Querying/filtering a struct

Question

I'm trying to filter a cfoutput query by a string in a struct
in
BlogCFC. Here's a link to the test page:
http://tinyurl.com/35ozjv
This page contains the first query, returning posts from all
categories,
along with dumps of the getCategory and getEntries functions.
The getEntries struct contains a categoryid and categoryname.
I would
like to filter the results by one category, "Articles" to
return the
blog post title and body.
Ray posted this in his forum:
"You pass in a struct of options. So make a struct, add
maxentries=10 to
it, and then pass the struct to getEntries. Then to filter by
category,
get the UUID value first, you can find them by calling
getCategories,
and then pass it in the struct by using the key, byCat. You
can't pass
the category name. You have to get the UUID value and use
that."
The problem is I have no idea how to pass the UUID to the
struct using
the key byCat.
Here's my unworking code:
<!--- Make a struct and add maxentries=10 to it --->
<cfset passthrough = StructNew()>
<cfset passthrough.maxentries=10>
<!--- Pass the struct to getEntries --->
<cfset posts =
application.blog.getEntries(passthrough)>
<!--- Then to filter by category, get the UUID value first
--->
<!--- You can find them by calling getCategories --->
<!--- Articles UUID is:
5D279AED-3048-72D5-0466F6D049A3D4B5 --->
<cfset theCategory = application.blog.getCategories()>
<!--- Then pass it in the struct by using the key, byCat
--->
I'm lost at this point. Any help is greatly appreciated.

Answer 1

cf_dev2 wrote:
>> What am I doing wrong?
>
> <cfquery dbtype="query" name="GetCategory">
> SELECT CategoryName
> FROM categoryInfo
> WHERE CategoryName = 'Articles'
> </cfquery>
>
> 1. Your QoQ needs to select the UUID column not
CategoryName. Besides that
> the QoQ looks good
> 2. You ran the QoQ to get the uuid for "Articles", but
then you didn't do
> anything with the query. You need to add the UUID value
to the structure of
> filters that get passed to getEntries(). So the
getEntries() function knows it
> should only return "Articles".
Perfect. It's much better using the QoQ WHERE instead of hard
coding the
Category ID. Thanks for thinking of that.
I've updated the test page with this new code
http://tinyurl.com/35ozjv
<!---- get all categories --->
<cfset qAllCategories =
application.blog.getCategories()>
<!---- find the UUID for the Articles category --->
<cfquery dbtype="query" name="GetArticlesCategory">
SELECT CategoryID
FROM qAllCategories
WHERE CategoryName = 'Articles'
</cfquery>
<!--- Make a new struct to pass the category and entries
to --->
<cfset filters = StructNew()>
<cfset filters.byCat = GetArticlesCategory.CategoryID>
<cfset filters.maxentries =10>
<cfset posts = application.blog.getEntries(filters)>
<!--- Query the last 10 Articles --->
<cfoutput query="posts">
<h3>
<a href="#application.blog.makeLink(id)#">
#Title#
</a>
</h3>
<p>
#body#
</p>
</cfoutput>