bo/AppServer/Data/Repository/WorkspaceRepo.cs

using System;
using System.Linq;
using BO.AppServer.Data.Entity;
using Microsoft.EntityFrameworkCore;
using Quadarax.Foundation.Core.Data.Domain;
using Quadarax.Foundation.Core.Data.Extensions;
using Quadarax.Foundation.Core.Data.Interface;
using Quadarax.Foundation.Core.Data.Interface.Domain;
using Quadarax.Foundation.Core.Data.Repository;

public class WorkspaceRepo : EntityRepository<long,  Workspace>
    {
        public WorkspaceRepo(IUnitOfWork<DataDomain> unitOfWork) : base(unitOfWork)
        {
        }

        public Workspace NewWorkspace(string name, BillingPlan billingPlan, bool isDefault, User owner, User creator)
        {
            var workspace = New();
            workspace.Created = DateTime.Now;
            workspace.CreatedByUser = creator;
            workspace.Structures.Add(new Structure(){Created = DateTime.Now,CreatedByUserId = creator.Id});
            AppendUser(workspace, owner, isDefault);
            return workspace;
        }

        public void AppendUser(Workspace workspace, User user, bool isDefault)
        {
            var userWorkspaceSet = Context.GetDbSet<DbSet<UserWorkspace>>();
            var userWorkspace = new UserWorkspace();
            userWorkspace.Workspace = workspace;
            userWorkspace.User = user;
            userWorkspace.IsDefault = isDefault;
            userWorkspaceSet.Add(userWorkspace);
        }

        public IQueryable<Workspace> GetAllEmpty(IPaging paging)
        {
            return Query(paging).Where(x => x.Structures.Any(struc => !struc.Metadocuments.Any()));
        }
        public IQueryable<Workspace> GetAllNonEmpty(IPaging paging)
        {
            return Query(paging).Where(x => x.Structures.Any(struc => struc.Metadocuments.Count>0));
        }

        public IQueryable<Workspace> GetAllByOwner(User owner, IPaging paging)
        {
            var userWorkspaceSet = Context.GetDbSet<DbSet<UserWorkspace>>();
            return userWorkspaceSet.Page(paging.IsDisabled ? (int?)null : paging.Page, paging.PageSize)
                .Where(x => x.User == owner).Select(x => x.Workspace);
        }
    }