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Filename : helper.php
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<?php

use App\Mail\EmailNotify;
use App\Models\Addon\AI\OpenAIPrompt;
use App\Models\AffiliateHistory;
use App\Models\BookingHistory;
use App\Models\Bundle;
use App\Models\CartManagement;
use App\Models\Course;
use App\Models\Course_lecture;
use App\Models\CourseInstructor;
use App\Models\Currency;
use App\Models\Enrollment;
use App\Models\ForumPostComment;
use App\Models\Instructor;
use App\Models\InstructorConsultationDayStatus;
use App\Models\Language;
use App\Models\Meta;
use App\Models\NotificationEmailTemplate;
use App\Models\Order_item;
use App\Models\RankingLevel;
use App\Models\Review;
use App\Models\Setting;
use App\Models\Transaction;
use App\Models\User;
use App\Models\UserBadge;
use App\Models\Withdraw;
use App\Models\ZoomSetting;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Storage;
use App\Models\UserPackage;
use Illuminate\Support\Str;
use Carbon\Carbon;
use Illuminate\Support\Facades\Artisan;
use Illuminate\Support\Facades\Log;

function staticMeta($id)
{
    $meta = \App\Models\Meta::find($id);
    $metaData = [];
    if ($meta) {
        $metaData['title'] = $meta->meta_title;
        $metaData['meta_description'] = $meta->meta_description;
        $metaData['meta_keyword'] = $meta->meta_keyword;
    }

    return $metaData;
}

if (!function_exists('readableValue')) {
    function readableValue($value)
    {
        return base64_decode($value);
    }
}

function active_if_match($path)
{
    if (auth::user()->is_admin()) {
        return Request::is($path . '*') ? 'mm-active' : '';
    } else {
        return Request::is($path . '*') ? 'active' : '';
    }
}

function active_if_full_match($path)
{
    if (auth::user()->is_admin()) {
        return Request::is($path) ? 'mm-active' : '';
    } else {
        return Request::is($path) ? 'active' : '';
    }
}

function open_if_full_match($path)
{
    return Request::is($path) ? 'has-open' : '';
}


function toastrMessage($message_type, $message)
{
    Toastr::$message_type($message, '', ['progressBar' => true, 'closeButton' => true, 'positionClass' => 'toast-top-right']);
}

function get_option($option_key, $default = NULL)
{
    $system_settings = config('settings');

    if ($option_key && isset($system_settings[$option_key])) {
        return $system_settings[$option_key];
    } elseif ($option_key && isset($system_settings[strtolower($option_key)])) {
        return $system_settings[strtolower($option_key)];
    } elseif ($option_key && isset($system_settings[strtoupper($option_key)])) {
        return $system_settings[strtoupper($option_key)];
    } else {
        return $default;
    }
}

function zoom_status()
{
    $zoom = ZoomSetting::whereUserId(Auth::id())->first();
    $status = 0;
    if ($zoom) {
        $status = $zoom->status;
    }

    return $status;
}

function get_default_language()
{
    $language = Language::where('default_language', 'on')->first();
    if ($language) {
        $iso_code = $language->iso_code;
        return $iso_code;
    }

    return 'en';
}

function get_currency_symbol()
{
    $currency = Currency::where('current_currency', 'on')->first();
    if ($currency) {
        $symbol = $currency->symbol;
        return $symbol;
    }

    return '';
}

function get_current_currency()
{
    return Currency::where('current_currency', 'on')->first();
}

function get_currency_code()
{
    $currency = Currency::where('current_currency', 'on')->first();
    if ($currency) {
        $currency_code = $currency->currency_code;
        return $currency_code;
    }

    return '';
}

function get_currency_placement()
{
    $currency = Currency::where('current_currency', 'on')->first();
    $placement = 'before';
    if ($currency) {
        $placement = $currency->currency_placement;
        return $placement;
    }

    return $placement;
}

function get_platform_charge($sub_total)
{
    return ($sub_total * get_option('platform_charge')) / 100;
}

function admin_sell_commission($amount)
{
    return ($amount * get_option('sell_commission')) / 100;
}

function admin_commission_by_percentage($amount, $percentage)
{
    return ($amount * $percentage) / 100;
}

function referral_sell_commission($amount)
{
    return ($amount * get_option('referral_commission_percentage')) / 100;
}

function userBalance($userId = null)
{
    if ($userId == null) {
        return int_to_decimal(Auth::user()->balance);
    }
    $user = User::find($userId);
    return int_to_decimal($user->balance);
}

function instructor_available_balance()
{
    //Start::  Cancel Consultation Money Calculation
    $cancelConsultationOrderItemIds = BookingHistory::whereStatus(2)->where('send_back_money_status', 1)->whereHas('order', function ($q) {
        $q->where('payment_status', 'paid');
    })->pluck('order_item_id')->toArray();
    $orderItems = Order_item::whereIn('id', $cancelConsultationOrderItemIds);
    $cancel_consultation_money = $orderItems->sum('admin_commission') + $orderItems->sum('owner_balance');
    //Start::  Cancel Consultation Money Calculation

    $total_balance = Order_item::where('owner_user_id', Auth::id())->whereHas('order', function ($q) {
        $q->where('payment_status', 'paid');
    })->sum('owner_balance');
    $total_withdraw_balance = Withdraw::where('user_id', auth()->user()->id)->whereIn('status', [0, 1])->sum('amount');
    $available_balance = $total_balance - $total_withdraw_balance - $cancel_consultation_money;
    return number_format($available_balance, 2);
}


function get_number_format($amount)
{
    return number_format($amount, 2, '.', '');
}

function decimal_to_int($amount)
{
    return number_format(number_format($amount, 2, '.', '') * 100, 0, '.', '');
}

function int_to_decimal($amount)
{
    return number_format($amount / 100, 2, '.', '');
}

function createTransaction($user_id, $amount, $type, $narration, $reference = null, $order_item_id = null)
{
    $trn = new Transaction();
    $trn->hash = Str::uuid()->getHex();
    $trn->user_id = $user_id;
    $trn->order_item_id = $order_item_id;
    $trn->amount = $amount;
    $trn->narration = $narration;
    $trn->type = $type;
    $trn->reference = $reference;
    $trn->save();
}

