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Current File : /home/fdshops/public_html/app/Utils/Util.php
<?php

namespace App\Utils;

use App\Business;
use App\BusinessLocation;
use App\Contact;
use App\Product;
use App\ReferenceCount;
use App\System;
use App\Transaction;
use App\TransactionSellLine;
use App\Unit;
use App\User;
use App\VariationLocationDetails;
use Config;
use DB;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Spatie\Permission\Models\Role;

class Util
{
    /**
     * This function unformats a number and returns them in plain eng format
     *
     * @param  int  $input_number
     * @return float
     */
    public function num_uf($input_number, $currency_details = null)
    {
        $thousand_separator = '';
        $decimal_separator = '';

        if (! empty($currency_details)) {
            $thousand_separator = $currency_details->thousand_separator;
            $decimal_separator = $currency_details->decimal_separator;
        } else {
            $thousand_separator = session()->has('currency') ? session('currency')['thousand_separator'] : '';
            $decimal_separator = session()->has('currency') ? session('currency')['decimal_separator'] : '';
        }

        $num = str_replace($thousand_separator, '', $input_number);
        $num = str_replace($decimal_separator, '.', $num);

        return (float) $num;
    }

    /**
     * This function formats a number and returns them in specified format
     *
     * @param  int  $input_number
     * @param  bool  $add_symbol = false
     * @param  array  $business_details = null
     * @param  bool  $is_quantity = false; If number represents quantity
     * @return string
     */
    public function num_f($input_number, $add_symbol = false, $business_details = null, $is_quantity = false)
    {
        $thousand_separator = ! empty($business_details) ? $business_details->thousand_separator : session('currency')['thousand_separator'];
        $decimal_separator = ! empty($business_details) ? $business_details->decimal_separator : session('currency')['decimal_separator'];

        $currency_precision = ! empty($business_details) ? $business_details->currency_precision : session('business.currency_precision', 2);

        if ($is_quantity) {
            $currency_precision = ! empty($business_details) ? $business_details->quantity_precision : session('business.quantity_precision', 2);
        }

        $formatted = number_format($input_number, $currency_precision, $decimal_separator, $thousand_separator);

        if ($add_symbol) {
            $currency_symbol_placement = ! empty($business_details) ? $business_details->currency_symbol_placement : session('business.currency_symbol_placement');
            $symbol = ! empty($business_details) ? $business_details->currency_symbol : session('currency')['symbol'];

            if ($currency_symbol_placement == 'after') {
                $formatted = $formatted.' '.$symbol;
            } else {
                $formatted = $symbol.' '.$formatted;
            }
        }

        return $formatted;
    }

    /**
     * Calculates percentage for a given number
     *
     * @param  int  $number
     * @param  int  $percent
     * @param  int  $addition default = 0
     * @return float
     */
    public function calc_percentage($number, $percent, $addition = 0)
    {
        return $addition + ($number * ($percent / 100));
    }

    /**
     * Calculates base value on which percentage is calculated
     *
     * @param  int  $number
     * @param  int  $percent
     * @return float
     */
    public function calc_percentage_base($number, $percent)
    {
        return ($number * 100) / (100 + $percent);
    }

    /**
     * Calculates percentage
     *
     * @param  int  $base
     * @param  int  $number
     * @return float
     */
    public function get_percent($base, $number)
    {
        if ($base == 0) {
            return 0;
        }

        $diff = $number - $base;

        return ($diff / $base) * 100;
    }

    //Returns all avilable purchase statuses
    public function orderStatuses()
    {
        return ['received' => __('lang_v1.received'), 'pending' => __('lang_v1.pending'), 'ordered' => __('lang_v1.ordered')];
    }

    /**
     * Defines available Payment Types
     *
     * @return array
     */
    public function payment_types($location = null, $show_advance = false, $business_id = null)
    {
        if (! empty($location)) {
            $location = is_object($location) ? $location : BusinessLocation::find($location);

            //Get custom label from business settings
            $custom_labels = Business::find($location->business_id)->custom_labels;
            $custom_labels = json_decode($custom_labels, true);
        } else {
            if (! empty($business_id)) {
                $custom_labels = Business::find($business_id)->custom_labels;
                $custom_labels = json_decode($custom_labels, true);
            } else {
                $custom_labels = [];
            }
        }

        $payment_types = ['cash' => __('lang_v1.cash'), 'card' => __('lang_v1.card'), 'cheque' => __('lang_v1.cheque'), 'bank_transfer' => __('lang_v1.bank_transfer'), 'other' => __('lang_v1.other')];

        $payment_types['custom_pay_1'] = ! empty($custom_labels['payments']['custom_pay_1']) ? $custom_labels['payments']['custom_pay_1'] : __('lang_v1.custom_payment', ['number' => 1]);
        $payment_types['custom_pay_2'] = ! empty($custom_labels['payments']['custom_pay_2']) ? $custom_labels['payments']['custom_pay_2'] : __('lang_v1.custom_payment', ['number' => 2]);
        $payment_types['custom_pay_3'] = ! empty($custom_labels['payments']['custom_pay_3']) ? $custom_labels['payments']['custom_pay_3'] : __('lang_v1.custom_payment', ['number' => 3]);
        $payment_types['custom_pay_4'] = ! empty($custom_labels['payments']['custom_pay_4']) ? $custom_labels['payments']['custom_pay_4'] : __('lang_v1.custom_payment', ['number' => 4]);
        $payment_types['custom_pay_5'] = ! empty($custom_labels['payments']['custom_pay_5']) ? $custom_labels['payments']['custom_pay_5'] : __('lang_v1.custom_payment', ['number' => 5]);
        $payment_types['custom_pay_6'] = ! empty($custom_labels['payments']['custom_pay_6']) ? $custom_labels['payments']['custom_pay_6'] : __('lang_v1.custom_payment', ['number' => 6]);
        $payment_types['custom_pay_7'] = ! empty($custom_labels['payments']['custom_pay_7']) ? $custom_labels['payments']['custom_pay_7'] : __('lang_v1.custom_payment', ['number' => 7]);

        //Unset payment types if not enabled in business location
        if (! empty($location)) {
            $location_account_settings = ! empty($location->default_payment_accounts) ? json_decode($location->default_payment_accounts, true) : [];
            $enabled_accounts = [];
            foreach ($location_account_settings as $key => $value) {
                if (! empty($value['is_enabled'])) {
                    $enabled_accounts[] = $key;
                }
            }
            foreach ($payment_types as $key => $value) {
                if (! in_array($key, $enabled_accounts)) {
                    unset($payment_types[$key]);
                }
            }
        }

        if ($show_advance) {
            $payment_types = ['advance' => __('lang_v1.advance')] + $payment_types;
        }

        return $payment_types;
    }

    /**
     * Returns the list of modules enabled
     *
     * @return array
     */
    public function allModulesEnabled($business_id = null)
    {
        $enabled_modules = session()->has('business') ? session('business')['enabled_modules'] : null;

        if (! session()->has('business') && ! empty($business_id)) {
            $enabled_modules = Business::find($business_id)->enabled_modules;
        }
        $enabled_modules = (! empty($enabled_modules) && $enabled_modules != 'null') ? $enabled_modules : [];

        return $enabled_modules;
        //Module::has('Restaurant');
    }

    /**
     * Returns the list of modules enabled
     *
     * @return array
     */
    public function isModuleEnabled($module, $business_id = null)
    {
        $enabled_modules = $this->allModulesEnabled($business_id);
        if (in_array($module, $enabled_modules)) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * Converts date in business format to mysql format
     *
     * @param  string  $date
     * @param  bool  $time (default = false)
     * @return strin
     */
    public function uf_date($date, $time = false)
    {
        $date_format = session('business.date_format');
        $mysql_format = 'Y-m-d';
        if ($time) {
            if (session('business.time_format') == 12) {
                $date_format = $date_format.' h:i A';
            } else {
                $date_format = $date_format.' H:i';
            }
            $mysql_format = 'Y-m-d H:i:s';
        }

        return ! empty($date_format) ? \Carbon::createFromFormat($date_format, $date)->format($mysql_format) : null;
    }

