PopulateBrandsViewActionsBlock.cs

using System;
using System.Linq;
using System.Threading.Tasks;
using Sitecore.Commerce.Core;
using Sitecore.Commerce.EntityViews;
using Sitecore.Framework.Pipelines;
using Sitecore.Services.Examples.Entities.Entities;

namespace Sitecore.Services.Examples.Entities.Pipelines.Blocks
{
    [PipelineDisplayName("PopulateBrandsViewActionsBlock")]
    public class PopulateBrandsViewActionsBlock : PipelineBlock<EntityView, EntityView, CommercePipelineExecutionContext>
    {
        private readonly IFindEntitiesInListPipeline _findEntitiesInListPipeline;

        public PopulateBrandsViewActionsBlock(IFindEntitiesInListPipeline findEntitiesInListPipeline)
        {
            _findEntitiesInListPipeline = findEntitiesInListPipeline;
        }

        public override async Task<EntityView> Run(EntityView entityView, CommercePipelineExecutionContext context)
        {
            var name = entityView?.Name;
            if (string.IsNullOrEmpty(name) || !entityView.Name.Equals("All Brands", StringComparison.OrdinalIgnoreCase))
            {
                return await Task.FromResult(entityView);
            }

            var findEntitiesInListArgument = await _findEntitiesInListPipeline.Run(new FindEntitiesInListArgument(typeof(Brand), CommerceEntity.ListName<Brand>(), 0, 9), context);
            var policy = entityView.GetPolicy<ActionsPolicy>();
            var actions = policy.Actions;
            var entityActionView = new EntityActionView()
            {
                Name = "AddBrand",
                DisplayName = "Add Brand",
                Description = "Adds a Brand",
                IsEnabled = true,
                EntityView = "Details",
                Icon = "add"
            };
            actions.Add(entityActionView);
            var entityActionViews = policy.Actions;
            var empty = new EntityActionView()
            {
                Name = "RemoveBrand",
                DisplayName = "Remove Brand",
                Description = "Removes a Brand"
            };
            var exists = findEntitiesInListArgument?.List.Items.Any() ?? false;
            empty.IsEnabled = exists;
            empty.EntityView = string.Empty;
            empty.RequiresConfirmation = true;
            empty.Icon = "delete";
            entityActionViews.Add(empty);

            return await Task.FromResult(entityView);
        }
    }
}