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Joe4evr/CombinedPreconditionExample.cs

Created May 25, 2017 09:30
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Example of how to make a logical OR of multiple preconditions
Raw
CombinedPreconditionExample.cs
[AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
public class RequireAdminOrOwnerAttribute : PreconditionAttribute
{
private readonly RequireOwnerAttribute _owner = new RequireOwnerAttribute();
private readonly RequireUserPermissionAttribute _admins = new RequireUserPermissionAttribute(GuildPermission.Administrator);
public override async Task<PreconditionResult> CheckPermissions(ICommandContext context, CommandInfo command, IServiceProvider services)
{
var isAdmin = await _admins.CheckPermissions(context, command, services);
var isOwner = await _owner.CheckPermissions(context, command, services);
return (isAdmin.IsSuccess || isOwner.IsSuccess)
? PreconditionResult.FromSuccess()
: PreconditionResult.FromError("Need to be admin or bot owner");
}
}
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