    /**
     * Converts time in business format to mysql format
     *
     * @param  string  $time
     * @return strin
     */
    public function uf_time($time)
    {
        $time_format = 'H:i';
        if (session('business.time_format') == 12) {
            $time_format = 'h:i A';
        }

        return ! empty($time_format) ? \Carbon::createFromFormat($time_format, $time)->format('H:i') : null;
    }

    /**
     * Converts time in business format to mysql format
     *
     * @param  string  $time
     * @return strin
     */
    public function format_time($time)
    {
        $time_format = 'H:i';
        if (session('business.time_format') == 12) {
            $time_format = 'h:i A';
        }

        return ! empty($time) ? \Carbon::createFromFormat('H:i:s', $time)->format($time_format) : null;
    }

    /**
     * Converts date in mysql format to business format
     *
     * @param  string  $date
     * @param  bool  $time (default = false)
     * @return strin
     */
    public function format_date($date, $show_time = false, $business_details = null)
    {
        $format = ! empty($business_details) ? $business_details->date_format : session('business.date_format');
        if (! empty($show_time)) {
            $time_format = ! empty($business_details) ? $business_details->time_format : session('business.time_format');
            if ($time_format == 12) {
                $format .= ' h:i A';
            } else {
                $format .= ' H:i';
            }
        }

        return ! empty($date) ? \Carbon::createFromTimestamp(strtotime($date))->format($format) : null;
    }

    /**
     * Increments reference count for a given type and given business
     * and gives the updated reference count
     *
     * @param  string  $type
     * @param  int  $business_id
     * @return int
     */
    public function setAndGetReferenceCount($type, $business_id = null)
    {
        if (empty($business_id)) {
            $business_id = request()->session()->get('user.business_id');
        }

        $ref = ReferenceCount::where('ref_type', $type)
            ->where('business_id', $business_id)
            ->first();
        if (! empty($ref)) {
            $ref->ref_count += 1;
            $ref->save();

            return $ref->ref_count;
        } else {
            $new_ref = ReferenceCount::create([
                'ref_type' => $type,
                'business_id' => $business_id,
                'ref_count' => 1,
            ]);

            return $new_ref->ref_count;
        }
    }

    /**
     * Generates reference number
     *
     * @param  string  $type
     * @param  int  $business_id
     * @return int
     */
    public function generateReferenceNumber($type, $ref_count, $business_id = null, $default_prefix = null)
    {
        $prefix = '';

        if (session()->has('business') && ! empty(request()->session()->get('business.ref_no_prefixes')[$type])) {
            $prefix = request()->session()->get('business.ref_no_prefixes')[$type];
        }
        if (! empty($business_id)) {
            $business = Business::find($business_id);
            $prefixes = $business->ref_no_prefixes;
            $prefix = ! empty($prefixes[$type]) ? $prefixes[$type] : '';
        }

        if (! empty($default_prefix)) {
            $prefix = $default_prefix;
        }

        $ref_digits = str_pad($ref_count, 4, 0, STR_PAD_LEFT);

        if (! in_array($type, ['contacts', 'business_location', 'username'])) {
            $ref_year = \Carbon::now()->year;
            $ref_number = $prefix.$ref_year.'/'.$ref_digits;
        } else {
            $ref_number = $prefix.$ref_digits;
        }

        return $ref_number;
    }

    /**
     * Checks if the given user is admin
     *
     * @param  obj  $user
     * @param  int  $business_id
     * @return bool
     */
    public function is_admin($user, $business_id = null)
    {
        $business_id = empty($business_id) ? $user->business_id : $business_id;

        return $user->hasRole('Admin#'.$business_id) ? true : false;
    }

    /**
     * Checks if the feature is allowed in demo
     *
     * @return mixed
     */
    public function notAllowedInDemo()
    {
        //Disable in demo
        if (config('app.env') == 'demo') {
            $output = [
                'success' => 0,
                'msg' => __('lang_v1.disabled_in_demo'),
            ];
            if (request()->ajax()) {
                return $output;
            } else {
                return back()->with('status', $output);
            }
        }
    }

    private function sendSmsViaNexmo($data)
    {
        $sms_settings = $data['sms_settings'];

        if (empty($sms_settings['nexmo_key']) || empty($sms_settings['nexmo_secret'])) {
            return false;
        }

        Config::set('nexmo.api_key', $sms_settings['nexmo_key']);
        Config::set('nexmo.api_secret', $sms_settings['nexmo_secret']);

        // $nexmo = app('Nexmo\Client');
        $client = new Client();

        $headers = [
            'Content-Type' => 'application/json',
        ];

        $numbers = explode(',', trim($data['mobile_number']));

        foreach ($numbers as $number) {
            $body = json_encode([
                'api_key' => $sms_settings['nexmo_key'],
                'api_secret' => $sms_settings['nexmo_secret'],
                'to' => $number,
                'from' => $sms_settings['nexmo_from'],
                'text' => $data['sms_body'],
            ]);

            $request = new \GuzzleHttp\Psr7\Request('POST', 'https://rest.nexmo.com/sms/json', $headers, $body);
            
            $response = $client->sendAsync($request)->wait();
        }
    }

    private function sendSmsViaTwilio($data)
    {
        $sms_settings = $data['sms_settings'];

        if (empty($sms_settings['twilio_sid']) || empty($sms_settings['twilio_token'])) {
            return false;
        }

        $twilio = new \Aloha\Twilio\Twilio($sms_settings['twilio_sid'], $sms_settings['twilio_token'], $sms_settings['twilio_from']);

        $numbers = explode(',', trim($data['mobile_number']));
        foreach ($numbers as $number) {
            $twilio->message($number, $data['sms_body']);
        }
    }

    /**
     * Sends SMS notification.
     *
     * @param  array  $data
     * @return void
     */
    public function sendSms($data)
    {
        $sms_settings = $data['sms_settings'];
        $sms_service = isset($sms_settings['sms_service']) ? $sms_settings['sms_service'] : 'other';

        if ($sms_service == 'nexmo') {
            return $this->sendSmsViaNexmo($data);
        }

        if ($sms_service == 'twilio') {
            return $this->sendSmsViaTwilio($data);
        }

