Assets cleaner. A simple plugin that lets you delete all or selected unreferenced assets

Cleaner.aspx

<%@ Page Language="c#" CodeBehind="Cleaner.aspx.cs" AutoEventWireup="False" Inherits="LatestEpi.modules.CleanAssetsPlugin.Cleaner" Title="" %>

<%@ Import Namespace="EPiServer.Web.Mvc.Html" %>

<asp:content contentplaceholderid="MainRegion" runat="server">
    
    <asp:HiddenField runat="server" id="SelectedMedia" ClientIDMode="static" />
    
    <script type="text/javascript">

        function SetSelected(getAll) {
            var checkboxValues = [];

            if (getAll) {
                $('input[type="checkbox"]').map(function () {
                    checkboxValues.push($(this).val());
                });
            }
            else
            {
                $('input:checked').map(function () {
                    checkboxValues.push($(this).val());
                });
            }

            $('#SelectedMedia').val(checkboxValues.join(','));
        };

    </script>

    <div class="epi-formArea epi-paddingHorizontal">
        <fieldset>   
             <legend>Summary</legend>  
              <dl>
                  <dt>All media:</dt><dd><asp:Literal runat="server" id="allMediaCount" /></dd>  
                  <dt>Unreferenced media</dt><dd><asp:Literal runat="server" id="unreferencedMediaCount" /></dd>
              </dl>     
        </fieldset>

         <div class="epi-buttonContainer">
            <span class="epi-cmsButton">
                <asp:Button  OnClientClick="SetSelected(1)" ClientIDMode="Static" Text="Delete all" CssClass="epi-cmsButton-text epi-cmsButton-tools epi-cmsButton-Save" id="savereset" onmouseover="EPi.ToolButton.MouseDownHandler(this)" onmouseout="EPi.ToolButton.ResetMouseDownHandler(this)" runat="server" />
                </span>
            <span class="epi-cmsButton">
                <asp:Button  OnClientClick="SetSelected()" Text="Delete selected" CssClass="epi-cmsButton-text epi-cmsButton-tools epi-cmsButton-Save" id="save" onmouseover="EPi.ToolButton.MouseDownHandler(this)" onmouseout="EPi.ToolButton.ResetMouseDownHandler(this)" runat="server" />
            </span>
        </div>
        <div class="epi-buttonContainer"></div>

        <fieldset>   
             <legend>Unreferenced media</legend>  
              <dl>             
                  <dd>
                      <asp:Repeater runat="server" id="rptUnreferencedMedia">
                          <ItemTemplate>
                              <div class="epi-size25">
                                  <input type="checkbox" value="<%#MD.ContentLink %>" /> <label><a href="<%#Url.ContentUrl(MD.ContentLink) %>" target="_blank"><%# BreadCrumb(MD)%></a></label>
                              </div>   
                          </ItemTemplate>
                      </asp:Repeater>
                   
                      <asp:Literal runat="server" id="Literal4" />
                  </dd>
              </dl>   
     
        </fieldset>

    </div>


  </asp:content>

Cleaner.aspx.cs

using System;
using System.Collections.Generic;
using System.Web.Security;
using System.Web.UI.WebControls;
using EPiServer.Personalization;
using EPiServer.PlugIn;
using EPiServer.Security;
using EPiServer.Util.PlugIns;
using System.Web.UI;
using EPiServer.Shell.WebForms;
using EPiServer;
using EPiServer.Core;
using EPiServer.ServiceLocation;
using System.Linq;
using System.Web.Mvc;

namespace LatestEpi.modules.CleanAssetsPlugin
{
    [GuiPlugIn(DisplayName = "Assets cleaner", Description = "", Area = PlugInArea.AdminMenu, Url = "~/modules/CleanAssetsPlugin/Cleaner.aspx")]
    public partial class Cleaner : WebFormsBase
    {
        private IContentRepository contentRepository = ServiceLocator.Current.GetInstance<IContentRepository>();
        protected UrlHelper Url = ServiceLocator.Current.GetInstance<UrlHelper>();
        protected MediaData MD { get { return Page.GetDataItem() as MediaData; } }

        protected override void OnPreInit(EventArgs e)
        {
            base.OnPreInit(e);

            MasterPageFile = UriSupport.ResolveUrlFromUIBySettings("MasterPages/EPiServerUI.master");
            SystemMessageContainer.Heading = "Assets cleaner";
            SystemMessageContainer.Description = "A plugin that simply removes all or selected unreferenced media in the assets folder.";
        }

        protected override void OnLoad(EventArgs e)
        {   
            if (IsPostBack)
            {
                var mediaContentLinks = SelectedMedia.Value.Split(",".ToCharArray());
                
                foreach(var mediaLink in mediaContentLinks)
                {
                    contentRepository.Delete(ContentReference.Parse(mediaLink), false, AccessLevel.NoAccess);
                }
            }

