A 'maintenance' razorview - displays an alphabetical list of all used template types in a site with a page count for each template

TemplateLookup.cshtml

@using Contensis.Framework.Web

@{
    @*
        - this is more of a 'maintenance' razorview
        - displays an alphabetical list of all used template types in a site with a page count for each template
    *@

    <h2>List of all used templates with page count</h2>
    
    // get all web page nodes in the site
    NodeFactory nf = new NodeFactory();
    IEnumerable<ContentNode> nodes = ((FolderNode)nf.Load("/")).Descendants<ContentNode>().Where(n => n.IsWebPage);
    
    // reference to know how many pages we are dealing with
    <p>Total page count : @nodes.Count()</p>
    
    // sorted set is used to store unique templates names in alphabetical order
    // for each page, get its template type and add it to the sorted set
    SortedSet<string> templateTypes = new SortedSet<string>();
    foreach(ContentNode node in nodes)
    {
        templateTypes.Add(node.Type);
    }
    
    // variable used for sanity check
    int globalCount = 0;
    
    <hr />
    <table>
        @{
            // for each template type...
            foreach(string templateType in templateTypes)
            {
                // ...get the number of pages that is using it
                int count = nodes.Where(x => x.Type == templateType).Count();
                
                // render data back to the page that is in a useful form
                <tr>
                    <td>@templateType</td>
                    <td>@count</td> 
                </tr>
                
                // update sanity check
                globalCount = globalCount + count;     
            }
        }
    </table>
    <hr />
    
    // sanity check - this value should be the same as the above @nodes.Count value
    <p>Sanity check page count : @globalCount</p>
}