remove a section package correctly

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Damien Holley 179 posts 540 karma points

Apr 29, 2017 @ 11:03

0

Remove a section package correctly

Extending Umbraco and using the API

Umbraco 7

Hi everyone, I am nearly finished with the code for my section, one issue cropped up though, if you remove the package it does not remove the section from the applications.config file. Is there a command or c# override/function I can put into the package.xml file that will tell it to actually remove it on uninstall?

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Marcio Goularte 374 posts 1346 karma points

Apr 30, 2017 @ 02:00

You need create a class that inherits IPackageAction. I made a simple sample code that might help.

References http://endzonesoftware.com/umbraco-install-package-action-adds-new-tab-dashboard-not-section-2/

https://24days.in/umbraco-cms/2013/v7-packages/

using System.Xml;
using umbraco.interfaces;
using Umbraco.Core;
using Umbraco.Core.IO;

namespace OurUmbraco
{
    public class RemoveAppAction : IPackageAction
    {
        public string Alias()
        {
            return "YourSection";
        }

        public bool Execute(string packageName, XmlNode xmlData)
        {
            return true;
        }


        public bool Undo(string packageName, XmlNode xmlData)
        {
            string config = "~/Config/applications.config";
            XmlDocument appsFile = XmlHelper.OpenAsXmlDocument(config);

            XmlNode app = appsFile.SelectSingleNode("//add[@alias='YourSection']");

            if (app != null)
            {

                appsFile.RemoveChild(app);
                appsFile.Save(IOHelper.MapPath(config));
            }

            return true;
        }

        public XmlNode SampleXml()
        {
            var xml = "<Action runat=\"install\" undo=\"true\" alias=\"YourSection\" />";
            XmlDocument x = new XmlDocument();
            x.LoadXml(xml);
            return x;
        }
    }
}

Add in package.xml <Action runat="install" undo="true" alias="YourSection" />

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Damien Holley 179 posts 540 karma points

May 08, 2017 @ 08:14

0

cheers, will try that. in the Undo part of the code should that have //add? I would have thought a remove or something would be required.

so ie: if my alias of the section is CHEESE would I have ...SelectSingleNode("//add[@alias='CHEESE']"); or would it be ...SelectSingleNode("@alias='CHEESE'");?

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