5

I need to develop Apex code to allow team members to auto-follow in Chatter when they are added to the Account. Team members are added to fields, and our consultant developed code to push the field information to the Account Team. I want to use the field inputs, instead of the Account Team, to build out our auto-follow team. I recently took the DEV 501 course, and included in the course is a great guideline for auto-follow. I'm trying to adapt that code for our purposes, but am not experienced enough to get around my issue.

Managing_Director_lu__c, Underwriting_Director__c, and Claims_Manager_lu__c are all custom lookup fields to the User object. All three fields will be populated, and all three team members will need to auto-follow simultaneously.

Apex Class:

public class AutoFollowOrgs {

    public static void OrgTeamSubscribeOrg(List <Account> accts) {
        System.Debug('OrgTeamSubscribeOrg: Entering');

        List<EntitySubscription> subscriptions = new List <EntitySubscription>();
        for (Account acct: accts) {
            EntitySubscription eSubs = new EntitySubscription(ParentId = acct.Id);
            if(acct.Managing_Director_lu__c != NULL){
                eSubs.SubscriberId = acct.Managing_Director_lu__c;
            }
            subscriptions.add(eSubs);
            if(acct.Underwriting_Director__c != NULL){
                eSubs.SubscriberId = acct.Underwriting_Director__c;
            }
            subscriptions.add(eSubs);
            if(acct.Claims_Manager_lu__c != NULL){
                eSubs.SubscriberId = acct.Claims_Manager_lu__c;
            }
            subscriptions.add(eSubs);
        }
        try {
            Database.insert(subscriptions);
        }
        catch (DMLException dmlEx) {
            //if we get an error because this user is already following this object, it's okay.
            if (dmlEx.getDmlType(0) == statusCode.DUPLICATE_VALUE) {
                System.Debug('OrgTeamSubscribeOrg: subscription already exists');
            } else {
                //otherwise we have a more serious error that we need to throw.
                throw dmlEx;
            }
        }
    }
}

I believe the issue lies with my subscriptions.add(eSubs) code. If I place it at the end of all the IF statements, only the last team member is added. This makes sense because I realized I was basically replacing the ParentID and SubscriberId with each IF statement. So, I tried adding the line after each IF statement, and get the following error when I run the code:

Error:Apex trigger AutoFollowOrgsTrigger caused an unexpected exception, contact your administrator: AutoFollowOrgsTrigger: execution of AfterUpdate caused by: System.ListException: Before Insert or Upsert list must not have two identically equal elements: Class.AutoFollowOrgs.OrgTeamSubscribeOrg: line 28, column 1

Okay, I guess this also makes sense because I must still only adding data to one line in the list, not multiple lines.

How do I adapt my code so that each team member is a different row in the list? Thanks!

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2 Answers 2

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5

Implementing a list will solve your issue:

public class AutoFollowOrgs {

    public static void OrgTeamSubscribeOrg(List <Account> accts) {
        System.Debug('OrgTeamSubscribeOrg: Entering');

        List<EntitySubscription> subscriptions = new List <EntitySubscription>();
        for (Account acct: accts) {
            if(acct.Managing_Director_lu__c != NULL){
                subscriptions.add(New EntitySubscription(ParentId = acct.Id,SubscriberId = acct.Managing_Director_lu__c));
            }
            if(acct.Underwriting_Director__c != NULL){
                subscriptions.add(New EntitySubscription(ParentId = acct.Id,SubscriberId = Underwriting_Director__c));
            }
            if(acct.Claims_Manager_lu__c != NULL){
                subscriptions.add(New EntitySubscription(ParentId = acct.Id,SubscriberId = Claims_Manager_lu__c));
            }
        }
        try {
            Database.insert(subscriptions);
        }
        catch (DMLException dmlEx) {
            //if we get an error because this user is already following this object, it's okay.
            if (dmlEx.getDmlType(0) == statusCode.DUPLICATE_VALUE) {
                System.Debug('OrgTeamSubscribeOrg: subscription already exists');
            } else {
                //otherwise we have a more serious error that we need to throw.
                throw dmlEx;
            }
        }
    }
}
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3
  • This is the right solution, Eric, but there's a minor error - you're not adding eSubs to subscriptions. I suggest adding directly to subscriptions instead, since the eSubs list is effectively redundant.
    – Rob
    Jul 13, 2015 at 16:41
  • @SpongeBob - Thanks for that, did not see the other list - Updated answer
    – Eric
    Jul 13, 2015 at 16:44
  • Oh, that works brilliantly! Thank you both for your help!
    – italiahall
    Jul 13, 2015 at 17:43
0

If I'm understanding correctly, you want a subscription for each of those custom fields on the account. So something like this:

public class AutoFollowOrgs {

    public static void OrgTeamSubscribeOrg(List <Account> accts) {
        System.Debug('OrgTeamSubscribeOrg: Entering');

        List<EntitySubscription> subscriptions = new List <EntitySubscription>();
        for (Account acct: accts) {

            if(acct.Managing_Director_lu__c != NULL){
                EntitySubscription eSubs = new EntitySubscription(ParentId = acct.Id);
                eSubs.SubscriberId = acct.Managing_Director_lu__c;
                subscriptions.add(eSubs);
            }

            if(acct.Underwriting_Director__c != NULL){
                EntitySubscription eSubs = new EntitySubscription(ParentId = acct.Id);
                eSubs.SubscriberId = acct.Underwriting_Director__c;
                subscriptions.add(eSubs);
            }

            if(acct.Claims_Manager_lu__c != NULL){
                EntitySubscription eSubs = new EntitySubscription(ParentId = acct.Id);
                eSubs.SubscriberId = acct.Claims_Manager_lu__c;
                subscriptions.add(eSubs);
            }

        }
        try {
            Database.insert(subscriptions);
        }
        catch (DMLException dmlEx) {
            //if we get an error because this user is already following this object, it's okay.
            if (dmlEx.getDmlType(0) == statusCode.DUPLICATE_VALUE) {
                System.Debug('OrgTeamSubscribeOrg: subscription already exists');
            } else {
                //otherwise we have a more serious error that we need to throw.
                throw dmlEx;
            }
        }
    }
}
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