Orchard/src/Orchard.Web/Modules/Orchard.Dashboards/Services/DefaultDashboardSelector.cs

using Orchard.ContentManagement;
using Orchard.Core.Title.Models;
using Orchard.Dashboards.Models;
using Orchard.Layouts.Models;

namespace Orchard.Dashboards.Services {
    public class DefaultDashboardSelector : IDashboardSelector {
        private readonly IOrchardServices _services;
        public const string DefaultLayout = 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":false,\"htmlId\":null,\"htmlClass\":null,\"htmlStyle\":null,\"rule\":null},{\"typeName\":\"Orchard.Layouts.Elements.Row\",\"data\":\"\",\"exportableData\":\"\",\"index\":1,\"elements\":[{\"typeName\":\"Orchard.Layouts.Elements.Column\",\"data\":\"Width=4&Offset=0&Collapsible=null\",\"exportableData\":\"\",\"index\":0,\"elements\":[{\"typeName\":\"Orchard.Layouts.Elements.Html\",\"data\":\"Text=%3ch2%3e%3ci+class%3d%22fa+fa-users%22%3e%3c%2fi%3eMake+friends%3c%2fh2%3e%0d%0a%3cp%3eFind+friends+that+share+your+interest+of+Orchard.+There+are+a+couple+ways+that+you+can%26nbsp%3b%3ca+href%3d%22http%3a%2f%2forchardproject.net%2fdiscussions%22%3ediscuss+and+get+connected%3c%2fa%3e+to+the+project+including+mailing+lists%2c+forums+and+IRC.%3c%2fp%3e&Content=%3ch2%3e%3ci+class%3d%22fa+fa-users%22%3e%3c%2fi%3eMake+friends%3c%2fh2%3e%0d%0a%3cp%3eFind+friends+that+share+your+interest+of+Orchard.+There+are+a+couple+ways+that+you+can%26nbsp%3b%3ca+href%3d%22http%3a%2f%2forchardproject.net%2fdiscussions%22%3ediscuss+and+get+connected%3c%2fa%3e+to+the+project+including+mailing+lists%2c+forums+and+IRC.%3c%2fp%3e\",\"exportableData\":\"\",\"index\":0,\"elements\":[],\"isTemplated\":false,\"htmlId\":\"\",\"htmlClass\":\"\",\"htmlStyle\":\"\",\"rule\":\"\"}],\"isTemplated\":false,\"htmlId\":null,\"htmlClass\":null,\"htmlStyle\":null,\"rule\":null},{\"typeName\":\"Orchard.Layouts.Elements.Column\",\"data\":\"Width=4&Offset=0&Collapsible=null\",\"exportableData\":\"\",\"index\":1,\"elements\":[{\"typeName\":\"Orchard.Layouts.Elements.Html\",\"data\":\"Text=%3ch2%3e%3ci+class%3d%22fa+fa-pencil%22%3e%3c%2fi%3eContribute+back%3c%2fh2%3e%0d%0a%3cp%3eHelp+grow+Orchard.+We+encourage+contributions+of+all+sorts%2c+including+code+submissions%2c+documentation%2c+translations%2c+feature+recommendations%2c+and+more.Here+are+some+ways+to+%3ca+href%3d%22http%3a%2f%2forchardproject.net%2fcontribution%22%3egive+back+to+the+project%3c%2fa%3e.%3c%2fp%3e&Content=%3ch2%3e%3ci+class%3d%22fa+fa-pencil%22%3e%3c%2fi%3eContribute+back%3c%2fh2%3e%0d%0a%3cp%3eHelp+grow+Orchard.+We+encourage+contributions+of+all+sorts%2c+including+code+submissions%2c+documentation%2c+translations%2c+feature+recommendations%2c+and+more.Here+are+some+ways+to+%3ca+href%3d%22http%3a%2f%2forchardproject.net%2fcontribution%22%3egive+back+to+the+project%3c%2fa%3e.%3c%2fp%3e\",\"exportableData\":\"\",\"index\":0,\"elements\":[],\"isTemplated\":false,\"htmlId\":\"\",\"htmlClass\":\"\",\"htmlStyle\":\"\",\"rule\":\"\"}],\"isTemplated\":false,\"htmlId\":null,\"htmlClass\":null,\"htmlStyle\":null,\"rule\":null},{\"typeName\":\"Orchard.Layouts.Elements.Column\",\"data\":\"Width=4&Offset=0&Collapsible=null\",\"exportableData\":\"\",\"index\":2,\"elements\":[{\"typeName\":\"Orchard.Layouts.Elements.Html\",\"data\":\"Text=%3ch2%3e%3ci+class%3d%22fa+fa-clock-o%22%3e%3c%2fi%3eStay+up+to+date%3c%2fh2%3e%0d%0a%3cp%3e%3ciframe+width%3d%22100%25%22+height%3d%22100%25%22+scrolling%3d%22no%22+frameborder%3d%220%22+src%3d%22https%3a%2f%2forchardcore.net%2fadvisory%22+id%3d%22advisory%22%3e%0d%0a+%26lt%3bp%26gt%3bYour+browser+does+not+support+iframes.+You+can%27t+see+advisory+messages.%26lt%3b%2fp%26gt%3b%3c%2fiframe%3e%3c%2fp%3e&Content=%3ch2%3e%3ci+class%3d%22fa+fa-clock-o%22%3e%3c%2fi%3eStay+up+to+date%3c%2fh2%3e%0d%0a%3cp%3e%3ciframe+width%3d%22100%25%22+height%3d%22100%25%22+scrolling%3d%22no%22+frameborder%3d%220%22+src%3d%22https%3a%2f%2forchardcore.net%2fadvisory%22+id%3d%22advisory%22%3e%0d%0a+%26lt%3bp%26gt%3bYour+browser+does+not+support+iframes.+You+can%27t+see+advisory+messages.%26lt%3b%2fp%26gt%3b%3c%2fiframe%3e%3c%2fp%3e\",\"exportableData\":\"\",\"index\":0,\"elements\":[],\"isTemplated\":false,\"htmlId\":\"\",\"htmlClass\":\"\",\"htmlStyle\":\"\",\"rule\":\"\"}],\"isTemplated\":false,\"htmlId\":null,\"htmlClass\":null,\"htmlStyle\":null,\"rule\":null}],\"isTemplated\":false,\"htmlId\":null,\"htmlClass\":null,\"htmlStyle\":null,\"rule\":null}],\"isTemplated\":false,\"htmlId\":\"\",\"htmlClass\":\"\",\"htmlStyle\":\"\",\"rule\":\"\"}],\"isTemplated\":false,\"htmlId\":\"\",\"htmlClass\":\"\",\"htmlStyle\":\"\",\"rule\":\"\"}]}";