            List<MediaData> unReferencedList = new List<MediaData>();

            var allDescendantsInAssetsFolder = contentRepository.GetDescendents(ContentReference.GlobalBlockFolder).Select(contentRepository.Get<IContent>).ToList();
            var allMediaInAssetsFolder = allDescendantsInAssetsFolder.OfType<MediaData>().ToList();

            foreach (var media in allMediaInAssetsFolder)
            {
                var refs = contentRepository.GetReferencesToContent(media.ContentLink, false);
                if (refs.Count() == 0)
                {
                    unReferencedList.Add(media);
                }
            }

            allMediaCount.Text = allMediaInAssetsFolder.Count().ToString();
            unreferencedMediaCount.Text = unReferencedList.Count().ToString();

            rptUnreferencedMedia.DataSource = unReferencedList;
            rptUnreferencedMedia.DataBind();

        }

        protected string BreadCrumb(IContent content)
        {
            var ancestor = contentRepository.GetAncestors(content.ContentLink).ToList();
            string path = "";

            for (int x = ancestor.Count() - 1; x >= 0; x--)
            {
                path += "\\" + ancestor[x].Name;
            }

            return (path + "\\" + content.Name).Trim("\\".ToCharArray());
        }

        protected string UiUrl()
        {
            return EPiServer.Configuration.Settings.Instance.UIUrl.ToString().Trim('~');
        }

    }
}

Cleaner.aspx.designer.cs

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated. 
// </auto-generated>
//------------------------------------------------------------------------------

namespace LatestEpi.modules.CleanAssetsPlugin {
    
    
    public partial class Cleaner {
        
        /// <summary>
        /// SelectedMedia control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.HiddenField SelectedMedia;
        
        /// <summary>
        /// allMediaCount control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Literal allMediaCount;
        
        /// <summary>
        /// unreferencedMediaCount control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Literal unreferencedMediaCount;
        
        /// <summary>
        /// savereset control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Button savereset;
        
        /// <summary>
        /// save control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Button save;
        
        /// <summary>
        /// rptUnreferencedMedia control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Repeater rptUnreferencedMedia;
        
        /// <summary>
        /// Literal4 control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Literal Literal4;
    }
}

gistfile1.txt

<%@ Page Language="c#" CodeBehind="Cleaner.aspx.cs" AutoEventWireup="False" Inherits="LatestEpi.modules.CleanAssetsPlugin.Cleaner" Title="" %>

<%@ Import Namespace="EPiServer.Web.Mvc.Html" %>

<asp:content contentplaceholderid="MainRegion" runat="server">
    
    <asp:HiddenField runat="server" id="SelectedMedia" ClientIDMode="static" />
    
    <script type="text/javascript">

        function SetSelected(getAll) {
            var checkboxValues = [];

            if (getAll) {
                $('input[type="checkbox"]').map(function () {
                    checkboxValues.push($(this).val());
                });
            }
            else
            {
                $('input:checked').map(function () {
                    checkboxValues.push($(this).val());
                });
            }

            $('#SelectedMedia').val(checkboxValues.join(','));
        };

    </script>

    <div class="epi-formArea epi-paddingHorizontal">
        <fieldset>   
             <legend>Summary</legend>  
              <dl>
                  <dt>All media:</dt><dd><asp:Literal runat="server" id="allMediaCount" /></dd>  
                  <dt>Unreferenced media</dt><dd><asp:Literal runat="server" id="unreferencedMediaCount" /></dd>
              </dl>     
        </fieldset>

         <div class="epi-buttonContainer">
            <span class="epi-cmsButton">
                <asp:Button  OnClientClick="SetSelected(1)" ClientIDMode="Static" Text="Delete all" CssClass="epi-cmsButton-text epi-cmsButton-tools epi-cmsButton-Save" id="savereset" onmouseover="EPi.ToolButton.MouseDownHandler(this)" onmouseout="EPi.ToolButton.ResetMouseDownHandler(this)" runat="server" />
                </span>
            <span class="epi-cmsButton">
                <asp:Button  OnClientClick="SetSelected()" Text="Delete selected" CssClass="epi-cmsButton-text epi-cmsButton-tools epi-cmsButton-Save" id="save" onmouseover="EPi.ToolButton.MouseDownHandler(this)" onmouseout="EPi.ToolButton.ResetMouseDownHandler(this)" runat="server" />
            </span>
        </div>
        <div class="epi-buttonContainer"></div>