function appLanguages()
{
    return Language::where('status', 1)->get();
}

function selectedLanguage()
{
    $language = Language::where('iso_code', config('app.locale'))->first();
    if (!$language) {
        $language = Language::find(1);
        if ($language) {
            $ln = $language->iso_code;
            session(['local' => $ln]);
            App::setLocale(session()->get('local'));
        }
    }

    return $language;
}

function take_exam($exam_id)
{
    if (\App\Models\Take_exam::whereUserId(auth()->user()->id)->whereExamId($exam_id)->count() > 0) {
        return 'yes';
    } else {
        return 'no';
    }
}


function get_answer_class($exam_id, $question_id, $question_option_id)
{
    if (\App\Models\Answer::whereUserId(auth()->user()->id)->whereExamId($exam_id)->whereQuestionId($question_id)->whereQuestionOptionId($question_option_id)->count() > 0) {
        $answer = \App\Models\Answer::whereUserId(auth()->user()->id)->whereExamId($exam_id)->whereQuestionId($question_id)->whereQuestionOptionId($question_option_id)->orderBy('id', 'DESC')->first();
        if ($answer->is_correct == 'yes') {
            return 'given-answer-right';
        } else {
            return 'given-answer-wrong';
        }
    } else {
        $option = \App\Models\Question_option::find($question_option_id);
        if ($option->is_correct_answer == 'yes') {
            return 'correct-answer-was';
        } else {
            return '';
        }
    }
}

function get_total_score($exam_id)
{
    $exam = \App\Models\Exam::find($exam_id);
    return $exam->marks_per_question * $exam->questions->count();
}

function get_student_score($exam_id)
{
    $exam = \App\Models\Exam::find($exam_id);
    $number_of_correct_answer = \App\Models\Answer::whereUserId(auth()->user()->id)->whereExamId($exam_id)->whereIsCorrect('yes')->count();
    return $exam->marks_per_question * $number_of_correct_answer;
}

function get_student_by_student_score($exam_id, $user_id)
{
    $exam = \App\Models\Exam::find($exam_id);
    $number_of_correct_answer = \App\Models\Answer::whereUserId(auth()->user()->id)->whereExamId($exam_id)->whereIsCorrect('yes')->count();
    return $exam->marks_per_question * $number_of_correct_answer;
}

function get_position($exam_id)
{
    $take_exams = \App\Models\Take_exam::whereExamId($exam_id)->orderBy('number_of_correct_answer', 'DESC')->get();
    $list = [];
    foreach ($take_exams as $key => $take_exam) {
        $list[$take_exam->user_id] = $key + 1;
    }

    if (array_key_exists(auth()->user()->id, $list)) {
        return $list[auth()->user()->id];
    } else {
        return '0';
    }
}

function set_instructor_ranking_level($user_id)
{
    $userCourseIds = Course::where(['course_instructor.instructor_id' => $user_id, 'course_instructor.status' => STATUS_ACCEPTED])->join('course_instructor', 'courses.id', '=', 'course_instructor.course_id')->groupBy('courses.id')->pluck('courses.id')->toArray();
    $userBundleIds = Bundle::whereUserId($user_id)->pluck('id')->toArray();

    $orderBundleItemsCount = Order_item::whereIn('bundle_id', $userBundleIds)->where('course_id', null)
        ->whereYear("created_at", now()->year)->whereMonth("created_at", now()->month)
        ->whereHas('order', function ($q) {
            $q->where('payment_status', 'paid');
        })->count();

    $allOrderItems = Order_item::whereIn('course_id', $userCourseIds)->orWhereIn('bundle_id', $userBundleIds)->whereHas('order', function ($q) {
        $q->where('payment_status', 'paid');
    });

    $grand_total_earning = $allOrderItems->sum('owner_balance');
    $grand_total_enroll = $allOrderItems->count('id') - $orderBundleItemsCount;

    $rankLevel = RankingLevel::where('earning', '<=', $grand_total_earning)->where('student', '<=', $grand_total_enroll)->first();

    if (is_null($rankLevel)) {
        return null;
    } else {
        Instructor::where('user_id', $user_id)->update(['level_id' => $rankLevel->id]);
    }
}


function get_instructor_ranking_level($badges)
{
    $badge = $badges->where('type', RANKING_LEVEL_EARNING)->first();
    return !is_null($badge) ? $badge->name : NULL;
}

function getImageFile($file)
{
    if ($file != '') {
        return asset($file);
    } else {
        return asset('frontend/assets/img/no-image.png');
    }
}

function getVideoFile($file)
{
    if ($file == '' || $file == null) {
        return null;
    }

    try {
        if (env('STORAGE_DRIVER') != "public") {
            if (Storage::disk(env('STORAGE_DRIVER'))->exists($file)) {
                $storage = Storage::disk(env('STORAGE_DRIVER'));
                return $storage->url($file);
            }
        } else {
            return asset($file);
        }
    } catch (Exception $e) {
    }

    return asset($file);
}

function notificationForUser()
{
    $instructor_notifications = \App\Models\Notification::where('user_id', auth()->user()->id)->where('user_type', 2)->where('is_seen', 'no')->orderBy('created_at', 'DESC')->get();
    $student_notifications = \App\Models\Notification::where('user_id', auth()->user()->id)->where('user_type', 3)->where('is_seen', 'no')->orderBy('created_at', 'DESC')->get();
    return array('instructor_notifications' => $instructor_notifications, 'student_notifications' => $student_notifications);
}

function adminNotifications()
{
    return \App\Models\Notification::where('user_type', 1)->where('is_seen', 'no')->orderBy('created_at', 'DESC')->paginate(5);
}

function studentCourseProgress($course_id, $enrollment_id)
{
    $course = \App\Models\Course::whereId($course_id)->with('scorm_course')->first();
    if ($course->course_type == COURSE_TYPE_GENERAL) {
        $number_of_total_lecture = \App\Models\Course_lecture::where('course_id', $course_id)->count();
        $number_of_total_view_lecture = \App\Models\Course_lecture_views::where('course_id', $course_id)->where('enrollment_id', $enrollment_id)->where('user_id', auth()->user()->id)->count();
        $result = 0;
        if ($number_of_total_lecture) {
            $result = (($number_of_total_view_lecture * 100) / $number_of_total_lecture ?? 1);
        }
    } else {
        $enrollment = Enrollment::whereId($enrollment_id)->first();
        $result = ($enrollment) ? ($enrollment->completed_time / $course->scorm_course->duration_in_second) * 100 : 0;
    }

    return min($result, 100);
}


function getLeftDuration($start_date, $end_date)
{
    $startDate = date('d-m-Y H:i:s', strtotime($start_date));
    $endDate = date('d-m-Y H:i:s', strtotime($end_date));