        public DefaultDashboardSelector(IOrchardServices services) {
            _services = services;
        }

        public DashboardDescriptor GetDashboardDescriptor() {
            var settings = _services.WorkContext.CurrentSite.As<DashboardSiteSettingsPart>();
            var dashboardId = settings.DefaultDashboardId;
            var dashboard = dashboardId != null ? _services.ContentManager.Get(dashboardId.Value, VersionOptions.Latest) : default;
            var descriptor = new DashboardDescriptor { Priority = -10 };

            if (dashboard == null)
                dashboard = CreateDefaultDashboard();

            descriptor.Display = shapeFactory => {
                var published = _services.ContentManager.Get(dashboard.Id, VersionOptions.Published);
                return _services.ContentManager.BuildDisplay(published, displayType: "Dashboard");
            };

            descriptor.Editor = shapeFactory => {
                var latest = _services.ContentManager.Get(dashboard.Id, VersionOptions.Latest);
                return _services.ContentManager.BuildEditor(latest);
            };

            descriptor.UpdateEditor = (shapeFactory, updater) => {
                var draft = _services.ContentManager.Get(dashboard.Id, VersionOptions.DraftRequired);
                return _services.ContentManager.UpdateEditor(draft, updater);
            };

            return descriptor;
        }

        private ContentItem CreateDefaultDashboard() {
            var dashboard = _services.ContentManager.Create("Dashboard");
            var settings = _services.WorkContext.CurrentSite.As<DashboardSiteSettingsPart>();
            var titlePart = dashboard.As<TitlePart>();
            var layoutPart = dashboard.As<LayoutPart>();

            titlePart.Title = "Welcome to Orchard";
            layoutPart.LayoutData = DefaultLayout;
            settings.DefaultDashboardId = dashboard.Id;

            return dashboard;
        }
    }
}