AccountTriggerHandler_Updated_2

public class AccountTriggerHandler {
    //After Insert Handler
    public class AccountAfterInsertHandler implements MyTriggers.Handler{
        public void handle(){
            System.Debug(LoggingLevel.INFO,'Inside AccountAfterInsertHandler');
        }
    }
    
    //Before Insert Handler
    public class AccountBeforeInsertHandler implements MyTriggers.Handler{
        public void handle(){
            System.Debug(LoggingLevel.INFO,'Inside AccountBeforeInsertHandler');
            //Hold Trigger Context Variables
            List<Account> allNewAccounts = Trigger.new;
            for(Account singleAccount : allNewAccounts){
                if(singleAccount.Rating == 'Hot'){
					singleAccount.Active__c = 'Yes';                    
                    singleAccount.CustomerPriority__c = 'Medium';
                }
            }
        }
    }
    
    //Before Update Handler
    public class AccountBeforeUpdateHandler implements MyTriggers.Handler{
        public void handle(){
            //Hold Trigger Context Variables
            List<Account> allNewAccounts = Trigger.new;
            Map<Id, SObject> oldAccountMap = Trigger.oldMap;
            //Check if there is account name change
            isAccountNameChanged(allNewAccounts,oldAccountMap);
        }
        
        private void isAccountNameChanged(List<Account> allNewAccounts,Map<Id, SObject> oldAccountMap){
            Integer countOfAccountNameChanged = 0;
            for(Account singleAccount : allNewAccounts){
                Account oldAccount = (Account)oldAccountMap.get(singleAccount.Id);
                if(!singleAccount.Name.equals(oldAccount.Name)){
                    countOfAccountNameChanged++;
                }
            }
            System.Debug(LoggingLevel.INFO, 'Number of Account Name Changed: ' + countOfAccountNameChanged);
        }
    }
}