LawrenceLoz

public with sharing class AccountHandlerSetActivityDateOnSelf implements TriggerAction.BeforeInsert, TriggerAction.BeforeUpdate {

    public void beforeInsert(List<Account> newList) {
        setLastAccountTreeActivity(newList);
    }

    public void beforeUpdate(List<Account> newList, List<Account> oldList) {
        setLastAccountTreeActivity(newList);
    }

LawrenceLoz

public with sharing class AccountHandlerSetActivityDateOnSelf implements BeforeInsert, BeforeUpdate {

    public void handleBeforeInsert(List<Account> newList) {
        setLastAccountTreeActivity(newList);
    }

    public void handleBeforeUpdate(List<Account> oldList, List<Account> newList) {
        setLastAccountTreeActivity(newList);
    }

LawrenceLoz

public with sharing class AccountHandlerUpdateRelatedContacts implements TriggerAction.AfterUpdate {

    // Updates contacts related to the account to set Last_Account_Update__c to the current date and time
    public void afterUpdate(List<Account> newList, List<Account> oldList) {
        Map<Id,Account> newMap = new Map<Id,Account>(newList);

        List<Contact> contacts = [SELECT Id FROM Contact WHERE AccountId IN :newMap.keySet()];

        Datetime timeNow = Datetime.now();
        for(Contact con : contacts) {