UserGroups.cs

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using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
 
using HotChocolate;
using HotChocolate.Data;
using HotChocolate.Types;
using HotChocolate.Types.Relay;
 
using Tgstation.Server.Host.Authority;
using Tgstation.Server.Host.Models.Transformers;
using Tgstation.Server.Host.Security;
 
namespace Tgstation.Server.Host.GraphQL.Types
{
    public sealed class UserGroups
    {
        public ValueTask<UserGroup?> Current(
            [Service] IGraphQLAuthorityInvoker<IUserGroupAuthority> userGroupAuthority)
        {
            ArgumentNullException.ThrowIfNull(userGroupAuthority);
            return userGroupAuthority.InvokeTransformableAllowMissing<Models.UserGroup, UserGroup, UserGroupGraphQLTransformer>(authority => authority.Read());
        }
 
        [TgsGraphQLAuthorize<IUserAuthority>(nameof(IUserGroupAuthority.GetId))]
        public ValueTask<UserGroup?> ById(
            [ID(nameof(UserGroup))] long id,
            [Service] IGraphQLAuthorityInvoker<IUserGroupAuthority> userGroupAuthority,
            CancellationToken cancellationToken)
            => UserGroup.GetUserGroup(id, userGroupAuthority, cancellationToken);
 
        [UsePaging]
        [UseFiltering]
        [UseSorting]
        [TgsGraphQLAuthorize<IUserGroupAuthority>(nameof(IUserGroupAuthority.Queryable))]
        public IQueryable<UserGroup> QueryableGroups(
            [Service] IGraphQLAuthorityInvoker<IUserGroupAuthority> userGroupAuthority)
        {
            ArgumentNullException.ThrowIfNull(userGroupAuthority);
            var dtoQueryable = userGroupAuthority.InvokeTransformableQueryable<Models.UserGroup, UserGroup, UserGroupGraphQLTransformer>(authority => authority.Queryable(false));
            return dtoQueryable;
        }
 
        [UsePaging]
        [UseFiltering]
        [UseSorting]
        [TgsGraphQLAuthorize<IUserGroupAuthority>(nameof(IUserAuthority.Queryable))]
        public IQueryable<User> QueryableUsersByGroupId(
            [ID(nameof(UserGroup))]long groupId,
            [Service] IGraphQLAuthorityInvoker<IUserAuthority> userAuthority)
        {
            ArgumentNullException.ThrowIfNull(userAuthority);
            var dtoQueryable = userAuthority.InvokeTransformableQueryable<Models.User, User, UserGraphQLTransformer>(
                authority => authority
                    .Queryable(false)
                    .Where(user => user.GroupId == groupId));
            return dtoQueryable;
        }
    }
}