LoadPrivateXml.cs

using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Xml;
using Waher.Content;
using Waher.Networking.HTTP;
using Waher.Networking.XMPP.Server.PrivateXmlStorage;
using Waher.Persistence;
using Waher.Persistence.Filters;
using Waher.Script;
using Waher.Script.Abstraction.Elements;
using Waher.Service.IoTBroker.DataStorage;
 
namespace Waher.Service.IoTBroker.WebServices.Agent.Storage
{
    public class LoadPrivateXml : AgentPostResource
    {
        public LoadPrivateXml()
            : base("Storage/LoadPrivateXml",
                new KeyValuePair<Type, Expression>(typeof(Dictionary<string, object>), new Expression(jsonPattern)),
                new KeyValuePair<Type, Expression>(typeof(XmlDocument), new Expression(xmlPattern)))
        {
        }
 
        private static readonly string jsonPattern = Resources.LoadResourceAsText(typeof(LoadPrivateXml).Namespace + ".JSON.LoadPrivateXml.req");
        private static readonly string xmlPattern = Resources.LoadResourceAsText(typeof(LoadPrivateXml).Namespace + ".XML.LoadPrivateXml.req");
 
        public override async Task POST(HttpRequest Request, HttpResponse Response, Dictionary<string, IElement> Parameters)
        {
            AccountUser User = AssertUserAuthenticated(Request);
 
            string LocalName = (string)Parameters["PLocalName"].AssociatedObjectValue;
            string Namespace = (string)Parameters["PNamespace"].AssociatedObjectValue;
 
            PersistedElement Element = await Database.FindFirstDeleteRest<PersistedElement>(new FilterAnd(
                new FilterFieldEqualTo("Account", User.UserName),
                new FilterFieldEqualTo("Namespace", Namespace),
                new FilterFieldEqualTo("LocalName", LocalName)))
                ?? throw new NotFoundException("Private XML not found.");
 
            XmlDocument Doc = new XmlDocument()
            {
                PreserveWhitespace = true
            };
 
            Doc.LoadXml(Element.Xml);
 
            await Response.Return(new NamedDictionary<string, object>("PrivateXml", AgentResource.AgentNamespace)
            {
                { "created", Element.Created },
                { "updated", Element.Updated },
                { "Xml", Doc }
            });
        }
    }
}