Velocity - Display specific value

Question

So I have this code: #if( $lead.autoPreApprovalNewRate.toString().equals("") )
#set( $lead.autoPreApprovalNewRate = 0 )
$number.number( $math.sub($lead.autoPreApprovalNewRate, "1") )
#end And when there is a value in the $lead.autoPreApprovalNewRate field, this works beautifully. The problem is if they don't have a value, the programing makes sure it's a 0, and the subtraction turns it into -1. I'm sure there is just another #if #else... I'm just not able to figure it out. Thanks.

SanfordWhiteman · Accepted Answer

Lot of confusing stuff here, and it’s just a few lines of code. 🙂

autoPreApprovalNewRate must already be an empty String, so it doesn’t need toString()
it can’t really be working beautifully, because everything is wrapped in the same condition
the second argument to $math.sub should be a Number, you’re just lucky that it’s converting the constant “1" to 1
$math.sub already converts the result to a Number instance

If your requirement is

if autoPreApprovalNewRate is the empty string, set the effective rate to 0
else set the effective rate to (autoPreApprovalNewRate - 1)

then that's

#if( $lead.autoPreApprovalNewRate.equals("") )
#set( $outputRate = 0 )
#else
#set( $outputRate = $math.sub($lead.autoPreApprovalNewRate, 1) )
#end
${outputRate}

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