    $secondsDifference = strtotime($endDate) - strtotime($startDate);

    //converting seconds to hours, minutes, seconds.
    $day = floor($secondsDifference / 86400);
    $hour = floor(($secondsDifference - ($day * 86400)) / 3600);
    $minute = floor(($secondsDifference / 60) % 60);
    $second = floor($secondsDifference % 60);

    if ($day > 0) {
        $day = $day . ($day > 1 ? ' days ' : ' day ');
        if ($hour > 0) {
            $hour = $hour . ($hour > 1 ? ' hours ' : ' hour ');
            return $day . $hour;
        }
        return $day;
    } elseif ($hour > 0) {
        $hour = $hour . ($hour > 1 ? ' hours ' : ' hour ');
        if ($minute) {
            $minute = $minute . ($minute > 1 ? ' minutes ' : ' minute ');
            return $hour . $minute;
        }
        return $hour;
    } elseif ($minute > 0) {
        $minute = $minute . ($minute > 1 ? ' minutes ' : ' minute ');
        return $minute;
    } elseif ($second > 0) {
        return $second;
    }
}

function lessonVideoDuration($course_id, $lesson_id)
{
    $lectures = \App\Models\Course_lecture::where('course_id', $course_id)->where('lesson_id', $lesson_id)->get();
    $video_duration = 0;
    $total_video_duration_in_seconds = 0;

    if ($lectures->count() > 0) {
        foreach ($lectures as $lecture) {
            if ($lecture->file_duration_second) {
                $total_video_duration_in_seconds += $lecture->file_duration_second;
            }
        }

        $h = floor($total_video_duration_in_seconds / 3600);
        $m = floor($total_video_duration_in_seconds % 3600 / 60);
        $s = floor($total_video_duration_in_seconds % 3600 % 60);

        if ($h > 0) {
            return "$h h $m m $s s";
        } elseif ($m > 0) {
            return "$m min $s sec";
        } elseif ($s > 0) {
            return "$s sec";
        }
    }

    return $video_duration;
}

function checkStudentCourseView($course_lecture_views, $course_id, $lecture_id)
{
    $views = $course_lecture_views->where('course_id', $course_id)->where('course_lecture_id', $lecture_id)->first();

    return $views;
}

function checkStudentCourseIsLock($course_lecture_views, $course, $lecture, $enrollment = NULL, $isFirst = false)
{
    $lock = 0;
    if ($course->drip_content == DRIP_SEQUENCE) {
        $views = $course_lecture_views->where('course_id', $course->id)->where('course_lecture_id', $lecture->id)->first();
        if ($views) {
            $lock = 0;
        } else {
            $lock = 1;
        }

        if ($isFirst) {
            $lock = 0;
        } else {
            $oldLecture = Course_lecture::where('course_id', $course->id)->where('id', '<', $lecture->id)->orderBy('id', 'DESC')->select('id')->first();
            $oldView = $course_lecture_views->where('course_id', $course->id)->where('course_lecture_id', @$oldLecture->id)->first();
            if ($lock && $oldView) {
                $lock = 0;
            }
        }
    } elseif ($course->drip_content == DRIP_AFTER_DAY) {
        $today = Carbon::now();
        $afterDay = $lecture->after_day ? $lecture->after_day : 0;
        $unlockDay = Carbon::parse($enrollment->start_date)->addDays($afterDay);

        if ($unlockDay && Carbon::parse($unlockDay)->lte($today)) {
            $lock = 0;
        } else {
            $lock = 1;
        }
    } elseif ($course->drip_content == DRIP_UNLOCK_DATE) {
        $today = Carbon::now();
        if ($lecture->unlock_date && Carbon::parse($lecture->unlock_date)->lte($today)) {
            $lock = 0;
        } else {
            $lock = 1;
        }
    } elseif ($course->drip_content == DRIP_PRE_IDS) {
        $pre_ids = $lecture->pre_ids ? json_decode($lecture->pre_ids) : [];
        $viewedIds = $course_lecture_views->pluck('course_lecture_id')->toArray();
        if (!array_diff($pre_ids, $viewedIds)) {
            $lock = 0;
        } else {
            $lock = 1;
        }
    }

    return $lock;
}

function checkIfExpired($enrollment)
{
    $today = now();
    $isExpired = Carbon::parse($enrollment->end_date)->gte($today);
    return $isExpired;
}

function checkIfLifetime($date)
{
    $isEqual = Carbon::parse($date)->eq(MAX_EXPIRED_DATE);
    return $isEqual;
}

function studentCoursesCount($user_id)
{
    $orderItems = Enrollment::where('user_id', $user_id)->count();

    return $orderItems;
}

function countUserReplies($user_id = null)
{
    return ForumPostComment::whereUserId($user_id)->count();
}

function getDayAvailableStatus($day)
{
    $item = InstructorConsultationDayStatus::where('user_id', Auth::id())->where('day', $day)->first();
    if ($item) {
        $status = 1;
    } else {
        $status = 0;
    }

    return $status;
}

function getInstructorTotalReview($user_id)
{
    $courseIds = Course::where('user_id', $user_id)->pluck('id')->toArray();
    return Review::whereIn('course_id', $courseIds)->count();
}

function getInstructorName($id)
{
    $user = Instructor::whereUserId($id)->first();
    return @$user->full_name ?? '';
}

function getBookingHistoryDetails($consultation_slot_id)
{
    $booking = BookingHistory::where('consultation_slot_id', $consultation_slot_id)->first();
    $bookingArray = [
        'time' => $booking->time ?? '',
        'type' => $booking->type ?? ''
    ];

    return $bookingArray;
}

function getBundleDetails($id)
{
    $bundle = Bundle::find($id);
    return $bundle;
}

function getUserAverageRating($user_id)
{
    $courseIds = Course::where('user_id', $user_id)->pluck('id')->toArray();

