Viewing by month: December 2010

Calculate Next Billing Date

I had a need to figure out the next billing date after today, based on a known start date and billing interval. Here’s the function I came up with to make it happen.

<cffunction name="getNextBilling" access="public" output="false" returntype="date" >
        hint="The date the billing started" 
        hint="The number of units for the billing. For example, 
            if something is billed every 90 days, this value will be 90" 
        hint="The date part for the billing interval. This is the 
            CF datepart, such as 'd', 'm', 'yyyy', etc. The default is 'd'." 

    <cfset var TimeFromStart = DateDiff(Arguments.IntervalUnit, StartDate, Now()) />

    <cfreturn DateAdd(Arguments.IntervalUnit, TimeFromStart + Arguments.BillingInterval - (TimeFromStart MOD Arguments.BillingInterval), Arguments.Startdate) />


Let me know if you spot a problem with the solution, or have suggestions for improvement.

2 comments | Posted by Daniel Short on Dec 10, 2010 at 1:37 PM | Categories: ColdFusion -

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4 comments | Posted by Daniel Short on Dec 8, 2010 at 9:28 PM | Categories: ColdFusion -