I was talking this over with some friends. Really, what is the need for the database storage? A few ideas were thrown around, but perhaps some background on what you are really going to achieve would help.
Teddy
On 8/29/06, Mischa Uppelschoten ext 10 <[EMAIL PROTECTED]> wrote:
Thanks Teddy!
>
Mischa,
Part 1:
You are trying to prevent the user's shopping cart from expiring by storing it in the database and then retrieve it when they restart their session?
** Yes, that's exactly it.
Part 2:
OnSessionEnd takes the session scope as an argument. Thus unless you pass a scope into the application.cfc methds, you won't be able to manipulate them. I have not tried this and I am not sure this is possible, but perhaps you can test:
<cffunction name="onSessionEnd" returnType="void" output="false">
<cfargument name="sessionScope" type="struct" required="true">
<cfargument name="clientScope" type="struct" required="false">
<cfset client.foo = "bar">
</cffunction>
** I tried this and added the line for clientScope (I already had session and application and those work fine). OnSessionEnd still fails silently when setting or getting variables in clientScope.
Teddy
On 8/29/06, Mischa Uppelschoten ext 10 < [EMAIL PROTECTED]> wrote:
I'm probably missing something. Here is my situation:
CFMX7. I'm using OnSessionEnd in Application.cfc to store a user's shopping cart in a database. Works fine. Currently, after the session times out, only the shopping cart page is able to instantiate a shopping cart in the user's session scope and load the old cart. I would like to change this so that any page has the ability to retrieve the shopping cart, but I'm struggeling with performance considerations; I don't want to do a database lookup on every page request. (I want every page to be able to retrieve a user's cart because I built a shopping cart indicator which is displayed on every page).
I have noticed that you cannot set a client variable in the OnSessionEnd event (the event fails silently after the client.myvar= line if you do so), this would have been perfect because a simple check for a client var and then to a db lookup or not would have been easy. Obviously you cannot set a cookie var either. Should I not worry about an additional db lookup for every page request, or is there a better way to do this?
Many thanks!
Mischa.
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Mischa Uppelschoten
The Banker's Exchange, Inc.
2020 Hills Avenue NW
Atlanta, GA 30318
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