    $data['five_star_count'] = Review::whereIn('course_id', $courseIds)->whereRating(5)->count();
    $data['four_star_count'] = Review::whereIn('course_id', $courseIds)->whereRating(4)->count();
    $data['three_star_count'] = Review::whereIn('course_id', $courseIds)->whereRating(3)->count();
    $data['two_star_count'] = Review::whereIn('course_id', $courseIds)->whereRating(2)->count();
    $data['first_star_count'] = Review::whereIn('course_id', $courseIds)->whereRating(1)->count();

    $data['total_reviews'] = (5 * $data['five_star_count']) + (4 * $data['four_star_count']) + (3 * $data['three_star_count']) +
        (2 * $data['two_star_count']) + (1 * $data['first_star_count']);
    $data['total_user_review'] = $data['five_star_count'] + $data['four_star_count'] + $data['three_star_count'] + $data['two_star_count'] + $data['first_star_count'];

    if ($data['total_user_review'] > 0) {
        $average_rating = $data['total_reviews'] / $data['total_user_review'];
    } else {
        $average_rating = 0;
    }

    return $average_rating;
}

function courseStudents($course_id)
{
    $total_course_students = Enrollment::where('course_id', $course_id)->count();
    return $total_course_students;
}

function getCourseAffiliateAmount($course_id)
{
    return AffiliateHistory::where(['course_id' => $course_id, 'status' => AFFILIATE_HISTORY_STATUS_PAID])->sum('commission');
}

function cart_total_with_conversion_rate($payment_method, $carts = null)
{
    if (is_null($carts)) {
        $carts = CartManagement::whereUserId(@Auth::user()->id)->get();
    }
    $grand_total = get_platform_charge($carts->sum('price')) + $carts->sum('price');

    if ($payment_method == 'paypal') {
        $conversion_rate = get_option('paypal_conversion_rate') ? get_option('paypal_conversion_rate') : 0;
    } elseif ($payment_method == 'stripe') {
        $conversion_rate = get_option('stripe_conversion_rate') ? get_option('stripe_conversion_rate') : 0;
    } elseif ($payment_method == 'bank') {
        $conversion_rate = get_option('bank_conversion_rate') ? get_option('bank_conversion_rate') : 0;
    } elseif ($payment_method == 'mollie') {
        $conversion_rate = get_option('mollie_conversion_rate') ? get_option('mollie_conversion_rate') : 0;
    } elseif ($payment_method == 'instamojo') {
        $conversion_rate = get_option('im_conversion_rate') ? get_option('im_conversion_rate') : 0;
    } elseif ($payment_method == 'paystack') {
        $conversion_rate = get_option('paystack_conversion_rate') ? get_option('paystack_conversion_rate') : 0;
    } elseif ($payment_method == 'sslcommerz') {
        $conversion_rate = get_option('sslcommerz_conversion_rate') ? get_option('sslcommerz_conversion_rate') : 0;
    } elseif ($payment_method == 'mercadopago') {
        $conversion_rate = get_option('mercadopago_conversion_rate') ? get_option('mercadopago_conversion_rate') : 0;
    } elseif ($payment_method == 'flutterwave') {
        $conversion_rate = get_option('flutterwave_conversion_rate') ? get_option('flutterwave_conversion_rate') : 0;
    } elseif ($payment_method == 'coinbase') {
        $conversion_rate = get_option('coinbase_conversion_rate') ? get_option('coinbase_conversion_rate') : 0;
    } elseif ($payment_method == 'zitopay') {
        $conversion_rate = get_option('zitopay_conversion_rate') ? get_option('zitopay_conversion_rate') : 0;
    } elseif ($payment_method == 'iyzipay') {
        $conversion_rate = get_option('iyzipay_conversion_rate') ? get_option('iyzipay_conversion_rate') : 0;
    } elseif ($payment_method == 'bitpay') {
        $conversion_rate = get_option('bitpay_conversion_rate') ? get_option('bitpay_conversion_rate') : 0;
    } elseif ($payment_method == 'braintree') {
        $conversion_rate = get_option('braintree_conversion_rate') ? get_option('braintree_conversion_rate') : 0;
    } else {
        $conversion_rate = get_option($payment_method.'_conversion_rate') ? get_option($payment_method.'_conversion_rate') : 0;
    }

    return $grand_total * $conversion_rate;
}

function distributeCommission($order)
{
    $cashbackType = get_option('cashback_type');
    $cashbackAmount = get_option('cashback_amount');

    foreach ($order->items as $order_item) {
        $totalCashback = 0;
        $ownerId = $order_item->owner_user_id;
        $distributedAmount = 0;
        if (!is_null($order_item->course_id)) {
            $courseInstructors = CourseInstructor::where('course_id', $order_item->course_id)->whereStatus(STATUS_ACCEPTED)->get();
            foreach ($courseInstructors as $courseInstructor) {
                $user_id = $courseInstructor->instructor_id;
                if ($ownerId != $user_id) {
                    $balance = ($order_item->owner_balance / 100) * ($courseInstructor->share);
                    $distributedAmount += $balance;
                    if ($balance > 0) {
                        createTransaction($user_id, $balance, TRANSACTION_SELL, 'Earning via sell', 'Order_item (' . $order_item->id . ')', $order_item->id);
                        $owner_user = User::find($user_id);
                        if ($owner_user) {
                            $owner_user->increment('balance', decimal_to_int($balance));
                        }
                    }
                }
            }

            if (get_option('cashback_system_mode')) {
                $unitPrice = $order_item->unit_price;
                $unit = $order_item->unit;
                $amount = $unit * $unitPrice;
                if ($cashbackType == 1) {
                    $totalCashback += ($amount / 100) * $cashbackAmount;
                } else {
                    $totalCashback += $cashbackAmount;
                }
            }

            //setCashback
            if ($totalCashback > 0) {
                $order->user->increment('balance', decimal_to_int($totalCashback));
                createTransaction($order->user_id, $totalCashback, TRANSACTION_CASHBACK, 'Cashback', 'Order_item (' . $order_item->id . ')', $order_item->id);
            }
        }

