Hi

I am fairly new to low level coding with Umbraco.

I have worked with Umbraco 7 and in App_Code created a cshtml file to provide some core shared functionality which I would then call from any templates/partial views.

Eg I would like to have a function where I could pass a node id and return either a single property value or multiple.

I achieved this in Umbraco 7 using

public class myDoc {

    private IPublishedContent fetchDoc;
    private int _docID;

    public myDoc(int docID)
    {
        _docID = docID;
        fetchDoc = umbracoHelper.Content(docID);
    }

    public string docId(){
        return _docID.ToString();
    }


    public System.Web.HtmlString propertyValue(string strPropertyName)
    {
        var strValue = "";
        try{
            strValue = fetchDoc.GetPropertyValue(strPropertyName).ToString();   
        }
        catch(Exception ex){
            strValue = "Error - invalid document field name (" + strPropertyName + ")";
        }

        var nContent = new HtmlString(strValue);

        return nContent;
    }
}

And called this from a template

However, this doesn't work in Umbraco 8 (at least not the way it did) and my reading says I should now use IUmbracoContextFactory

However, I don't know how to instantiate this?

My cshtml code is

@using Umbraco
@using Umbraco.Core.Services
@using Umbraco.Web
@using Umbraco.Core.Models.PublishedContent
@using System.Web


@functions{

public static IPublishedContent test(IUmbracoContextFactory _umbracoContextFactory,int Id){
    var umbracoContextReference = _umbracoContextFactory.EnsureUmbracoContext();
    var content = umbracoContextReference.UmbracoContext.Content.GetById(Id);  

    return content;

}

and my template code is

    @inherits Umbraco.Web.Mvc.UmbracoViewPage<ContentModels.HomePage>
    @using ContentModels = Umbraco.Web.PublishedModels;
    @using owClasses;
    @{
        Layout = "standardContentMaster.cshtml";
    }


    @{
    var idHomePage = 1154;
    var tempvar_0 = @owRazorExtend.test(Umbraco,idHomePage);
    }

@section Body
{

<h1>Test</h1>

  <h4>@tempvar_2</h4>
}

and I get error

Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1503: Argument 1: cannot convert from 'Umbraco.Web.UmbracoHelper' to 'Umbraco.Web.IUmbracoContextFactory'

Source Error:

Line 9: @{ Line 10: var idHomePage = 1154; Line 11: var tempvar_0 = @owRazorExtend.test(Umbraco,idHomePage); Line 12: } Line 13:

so clearly I am passing the wrong reference to test.

Can any one advise?

Is there any documentation on this stuff eg the class, methods and properties in the various namespaces?

Many thanks