ContentApprovalForMeQuery.cs

using EPiServer.Shell.ContentQuery;
using System.Collections.Generic;
using System.Web;
using EPiServer;
using EPiServer.Approvals;
using EPiServer.Core;
using EPiServer.ServiceLocation;
using EPiServer.Shell.Rest;
using EPiServer.Shell.Services.Rest;

namespace AlloyDemoKit.Business.ContentApprovalExtensions
{
    [ServiceConfiguration(typeof(IContentQuery))]
    public class ContentApprovalForMeQuery : ContentApprovalQueryBase, IContentQuery
    {
        public ContentApprovalForMeQuery(IContentRepository contentRepository,
            IApprovalRepository approvalRepository)
            : base(contentRepository, approvalRepository)
        {
        }

        public QueryRange<IContent> ExecuteQuery(IQueryParameters parameters)
        {
            var query = new ApprovalsQuery
            {
                OnlyActiveSteps = true,
                Username = HttpContext.Current.User.Identity.Name
            };
            return this.ExecuteQueryInternal(query);
        }

        public string DisplayName => "Awaiting my approval";

        public string Name => "awaitingmapproval";

        public IEnumerable<string> PlugInAreas => new[] { "editortasks" };

        public int SortOrder => 1;
    }

    public class ContentApprovalQueryBase
    {
        private readonly IContentRepository _contentRepository;
        private readonly IApprovalRepository _approvalRepository;

        public ContentApprovalQueryBase(IContentRepository contentRepository, IApprovalRepository approvalRepository)
        {
            _contentRepository = contentRepository;
            _approvalRepository = approvalRepository;
        }

        public QueryRange<IContent> ExecuteQueryInternal(ApprovalsQuery query)
        {
            var itemsToBeApproved = _approvalRepository.ListAsync(query);
            var contentItemsToBeApproved = new List<IContent>();
            var result = itemsToBeApproved.Result;
            foreach (var approval in result)
            {
                contentItemsToBeApproved.Add(_contentRepository.Get<IContent>(approval.ContentLink));
            }
            var items = new QueryRange<IContent>(contentItemsToBeApproved, new ItemRange());
            return items;
        }

        public bool CanHandleQuery(IQueryParameters parameters) => true;

        public int Rank { get; set; }
        public bool VersionSpecific { get; set; }
    }

}