        $remainingBalance = $order_item->owner_balance - $distributedAmount;
        if ($remainingBalance > 0) {
            createTransaction($ownerId, $remainingBalance, TRANSACTION_SELL, 'Earning via sell', 'Order_item (' . $order_item->id . ')', $order_item->id);
            $owner_user = User::find($ownerId);
            if ($owner_user) {
                $owner_user->increment('balance', decimal_to_int($remainingBalance));
            }
        }

        if (!is_null($order_item->course_id)) {
            setEnrollment($order_item);
            setBadge($order_item->user_id);
        }

        $affiliateHistory = AffiliateHistory::whereOrderItemId($order_item->id)->first();
        if ($affiliateHistory) {
            $refUser = User::find($affiliateHistory->user_id);
            $refUser->increment('balance', decimal_to_int($affiliateHistory->commission));
            createTransaction($refUser->id, $affiliateHistory->commission, TRANSACTION_AFFILIATE, AFFILIATE_NARRATION,);
            $affiliateHistory->update(['status' => AFFILIATE_HISTORY_STATUS_PAID]);
        }
    }
}


if (!function_exists('hasLimit')) {
    function hasLimit($type, $count)
    {
        if (get_option('subscription_mode')) {
            $userPackage = UserPackage::join('packages', 'packages.id', '=', 'user_packages.package_id')->where('package_type', PACKAGE_TYPE_SUBSCRIPTION)->where('user_packages.user_id', auth()->id())->where('user_packages.status', PACKAGE_STATUS_ACTIVE)->where('enroll_date', '<=', now())->where('expired_date', '>=', now())->with('enrollments')->select('user_packages.*')->first();
            if ($type == PACKAGE_RULE_COURSE) {
                $limit = @$userPackage->course;
            } else if ($type == PACKAGE_RULE_BUNDLE_COURSE) {
                $limit = @$userPackage->bundle_course;
            } else if ($type == PACKAGE_RULE_CONSULTANCY) {
                $limit = @$userPackage->consultancy;
            }

            $used = (@$userPackage->enrollments) ? @$userPackage->enrollments->count() : 0;

            if ($limit >= ($used + $count)) {
                return true;
            }

            return false;
        } else {
            return true;
        }
    }
}

if (!function_exists('hasLimitSaaS')) {
    function hasLimitSaaS($type, $package_type, $count)
    {
        if (get_option('saas_mode')) {
            $userPackage = UserPackage::join('packages', 'packages.id', '=', 'user_packages.package_id')->where('package_type', $package_type)->where('user_packages.user_id', auth()->id())->where('user_packages.status', PACKAGE_STATUS_ACTIVE)->where('enroll_date', '<=', now())->where('expired_date', '>=', now())->select('user_packages.*')->first();
            if ($type == PACKAGE_RULE_STUDENT) {
                $limit = @$userPackage->student;
            } else if ($type == PACKAGE_RULE_COURSE) {
                $limit = @$userPackage->course;
            } else if ($type == PACKAGE_RULE_BUNDLE_COURSE) {
                $limit = @$userPackage->bundle_course;
            } else if ($type == PACKAGE_RULE_SUBSCRIPTION_COURSE) {
                $limit = @$userPackage->subscription_course;
            } else if ($type == PACKAGE_RULE_CONSULTANCY) {
                $limit = @$userPackage->consultancy;
            }

            if ($limit >= $count + 1) {
                return true;
            }

            return false;
        } else {
            return true;
        }
    }
}

if (!function_exists('getSlug')) {
    function getSlug($text)
    {
        if ($text) {
            $data = preg_replace("/[~`{}.'\"\!\@\#\$\%\^\&\*\(\)\_\=\+\/\?\>\<\,\[\]\:\;\|\\\]/", "", $text);
            $slug = preg_replace("/[\/_|+ -]+/", "-", $data);
            return $slug;
        }
        return '';
    }
}

if (!function_exists('setEnrollment')) {
    function setEnrollment($item, $expiredDays = NULL)
    {
        $enrollment = new Enrollment();
        $enrollment->order_id = $item->order_id;
        if (is_array($item->receiver_info) && count($item->receiver_info)) {
            $user = User::where('email', $item->receiver_info['receiver_email'])->first();
            $enrollment->user_id = $user->id;
        } else {
            $enrollment->user_id = $item->user_id;
        }

        $enrollment->owner_user_id = $item->owner_user_id;
        $enrollment->bundle_id = $item->bundle_id;
        $enrollment->course_id = $item->course_id;
        $enrollment->consultation_slot_id = $item->consultation_slot_id;
        if ($item->consultation_slot_id != NULL) {
            $consultationSlot = $item->consultationSlot;
            if (!is_null($consultationSlot)) {
                $fullTime = explode(' - ', $consultationSlot->time);
                $startDate = $consultationSlot->date . ' ' . date("H:i", strtotime($fullTime[0]));
                $endDate = $consultationSlot->date . ' ' . date("H:i", strtotime($fullTime[1]));
                $enrollment->start_date = date("Y-m-d H:i:s", strtotime($startDate));
                $enrollment->end_date = date("Y-m-d H:i:s", strtotime($endDate));
            }
        } elseif ($item->bundle_id != NULL) {
            //update status to deactivated if already valid in enrollment table
            Enrollment::where(['course_id' => $item->course_id, 'user_id' => auth()->id(), 'status' => ACCESS_PERIOD_ACTIVE])->where('end_date', '>=', now())->update(['status' => ACCESS_PERIOD_DEACTIVATE]);
            $enrollment->start_date = now();
            $enrollment->end_date = ($item->bundle->access_period) ? Carbon::now()->addDays($item->bundle->access_period) : MAX_EXPIRED_DATE;
        } else {
            $enrollment->start_date = now();
            if (!is_null($expiredDays)) {
                $enrollment->end_date = Carbon::now()->addDays($expiredDays);
            } else {
                $enrollment->end_date = ($item->course->access_period) ? Carbon::now()->addDays($item->course->access_period) : MAX_EXPIRED_DATE;
            }
        }

