAwait(false);
WolfUser user = response?.UserProfiles?.FirstOrDefault(u => u.ID == userID);
if (user == null)
{
return(false);
}
return((privileges & user.Privileges) != 0);
}
/// <summary>Creates a new instance of command user privilege requirement.</summary>
/// <param name="privileges">Flags of privileges that fulfill this requirement.</param>
/// <remarks>Only one of the privileges has to match. For example, Volunteer | Staff matches if user is either Volunteer or Staff.</remarks>
/// <seealso cref="Privileges"/>
public RequireUserPrivilegeAttribute(WolfPrivilege privileges) : base()
{
this.Privileges = privileges;
base.ErrorMessage = "(n) You don't have enough user privileges to execute this command.";
}