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This commit is contained in:
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<?php
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/**
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* @author Tassos Marinos <info@tassos.gr>
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* @link https://www.tassos.gr
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* @copyright Copyright © 2024 Tassos All Rights Reserved
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* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
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*/
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namespace NRFramework\Integrations;
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use NRFramework\Functions;
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// No direct access
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defined('_JEXEC') or die;
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class MailChimp extends Integration
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{
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/**
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* MailChimp Endpoint URL
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*
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* @var string
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*/
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protected $endpoint = 'https://<dc>.api.mailchimp.com/3.0';
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/**
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* Create a new instance
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*
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* @param array $options The service's required options
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* @throws \Exception
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*/
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public function __construct($options)
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{
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parent::__construct();
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$this->setKey($options);
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if (strpos($this->key, '-') === false)
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{
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return;
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}
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list(, $data_center) = explode('-', $this->key);
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$this->endpoint = str_replace('<dc>', $data_center, $this->endpoint);
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$this->options->set('headers.Authorization', 'apikey ' . $this->key);
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}
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/**
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* Subscribe user to MailChimp
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*
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* @param string $list_id The ID of the MailChimp list
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* @param string $email The email address of the subscriber
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* @param object $merge_fields The custom field that are associated with the subscriber where the keys are the merge tags.
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* @param boolean $double_optin If true, the subscriber will be added with status "pending" and a confirmation email will be sent to the user.
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* @param boolean $allow_update If true, the subscriber will be updated if it already exists. Otherwise, an error will be thrown.
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* @param array $tags The tags that are associated with the subscriber.
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* @param string $tags_replace Determines what changes to make to the subscriber's tags. Values: add_only, replace_all
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* @param array $interests The interests that are associated with the subscriber.
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* @param string $interests_replace Determines what changes to make to the subscriber's groups/interests. Values: add_only, replace_all
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*
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* @return void
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*/
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public function subscribeV2($list_id, $email, $merge_fields = null, $double_optin = true, $allow_update = true, $tags = null, $tags_replace = 'add_only', $interests = [], $interests_replace = 'add_only')
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{
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$data = [
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'email_address' => $email,
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'status' => $double_optin ? 'pending' : 'subscribed',
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'merge_fields' => (object) $merge_fields,
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'tags' => Functions::cleanArray($tags)
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];
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$member = $this->getMemberByEmail($list_id, $email);
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// Prepare Interests
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$interests = Functions::cleanArray($interests);
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$interests = $interests ? array_fill_keys($interests, true) : [];
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if ($member && isset($member['interests']) && $interests_replace == 'replace_all')
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{
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// Disable all existing groups
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$memberInterests = array_fill_keys(array_keys($member['interests']), false);
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// Merge new interests with existing interests
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$interests = array_merge($memberInterests, $interests);
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}
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$data['interests'] = (object) $interests;
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if (!$member)
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{
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// API Doc: https://developer.mailchimp.com/documentation/mailchimp/reference/lists/members/#create-post_lists_list_id_members
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$this->post('lists/' . $list_id . '/members', $data);
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return;
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}
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// Member exists
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// Since member exists and we don't allow updating existing member, throw an error.
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if (!$allow_update)
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{
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throw new \Exception('Member already exists');
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}
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// Skip double opt-in if the existing member is already confirmed
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if (isset($member['status']) && $member['status'] == 'subscribed')
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{
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$data['status'] = $member['status'];
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}
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// Update existing member
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// API Doc: https://mailchimp.com/developer/marketing/api/list-members/add-or-update-list-member
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$this->put('lists/' . $list_id . '/members/' . $member['id'], $data);
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// Remove existing member tags not included in the given Tags.