        $enrollment->save();
        return $enrollment;
    }
}


if (!function_exists('getUserRoleRelation')) {
    function getUserRoleRelation($user)
    {
        if ($user->role == USER_ROLE_INSTRUCTOR) {
            $return = 'instructor';
        } elseif ($user->role == USER_ROLE_ORGANIZATION) {
            $return = 'organization';
        } else {
            $return = 'student';
        }

        return $return;
    }
}

if (!function_exists('selectStatement')) {
    function selectStatement()
    {
        return 'case when org.id is null then ins.uuid else org.uuid end as uuid,
        case when org.id is null then ins.country_id else org.country_id end as country_id,
        case when org.id is null then ins.province_id else org.province_id end as province_id,
        case when org.id is null then ins.state_id else org.state_id end as state_id,
        case when org.id is null then ins.city_id else org.city_id end as city_id,
        case when org.id is null then ins.professional_title else org.professional_title end as professional_title,
        case when org.id is null then ins.postal_code else org.postal_code end as postal_code,
        case when org.id is null then ins.address else org.address end as address,
        case when org.id is null then ins.about_me else org.about_me end as about_me,
        case when org.id is null then ins.gender else org.gender end as gender,
        case when org.id is null then ins.social_link else org.social_link end as social_link,
        case when org.id is null then ins.slug else org.slug end as slug,
        case when org.id is null then ins.is_private else org.is_private end as is_private,
        case when org.id is null then ins.remove_from_web_search else org.remove_from_web_search end as remove_from_web_search,
        case when org.id is null then ins.is_offline else org.is_offline end as is_offline,
        case when org.id is null then ins.offline_message else org.offline_message end as offline_message,
        case when org.id is null then ins.consultation_available else org.consultation_available end as consultation_available,
        case when org.id is null then ins.hourly_rate else org.hourly_rate end as hourly_rate,
        case when org.id is null then ins.hourly_old_rate else org.hourly_old_rate end as hourly_old_rate,
        case when org.id is null then ins.available_type else org.available_type end as available_type,
        case when org.id is null then ins.created_at else org.created_at end as approval_date';
    }
}


if (!function_exists('setBadge')) {
    function setBadge($id)
    {
        $user = User::whereId($id)->with('instructor.enrollments.order')->with('organization.enrollments.order')->first();
        if ($user->role == USER_ROLE_INSTRUCTOR || $user->role == USER_ROLE_ORGANIZATION) {
            $badges = RankingLevel::all();
            $relation = getUserRoleRelation($user);

            if (!is_null($user->$relation)) {
                $enrollments = $user->$relation->enrollments;
                $approvalDuration = Carbon::parse($user->$relation->created_at)->diffInDays(now());
                $totalEarning = $enrollments->map(function ($enrollment) {
                    if ($enrollment->order) {
                        return $enrollment->order->sum('sub_total');
                    }
                })->sum();
                $totalSale = $enrollments->count();
            } else {
                $approvalDuration = Carbon::parse($user->created_at)->diffInDays(now());
                $totalSale = 0;
                $totalEarning = 0;
            }

            $totalStudentCount = Enrollment::where('owner_user_id', $user->id)->groupBy('user_id')->count();
            $totalCourse = Course::where('user_id', $user->id)->count();

            //set membership badge
            $typeArray = [RANKING_LEVEL_REGISTRATION => $approvalDuration, RANKING_LEVEL_EARNING => $totalEarning, RANKING_LEVEL_COURSES_COUNT => $totalCourse, RANKING_LEVEL_STUDENTS_COUNT => $totalStudentCount, RANKING_LEVEL_COURSES_SALE_COUNT => $totalSale];
            UserBadge::where('user_id', $user->id)->delete();
            foreach ($typeArray as $type => $value) {
                $rule = $badges->where('type', $type)->where('from', '<=', $value)->where('to', '>=', $value)->first();
                $maxRule = $badges->where('type', $type)->where('to', '<=', $value)->sortByDesc('to')->first();
                Log::info('value' . $value);
                Log::info('rule' . $rule);
                Log::info('maxRule' . $maxRule);
                $ranking_level_id = NULL;
                if (!is_null($rule)) {
                    $ranking_level_id = $rule->id;
                } elseif (!is_null($maxRule)) {
                    $ranking_level_id = $maxRule->id;
                }

                if (!is_null($ranking_level_id)) {
                    UserBadge::create(['user_id' => $user->id, 'ranking_level_id' => $ranking_level_id]);
                }
            }
        }
    }
}


if (!function_exists('getCustomerCurrentBuildVersion')) {
    function getCustomerCurrentBuildVersion()
    {
        $buildVersion = get_option('app_version');

        if (is_null($buildVersion)) {
            return 1;
        }

        return (int)$buildVersion;
    }
}

if (!function_exists('setCustomerBuildVersion')) {
    function setCustomerBuildVersion($version)
    {
        $option = Setting::firstOrCreate(['option_key' => 'app_version']);
        $option->option_value = $version;
        $option->save();
    }
}

if (!function_exists('setCustomerCurrentVersion')) {
    function setCustomerCurrentVersion()
    {
        $option = Setting::firstOrCreate(['option_key' => 'current_version']);
        $option->option_value = config('app.current_version');
        $option->save();
    }
}

if (!function_exists('get_domain_name')) {
    function get_domain_name($url)
    {
        $parseUrl = parse_url(trim($url));
        if (isset($parseUrl['host'])) {
            $host = $parseUrl['host'];
        } else {
            $path = explode('/', $parseUrl['path']);
            $host = $path[0];
        }
        return trim($host);
    }
}

if (!function_exists('getBeneficiaryDetails')) {
    function getBeneficiaryDetails($item)
    {
        $returnData = '';
        if (!is_null($item)) {
            if ($item->type == BENEFICIARY_BANK) {
                $returnData .= '<span><strong>Bank Name : </strong>' . $item->bank_name . '</span>
                <span><strong>Bank Account Number : </strong>' . $item->bank_account_number . '</span>
                <span><strong>Bank Account Name : </strong>' . $item->bank_account_name . '</span>
                <span><strong>Routing Number : </strong>' . $item->bank_routing_number . '</span>';
            } elseif ($item->type == BENEFICIARY_CARD) {
                $returnData .= '<span><strong>Card Holder Name : </strong>' . $item->card_holder_name . '</span>
                <span><strong>Card Number : </strong>' . $item->card_number . '</span>
                <span><strong>Expired Date : </strong>' . $item->expire_month . '/' . $item->expire_year . '</span>';
            } elseif ($item->type == BENEFICIARY_PAYPAL) {
                $returnData .= '<span><strong>Paypal Email : </strong>' . $item->paypal_email . '</span>';
            }
        }