        $request_data = [
            $sms_settings['send_to_param_name'] => $data['mobile_number'],
            $sms_settings['msg_param_name'] => $data['sms_body'],
        ];

        if (! empty($sms_settings['param_1'])) {
            $request_data[$sms_settings['param_1']] = $sms_settings['param_val_1'];
        }
        if (! empty($sms_settings['param_2'])) {
            $request_data[$sms_settings['param_2']] = $sms_settings['param_val_2'];
        }
        if (! empty($sms_settings['param_3'])) {
            $request_data[$sms_settings['param_3']] = $sms_settings['param_val_3'];
        }
        if (! empty($sms_settings['param_4'])) {
            $request_data[$sms_settings['param_4']] = $sms_settings['param_val_4'];
        }
        if (! empty($sms_settings['param_5'])) {
            $request_data[$sms_settings['param_5']] = $sms_settings['param_val_5'];
        }
        if (! empty($sms_settings['param_6'])) {
            $request_data[$sms_settings['param_6']] = $sms_settings['param_val_6'];
        }
        if (! empty($sms_settings['param_7'])) {
            $request_data[$sms_settings['param_7']] = $sms_settings['param_val_7'];
        }
        if (! empty($sms_settings['param_8'])) {
            $request_data[$sms_settings['param_8']] = $sms_settings['param_val_8'];
        }
        if (! empty($sms_settings['param_9'])) {
            $request_data[$sms_settings['param_9']] = $sms_settings['param_val_9'];
        }
        if (! empty($sms_settings['param_10'])) {
            $request_data[$sms_settings['param_10']] = $sms_settings['param_val_10'];
        }

        $client = new Client();

        $headers = [];
        if (! empty($sms_settings['header_1'])) {
            $headers[$sms_settings['header_1']] = $sms_settings['header_val_1'];
        }
        if (! empty($sms_settings['header_2'])) {
            $headers[$sms_settings['header_2']] = $sms_settings['header_val_2'];
        }
        if (! empty($sms_settings['header_3'])) {
            $headers[$sms_settings['header_3']] = $sms_settings['header_val_3'];
        }

        $options = [];
        if (! empty($headers)) {
            $options['headers'] = $headers;
        }

        if (empty($sms_settings['url'])) {
            return false;
        }

        if ($sms_settings['request_method'] == 'get') {
            $response = $client->get($sms_settings['url'].'?'.http_build_query($request_data), $options);
        } else {
            $options['form_params'] = $request_data;

            $response = $client->post($sms_settings['url'], $options);
        }

        return $response;
    }

    /**
     * Generates Whatsapp notification link
     *
     * @param  array  $data
     * @return string
     */
    public function getWhatsappNotificationLink($data)
    {
        //Supports only integers without leading zeros
        $whatsapp_number = abs((int) filter_var($data['mobile_number'], FILTER_SANITIZE_NUMBER_INT));
        $text = $data['whatsapp_text'];

        $base_url = config('constants.whatsapp_base_url').'/'.$whatsapp_number;

        return $base_url.'?text='.urlencode($text);
    }

    /**
     * Retrieves sub units of a base unit
     *
     * @param  int  $business_id
     * @param  int  $unit_id
     * @param  bool  $return_main_unit_if_empty = false
     * @param  int  $product_id = null
     * @return array
     */
    public function getSubUnits($business_id, $unit_id, $return_main_unit_if_empty = false, $product_id = null)
    {
        $unit = Unit::where('business_id', $business_id)
            ->with(['sub_units'])
            ->findOrFail($unit_id);

        //Find related subunits for the product.
        $related_sub_units = [];
        if (! empty($product_id)) {
            $product = Product::where('business_id', $business_id)->findOrFail($product_id);
            $related_sub_units = $product->sub_unit_ids;
        }

        $sub_units = [];

        //Add main unit as per given parameter or conditions.
        if (($return_main_unit_if_empty && count($unit->sub_units) == 0)) {
            $sub_units[$unit->id] = [
                'name' => $unit->actual_name,
                'multiplier' => 1,
                'allow_decimal' => $unit->allow_decimal,
            ];
        } elseif (empty($related_sub_units) || in_array($unit->id, $related_sub_units)) {
            $sub_units[$unit->id] = [
                'name' => $unit->actual_name,
                'multiplier' => 1,
                'allow_decimal' => $unit->allow_decimal,
            ];
        }

        if (count($unit->sub_units) > 0) {
            foreach ($unit->sub_units as $sub_unit) {
                //Check if subunit is related to the product or not.
                if (empty($related_sub_units) || in_array($sub_unit->id, $related_sub_units)) {
                    $sub_units[$sub_unit->id] = [
                        'name' => $sub_unit->actual_name,
                        'multiplier' => $sub_unit->base_unit_multiplier,
                        'allow_decimal' => $sub_unit->allow_decimal,
                    ];
                }
            }
        }

        return $sub_units;
    }

    public function getMultiplierOf2Units($base_unit_id, $unit_id)
    {
        if ($base_unit_id == $unit_id || is_null($base_unit_id) || is_null($unit_id)) {
            return 1;
        }

        $unit = Unit::where('base_unit_id', $base_unit_id)
            ->where('id', $unit_id)
            ->first();
        if (empty($unit)) {
            return 1;
        } else {
            return $unit->base_unit_multiplier;
        }
    }

    /**
     * Generates unique token
     *
     * @param void
     * @return string
     */
    public function generateToken()
    {
        return md5(rand(1, 10).microtime());
    }

    /**
     * Generates invoice url for the transaction
     *
     * @param  int  $transaction_id, int $business_id
     * @return string
     */
    public function getInvoiceUrl($transaction_id, $business_id)
    {
        $transaction = Transaction::where('business_id', $business_id)
            ->findOrFail($transaction_id);

        if (empty($transaction->invoice_token)) {
            $transaction->invoice_token = $this->generateToken();
            $transaction->save();
        }

        if ($transaction->is_quotation == 1) {
            return route('show_quote', ['token' => $transaction->invoice_token]);
        }

        return route('show_invoice', ['token' => $transaction->invoice_token]);
    }

    /**
     * Generates payment link for the transaction
     *
     * @param  int  $transaction_id, int $business_id
     * @return string
     */
    public function getInvoicePaymentLink($transaction_id, $business_id)
    {
        $transaction = Transaction::where('business_id', $business_id)
            ->findOrFail($transaction_id);

        if (empty($transaction->invoice_token)) {
            $transaction->invoice_token = $this->generateToken();
            $transaction->save();
        }

        if ($transaction->payment_status != 'paid' && $transaction->status == 'final') {
            return route('invoice_payment', ['token' => $transaction->invoice_token]);
        } else {
            return '';
        }
    }

    /**
     * Uploads document to the server if present in the request
     *
     * @param  obj  $request, string $file_name, string dir_name
     * @return string
     */
    public function uploadFile($request, $file_name, $dir_name, $file_type = 'document')
    {
        //If app environment is demo return null
        if (config('app.env') == 'demo') {
            return null;
        }

        $uploaded_file_name = null;
        if ($request->hasFile($file_name) && $request->file($file_name)->isValid()) {

