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wmintun Simple trigger to update a user lookup field on a custom object
Hi
I'm a noob just trying to get my feet wet in the world of APEX and triggers. Help or direction here would be greatly appreciated.
I've got a custom object that tracks CSAT results for Cases. When the CSAT record is created, I want to populate 2 user lookup fields on the CSAT custom object: one with the last modified user on the related case; the other with the manager of the last modified user on the related case.
I've had a few starts at doing this. But I'm getting stuck on where to start. All the examples I've found seem to take me in circles.
Thanks!
W
I'm a noob just trying to get my feet wet in the world of APEX and triggers. Help or direction here would be greatly appreciated.
I've got a custom object that tracks CSAT results for Cases. When the CSAT record is created, I want to populate 2 user lookup fields on the CSAT custom object: one with the last modified user on the related case; the other with the manager of the last modified user on the related case.
I've had a few starts at doing this. But I'm getting stuck on where to start. All the examples I've found seem to take me in circles.
Thanks!
W
trigger MyCSATTrigger on CSAT__c(before insert) { }
That trigger receive a list of newly inserted object. You need to iterate through them :
trigger MyCSATTrigger on CSAT__c(before insert)
{
for(CSAT__c cs : trigger.new)
{
// insert processing code here.
}
}
To ensure your trigger is bulkified, you need to populate a list of cases to query, to get the lastmodifiedby user and its manager.
trigger MyCSATTrigger on CSAT__c(before insert)
{
List<Id> caseIds = new List<Id>();
//Populate a list of all related cases
for(CSAT__c cs : trigger.new)
{
caseIds.add(cs.Case__c);
}
if(caseIds.size()>0)
{
//Query those cases
List<Case> cases = [Select Id, LastModifiedById, LastModifiedBy.ManagerId from Cases where Id in: caseIds];
}
}
This way you have a list of all related cases.
You will now need to use a map, so you can find the case back without itering through each entries; then looping again through your newly created object to assign proper values.
trigger MyCSATTrigger on CSAT__c(before insert)
{
List<Id> caseIds = new List<Id>();
//Populate a list of all related cases
for(CSAT__c cs : trigger.new)
{
caseIds.add(cs.Case__c);
}
if(caseIds.size()>0)
{
//Query those cases
List<Case> cases = [Select Id, LastModifiedById, LastModifiedBy.ManagerId from Cases where Id in: caseIds];
//Create a map
Map<Id,Case> casesMap = new Map<Id,Case>(cases);
//Update the CSAT__c objects
for(CSAT__c cs : trigger.new)
{
//Only process if there's a case mapped
if(casesMap.containsKey(cs.Case__c))
{
//Set the values
cs.CaseLastModifiedBy__c = casesMap.get(cs.Case__c).LastModifiedById;
cs.CaseLastModifiedByManager__c = casesMap.get(cs.Case__c).LastModifiedBy.ManagerId;
}
}
}
Don't forget to set as the answer if it helped you!
I'll try it today and let you know.
- W
- W
I deal with a similar request only without the CSAT custom object, but the regular Case object (plus - i'm trying to populate the createdBy user's manager)
I tried to create a copy of this trigger with few adjustments somehow it did not work well
Could you give me a help?
Thanx a lot!