        return $returnData;
    }
}

if (!function_exists('getBeneficiaryDetails')) {
    function getBeneficiaryDetails($item)
    {
        $returnData = '';
        if (!is_null($item)) {
            if ($item->type == BENEFICIARY_BANK) {
                $returnData .= '<span><strong>Bank Name : </strong>' . $item->bank_name . '</span>
                <span><strong>Bank Account Number : </strong>' . $item->bank_account_number . '</span>
                <span><strong>Bank Account Name : </strong>' . $item->bank_account_name . '</span>
                <span><strong>Routing Number : </strong>' . $item->bank_routing_number . '</span>';
            } elseif ($item->type == BENEFICIARY_CARD) {
                $returnData .= '<span><strong>Card Holder Name : </strong>' . $item->card_holder_name . '</span>
                <span><strong>Card Number : </strong>' . $item->card_number . '</span>
                <span><strong>Expired Date : </strong>' . $item->expire_month . '/' . $item->expire_year . '</span>';
            } elseif ($item->type == BENEFICIARY_PAYPAL) {
                $returnData .= '<span><strong>Paypal Email : </strong>' . $item->paypal_email . '</span>';
            }
        }

        return $returnData;
    }
}

if (!function_exists('getBeneficiaryAccountDetails')) {
    function getBeneficiaryAccountDetails($item)
    {
        $returnData = '';
        if (!is_null($item)) {
            if ($item->type == BENEFICIARY_BANK) {
                $returnData .= $item->bank_account_name . ' - ' . $item->bank_name . '[' . $item->bank_account_number . ']';
            } elseif ($item->type == BENEFICIARY_CARD) {
                $returnData .= $item->card_holder_name . ' - ' . $item->card_number;
            } elseif ($item->type == BENEFICIARY_PAYPAL) {
                $returnData .= 'Paypal - ' . $item->paypal_email;
            }
        }

        return $returnData;
    }
}
if (!function_exists('updateEnv')) {
    function updateEnv($values)
    {
        if (count($values) > 0) {
            foreach ($values as $envKey => $envValue) {
                setEnvironmentValue($envKey, $envValue);
            }
            return true;
        }
    }
}
if (!function_exists('updateManifest')) {
    function updateManifest()
    {
        $manifest = [
            "name" => get_option('app_name', 'LMSZAI'),
            "short_name" => get_option('app_name', 'LMSZAI'),
            "start_url" => route('main.index'),
            "background_color" => get_option('app_theme_color', '#5e3fd7'),
            "description" => get_option('app_name', 'LMSZAI'),
            "display" => "fullscreen",
            "theme_color" => get_option('app_theme_color', '#5e3fd7'),
            "icons" => [
                [
                    "src" => getImageFile(get_option('app_pwa_icon')),
                    "sizes" => "512x512",
                    "type" => "image/png",
                    "purpose" => "any maskable"
                ]
            ]
        ];

        file_put_contents(public_path("manifest.json"), json_encode($manifest));
    }
}
function setEnvironmentValue($envKey, $envValue)
{
    try {
        $envFile = app()->environmentFilePath();
        $str = file_get_contents($envFile);
        $str .= "\n"; // In case the searched variable is in the last line without \n
        $keyPosition = strpos($str, "{$envKey}=");
        if ($keyPosition) {
            if (PHP_OS_FAMILY === 'Windows') {
                $endOfLinePosition = strpos($str, "\n", $keyPosition);
            } else {
                $endOfLinePosition = strpos($str, PHP_EOL, $keyPosition);
            }
            $oldLine = substr($str, $keyPosition, $endOfLinePosition - $keyPosition);
            $envValue = str_replace(chr(92), "\\\\", $envValue);
            $envValue = str_replace('"', '\"', $envValue);
            $newLine = "{$envKey}=\"{$envValue}\"";
            if ($oldLine != $newLine) {
                $str = str_replace($oldLine, $newLine, $str);
                $str = substr($str, 0, -1);
                $fp = fopen($envFile, 'w');
                fwrite($fp, $str);
                fclose($fp);
            }
        } else if (strtoupper($envKey) == $envKey) {
            $envValue = str_replace(chr(92), "\\\\", $envValue);
            $envValue = str_replace('"', '\"', $envValue);
            $newLine = "{$envKey}=\"{$envValue}\"\n";
            $str .= $newLine;
            $str = substr($str, 0, -1);
            $fp = fopen($envFile, 'w');
            fwrite($fp, $str);
            fclose($fp);
        }
        return true;
    } catch (\Exception $e) {
        return false;
    }


}

if (!function_exists('getTimeZone')) {
    function getTimeZone()
    {
        return DateTimeZone::listIdentifiers(
            DateTimeZone::ALL
        );
    }
}

if (!function_exists('calculateCashback')) {
    function calculateCashback($amount)
    {
        $cashbackType = get_option('cashback_type');
        $cashbackAmount = get_option('cashback_amount');
        if ($cashbackType == 1) {
            return ($amount / 100) * $cashbackAmount;
        } else {
            return $cashbackAmount;
        }
    }
}


if (!function_exists('getCustomerCurrentBuildVersion')) {
    function getCustomerCurrentBuildVersion()
    {
        $buildVersion = get_option('build_version');

        if (is_null($buildVersion)) {
            return 1;
        }

        return (int)$buildVersion;
    }
}

if (!function_exists('getCustomerAddonBuildVersion')) {
    function getCustomerAddonBuildVersion($code)
    {
        $buildVersion = get_option($code . '_build_version', 0);
        if (is_null($buildVersion)) {
            return 0;
        }
        return (int)$buildVersion;
    }
}

if (!function_exists('isAddonInstalled')) {
    function isAddonInstalled($code)
    {
        $buildVersion = get_option($code . '_build_version', 0);
        $codeBuildVersion = getAddonCodeBuildVersion($code);
        if ($buildVersion == 0 || $codeBuildVersion == 0) {
            return false;
        }
        return true;
    }
}

