nhance/app/Controllers/NotificationController.php

<?php

// declare(strict_types=1);

namespace App\Controllers;

use CodeIgniter\HTTP\IncomingRequest;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Psr\Log\LoggerInterface;
use CodeIgniter\API\ResponseTrait;

use App\Controllers\Jobs ;

use App\Models\NotificationModel;
use App\Models\ClientModel;
use App\Models\EmployeeModel;
use App\Models\UserModel;

use App\Helpers\sendMailNotification;


class NotificationController extends AdminController
{   
    use ResponseTrait;
    protected $myLogger;
    protected $notificationModel;
    
    public function __construct()
    {
        $this->myLogger = \Config\Services::mylogger();
        $this->notificationModel       = new NotificationModel();                
    }

    // This is for Template Name Camel Case to Snake Case for store in DB  
    public function camelCaseToSnakeCase($input)   
    {
        $input = preg_replace('/(?<!^)([A-Z])/', '$1', $input);
        $input = str_replace(' ', '_', $input);
        return strtolower($input);
    }

    // Create Or Update the Notification 
    public function createNotification()
    {
        $form_data['template_name'] = $this->camelCaseToSnakeCase($this->request->getPost('template_name'));
        $form_data['subject'] = $this->request->getPost('subject');
        $form_data['mail_content'] = $this->request->getPost('mailContent');
        $form_data['client_id'] = $this->request->getPost('client_id');
        $notificationModel = new NotificationModel();

        $find_notification = $notificationModel->where('client_id',$form_data['client_id'])->where('template_name',$form_data['template_name'])->first();
        if ($find_notification) {
            $id = $find_notification['id'];
            $form_data['updated_by'] = get_session_userid();
            $notificationModel->update($id,$form_data);
            $complete = "Update";
        }else{
            $form_data['created_by'] = get_session_userid();
            $notificationModel->insert($form_data);
            $complete = "Inserted";
        }
        return json_encode($complete);
        
    }

    // This is for the Enabls in Notification area and Update the Recipient and HR Mail Id  in( Enables -> Notification table and Mail id's -> Client table)
    public function update_enable()
    {
        $checkboxNames = [
            'member_welcome_mail_btn',
            'member_reminder_mail_btn',
            'member_ecard_mail_btn',
            'member_review_and_summary_mail_btn',
            'account_maneger_summary_mail_btn',
            'client_hr_summary_mail_btn'
        ];
        $data = [];

        foreach ($checkboxNames as $checkboxName) 
        {
            $data[str_replace('_btn', '', $checkboxName)] = ($this->request->getPost($checkboxName) === "true") ? 1 : 0;
        }

        $notificationModel = new NotificationModel();
        $clientModel = new ClientModel();

        $id =$this->request->getPost('client_id');
        $clientData['common_mails'] =  $this->request->getPost('nhance_team_mail_ids');
        $clientData['hr_mails'] =  $this->request->getPost('hr_mail_id');
        $clientModel->update($id,$clientData);

        foreach ($data as  $key => $value) 
        {            
            $find = $notificationModel->where('client_id',$this->request->getPost('client_id'))->where('template_name', $key)->first();
            if ($find) 
            {
                $id = $find['id'];
                $changeData['enabled']= $value;
                $update = $notificationModel->update($id, $changeData);
            }
        }
        return json_encode("true");
    }

    // This for Load the Template Data for in View Page  
    public function getMailTemplateData($template_name,$client_id)
    {
        $notificationModel = new NotificationModel();

        $value = $notificationModel->where('client_id',$client_id)->where('template_name',$template_name)->first();

        return json_encode($value);
    }

    // This will send the Reminder Mail
    public function reminder_mail()
    {
        $clientModel = new ClientModel();
        $employeeModel = new EmployeeModel();
        $notificationModel = new NotificationModel();
        
        $client_list = $clientModel->where('is_active',1)->findAll();

        $wholeData = [];
        foreach($client_list as $key=>$value){
            $notification_data = $notificationModel->where('client_id',$value['id'])->where('template_name', 'member_reminder_mail')->first();

            $client_data = $clientModel->where('id', $value['id'])->first();

            if(isset($notification_data) && $notification_data['enabled'] == 1){
                $emp_data = $employeeModel->where('client_id', $value['id'])->where('is_active',1)->where('emp_status','draft')->findAll();
                if( count($emp_data) != 0)
                {
                   $params['emp_data'] = $emp_data;
                    $params['client_data'] = $client_data;
                    $params['notification_data'] = $notification_data;
                    $wholeData[] =sendMailNotification::sendMailNotification('member_reminder_mail', $params);
                }
            }   
        }

        $count = 0;
        foreach ($wholeData as $index => $values) {
            $whole_index = $index;
            foreach ($values as $index => $value) {
                $count++;
                $temp_whole_data[] = $value; 
                if($count == 20 || $whole_index == count($wholeData)-1 && $index == count($values)-1){
                    if (count($temp_whole_data) > 0) {
                        $job_details  = new Jobs();
                        $r = Jobs::addJob(['job_name' => 'bulk_mail','payload' => $temp_whole_data]); 

                        $temp_whole_data = [];
                        $count = 0;
                    }
                    
                }
            }
        }
    }
}