            //Check if mime type is image
            if ($file_type == 'image') {
                if (strpos($request->$file_name->getClientMimeType(), 'image/') === false) {
                    throw new \Exception('Invalid image file');
                }
            }

            if ($file_type == 'document') {
                if (! in_array($request->$file_name->getClientMimeType(), array_keys(config('constants.document_upload_mimes_types')))) {
                    throw new \Exception('Invalid document file');
                }
            }

            if ($request->$file_name->getSize() <= config('constants.document_size_limit')) {
                $new_file_name = time().'_'.$request->$file_name->getClientOriginalName();
                if ($request->$file_name->storeAs($dir_name, $new_file_name)) {
                    $uploaded_file_name = $new_file_name;
                }
            }
        }

        return $uploaded_file_name;
    }

    public function serviceStaffDropdown($business_id, $location_id = null)
    {
        return $this->getServiceStaff($business_id, $location_id, true);
    }

    public function getServiceStaff($business_id, $location_id = null, $for_dropdown = false)
    {
        $waiters = [];
        //Get all service staff roles
        $service_staff_roles = Role::where('business_id', $business_id)
            ->where('is_service_staff', 1)
            ->pluck('name')
            ->toArray();

        //Get all users of service staff roles
        if (! empty($service_staff_roles)) {
            $waiters = User::where('business_id', $business_id)
                ->role($service_staff_roles);

            if (! empty($location_id)) {
                $waiters->permission(['location.'.$location_id, 'access_all_locations']);
            }

            if ($for_dropdown) {
                $waiters = $waiters->select('id', DB::raw('CONCAT(COALESCE(first_name, ""), " ", COALESCE(last_name, "")) as full_name'))->get()->pluck('full_name', 'id');
            } else {
                $waiters = $waiters->get();
            }
        }

        return $waiters;
    }

    /**
     * Replaces tags from notification body with original value
     *
     * @param  text  $body
     * @param  int  $transaction_id
     * @return array
     */
    public function replaceTags($business_id, $data, $transaction, $contact = null)
    {
        if (! empty($transaction) && ! is_object($transaction)) {
            $transaction = Transaction::where('business_id', $business_id)
                ->with(['contact', 'payment_lines'])
                ->findOrFail($transaction);
        }

        $business = ! is_object($business_id) ? Business::with(['currency'])->findOrFail($business_id) : $business_id;

        $contact = empty($transaction->contact) ? $contact : $transaction->contact;

        foreach ($data as $key => $value) {
            //Replace contact name
            if (strpos($value, '{contact_name}') !== false) {
                $contact_name = empty($contact) ? $transaction->contact->name : $contact->name;

                $data[$key] = str_replace('{contact_name}', $contact_name, $data[$key]);
            }

            //Replace invoice number
            if (strpos($value, '{invoice_number}') !== false) {
                $invoice_number = $transaction->type == 'sell' ? $transaction->invoice_no : '';

                $data[$key] = str_replace('{invoice_number}', $invoice_number, $data[$key]);
            }

            //Replace ref number
            if (strpos($value, '{order_ref_number}') !== false) {
                $order_ref_number = $transaction->ref_no;

                $data[$key] = str_replace('{order_ref_number}', $order_ref_number, $data[$key]);
            }
            //Replace total_amount
            if (strpos($value, '{total_amount}') !== false) {
                $total_amount = $this->num_f($transaction->final_total, true, $business->currency);

                $data[$key] = str_replace('{total_amount}', $total_amount, $data[$key]);
            }

            $total_paid = 0;
            $payment_ref_number = [];
            if (! empty($transaction)) {
                foreach ($transaction->payment_lines as $payment) {
                    if ($payment->is_return != 1) {
                        $total_paid += $payment->amount;
                        $payment_ref_number[] = $payment->payment_ref_no;
                    }
                }
            }

            $paid_amount = $this->num_f($total_paid, true, $business->currency);

            //Replace paid_amount
            if (strpos($value, '{paid_amount}') !== false) {
                $data[$key] = str_replace('{paid_amount}', $paid_amount, $data[$key]);
            }

            //Replace received_amount
            if (strpos($value, '{received_amount}') !== false) {
                $data[$key] = str_replace('{received_amount}', $paid_amount, $data[$key]);
            }

            //Replace payment_ref_number
            if (strpos($value, '{payment_ref_number}') !== false) {
                $data[$key] = str_replace('{payment_ref_number}', implode(', ', $payment_ref_number), $data[$key]);
            }

            //Replace due_amount
            if (strpos($value, '{due_amount}') !== false) {
                $due = $transaction->final_total - $total_paid;
                $due_amount = $this->num_f($due, true, $business->currency);

                $data[$key] = str_replace('{due_amount}', $due_amount, $data[$key]);
            }

            //Replace business_name
            if (strpos($value, '{business_name}') !== false) {
                $business_name = $business->name;
                $data[$key] = str_replace('{business_name}', $business_name, $data[$key]);
            }

            //Replace business_logo
            if (strpos($value, '{business_logo}') !== false) {
                $logo_name = $business->logo;
                $business_logo = ! empty($logo_name) ? '<img src="'.url('uploads/business_logos/'.$logo_name).'" alt="Business Logo" >' : '';

                $data[$key] = str_replace('{business_logo}', $business_logo, $data[$key]);
            }

            //Replace invoice_url
            if (! empty($transaction) && strpos($value, '{invoice_url}') !== false && $transaction->type == 'sell') {
                $invoice_url = $this->getInvoiceUrl($transaction->id, $transaction->business_id);
                $data[$key] = str_replace('{invoice_url}', $invoice_url, $data[$key]);
            }

            if (! empty($transaction) && strpos($value, '{quote_url}') !== false && $transaction->type == 'sell') {
                $invoice_url = $this->getInvoiceUrl($transaction->id, $transaction->business_id);
                $data[$key] = str_replace('{quote_url}', $invoice_url, $data[$key]);
            }

            if (strpos($value, '{cumulative_due_amount}') !== false) {
                $due = $this->getContactDue($transaction->contact_id);
                $data[$key] = str_replace('{cumulative_due_amount}', $due, $data[$key]);
            }

            if (strpos($value, '{due_date}') !== false) {
                $due_date = $transaction->due_date;
                if (! empty($due_date)) {
                    $due_date = $this->format_date($due_date->toDateTimeString(), true);
                }
                $data[$key] = str_replace('{due_date}', $due_date, $data[$key]);
            }

            if (strpos($value, '{contact_business_name}') !== false) {
                $contact_business_name = ! empty($transaction->contact->supplier_business_name) ? $transaction->contact->supplier_business_name : '';
                $data[$key] = str_replace('{contact_business_name}', $contact_business_name, $data[$key]);
            }
            if (! empty($transaction->location)) {
                if (strpos($value, '{location_name}') !== false) {
                    $location = $transaction->location->name;

                    $data[$key] = str_replace('{location_name}', $location, $data[$key]);
                }

                if (strpos($value, '{location_address}') !== false) {
                    $location_address = $transaction->location->location_address;

                    $data[$key] = str_replace('{location_address}', $location_address, $data[$key]);
                }

                if (strpos($value, '{location_email}') !== false) {
                    $location_email = $transaction->location->email;

