Integrate mailchimp with magento using mageMonkey

Our client wanted to integrate mailchimp with magento. So I dig for extension and found this awesome free magento extension called mageMonkey. I installed it through magento connect using key: http://connect20.magentocommerce.com/community/Ebizmarts_MageMonkey

I was able to sync Firstname, Lastname and Email but it didn't work for other fields. Specially street name came as 'Array' instead of actual street name.

So tried to update this file: trunk/app/code/community/Ebizmarts/MageMonkey/Model/MCAPI.php and added new function _merge_vars as:

function _merge_vars($merge_vars=NULL){
        $params = array();
        if(is_array($merge_vars)){
            foreach($merge_vars as $k => $v){
                if(is_array($v)){
                    foreach($v as $k2 => $v2){
                        $params["{$k}_{$k2}"] = $v2;
                    }
                } else {
                    $params[$k] = $v;
                }
            }
        } else {
            $params = $merge_vars;
        }
        return $params;
    }

And, where ever there was $merge_vars, i changed to $this->_merge_vars($merge_vars)

But that didn't solve my issue. Finally found a function 'getMergeVars' that generates '$merge_vars' in: app/code/community/Ebizmarts/MageMonkey/Helper/Data.php Here I added couple of new lines which solved my issue.

	/*
	 * added these new conditions
	 * case 'city':
	 * case 'street':
	 * case 'region':
	 * case 'state':
	 * case 'zip':
	 * case 'postcode':
	 * case 'country':
	 * case 'telephone':
	 * case 'phone':
	 */
	public function getMergeVars($customer, $includeEmail = FALSE, $websiteId = NULL)
	{
		$merge_vars   = array();
        $maps         = $this->getMergeMaps($customer->getStoreId());
		if(!$maps){
			return;
		}
		$request = Mage::app()->getRequest();
		//Add Customer data to Subscriber if is Newsletter_Subscriber is Customer
		if(!$customer->getDefaultShipping() && $customer->getEntityId()){
			$customer->addData(Mage::getModel('customer/customer')->load($customer->getEntityId())
									->setStoreId($customer->getStoreId())
									->toArray());
		}
        // new:: get primary billing address of the customer
		$address = $customer->getPrimaryBillingAddress();
		foreach($maps as $map){
			$customAtt = $map['magento'];
			$chimpTag  = $map['mailchimp'];
			if($chimpTag && $customAtt){
				$key = strtoupper($chimpTag);
				switch ($customAtt) {
					case 'gender':
							$val = (int)$customer->getData(strtolower($customAtt));
							if($val == 1){
								$merge_vars[$key] = 'Male';
							}elseif($val == 2){
								$merge_vars[$key] = 'Female';
							}
						break;
					case 'dob':
							$dob = (string)$customer->getData(strtolower($customAtt));
							if($dob){
								$merge_vars[$key] = (substr($dob, 5, 2) . '/' . substr($dob, 8, 2));
							}
						break;
					case 'city':
                        if($address){
                            $merge_vars[$key] = $address->getCity();
                        }
						break;
					case 'street':
                        if($address){
                            $merge_vars[$key] = $address->getStreet(1) . ', ' . $address->getStreet(2);
                        }
						break;
					case 'region':
					case 'state':
                        if($address){
                            $merge_vars[$key] = (!$address->getRegion() ? $address->getCity() : $address->getRegion());
                        }
						break;
					case 'zip':
					case 'postcode':
                        if($address){
                            $merge_vars[$key] = $address->getPostcode();
                        }
						break;
					case 'country':
                        if($address){
                            $merge_vars[$key] = $address->getCountryId();
                        }
						break;
					case 'telephone':
					case 'phone':
                        if($address){
                            $merge_vars[$key] = $address->getTelephone();
                        }
						break;
					case 'billing_address': ...

Is there other easier method to sync fields like street, postcode phone etc?

Also there was another issue.

When you subscribe/unsubscribe from my account area it saves fine in admin but doesn’t update (subscribe or unsubscribe) in mailchimp. So I had to update:

File: app/code/community/Ebizmarts/MageMonkey/Helper/Data.php
Line: around 804
After: $subscriber->setMcStoreId(Mage::app()->getStore()->getId());

Added 2 more lines:

$mergeVars = Mage::helper('monkey')->getMergeVars($customer);
$api->listSubscribe($listId, $email, $mergeVars, 'html', $isConfirmNeed);

Then I was able to subscribe and unsubscribe again.