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7/6/2012 5:16 PM
 
Chad Richardson


Incite-Systems.com
Joined: 3/19/2010
Posts: 170

Dnn 6.1
News 4.2.1

I have a feed, that when displayed in the News module, the order is being changed from the original source. Here is the feed: http://www.amazon.com/rss/new-releases/dvd?tag=thedycom-20

When I view it in a browser, the order is correct, but when the module processes it, the order is changed. This list is a top ten type list so the order is important. I'm guessing that there is some logic to use the pubDate, and since they all have the same, the original order is lost somehow.

Any ideas on how to address this to use the original sort order?

Thanks in advance,

Chad
 
New Post
7/6/2012 6:13 PM
 
Chad Richardson


Incite-Systems.com
Joined: 3/19/2010
Posts: 170
Well, I have sort of an idea. The title field has the rank in the first positions like "#1: XXXX". I can substring the title to get the rank and then sort by that....but not sure you can do that in the same xsl or you need to pre-process it first. I'm guessing you need to pre-process it, but have no idea how to write an xsl to do that?

Here is what I tried, but the sorting doesn't work...I don't think you can sort on a custom derived variable like I am attempting.


<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output method="html" indent="yes"/>
 <xsl:param name="ItemsToShow"/>
 <xsl:param name="ShowItemDetails"/>
 <xsl:param name="ShowItemDate"/>
 <xsl:param name="Locale"/>
 <xsl:param name="Target"/>
 <xsl:template match="rss">

         
     
         <xsl:for-each select="channel/item" >
            
            <xsl:sort select="rank" data-type="number" order="ascending" />
            
            <xsl:variable name="rankStartPosn" select="string-length(substring-before(title, '#'))+1"/>
            <xsl:variable name="rankEndPosn" select="string-length(substring-before(title, ':'))+1"/>
            <xsl:variable name="rank" select="substring(title,number($rankStartPosn), number($rankEndPosn)-number($rankStartPosn))"/>
            
             <xsl:if test="position()&lt;=$ItemsToShow or $ItemsToShow&lt;1" >
                <h4>
                <a href="{link}">
                    <xsl:attribute name="target"><xsl:value-of select="$Target"/></xsl:attribute>
                    <xsl:value-of select="title"/>
                </a>
                </h4>
                <xsl:if test="$ShowItemDate='true'">
                    <h6>
                        <xsl:value-of select="pubDate"/>
                    </h6>
                </xsl:if>
                <xsl:if test="$ShowItemDetails='true'">
                    <p class="Normal">
                        <xsl:value-of select="$rank"/>
                        <xsl:value-of select="description" disable-output-escaping="yes"/>
                    </p>
                </xsl:if>
            </xsl:if>
        </xsl:for-each>
     
    </xsl:template>
</xsl:stylesheet>
 
New Post
7/6/2012 7:34 PM
Accepted Answer 
Chad Richardson


Incite-Systems.com
Joined: 3/19/2010
Posts: 170

Ah...epiphany! Just don't use variables and put the entire expression in the sort's select...like:

<xsl:sort data-type="number" order="ascending" 

                 select="substring(title,number(string-length(substring-before(title, '#'))+2), number(string-length(substring-before(title, ':'))+1)-number(string-length(substring-before(title, '#'))+2))"/>
 
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