Push_ClosedWon_to_ChargeOver.apxt

trigger Push_ClosedWon_to_ChargeOver on Opportunity (after update)
{
    List<sObject> objs = new List<sObject>();

    System.debug('Trigger running...');

    if (Trigger.isInsert || Trigger.isUpdate)
    {
        System.debug('Checking for closed-won...');

        // Catch closed-win opportunities in Salesforce
        for (Opportunity o : Trigger.new)
        {
            if (o.isWon &&
                !Trigger.oldMap.get(o.Id).isWon)
            {
                System.debug('Found a closed-won opportunity');

                objs.add(o);
            }
        }
    }
    /*else if (Trigger.isDelete)
    {
        for (sObject o : Trigger.old)
        {
            objs.add(o);
        }
    }*/

    for (integer i = 0; i < objs.size(); i++)
    {
        System.debug('Account ID is: ' + (String) objs[i].get('AccountId'));

        List<Account> a = [SELECT Id, Name FROM Account WHERE Id = :(String) objs[i].get('AccountId')];
        if (a != null && a.size()>0)
        {
            System.debug('Found the account for the opportunity... pushing to ChargeOver');

            Map<String, String> va = new Map<String, String>();
            va.put('company', (String) a[0].Name);
            va.put('external_key', (String) a[0].Id);

            ChargeOver.toCustomer(JSON.serialize(va));

            Map<String, String> v = new Map<String, String>();
            v.put('customer_external_key', (String) objs[i].get('AccountId'));
            v.put('paycycle', 'mon');  // Monthly
            v.put('external_key', (String) objs[i].get('Id'));

            ChargeOver.toSubscription(JSON.serialize(v));
        }
        else
        {
            System.debug('Account not found?');
        }
    }
}