EnvelopeGenerator/EnvelopeGenerator.Server/EnvelopeGenerator.Server.Client/Services/CustomDataSourceWizardJsonDataConnectionStorage.cs

using DevExpress.DataAccess.Json;
using DevExpress.DataAccess.Web;
using DevExpress.DataAccess.Wizard.Services;

namespace EnvelopeGenerator.WebUI.Client.Services;

public class CustomDataSourceWizardJsonDataConnectionStorage : IDataSourceWizardJsonConnectionStorage
{
    public static JsonDataConnection GetDefaultConnection() {
        var uriJsonSource = new UriJsonSource() {
            Uri = new Uri(@"https://raw.githubusercontent.com/DevExpress-Examples/DataSources/master/JSON/customers.json"),
        };
        return new JsonDataConnection(uriJsonSource) { StoreConnectionNameOnly = true, Name = "NWindProductsJson" };
    }
    public static List<JsonDataConnection> GetConnections() {
        var connections = new List<JsonDataConnection> {
            GetDefaultConnection()
        };
        return connections;
    }

    bool IJsonConnectionStorageService.CanSaveConnection => false;
    bool IJsonConnectionStorageService.ContainsConnection(string connectionName) {
        return GetConnections().Any(x => x.Name == connectionName);
    }

    IEnumerable<JsonDataConnection> IJsonConnectionStorageService.GetConnections() {
        return GetConnections();
    }

    JsonDataConnection IJsonDataConnectionProviderService.GetJsonDataConnection(string name) {
        var connection = GetConnections().FirstOrDefault(x => x.Name == name);
        if(connection == null)
            throw new InvalidOperationException();
        return connection;
    }

    void IJsonConnectionStorageService.SaveConnection(string connectionName, JsonDataConnection connection, bool saveCredentials) { }
}