                    $data[$key] = str_replace('{location_email}', $location_email, $data[$key]);
                }

                if (strpos($value, '{location_phone}') !== false) {
                    $location_phone = $transaction->location->mobile;

                    $data[$key] = str_replace('{location_phone}', $location_phone, $data[$key]);
                }

                if (strpos($value, '{location_custom_field_1}') !== false) {
                    $location_custom_field_1 = $contact->custom_field1;

                    $data[$key] = str_replace('{location_custom_field_1}', $location_custom_field_1, $data[$key]);
                }

                if (strpos($value, '{location_custom_field_2}') !== false) {
                    $location_custom_field_2 = $transaction->location->custom_field2;

                    $data[$key] = str_replace('{location_custom_field_2}', $location_custom_field_2, $data[$key]);
                }

                if (strpos($value, '{location_custom_field_3}') !== false) {
                    $location_custom_field_3 = $transaction->location->custom_field3;

                    $data[$key] = str_replace('{location_custom_field_3}', $location_custom_field_3, $data[$key]);
                }

                if (strpos($value, '{location_custom_field_4}') !== false) {
                    $location_custom_field_4 = $transaction->location->custom_field4;

                    $data[$key] = str_replace('{location_custom_field_4}', $location_custom_field_4, $data[$key]);
                }
            }

            if (strpos($value, '{contact_custom_field_1}') !== false) {
                $contact_custom_field_1 = $contact->custom_field1 ?? '';
                $data[$key] = str_replace('{contact_custom_field_1}', $contact_custom_field_1, $data[$key]);
            }

            if (strpos($value, '{contact_custom_field_2}') !== false) {
                $contact_custom_field_2 = $contact->custom_field2 ?? '';
                $data[$key] = str_replace('{contact_custom_field_2}', $contact_custom_field_2, $data[$key]);
            }

            if (strpos($value, '{contact_custom_field_3}') !== false) {
                $contact_custom_field_3 = $contact->custom_field3 ?? '';
                $data[$key] = str_replace('{contact_custom_field_3}', $contact_custom_field_3, $data[$key]);
            }

            if (strpos($value, '{contact_custom_field_4}') !== false) {
                $contact_custom_field_4 = $contact->custom_field4 ?? '';
                $data[$key] = str_replace('{contact_custom_field_4}', $contact_custom_field_4, $data[$key]);
            }

            if (strpos($value, '{contact_custom_field_5}') !== false) {
                $contact_custom_field_5 = $contact->custom_field5 ?? '';
                $data[$key] = str_replace('{contact_custom_field_5}', $contact_custom_field_5, $data[$key]);
            }

            if (strpos($value, '{contact_custom_field_6}') !== false) {
                $contact_custom_field_6 = $contact->custom_field6 ?? '';
                $data[$key] = str_replace('{contact_custom_field_6}', $contact_custom_field_6, $data[$key]);
            }

            if (strpos($value, '{contact_custom_field_7}') !== false) {
                $contact_custom_field_7 = $contact->custom_field7 ?? '';
                $data[$key] = str_replace('{contact_custom_field_7}', $contact_custom_field_7, $data[$key]);
            }
            if (strpos($value, '{contact_custom_field_8}') !== false) {
                $contact_custom_field_8 = $contact->custom_field8 ?? '';
                $data[$key] = str_replace('{contact_custom_field_8}', $contact_custom_field_8, $data[$key]);
            }
            if (strpos($value, '{contact_custom_field_9}') !== false) {
                $contact_custom_field_9 = $contact->custom_field9 ?? '';
                $data[$key] = str_replace('{contact_custom_field_9}', $contact_custom_field_9, $data[$key]);
            }
            if (strpos($value, '{contact_custom_field_10}') !== false) {
                $contact_custom_field_10 = $contact->custom_field10 ?? '';
                $data[$key] = str_replace('{contact_custom_field_10}', $contact_custom_field_10, $data[$key]);
            }

            if (strpos($value, '{sell_custom_field_1}') !== false) {
                $sell_custom_field_1 = $transaction->custom_field_1 ?? '';
                $data[$key] = str_replace('{sell_custom_field_1}', $sell_custom_field_1, $data[$key]);
            }
            if (strpos($value, '{sell_custom_field_2}') !== false) {
                $sell_custom_field_2 = $transaction->custom_field_2 ?? '';
                $data[$key] = str_replace('{sell_custom_field_2}', $sell_custom_field_2, $data[$key]);
            }
            if (strpos($value, '{sell_custom_field_3}') !== false) {
                $sell_custom_field_3 = $transaction->custom_field_3 ?? '';
                $data[$key] = str_replace('{sell_custom_field_3}', $sell_custom_field_3, $data[$key]);
            }
            if (strpos($value, '{sell_custom_field_4}') !== false) {
                $sell_custom_field_4 = $transaction->custom_field_4 ?? '';
                $data[$key] = str_replace('{sell_custom_field_4}', $sell_custom_field_4, $data[$key]);
            }

            if (strpos($value, '{purchase_custom_field_1}') !== false) {
                $purchase_custom_field_1 = $transaction->custom_field_1 ?? '';
                $data[$key] = str_replace('{purchase_custom_field_1}', $purchase_custom_field_1, $data[$key]);
            }
            if (strpos($value, '{purchase_custom_field_2}') !== false) {
                $purchase_custom_field_2 = $transaction->custom_field_2 ?? '';
                $data[$key] = str_replace('{purchase_custom_field_2}', $purchase_custom_field_2, $data[$key]);
            }
            if (strpos($value, '{purchase_custom_field_3}') !== false) {
                $purchase_custom_field_3 = $transaction->custom_field_3 ?? '';
                $data[$key] = str_replace('{purchase_custom_field_3}', $purchase_custom_field_3, $data[$key]);
            }
            if (strpos($value, '{purchase_custom_field_4}') !== false) {
                $purchase_custom_field_4 = $transaction->custom_field_4 ?? '';
                $data[$key] = str_replace('{purchase_custom_field_4}', $purchase_custom_field_4, $data[$key]);
            }

            if (strpos($value, '{shipping_custom_field_1}') !== false) {
                $shipping_custom_field_1 = $transaction->shipping_custom_field_1 ?? '';
                $data[$key] = str_replace('{shipping_custom_field_1}', $shipping_custom_field_1, $data[$key]);
            }

            if (strpos($value, '{shipping_custom_field_2}') !== false) {
                $shipping_custom_field_2 = $transaction->shipping_custom_field_2 ?? '';
                $data[$key] = str_replace('{shipping_custom_field_2}', $shipping_custom_field_2, $data[$key]);
            }

            if (strpos($value, '{shipping_custom_field_3}') !== false) {
                $shipping_custom_field_3 = $transaction->shipping_custom_field_3 ?? '';
                $data[$key] = str_replace('{shipping_custom_field_3}', $shipping_custom_field_3, $data[$key]);
            }

            if (strpos($value, '{shipping_custom_field_4}') !== false) {
                $shipping_custom_field_4 = $transaction->shipping_custom_field_4 ?? '';
                $data[$key] = str_replace('{shipping_custom_field_4}', $shipping_custom_field_4, $data[$key]);
            }

            if (strpos($value, '{shipping_custom_field_5}') !== false) {
                $shipping_custom_field_5 = $transaction->shipping_custom_field_5 ?? '';
                $data[$key] = str_replace('{shipping_custom_field_5}', $shipping_custom_field_5, $data[$key]);
            }
        }

        return $data;
    }

    public function getCronJobCommand()
    {
        if (function_exists('exec')) {
            $php_binary_path = exec('which php');
        } else {
            $php_binary_path = PHP_BINARY;
        }

        if (empty($php_binary_path)) {
            // Use a default fallback or handle the case where 'which php' doesn't return a valid path
            $php_binary_path = 'php';
        }

