1- using System ;
2- using System . Collections . Generic ;
3- using System . Linq ;
4- using System . Threading . Tasks ;
5- using Microsoft . AspNetCore . Hosting ;
6- using Microsoft . Extensions . Configuration ;
7- using Microsoft . Extensions . Hosting ;
8- using Microsoft . Extensions . Logging ;
9-
10- namespace AspNetCoreDashboardBackend {
11- public class Program {
12- public static void Main ( string [ ] args ) {
13- CreateHostBuilder ( args ) . Build ( ) . Run ( ) ;
14- }
15-
16- public static IHostBuilder CreateHostBuilder ( string [ ] args ) =>
17- Host . CreateDefaultBuilder ( args )
18- . ConfigureWebHostDefaults ( webBuilder => {
19- webBuilder . UseStartup < Startup > ( ) ;
20- } ) ;
1+ using DevExpress . DashboardAspNetCore ;
2+ using DevExpress . DashboardWeb . Native ;
3+ using DevExpress . DashboardWeb ;
4+ using Microsoft . Extensions . FileProviders ;
5+ using DevExpress . AspNetCore ;
6+ using DevExpress . DashboardCommon ;
7+ using DevExpress . DataAccess . Json ;
8+
9+ var builder = WebApplication . CreateBuilder ( args ) ;
10+
11+ IFileProvider ? fileProvider = builder . Environment . ContentRootFileProvider ;
12+ IConfiguration ? configuration = builder . Configuration ;
13+
14+ // Configures CORS policies.
15+ builder . Services . AddCors ( options => {
16+ options . AddPolicy ( "CorsPolicy" , builder => {
17+ builder . AllowAnyOrigin ( ) ;
18+ builder . AllowAnyMethod ( ) ;
19+ builder . WithHeaders ( "Content-Type" ) ;
20+ } ) ;
21+ } ) ;
22+
23+ // Adds the DevExpress middleware.
24+ builder . Services . AddDevExpressControls ( ) ;
25+ // Adds controllers.
26+ builder . Services . AddControllersWithViews ( ) ;
27+
28+ // Configures the dashboard backend.
29+ builder . Services . AddScoped < DashboardConfigurator > ( ( IServiceProvider serviceProvider ) => {
30+ DashboardConfigurator configurator = new DashboardConfigurator ( ) ;
31+ configurator . SetDashboardStorage ( new DashboardFileStorage ( fileProvider . GetFileInfo ( "Data/Dashboards" ) . PhysicalPath ) ) ;
32+ configurator . SetDataSourceStorage ( CreateDataSourceStorage ( ) ) ;
33+ configurator . SetConnectionStringsProvider ( new DashboardConnectionStringsProvider ( configuration ) ) ;
34+ configurator . ConfigureDataConnection += Configurator_ConfigureDataConnection ;
35+ return configurator ;
36+ } ) ;
37+
38+ void Configurator_ConfigureDataConnection ( object sender , ConfigureDataConnectionWebEventArgs e ) {
39+ if ( e . ConnectionName == "jsonSupport" ) {
40+ Uri fileUri = new Uri ( fileProvider . GetFileInfo ( "Data/support.json" ) . PhysicalPath , UriKind . RelativeOrAbsolute ) ;
41+ JsonSourceConnectionParameters jsonParams = new JsonSourceConnectionParameters ( ) ;
42+ jsonParams . JsonSource = new UriJsonSource ( fileUri ) ;
43+ e . ConnectionParameters = jsonParams ;
2144 }
45+ if ( e . ConnectionName == "jsonCategories" ) {
46+ Uri fileUri = new Uri ( fileProvider . GetFileInfo ( "Data/categories.json" ) . PhysicalPath , UriKind . RelativeOrAbsolute ) ;
47+ JsonSourceConnectionParameters jsonParams = new JsonSourceConnectionParameters ( ) ;
48+ jsonParams . JsonSource = new UriJsonSource ( fileUri ) ;
49+ e . ConnectionParameters = jsonParams ;
50+ }
51+ }
52+
53+ DataSourceInMemoryStorage CreateDataSourceStorage ( ) {
54+ DataSourceInMemoryStorage dataSourceStorage = new DataSourceInMemoryStorage ( ) ;
55+
56+ DashboardJsonDataSource jsonDataSourceSupport = new DashboardJsonDataSource ( "Support" ) ;
57+ jsonDataSourceSupport . ConnectionName = "jsonSupport" ;
58+ jsonDataSourceSupport . RootElement = "Employee" ;
59+ dataSourceStorage . RegisterDataSource ( "jsonDataSourceSupport" , jsonDataSourceSupport . SaveToXml ( ) ) ;
60+
61+ DashboardJsonDataSource jsonDataSourceCategories = new DashboardJsonDataSource ( "Categories" ) ;
62+ jsonDataSourceCategories . ConnectionName = "jsonCategories" ;
63+ jsonDataSourceCategories . RootElement = "Products" ;
64+ dataSourceStorage . RegisterDataSource ( "jsonDataSourceCategories" , jsonDataSourceCategories . SaveToXml ( ) ) ;
65+ return dataSourceStorage ;
2266}
67+
68+ var app = builder . Build ( ) ;
69+
70+ // Registers the DevExpress middleware.
71+ app . UseDevExpressControls ( ) ;
72+
73+ // Registers routing.
74+ app . UseRouting ( ) ;
75+ // Registers CORS policies.
76+ app . UseCors ( "CorsPolicy" ) ;
77+
78+ // Maps the dashboard route.
79+ app . MapDashboardRoute ( "api/dashboard" , "DefaultDashboard" ) ;
80+ // Requires CORS policies.
81+ app . MapControllers ( ) . RequireCors ( "CorsPolicy" ) ;
82+
83+ app . Run ( ) ;
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