GetTransactionInformation.cs

using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Xml;
using Waher.Content;
using Waher.Networking.HTTP;
using Waher.Script;
using Waher.Script.Abstraction.Elements;
using Waher.Service.IoTBroker.DataStorage;
 
namespace Waher.Service.IoTBroker.WebServices.Agent.Wallet
{
    public class GetTransactionInformation : AgentPostResource
    {
        public GetTransactionInformation()
            : base("Wallet/GetTransactionInformation",
                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(GetTransactionInformation).Namespace + ".JSON.GetTransactionInformation.req");
        private static readonly string xmlPattern = Resources.LoadResourceAsText(typeof(GetTransactionInformation).Namespace + ".XML.GetTransactionInformation.req");
 
        public override async Task POST(HttpRequest Request, HttpResponse Response, Dictionary<string, IElement> Parameters)
        {
            AccountUser User = AssertUserAuthenticated(Request);
 
            string TransactionIdStr = (string)Parameters["PTransactionId"].AssociatedObjectValue;
            string TabId = Parameters.TryGetValue("PTabId", out IElement E) ? (string)E?.AssociatedObjectValue : null;
            string FunctionName = Parameters.TryGetValue("PFunctionName", out E) ? (string)E?.AssociatedObjectValue : null;
 
            if (!Guid.TryParse(TransactionIdStr, out Guid TransactionId))
                throw new BadRequestException("Invalid Transaction ID. Must be a GUID.");
 
            if (!PaymentTransactions.TryGetTransaction(TransactionId, out PaymentTransaction Transaction))
                throw new NotFoundException("Transaction not found.");
 
            if (Transaction.UserName != User.UserName)
                throw new ForbiddenException("Not your transaction.");
 
            if (!string.IsNullOrEmpty(TabId) || !string.IsNullOrEmpty(FunctionName))
            {
                if (!string.IsNullOrEmpty(TabId))
                    Transaction.TabId = TabId;
 
                if (!string.IsNullOrEmpty(FunctionName))
                    Transaction.FunctionName = FunctionName;
 
                await Transaction.PushToClient();
            }
 
            await Response.Return(Transaction.GetInformation());
        }
    }
}