        $command = '* * * * * '.$php_binary_path.' '.base_path('artisan').' schedule:run >> /dev/null 2>&1';

        if (config('app.env') == 'demo') {
            $command = '';
        }

        return $command;
    }

    /**
     * Checks whether mail is configured or not
     *
     * @return bool
     */
    public function IsMailConfigured()
    {
        $is_mail_configured = false;

        if (
            ! empty(env('MAIL_MAILER')) &&
            ! empty(env('MAIL_HOST')) &&
            ! empty(env('MAIL_PORT')) &&
            ! empty(env('MAIL_USERNAME')) &&
            ! empty(env('MAIL_PASSWORD')) &&
            ! empty(env('MAIL_FROM_ADDRESS'))
        ) {
            $is_mail_configured = true;
        }

        return $is_mail_configured;
    }

    /**
     * Returns the list of barcode types
     *
     * @return array
     */
    public function barcode_types()
    {
        $types = ['C128' => 'Code 128 (C128)', 'C39' => 'Code 39 (C39)', 'EAN13' => 'EAN-13', 'EAN8' => 'EAN-8', 'UPCA' => 'UPC-A', 'UPCE' => 'UPC-E'];

        return $types;
    }

    /**
     * Returns the default barcode.
     *
     * @return string
     */
    public function barcode_default()
    {
        return 'C128';
    }

    /**
     * Retrieves user role name.
     *
     * @return string
     */
    public function getUserRoleName($user_id)
    {
        $user = User::findOrFail($user_id);

        $roles = $user->getRoleNames();

        $role_name = '';

        if (! empty($roles[0])) {
            $array = explode('#', $roles[0], 2);
            $role_name = ! empty($array[0]) ? $array[0] : '';
        }

        return $role_name;
    }

    /**
     * Retrieves all admins of a business
     *
     * @param  int  $business_id
     * @return obj
     */
    public function get_admins($business_id)
    {
        $admins = User::role('Admin#'.$business_id)->get();

        return $admins;
    }

    /**
     * Retrieves IP address of the user
     *
     * @return string
     */
    public function getUserIpAddr()
    {
        if (! empty($_SERVER['HTTP_CLIENT_IP'])) {
            //ip from share internet
            $ip = $_SERVER['HTTP_CLIENT_IP'];
        } elseif (! empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            //ip pass from proxy
            $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        } else {
            $ip = $_SERVER['REMOTE_ADDR'];
        }

        return $ip;
    }

    /**
     * This function updates the stock of products present in combo product and also updates transaction sell line.
     *
     * @param  array  $lines
     * @param  int  $location_id
     * @param  bool  $adjust_stock = true
     * @return void
     */
    public function updateEditedSellLineCombo($lines, $location_id, $adjust_stock = true)
    {
        if (empty($lines)) {
            return true;
        }

        $change_percent = null;

        foreach ($lines as $key => $line) {
            $prev_line = TransactionSellLine::find($line['transaction_sell_lines_id']);

            $difference = $prev_line->quantity - $line['quantity'];
            if ($difference != 0) {
                //Update stock in variation location details table.
                //Adjust Quantity in variations location table
                if ($adjust_stock) {
                    VariationLocationDetails::where('variation_id', $line['variation_id'])
                        ->where('product_id', $line['product_id'])
                        ->where('location_id', $location_id)
                        ->increment('qty_available', $difference);
                }

                //Update the child line quantity
                $prev_line->quantity = $line['quantity'];
                $prev_line->save();
            }

            //Recalculate the price.
            if (is_null($change_percent)) {
                $parent = TransactionSellLine::findOrFail($prev_line->parent_sell_line_id);
                $child_sum = TransactionSellLine::where('parent_sell_line_id', $prev_line->parent_sell_line_id)
                    ->select(DB::raw('SUM(unit_price_inc_tax * quantity) as total_price'))
                    ->first()
                    ->total_price;

                $change_percent = $this->get_percent($child_sum, $parent->unit_price_inc_tax * $parent->quantity);
            }

            $price = $this->calc_percentage($prev_line->unit_price_inc_tax, $change_percent, $prev_line->unit_price_inc_tax);
            $prev_line->unit_price_before_discount = $price;
            $prev_line->unit_price = $price;
            $prev_line->unit_price_inc_tax = $price;

            $prev_line->save();
        }
    }

    /**
     * Generates string to calculate sum of purchase line quantity used
     */
    public function get_pl_quantity_sum_string($table_name = '')
    {
        $table_name = ! empty($table_name) ? $table_name.'.' : '';
        $string = $table_name.'quantity_sold + '.$table_name.'quantity_adjusted + '.$table_name.'quantity_returned + '.$table_name.'mfg_quantity_used';

        return $string;
    }

    public function shipping_statuses()
    {
        $statuses = [
            'ordered' => __('lang_v1.ordered'),
            'packed' => __('lang_v1.packed'),
            'shipped' => __('lang_v1.shipped'),
            'delivered' => __('lang_v1.delivered'),
            'cancelled' => __('restaurant.cancelled'),
        ];

        return $statuses;
    }

    /**
     * Retrieves sum of due amount of a contact
     *
     * @param  int  $contact_id
     * @return mixed
     */
    public function getContactDue($contact_id, $business_id = null)
    {
        $query = Contact::where('contacts.id', $contact_id)
            ->join('transactions AS t', 'contacts.id', '=', 't.contact_id')
            ->whereIn('t.type', ['sell', 'opening_balance', 'purchase'])
            ->select(
                DB::raw("SUM(IF(t.status = 'final' AND t.type = 'sell', final_total, 0)) as total_invoice"),
                DB::raw("SUM(IF(t.type = 'purchase', final_total, 0)) as total_purchase"),
                DB::raw("SUM(IF(t.status = 'final' AND t.type = 'sell', (SELECT SUM(IF(is_return = 1,-1*amount,amount)) FROM transaction_payments WHERE transaction_payments.transaction_id=t.id), 0)) as total_paid"),
                DB::raw("SUM(IF(t.type = 'purchase', (SELECT SUM(amount) FROM transaction_payments WHERE transaction_payments.transaction_id=t.id), 0)) as purchase_paid"),
                DB::raw("SUM(IF(t.type = 'opening_balance', final_total, 0)) as opening_balance"),
                DB::raw("SUM(IF(t.type = 'opening_balance', (SELECT SUM(amount) FROM transaction_payments WHERE transaction_payments.transaction_id=t.id), 0)) as opening_balance_paid")
            );
        if (! empty($business_id)) {
            $query->where('contacts.business_id', $business_id);
        }

