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I've enabled Auditing in a list that keeps track of how many times an item has been viewed.

I would now like to use a Content Query Web part to return a list of documents based on their popularity (view/download count)

I tried searching for a solution but it looks like there's nothing out of the box that can do this. Any ideas what I should do to accomplish this?

Thanks a lot for any assistance!

Mr. J

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1 Answer

up vote 0 down vote accepted

I got this working in the end using JavaScript. The results are not 100% accurate because of the way SharePoint caches item values but it's accurate enough to give a rough indication how many times an item was downloaded.

Here's the steps I went through:

  1. I first created a column called Popularity in the document library. Type number.

  2. Then I created a new XSL template in ItemStyle.xsl that adds the Popularity column and the ID of the item to the returned value (hidden from user with css). This template is a version of the one called WithDocIcon because I want to display the icon next to the title as well.

    <xsl:template name="WithDocIconAndPopularity" match="Row[@Style='WithDocIconAndPopularity']" mode="itemstyle">
       <xsl:variable name="SafeLinkUrl">
            <xsl:call-template name="OuterTemplate.GetSafeLink">
                 <xsl:with-param name="UrlColumnName" select="'LinkUrl'"/>
            </xsl:call-template>
       </xsl:variable>
       <xsl:variable name="DisplayTitle">
            <xsl:call-template name="OuterTemplate.GetTitle">
                <xsl:with-param name="Title" select="''"/>
                <xsl:with-param name="UrlColumnName" select="'LinkUrl'"/>
                <xsl:with-param name="UseFileName" select="1"/>
            </xsl:call-template>
       </xsl:variable>
       <div class="item link-item">
           <xsl:if test="string-length(@DocumentIconImageUrl) != 0">
               <div class="image-area-left">
                   <img class="image" src="{@DocumentIconImageUrl}" title="" />
               </div>
           </xsl:if>
           <div class="link-item cqwp-popularity-item">
               <xsl:call-template name="OuterTemplate.CallPresenceStatusIconTemplate"/>
               <a href="{$SafeLinkUrl}" title="{@LinkToolTip}">
                   <xsl:if test="$ItemsHaveStreams = 'True'">
                     <xsl:attribute name="onclick">
                       <xsl:value-of select="@OnClickForWebRendering"/>
                     </xsl:attribute>
                   </xsl:if>
                   <xsl:if test="$ItemsHaveStreams != 'True' and @OpenInNewWindow = 'True'">
                     <xsl:attribute name="onclick">
                       <xsl:value-of disable-output-escaping="yes" select="$OnClickTargetAttribute"/>
                     </xsl:attribute>
                   </xsl:if>
                   <xsl:value-of select="$DisplayTitle"/>
               </a>
               <div class="description">
                   <xsl:value-of select="@Description" />
               </div>
               <div class="cqwp-item-id">
                   <xsl:value-of select="@ID" />
               </div>
               <div class="cqwp-item-popularity">
                   <xsl:value-of select="@Popularity" />
               </div>
    
           </div>
       </div>
    </xsl:template>
    
  3. Inside a JavaScript file's $(document).ready(function() {}) I added a listener to the links inside a div with class cqwp-popularity-item:

    $('.cqwp-popularity-item a').click(downloadCounter);
    
  4. Then, my downloadCounter function looks pretty much like this:

    var href='';
    function downloadCounter(e)
    {
        // increment counter
        var t = $(this);
        var iId = t.next().next();
        if(iId.hasClass('cqwp-item-id'))
        {
            var id = iId.html(),
                popularity = iId.next().html(),
                listTitle = '';
            href = t.attr('href');
                    // add to this if-else all the lists that you know have a Popularity column
            if(href.indexOf('LIST TITLE') != -1)
            {
                listTitle = 'LIST TITLE';
            }
    
            if(listTitle != '')
            {
                var siteUrl = _spPageContextInfo.siteServerRelativeUrl; // add subsite to this if required
                var clientContext = new SP.ClientContext(siteUrl);
                var oList = clientContext.get_web().get_lists().getByTitle(listTitle);
    
                oListItem = oList.getItemById(id);
    
                oListItem.set_item('Popularity', parseInt(popularity)+1);
    
                oListItem.update();
    
                function onQuerySucceeded() {
                                    // open the document link in a new window
                    window.open(href);
                    href='';
                }
    
                function onQueryFailed(sender, args) {
                    href='';
                    alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
                }
    
                clientContext.executeQueryAsync(onQuerySucceeded, onQueryFailed);
    
                e.stopPropagation();
                return false;
            }
        }
    
        return true;
    
     }
    

I know the code is not the most efficient & streamlined but this fits my requirements quite well.

Hopefully this will help someone else as well!

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