Add michbusiness products to memberships

add_prod.java

String MEMBERSHIP_RECORD_TYPE = '01236000000nXvOAAU';

void addProducts(List<Opportunity> opps) {
  List<OpportunityLineItem> olis = new List<OpportunityLineItem>();
  Id oppId = null;
  for (Opportunity o : opps) {
    PricebookEntry pbe = getPricebookEntry('NEW_MEMBERSHIP');
    if (o.Id == oppId) {
      pbe = getPricebookEntry('MEMBERSHIP_RENEWAL');
    }
    oppId = o.Id;
    OpportunityLineItem li = new OpportunityLineItem();
    olis.add(li);
    li.OpportunityId = o.Id;
    li.PricebookEntryId = pbe.Id;
    li.Quantity = 1;
    li.TotalPrice = o.Amount;
  }
  System.debug(olis);
  insert olis;
}

PricebookEntry getPricebookEntry(String productCode) {
    String pricebookId = MembershipSettings__c.getOrgDefaults().Price_Book_Id__c;
    List<PricebookEntry> pbes = getActivePricebookEntries(pricebookId);
    for (PricebookEntry pe: pbes) {
      if (pe.ProductCode == productCode) {
        return pe;
      }
    }
    return (PricebookEntry) null;
}

List<PricebookEntry> getActivePricebookEntries(String pricebookId) {
  return [
  select Id,
    UnitPrice,
    Pricebook2Id,
    Product2Id,
    ProductCode
  from PricebookEntry
  where Pricebook2Id = :pricebookId
    and IsActive = true
    and UseStandardPrice = false
  ];
}


List<opportunity> selectMembershipsWoProducts() {
  return [
    SELECT
      Id,
      Amount,
      AccountId
    FROM
      Opportunity
    WHERE
      Id not in (select OpportunityId from OpportunityLineItem)
    ORDER BY AccountId
    limit 1000
  ];
}

System.debug(getPricebookEntry('NEW_MEMBERSHIP'));
System.debug(getPricebookEntry('MEMBERSHIP_RENEWAL'));