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: / proc / self / cwd / wp-content / plugins / mailchimp-for-wp / integrations / ninja-forms /
Filename : class-action.php
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<?php

/**
 * Class MC4WP_Ninja_Forms_Action
 */
class MC4WP_Ninja_Forms_Action extends NF_Abstracts_Action
{
    protected $_name           = 'mc4wp_subscribe';
    protected $_nicename       = 'Mailchimp';
    protected $_tags           = [ 'newsletter' ];
    protected $_timing         = 'normal';
    protected $_priority       = '10';
    protected $_settings       = [];
    protected $_setting_labels = [
        'list'   => 'List',
        'fields' => 'List Field Mapping',
    ];

    public function __construct()
    {
        $this->_settings['double_optin']    = [
            'name'    => 'double_optin',
            'type'    => 'select',
            'label'   => 'Use double opt-in?',
            'width'   => 'full',
            'group'   => 'primary',
            'value'   => 1,
            'options' => [
                [
                    'value' => 1,
                    'label' => 'Yes',
                ],
                [
                    'value' => 0,
                    'label' => 'No',
                ],
            ],
        ];
        $this->_settings['update_existing'] = [
            'name'    => 'update_existing',
            'type'    => 'select',
            'label'   => 'Update existing subscribers?',
            'width'   => 'full',
            'group'   => 'primary',
            'value'   => 0,
            'options' => [
                [
                    'value' => 1,
                    'label' => 'Yes',
                ],
                [
                    'value' => 0,
                    'label' => 'No',
                ],
            ],
        ];

        add_action('wp_ajax_nf_' . $this->_name . '_get_lists', [$this, '_get_lists']);
        add_action('init', [$this, 'translate_props']);
        add_action('init', [$this, 'get_list_settings']);
    }

    public function translate_props()
    {
        $this->_settings['double_optin']['label']    = __('Use double opt-in?', 'mailchimp-for-wp');
        $this->_settings['update_existing']['label'] = __('Update existing subscribers?', 'mailchimp-for-wp');

        if (isset($this->_settings[ $this->get_name() . 'newsletter_list_fields' ])) {
            $this->_settings[ $this->get_name() . 'newsletter_list_fields' ]['label'] = __('List Field Mapping', 'mailchimp-for-wp');
        }
    }

    /*
    * PUBLIC METHODS
    */

    public function save($action_settings)
    {
    }

    public function process($action_settings, $form_id, $data)
    {
        if (empty($action_settings['newsletter_list']) || empty($action_settings['EMAIL'])) {
            return;
        }

        // find "mc4wp_optin" type field, bail if not checked.
        foreach ($data['fields'] as $field_data) {
            if ($field_data['type'] === 'mc4wp_optin' && empty($field_data['value'])) {
                return;
            }
        }

        $list_id       = $action_settings['newsletter_list'];
        $email_address = $action_settings['EMAIL'];
        $mailchimp     = new MC4WP_MailChimp();

        $merge_fields = $mailchimp->get_list_merge_fields($list_id);
        foreach ($merge_fields as $merge_field) {
            if (! empty($action_settings[ $merge_field->tag ])) {
                $merge_fields[ $merge_field->tag ] = $action_settings[ $merge_field->tag ];
            }
        }

        $double_optin      = (int) $action_settings['double_optin'] !== 0;
        $update_existing   = (int) $action_settings['update_existing'] === 1;
        $replace_interests = isset($action_settings['replace_interests']) && (int) $action_settings['replace_interests'] === 1;

        do_action('mc4wp_integration_ninja_forms_subscribe', $email_address, $merge_fields, $list_id, $double_optin, $update_existing, $replace_interests, $form_id);
    }

    public function ajax_get_lists_handler()
    {
        check_ajax_referer('ninja_forms_builder_nonce', 'security');
        $lists = $this->get_lists();
        array_unshift($return, [ 'value' => 0, 'label' => '-', 'fields' => [], 'groups' => [] ]);
        echo wp_json_encode([ 'lists' => $return ]);
        wp_die();
    }

    private function get_lists()
    {
        $mailchimp = new MC4WP_MailChimp();

        /** @var array $lists */
        $lists  = $mailchimp->get_lists();
        $return = [
            [
                'label' => '-',
                'value' => 0,
                'fields' => [],
            ]
        ];

        foreach ($lists as $list) {
            $list_fields = [];

            foreach ($mailchimp->get_list_merge_fields($list->id) as $merge_field) {
                $list_fields[] = [
                    'value' => $merge_field->tag,
                    'label' => $merge_field->name,
                ];
            }

            // TODO: Add support for groups once base class supports this.
            $return[] = [
                'value'  => $list->id,
                'label'  => $list->name,
                'fields' => $list_fields,
            ];
        }

        return $return;
    }

    public function get_list_settings()
    {
        $label_defaults = [
            'list'   => 'List',
            'fields' => 'List Field Mapping',
        ];
        $labels         = array_merge($label_defaults, $this->_setting_labels);
        $prefix         = $this->get_name();
        $lists          = $this->get_lists();

        $this->_settings[ $prefix . 'newsletter_list' ] = [
            'name' => 'newsletter_list',
            'type' => 'select',
            'label' => $labels[ 'list' ] . ' <a class="js-newsletter-list-update extra"><span class="dashicons dashicons-update"></span></a>',
            'width' => 'full',
            'group' => 'primary',
            'value' => '0',
            'options' => [],
        ];

        if (empty($lists)) {
            return;
        }

        $fields = [];
        foreach ($lists as $list) {
            $this->_settings[ $prefix . 'newsletter_list' ][ 'options' ][] = $list;

            //Check to see if list has fields array set.
            if (isset($list[ 'fields' ])) {
                foreach ($list[ 'fields' ] as $field) {
                    $name     = $list[ 'value' ] . '_' . $field[ 'value' ];
                    $fields[] = [
                        'name' => $name,
                        'type' => 'textbox',
                        'label' => $field[ 'label' ],
                        'width' => 'full',
                        'use_merge_tags' => [
                            'exclude' => [
                                'user', 'post', 'system', 'querystrings',
                            ],
                        ],
                    ];
                }
            }
        }

        $this->_settings[ $prefix . 'newsletter_list_fields' ] = [
            'name' => 'newsletter_list_fields',
            'label' => 'List Field Mapping',
            'type' => 'fieldset',
            'group' => 'primary',
            'settings' => [],
        ];
    }
}