gistfile1.txt

public class OpportunityTriggerHandler extends TriggerHandler {
 
    private Map<Id, Opportunity>    newOpportunityMap       = new Map<Id, Opportunity>();
    private Map<Id, Opportunity>    oldOpportunityMap       = new Map<Id, Opportunity>();
    private List<Opportunity>       triggerNew              = new List<Opportunity>();
    private List<Opportunity>       triggerOld              = new List<Opportunity>();
     
    public OpportunityTriggerHandler() {
        this.triggerNew                 = (List<Opportunity>) Trigger.new;
        this.triggerOld                 = (List<Opportunity>) Trigger.old;
    }
 
    Public Override void afterUpdate() {
        UpdateOppTeam();
    }
    
    Private void UpdateOppTeam(){
 
            //Iterate through opportunities, checking whether since this trigger has run, if the opportunity was closed.  e.g. if(!Trigger.oldMap.get(newOppty.Id).IsClosed && newOppty.IsClosed)
            
            //For any closed oppties, add the Opportunity Ids to a Set<Id>
            
            //Re-Query opportunities to look for "Manager" role in Owner's role. e.g. [Select Id from Oppty Where OwnerId in :myClosedOpptiesIds and Owner.Role='Manager'];
            
            //Loop through that query, and construct your list of OpportunityTeamMember records.
            
            //Outside of that loop (at the end of your trigger method, insert the list of opportunity team members.
  
    }
}