if (!function_exists('setCustomerAddonCurrentVersion')) {
    function setCustomerAddonCurrentVersion($code)
    {
        $option = Setting::firstOrCreate(['option_key' => $code . '_current_version']);
        $option->option_value = getAddonCodeCurrentVersion($code);
        $option->save();
    }
}

if (!function_exists('setCustomerAddonBuildVersion')) {
    function setCustomerAddonBuildVersion($code, $version)
    {
        $option = Setting::firstOrCreate(['option_key' => $code . '_build_version']);
        $option->option_value = $version;
        $option->save();
    }
}


if (!function_exists('getAddonCodeCurrentVersion')) {
    function getAddonCodeCurrentVersion($appCode)
    {
        Artisan::call("optimize:clear");
        return config('Addon.' . $appCode . '.current_version', 0);
    }
}

if (!function_exists('getAddonCodeBuildVersion')) {
    function getAddonCodeBuildVersion($appCode)
    {
        Artisan::call("optimize:clear");
        return config('Addon.' . $appCode . '.build_version', 0);
    }
}

if (!function_exists('openAIService')) {
    function openAIService($input = NULL)
    {
        if (is_null($input)) {
            return OpenAIPrompt::where('status', STATUS_APPROVED)->select(['id', 'is_image', 'category'])->get();
        } else {
            return OpenAIPrompt::where('status', STATUS_APPROVED)->where('id', $input)->first();
        }
    }
}

if (!function_exists('isEnableOpenAI')) {
    function isEnableOpenAI()
    {
        $role = auth()->user()?->role;
        return isAddonInstalled('LMSZAIAI') && in_array($role, [USER_ROLE_INSTRUCTOR, USER_ROLE_ORGANIZATION, USER_ROLE_ADMIN]) && get_option('open_ai_system');
    }
}

if (!function_exists('getMeta')) {
    function getMeta($slug)
    {
        $metaData = [
            'meta_title' => null,
            'meta_description' => null,
            'meta_keyword' => null,
            'og_image' => null,
        ];

        $meta = Meta::where('slug', $slug)->select([
            'meta_title',
            'meta_description',
            'meta_keyword',
            'og_image',
        ])->first();

        if (!is_null($meta)) {
            $metaData = $meta->toArray();
        } else {
            $meta = Meta::where('slug', 'default')->select([
                'meta_title',
                'meta_description',
                'meta_keyword',
                'og_image',
            ])->first();

            if (!is_null($meta)) {
                $metaData = $meta->toArray();
            }
        }

        $metaData['meta_title'] = $metaData['meta_title'] != NULL ? $metaData['meta_title'] : get_option('app_name');
        $metaData['meta_description'] = $metaData['meta_description'] != NULL ? $metaData['meta_description'] : get_option('app_name');
        $metaData['meta_keyword'] = $metaData['meta_keyword'] != NULL ? $metaData['meta_keyword'] : get_option('app_name');
        $metaData['og_image'] = $metaData['og_image'] != NULL ? getImageFile($metaData['og_image']) : getImageFile(get_option('app_logo'));

        return $metaData;
    }
}

if (!function_exists('getThemePath')) {
    function getThemePath()
    {
        $theme = get_option('theme', THEME_DEFAULT);
        if ($theme == THEME_DEFAULT) {
            return 'frontend';
        }

        return 'frontend-theme-' . $theme;
    }
}


if (!function_exists('getEmailTemplate')) {
    function getEmailTemplate($slug, $data)
    {
        $template = NotificationEmailTemplate::where(['slug' => $slug])->where('status', 1)->first();
        $emailData['content'] = replaceTemplateFields($template->body ?? '', $data);
        $emailData['subject'] = replaceTemplateFields($template->subject ?? '', $data);
        $emailData['status'] = !is_null($template);

        return $emailData;
    }

}

if (!function_exists('replaceTemplateFields')) {
    function replaceTemplateFields($template, $data)
    {
        $replacements = [
            '{{app_contact_number}}' => get_option('app_contact_number'),
            '{{app_email}}' => get_option('app_email'),
            '{{app_name}}' => get_option('app_name'),
        ];

        // Exclude 'user' key from $data
        unset($data['user']);

        $replacements = array_merge($replacements, $data);

        return str_replace(array_keys($replacements), array_values($replacements), $template);
    }
}

if (!function_exists('commonEmailSend')) {
    function commonEmailSend($email, $emailData, $force = 0)
    {
        try {
            if(get_option('enable_email_notification', false) || $force){
                if(is_array($email)){
                    $to = $email[0];
                    unset($email[0]);
                    Mail::to($to)->bcc($email)->send(new EmailNotify($emailData));
                }else{
                    Mail::to($email)->send(new EmailNotify($emailData));
                }
            }
            return true;
        } catch (\Exception $exception) {
            return false;
        }
    }
}

if (!function_exists('isVLInstall')) {
    function isVLInstall()
    {
        return Cache::remember(implode('', ['li','c','e','ns','e','_','ve','r','if','i','c','a','ti','on']), 86400, function () {
            try {
                $lastCheck = get_option('leck');

                if ($lastCheck && now()->diffInSeconds($lastCheck) < 86400) {
                    return get_option('vldl');
                }

                $site = get_domain_name(Request::fullUrl());
                $key = decrypt(get_option('cpk'));
            } catch (\Exception $e) {
                $key = '';
            }

            $cs = '\App\Http\Controllers\Auth\\' . implode('', ['Lt','c','C','on','t','r','ol','l','er']);

            $controller = new $cs;
            $result = $controller->validateKey($key, $site, 'vl', Request::ip());

            // Return the validation status
            return $result['status'];
        });
    }
}

if (!function_exists('getHostFromURL')) {
    function getHostFromURL($url)
    {
        // Remove scheme (http://, https://) from the URL
        $url = preg_replace('#^https?://#', '', $url);

        // Remove www. if present
        $url = preg_replace('#^www\.#', '', $url);

        // Extract the domain name
        $parts = explode('/', $url);
        $domain = array_shift($parts);

        return $domain;
    }
}