File classes/utils/GravityFormsHelper.php | HJI WP Membership Code Reference

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<?php
/**
 * Created by PhpStorm.
 * User: maxchirkov
 * Date: 11/5/14
 * Time: 8:56 AM
 */

namespace hji\users\utils;

use \hji\users\controllers\GravityForms;
use \hji\ResponsiveIDX\models\HashMap;
use \hji\ResponsiveIDX\models\FieldLabels;
use \hji\users\Users;


class GravityFormsHelper
{
    private static $_instance;

    /**
     * Holds array of IDX supported fields
     * array[]
     *  ['name']    string Field Name
     *  ['label']   string Field Label
     *
     * @param array $idxFields
     */
    private $_idxFields = array();


    static function getInstance()
    {
        if (!self::$_instance)
        {
            self::$_instance = new GravityFormsHelper();
        }

        return self::$_instance;
    }


    /**
     * Returns available IDX fields with labels
     *
     * @since 1.0
     * @return array $_idxFields
     */
    static function getIDXFields()
    {
        $instance = self::getInstance();

        if ($instance->_idxFields)
        {
            return $instance->_idxFields;
        }

        // Generate array of all available idx fields

        foreach(HashMap::$fields as $field)
        {
            $instance->_idxFields[$field] = array(
                'name'   => $field,
                'label'  => FieldLabels::getLabel($field)
            );
        }

        return $instance->_idxFields;
    }


    /**
     * Helper function to return field name
     * based on the dynamic parameter's tag name.
     * For example: "hjiUser.name" returns "name".
     *
     * @param $tagName
     * @return string|bool
     */
    static function tagToField($tagName)
    {
        return substr(strrchr($tagName, '.'), 1);
    }


    /**
     * Determines if $field is an HJI User field
     *
     * @since 1.0.0
     *
     * @param $field GF field parameters array
     * @return bool|string returns false or field name
     */
    static function isUserField($field)
    {
        $tagName = trim($field['inputName'], '{}');
        $fieldName = self::tagToField($tagName);

        if ($tagName == GravityForms::$userObjName . '.id')
        {
            return 'email';
        }

        if (!rgar($field, 'allowsPrepopulate')
            || strpos($tagName, GravityForms::$userObjName) === false
            || !$fieldName)
        {

            return false;
        }

        return $fieldName;
    }


    static function getFirstLastName($name)
    {
        if (is_array($name))
        {
            $first = null;
            $last  = null;

            if (!empty($name))
            {
                $first = array_shift($name);
                $last  = !empty($name) ? implode(' ', $name) : null;
            }

            return array('first' => $first, 'last' => $last);
        }
        else
        {
            $parts = explode(' ', $name);
            return self::getFirstLastName($parts);
        }
    }
}

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