CreateComposerTemplatesBlock.cs

namespace Sitecore.Services.Examples.Composer
{
    using System;
    using System.Threading.Tasks;

    using Sitecore.Commerce.Core;
    using Sitecore.Framework.Conditions;
    using Sitecore.Framework.Pipelines;
    using Sitecore.Commerce.Plugin.Composer;
    using Sitecore.Commerce.Plugin.ManagedLists;
    using Sitecore.Commerce.Plugin.Views;
    using Sitecore.Commerce.EntityViews;
    using System.Collections.Generic;

    [PipelineDisplayName("CreateComposerTemplatesBlock")]
    public class CreateComposerTemplatesBlock : PipelineBlock<SampleArgument, bool, CommercePipelineExecutionContext>
    {
        private readonly CommerceCommander _commerceCommander;
        public CreateComposerTemplatesBlock(CommerceCommander commerceCommander)
        {
            _commerceCommander = commerceCommander;
        }

        public override async Task<bool> Run(SampleArgument arg, CommercePipelineExecutionContext context)
        {
            Condition.Requires(arg).IsNotNull($"{this.Name}: The argument can not be null");

            //Create the template, add the view and the properties
            string templateId = $"{CommerceEntity.IdPrefix<ComposerTemplate>()}{"DiscontinuedTemplate"}";

            var composerTemplate = new ComposerTemplate(templateId);
            composerTemplate.GetComponent<ListMembershipsComponent>().Memberships.Add(CommerceEntity.ListName<ComposerTemplate>());

            composerTemplate.LinkedEntities = new List<string>() { "Sitecore.Commerce.Plugin.Catalog.SellableItem" };

            var itemDefinitions = new Sitecore.Commerce.Plugin.Catalog.ItemDefinitionsComponent
            {
                Definitions = new List<string>() { "Refrigerator" }
            };

            composerTemplate.Components.Add(itemDefinitions);

            composerTemplate.Name = "DiscontinuedTemplate";
            composerTemplate.DisplayName = "Discontinued Template";

            var composerTemplateViewComponent = composerTemplate.GetComponent<EntityViewComponent>();
            var composerTemplateView = new EntityView
            {
                Name = "Discontinued",
                DisplayName = "Discontinued",
                DisplayRank = 0,
                ItemId = $"Composer-95DACDDD-151E-4527-9068-A27C9275967F",
                EntityId = composerTemplate.Id
            };

            composerTemplateView.Properties.Add(new ViewProperty() { DisplayName = "Discontinued", Name = "Discontinued", OriginalType = "System.Boolean", RawValue = false, Value = "false" });
            composerTemplateViewComponent.View.ChildViews.Add(composerTemplateView);
            var persistResult = await this._commerceCommander.PersistEntity(context.CommerceContext, composerTemplate);

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