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if ($member['tags'] && $tags_replace == 'replace_all')
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{
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$currentTags = array_map(function($item) { return $item['name']; }, $member['tags']);
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if ($removeTags = array_diff($currentTags, $data['tags']))
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{
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$rTags = [];
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foreach ($removeTags as $removeTag)
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{
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$rTags[] = [
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'name' => $removeTag,
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'status' => 'inactive'
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];
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}
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// API Doc: https://mailchimp.com/developer/marketing/api/list-member-tags/add-or-remove-member-tags/
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$this->post('lists/' . $list_id . '/members/' . $member['id'] . '/tags', ['tags' => $rTags]);
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}
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}
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}
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/**
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* Subscribe user to MailChimp
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*
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* API References:
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* https://developer.mailchimp.com/documentation/mailchimp/reference/lists/members/#edit-put_lists_list_id_members_subscriber_hash
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* https://developer.mailchimp.com/documentation/mailchimp/reference/lists/members/#create-post_lists_list_id_members
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*
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* @param string $email User's email address
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* @param string $list The MailChimp list unique ID
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* @param Object $merge_fields Merge Fields
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* @param boolean $update_existing Update existing user
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* @param boolean $double_optin Send MailChimp confirmation email?
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*
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* @deprecated Use subscribeV2()
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*
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* @return void
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*/
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public function subscribe($email, $list, $merge_fields = array(), $update_existing = true, $double_optin = false)
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{
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$data = array(
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'email_address' => $email,
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'status' => $double_optin ? 'pending' : 'subscribed'
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);
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// add support for tags
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if ($tags = $this->getTags($merge_fields))
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{
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$data['tags'] = $tags;
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}
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if (is_array($merge_fields) && count($merge_fields))
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{
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foreach ($merge_fields as $merge_field_key => $merge_field_value)
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{
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$value = is_array($merge_field_value) ? implode(',', $merge_field_value) : (string) $merge_field_value;
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$data['merge_fields'][$merge_field_key] = $value;
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}
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}
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$interests = $this->validateInterestCategories($list, $merge_fields);
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if (!empty($interests))
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{
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$data = array_merge($data, array('interests' => $interests));
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}
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if ($update_existing)
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{
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// Get subscriber information.
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$subscriberHash = md5(strtolower($email));
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$member = $this->get('lists/' . $list . '/members/' . $subscriberHash);
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// Skip double opt-in if the subscriber exists and it's confirmed
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if (isset($member['status']) && $member['status'] == 'subscribed')
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{
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$data['status'] = $member['status'];
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}
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$this->put('lists/' . $list . '/members/' . $subscriberHash, $data);
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if ($tags)
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{
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$tags_ = [];
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foreach ($tags as $tag)
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{
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$tags_[] = [
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'name' => $tag,
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'status' => 'active'
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];
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}
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$currentTags = $this->getMemberTags($list, $subscriberHash);
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if ($removeTags = array_diff($currentTags, $tags))
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{
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foreach ($removeTags as $removeTag)
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{
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$tags_[] = [
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'name' => $removeTag,
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'status' => 'inactive'
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];
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}
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}
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$this->post('lists/' . $list . '/members/' . $subscriberHash . '/tags', ['tags' => $tags_]);
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}
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} else
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{
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$this->post('lists/' . $list . '/members', $data);
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}
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return true;
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}
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/**
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* @deprecated Use subscribeV2()
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*/
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private function getMemberTags($list, $subscriberHash)
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{
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$tags = $this->get('lists/' . $list . '/members/' . $subscriberHash . '/tags');
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$return = [];
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if (isset($tags['tags']))
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{
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foreach ($tags['tags'] as $tag)
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{
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$return[] = $tag['name'];
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}
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}
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return $return;
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}
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/**
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* Find and return all unique tags
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*
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* @param array $merge_fields
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*
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* @deprecated use subscribeV2()
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*
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* @return array
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*/
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private function getTags($merge_fields)
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{
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$tags = [];
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// ensure tags are added in the form
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if (!isset($merge_fields['tags']))
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{
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return $tags;
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}
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$mergeFieldsTags = $merge_fields['tags'];
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// make string array
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if (is_string($mergeFieldsTags))
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{
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$tags = explode(',', $mergeFieldsTags);
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}
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// ensure we have array to manipulate
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if (is_array($mergeFieldsTags) || is_object($mergeFieldsTags))
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{
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$tags = (array) $mergeFieldsTags;
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}
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// remove empty values, keep uniques and reset keys
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$tags = array_filter($tags);
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$tags = array_unique($tags);
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$tags = array_values($tags);
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$tags = array_map('trim', $tags);
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return $tags;
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}
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/**
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* Returns all available MailChimp lists
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*
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* https://developer.mailchimp.com/documentation/mailchimp/reference/lists/#read-get_lists
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*
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* @return array
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*/
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public function getLists()
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{
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$data = $this->get('/lists');
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if (!$this->success())
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{
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return;
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}