        $contact_payments = $query->first();
        $due = $contact_payments->total_invoice + $contact_payments->total_purchase - $contact_payments->total_paid - $contact_payments->purchase_paid + $contact_payments->opening_balance - $contact_payments->opening_balance_paid;

        return $due;
    }

    public function getDays()
    {
        return [
            'sunday' => __('lang_v1.sunday'),
            'monday' => __('lang_v1.monday'),
            'tuesday' => __('lang_v1.tuesday'),
            'wednesday' => __('lang_v1.wednesday'),
            'thursday' => __('lang_v1.thursday'),
            'friday' => __('lang_v1.friday'),
            'saturday' => __('lang_v1.saturday'),
        ];
    }

    public function parseNotifications($notifications)
    {
        $notifications_data = [];
        foreach ($notifications as $notification) {
            $data = $notification->data;
            if (in_array($notification->type, [\App\Notifications\RecurringInvoiceNotification::class, \App\Notifications\RecurringExpenseNotification::class])) {
                $msg = '';
                $icon_class = '';
                $link = '';
                if (
                    $notification->type ==
                    \App\Notifications\RecurringInvoiceNotification::class
                ) {
                    $msg = ! empty($data['invoice_status']) && $data['invoice_status'] == 'draft' ?
                        __(
                            'lang_v1.recurring_invoice_error_message',
                            ['product_name' => $data['out_of_stock_product'], 'subscription_no' => ! empty($data['subscription_no']) ? $data['subscription_no'] : '']
                        ) :
                        __(
                            'lang_v1.recurring_invoice_message',
                            ['invoice_no' => ! empty($data['invoice_no']) ? $data['invoice_no'] : '', 'subscription_no' => ! empty($data['subscription_no']) ? $data['subscription_no'] : '']
                        );
                    $icon_class = ! empty($data['invoice_status']) && $data['invoice_status'] == 'draft' ? 'fas fa-exclamation-triangle bg-yellow' : 'fas fa-recycle bg-green';
                    $link = action([\App\Http\Controllers\SellPosController::class, 'listSubscriptions']);
                } elseif (
                    $notification->type ==
                    \App\Notifications\RecurringExpenseNotification::class
                ) {
                    $msg = __(
                        'lang_v1.recurring_expense_message',
                        ['ref_no' => $data['ref_no']]
                    );
                    $icon_class = 'fas fa-recycle bg-green';
                    $link = action([\App\Http\Controllers\ExpenseController::class, 'index']);
                }

                $notifications_data[] = [
                    'msg' => $msg,
                    'icon_class' => $icon_class,
                    'link' => $link,
                    'read_at' => $notification->read_at,
                    'created_at' => $notification->created_at->diffForHumans(),
                ];
            } else {
                $moduleUtil = new \App\Utils\ModuleUtil;
                $module_notification_data = $moduleUtil->getModuleData('parse_notification', $notification);
                if (! empty($module_notification_data)) {
                    foreach ($module_notification_data as $module_data) {
                        if (! empty($module_data)) {
                            $notifications_data[] = $module_data;
                        }
                    }
                }
            }
        }

        return $notifications_data;
    }

    /**
     * Formats number to words
     * Requires php-intl extension
     *
     * @return string
     */
    public function numToWord($number, $lang = null, $format = 'international')
    {
        if ($format == 'indian') {
            return $this->numToIndianFormat($number);
        }

        if (! extension_loaded('intl')) {
            return '';
        }

        if (empty($lang)) {
            $lang = ! empty(auth()->user()) ? auth()->user()->language : 'en';
        }

        $f = new \NumberFormatter($lang, \NumberFormatter::SPELLOUT);

        return $f->format($number);
    }

    /**
     * Formats number to words in indian format
     *
     * @return string
     */
    public function numToIndianFormat(float $number)
    {
        $decimal = round($number - ($no = floor($number)), 2) * 100;
        $hundred = null;
        $digits_length = strlen($no);
        $i = 0;
        $str = [];
        $words = [
            0 => '', 1 => 'one', 2 => 'two',
            3 => 'three', 4 => 'four', 5 => 'five', 6 => 'six',
            7 => 'seven', 8 => 'eight', 9 => 'nine',
            10 => 'ten', 11 => 'eleven', 12 => 'twelve',
            13 => 'thirteen', 14 => 'fourteen', 15 => 'fifteen',
            16 => 'sixteen', 17 => 'seventeen', 18 => 'eighteen',
            19 => 'nineteen', 20 => 'twenty', 30 => 'thirty',
            40 => 'forty', 50 => 'fifty', 60 => 'sixty',
            70 => 'seventy', 80 => 'eighty', 90 => 'ninety',
        ];
        $digits = ['', 'hundred', 'thousand', 'lakh', 'crore'];
        while ($i < $digits_length) {
            $divider = ($i == 2) ? 10 : 100;
            $number = floor($no % $divider);
            $no = floor($no / $divider);
            $i += $divider == 10 ? 1 : 2;
            if ($number) {
                $plural = (($counter = count($str)) && $number > 9) ? 's' : null;
                $hundred = ($counter == 1 && $str[0]) ? ' and ' : null;
                $str[] = ($number < 21) ? $words[$number].' '.$digits[$counter].$plural.' '.$hundred : $words[floor($number / 10) * 10].' '.$words[$number % 10].' '.$digits[$counter].$plural.' '.$hundred;
            } else {
                $str[] = null;
            }
        }
        $whole_number_part = implode('', array_reverse($str));
        $decimal_part = ($decimal > 0) ? ' point '.($words[$decimal / 10].' '.$words[$decimal % 10]) : '';

        return ($whole_number_part ? $whole_number_part : '').$decimal_part;
    }

    public function getCustomLabels($business, $type = null)
    {
        $business = is_object($business) ? $business : Business::find($business);
        //Get custom label from business settings
        $custom_labels = $business->custom_labels;
        $custom_labels = json_decode($custom_labels, true);

        if (! empty($type) && isset($custom_labels[$type])) {
            return $custom_labels[$type];
        }

        return $custom_labels;
    }

    /**
     * Logs activities to database
     *
     * @param $on object Model instance
     * @param $action string name of the operation performed on the model instance
     * @param $before object Previous state of the model instance
     * @param $properties array Extra properties to be saved along with model properties
     * update_note key to directly show message in note section,
     * from_api key to show api client if added from api
     * @param $log_changes boolean whether to log changes to modal properties
     * @return string
     */
    public function activityLog($on, $action = null, $before = null, $properties = [], $log_changes = true, $business_id = null)
    {
        if ($log_changes) {
            $log_properties = $on->log_properties ?? [];
            foreach ($log_properties as $property) {
                if (isset($on->$property)) {
                    $properties['attributes'][$property] = $on->$property;
                }

                if (! empty($before) && isset($before->$property)) {
                    $properties['old'][$property] = $before->$property;
                }
            }
        }

        //Check if session has business id
        $business_id = session()->has('business') ? session('business.id') : $business_id;

