server/src/Infrastructure.EntityFramework/Repositories/Queries/OrganizationUserReadCountByOrganizationIdEmailQuery.cs

using Bit.Infrastructure.EntityFramework.Models;

namespace Bit.Infrastructure.EntityFramework.Repositories.Queries
{
    public class OrganizationUserReadCountByOrganizationIdEmailQuery : IQuery<OrganizationUser>
    {
        private readonly Guid _organizationId;
        private readonly string _email;
        private readonly bool _onlyUsers;

        public OrganizationUserReadCountByOrganizationIdEmailQuery(Guid organizationId, string email, bool onlyUsers)
        {
            _organizationId = organizationId;
            _email = email;
            _onlyUsers = onlyUsers;
        }

        public IQueryable<OrganizationUser> Run(DatabaseContext dbContext)
        {
            var query = from ou in dbContext.OrganizationUsers
                        join u in dbContext.Users
                            on ou.UserId equals u.Id into u_g
                        from u in u_g.DefaultIfEmpty()
                        where ou.OrganizationId == _organizationId &&
                            ((!_onlyUsers && (ou.Email == _email || u.Email == _email))
                             || (_onlyUsers && u.Email == _email))
                        select ou;
            return query;
        }
    }
}