module-vendor-sales-report/Helper/Data.php

<?php
namespace Shopkeeper\VendorSalesReport\Helper;

use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\App\Helper\Context;
use Magento\Store\Model\ScopeInterface;

class Data extends AbstractHelper
{
    const XML_PATH_ENABLED = 'vendorsalesreport/general/enabled';
    const XML_PATH_ORDER_STATUS = 'vendorsalesreport/general/order_status';
    const XML_PATH_EMAIL_ENABLED = 'vendorsalesreport/email/enabled';
    const XML_PATH_EMAIL_RECIPIENTS = 'vendorsalesreport/email/recipients';
    const XML_PATH_EMAIL_SUBJECT = 'vendorsalesreport/email/subject';
    const XML_PATH_EMAIL_SENDER = 'vendorsalesreport/email/sender';

    /**
     * Check if automated report is enabled
     *
     * @return bool
     */
    public function isEnabled()
    {
        return $this->scopeConfig->isSetFlag(
            self::XML_PATH_ENABLED,
            ScopeInterface::SCOPE_STORE
        );
    }

    /**
     * Get order status filter
     *
     * @return array
     */
    public function getOrderStatus()
    {
        $value = $this->scopeConfig->getValue(
            self::XML_PATH_ORDER_STATUS,
            ScopeInterface::SCOPE_STORE
        );
        
        if (is_string($value)) {
            return explode(',', $value);
        }
        
        return is_array($value) ? $value : ['complete'];
    }

    /**
     * Check if email is enabled
     *
     * @return bool
     */
    public function isEmailEnabled()
    {
        return $this->scopeConfig->isSetFlag(
            self::XML_PATH_EMAIL_ENABLED,
            ScopeInterface::SCOPE_STORE
        );
    }

    /**
     * Get email recipients
     *
     * @return array
     */
    public function getEmailRecipients()
    {
        $recipients = $this->scopeConfig->getValue(
            self::XML_PATH_EMAIL_RECIPIENTS,
            ScopeInterface::SCOPE_STORE
        );
        
        if (empty($recipients)) {
            return [];
        }
        
        return array_map('trim', explode(',', $recipients));
    }

    /**
     * Get email subject
     *
     * @param string $month
     * @param string $year
     * @return string
     */
    public function getEmailSubject($month = null, $year = null)
    {
        $subject = $this->scopeConfig->getValue(
            self::XML_PATH_EMAIL_SUBJECT,
            ScopeInterface::SCOPE_STORE
        );
        
        if ($month && $year) {
            $subject = str_replace(['{{month}}', '{{year}}'], [$month, $year], $subject);
        }
        
        return $subject ?: 'Monthly Thermo Report';
    }

    /**
     * Get email sender
     *
     * @return string
     */
    public function getEmailSender()
    {
        return $this->scopeConfig->getValue(
            self::XML_PATH_EMAIL_SENDER,
            ScopeInterface::SCOPE_STORE
        ) ?: 'general';
    }
}