        <fieldset>   
             <legend>Unreferenced media</legend>  
              <dl>             
                  <dd>
                      <asp:Repeater runat="server" id="rptUnreferencedMedia">
                          <ItemTemplate>
                              <div class="epi-size25">
                                  <input type="checkbox" value="<%#MD.ContentLink %>" /> <label><a href="<%#Url.ContentUrl(MD.ContentLink) %>" target="_blank"><%# BreadCrumb(MD)%></a></label>
                              </div>   
                          </ItemTemplate>
                      </asp:Repeater>
                   
                      <asp:Literal runat="server" id="Literal4" />
                  </dd>
              </dl>   
     
        </fieldset>

    </div>


  </asp:content>

using System;
using System.Collections.Generic;
using System.Web.Security;
using System.Web.UI.WebControls;
using EPiServer.Personalization;
using EPiServer.PlugIn;
using EPiServer.Security;
using EPiServer.Util.PlugIns;
using System.Web.UI;
using EPiServer.Shell.WebForms;
using EPiServer;
using EPiServer.Core;
using EPiServer.ServiceLocation;
using System.Linq;
using System.Web.Mvc;

namespace LatestEpi.modules.CleanAssetsPlugin
{
    [GuiPlugIn(DisplayName = "Assets cleaner", Description = "", Area = PlugInArea.AdminMenu, Url = "~/modules/CleanAssetsPlugin/Cleaner.aspx")]
    public partial class Cleaner : WebFormsBase
    {
        private IContentRepository contentRepository = ServiceLocator.Current.GetInstance<IContentRepository>();
        protected UrlHelper Url = ServiceLocator.Current.GetInstance<UrlHelper>();
        protected MediaData MD { get { return Page.GetDataItem() as MediaData; } }

        protected override void OnPreInit(EventArgs e)
        {
            base.OnPreInit(e);

            MasterPageFile = UriSupport.ResolveUrlFromUIBySettings("MasterPages/EPiServerUI.master");
            SystemMessageContainer.Heading = "Assets cleaner";
            SystemMessageContainer.Description = "A plugin that simply removes all or selected unreferenced media in the assets folder.";
        }

        protected override void OnLoad(EventArgs e)
        {   
            if (IsPostBack)
            {
                var mediaContentLinks = SelectedMedia.Value.Split(",".ToCharArray());
                
                foreach(var mediaLink in mediaContentLinks)
                {
                    contentRepository.Delete(ContentReference.Parse(mediaLink), false, AccessLevel.NoAccess);
                }
            }

            List<MediaData> unReferencedList = new List<MediaData>();

            var allDescendantsInAssetsFolder = contentRepository.GetDescendents(ContentReference.GlobalBlockFolder).Select(contentRepository.Get<IContent>).ToList();
            var allMediaInAssetsFolder = allDescendantsInAssetsFolder.OfType<MediaData>().ToList();

            foreach (var media in allMediaInAssetsFolder)
            {
                var refs = contentRepository.GetReferencesToContent(media.ContentLink, false);
                if (refs.Count() == 0)
                {
                    unReferencedList.Add(media);
                }
            }

            allMediaCount.Text = allMediaInAssetsFolder.Count().ToString();
            unreferencedMediaCount.Text = unReferencedList.Count().ToString();

            rptUnreferencedMedia.DataSource = unReferencedList;
            rptUnreferencedMedia.DataBind();

        }

        protected string BreadCrumb(IContent content)
        {
            var ancestor = contentRepository.GetAncestors(content.ContentLink).ToList();
            string path = "";

            for (int x = ancestor.Count() - 1; x >= 0; x--)
            {
                path += "\\" + ancestor[x].Name;
            }

            return (path + "\\" + content.Name).Trim("\\".ToCharArray());
        }

        protected string UiUrl()
        {
            return EPiServer.Configuration.Settings.Instance.UIUrl.ToString().Trim('~');
        }

    }
}
//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated. 
// </auto-generated>
//------------------------------------------------------------------------------

namespace LatestEpi.modules.CleanAssetsPlugin {
    
    
    public partial class Cleaner {
        
        /// <summary>
        /// SelectedMedia control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.HiddenField SelectedMedia;
        
        /// <summary>
        /// allMediaCount control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Literal allMediaCount;
        
        /// <summary>
        /// unreferencedMediaCount control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Literal unreferencedMediaCount;
        
        /// <summary>
        /// savereset control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Button savereset;
        
        /// <summary>
        /// save control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Button save;
        
        /// <summary>
        /// rptUnreferencedMedia control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Repeater rptUnreferencedMedia;
        
        /// <summary>
        /// Literal4 control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Literal Literal4;
    }
}