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if (!isset($data['lists']) || !is_array($data['lists']))
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{
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return;
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}
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$lists = [];
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foreach ($data['lists'] as $key => $list)
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{
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$lists[] = array(
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'id' => $list['id'],
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'name' => $list['name']
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);
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}
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return $lists;
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}
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/**
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* Gets the Interest Categories from MailChimp
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*
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* @param string $listID The List ID
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*
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* @deprecated Use subscribeV2()
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*
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* @return array
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*/
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public function getInterestCategories($listID)
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{
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if (!$listID)
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{
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return;
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}
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$data = $this->get('/lists/' . $listID . '/interest-categories');
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if (!$this->success())
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{
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return;
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}
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if (isset($data['total_items']) && $data['total_items'] == 0)
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{
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return;
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}
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return $data['categories'];
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}
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/**
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* Gets the values accepted for the particular Interest Category
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*
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* @param string $listID The List ID
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* @param string $interestCategoryID The Interest Category ID
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*
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* @deprecated Use subscribeV2()
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*
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* @return array
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*/
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public function getInterestCategoryValues($listID, $interestCategoryID)
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{
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if (!$interestCategoryID || !$listID)
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{
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return array();
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}
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$data = $this->get('/lists/' . $listID . '/interest-categories/' . $interestCategoryID . '/interests');
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if (isset($data['total_items']) && $data['total_items'] == 0)
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{
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return array();
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}
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return $data['interests'];
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}
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/**
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* Filters the interests categories through the form fields
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* and constructs the interests array for the subscribe method
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*
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* @param string $listID The List ID
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* @param array $params The Form fields
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*
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* @deprecated Use subscribeV2()
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*
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* @return array
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*/
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public function validateInterestCategories($listID, $params)
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{
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if (!$params || !$listID)
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{
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return array();
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}
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$interestCategories = $this->getInterestCategories($listID);
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if (!$interestCategories)
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{
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return array();
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}
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$categories = array();
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foreach ($interestCategories as $category)
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{
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if (array_key_exists($category['title'], $params))
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{
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$categories[] = array('id' => $category['id'], 'title' => $category['title']);
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}
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}
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if (empty($categories))
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{
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return array();
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}
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$interests = array();
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foreach ($categories as $category)
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{
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$data = $this->getInterestCategoryValues($listID, $category['id']);
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if (isset($data['total_items']) && $data['total_items'] == 0)
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{
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continue;
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}
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foreach ($data as $interest)
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{
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if (in_array($interest['name'], (array) $params[$category['title']]))
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{
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$interests[$interest['id']] = true;
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}
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else
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{
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$interests[$interest['id']] = false;
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}
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}
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}
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return $interests;
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}
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/**
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* Find a subscriber in a list by email address
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*
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* @param string $list_id The MailChimp list ID
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* @param string $email The email address
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*
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* @return mixed Object on success, false on failure
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*/
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public function getMemberByEmail($list_id, $email)
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{
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$subscriberHash = md5(strtolower($email));
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$result = $this->get('lists/' . $list_id . '/members/' . $subscriberHash);
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return $this->success() ? $result : false;
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}
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/**
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* Get the last error returned by either the network transport, or by the API.
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*
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* @return string
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*/
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public function getLastError()
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{
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$body = $this->last_response->body;
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if (isset($body['errors']))
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{
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$error = $body['errors'][0];
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return $error['field'] . ': ' . $error['message'];
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}
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if (isset($body['detail']))
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{
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return $body['detail'];
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}
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}
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/**
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* The get() method overridden so that it handles
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* the default item paging of MailChimp which is 10
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*
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* @param string $method URL of the API request method
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* @param array $args Assoc array of arguments (usually your data)
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* @return array|false Assoc array of API response, decoded from JSON
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*/
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public function get($method, $args = array())
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{
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$data = $this->makeRequest('get', $method, $args);
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if ($data && isset($data['total_items']) && (int) $data['total_items'] > 10)
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{
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$args['count'] = $data['total_items'];
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return $this->makeRequest('get', $method, $args);
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}
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return $data;
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}
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}
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Reference in New Issue
Block a user