        //Check if subject has business id
        if (empty($business_id) && ! empty($on->business_id)) {
            $business_id = $on->business_id;
        }

        $business = session()->has('business') ? session('business') : Business::find($business_id);

        date_default_timezone_set($business->time_zone);

        $activity = activity()
            ->performedOn($on)
            ->withProperties($properties)
            ->log($action);

        $activity->business_id = $business_id;
        $activity->save();
    }

    public function getBackupCleanCronJobCommand()
    {
        $php_binary_path = empty(PHP_BINARY) ? 'php' : PHP_BINARY;

        $command = '* * * * * '.$php_binary_path.' '.base_path('artisan').' backup:clean >> /dev/null 2>&1';

        if (config('app.env') == 'demo') {
            $command = '';
        }

        return $command;
    }

    /**
     * Get location from latitude and longitude
     * Uses Google's Geocoding api
     *
     * @param $lat string latitude
     * @param $long string longitude
     * @return string
     */
    public function getLocationFromCoordinates($lat, $long)
    {
        try {
            $access_token = env('GOOGLE_MAP_API_KEY');
            $full_address = null;
            $address = [];
            if (! empty($access_token)) {
                $client = new Client();
                $url = "https://maps.googleapis.com/maps/api/geocode/json?latlng={$lat},{$long}&key={$access_token}";

                $response = $client->get($url);

                $address = json_decode($response->getBody()->getContents(), true);
            } else {
                $client = new Client();

                $this->client = new Client([
                    'base_uri' => 'https://nominatim.openstreetmap.org/',
                    'timeout' => 10,
                    'verify' => false,
                    'headers' => [
                        'User-Agent' => 'pos'  // Add a User-Agent header
                    ],
                ]);

                try {
                    $request = $this->client->get('reverse', [
                        'query' => [
                            'lat' => $lat,
                            'lon' => $long,
                            'format' => 'json',
                            'accept-language' => 'en',
                        ],
                    ]);

                    if ($request->getStatusCode() == 200) {
                        $result = json_decode($request->getBody()->getContents());
                        if (! empty($result->display_name)) {
                            $address = ['formatted_address' => $result->display_name];
                        }
                    }
                } catch (\Exception $e) {
                    return null;
                }
            }

            if (! empty($address['results'][0]['formatted_address'])) {
                $full_address = $address['results'][0]['formatted_address'];
            } elseif (! empty($address['formatted_address'])) {
                $full_address = $address['formatted_address'];
            }

            return $full_address;
        } catch (\Exception $e) {
            return null;
        }
    }

    public function roundQuantity($quantity)
    {
        $quantity_precision = session('business.quantity_precision', 2);

        return round($quantity, $quantity_precision);
    }

    public function getDropdownForRoles($business_id)
    {
        $app_roles = Role::where('business_id', $business_id)
            ->pluck('name', 'id');

        $roles = [];
        foreach ($app_roles as $key => $value) {
            $roles[$key] = str_replace('#'.$business_id, '', $value);
        }

        return $roles;
    }

    /**
     * Register user
     */
    public function createUser($request)
    {
        $user_details = $request->only([
            'surname', 'first_name', 'last_name', 'email',
            'user_type', 'crm_contact_id', 'allow_login', 'username', 'password',
            'cmmsn_percent', 'max_sales_discount_percent', 'dob', 'gender', 'marital_status', 'blood_group', 'contact_number', 'alt_number', 'family_number', 'fb_link',
            'twitter_link', 'social_media_1', 'social_media_2', 'custom_field_1',
            'custom_field_2', 'custom_field_3', 'custom_field_4', 'guardian_name', 'id_proof_name', 'id_proof_number', 'permanent_address', 'current_address', 'bank_details', 'selected_contacts', 'is_enable_service_staff_pin', 'service_staff_pin',
        ]);

        $user_details['status'] = ! empty($request->input('is_active')) ? $request->input('is_active') : 'inactive';
        $user_details['user_type'] = ! empty($user_details['user_type']) ? $user_details['user_type'] : 'user';

        $user_details['is_enable_service_staff_pin'] = ! empty($request->input('is_enable_service_staff_pin')) ? true : false;

        $business_id = Auth::user()->business_id;
        $user_details['business_id'] = $business_id;

        //Check if subscribed or not, then check for users quota
        if ($user_details['user_type'] == 'user') {
            $moduleUtil = new \App\Utils\ModuleUtil;
            if (! $moduleUtil->isSubscribed($business_id)) {
                return $moduleUtil->expiredResponse();
            } elseif (! $moduleUtil->isQuotaAvailable('users', $business_id)) {
                return $moduleUtil->quotaExpiredResponse('users', $business_id, action([\App\Http\Controllers\ManageUserController::class, 'index']));
            }
        }

        if (empty($user_details['allow_login']) || ! $user_details['allow_login']) {
            unset($user_details['username']);
            unset($user_details['password']);
            $user_details['allow_login'] = 0;
        } else {
            $user_details['allow_login'] = 1;
        }

        $user_details['selected_contacts'] = isset($user_details['selected_contacts']) ? $user_details['selected_contacts'] : 0;

        $user_details['bank_details'] = ! empty($user_details['bank_details']) ? json_encode($user_details['bank_details']) : null;

        $user_details['password'] = $user_details['allow_login'] ? Hash::make($user_details['password']) : null;

        if ($user_details['allow_login']) {
            if (empty($user_details['username'])) {
                $ref_count = $this->setAndGetReferenceCount('username', $business_id);
                $user_details['username'] = $this->generateReferenceNumber('username', $ref_count, $business_id);
            }

            if ($user_details['user_type'] == 'user') {
                $username_ext = $this->getUsernameExtension();
                if (! empty($username_ext)) {
                    $user_details['username'] .= $username_ext;
                }
            }
        }

        //Create the user
        $user = User::create($user_details);

        if ($user_details['user_type'] == 'user') {
            $role = Role::findOrFail($request->input('role'));

            //Remove Location permissions from role
            $this->revokeLocationPermissionsFromRole($role);

            $user->assignRole($role->name);

            //Grant Location permissions
            $this->giveLocationPermissions($user, $request);

            //Assign selected contacts
            if ($user_details['selected_contacts'] == 1) {
                $contact_ids = $request->get('selected_contact_ids');
                $user->contactAccess()->sync($contact_ids);
            }

            //Save module fields for user
            $moduleUtil = new \App\Utils\ModuleUtil;
            $moduleUtil->getModuleData('afterModelSaved', ['event' => 'user_saved', 'model_instance' => $user]);
            $this->activityLog($user, 'added', null, ['name' => $user->user_full_name], true, $business_id);
        }

        return $user;
    }

    /**
     * Get user name extension
     */
    public function getUsernameExtension()
    {
        $business_id = Auth::user()->business_id;

        $extension = ! empty(System::getProperty('enable_business_based_username')) ? '-'.str_pad($business_id, 2, 0, STR_PAD_LEFT) : null;

        return $extension;
    }

    /**
     * Revoke location permission from role
     */
    public function revokeLocationPermissionsFromRole($role)
    {
        if ($role->hasPermissionTo('access_all_locations')) {
            $role->revokePermissionTo('access_all_locations');
        }

        $business_id = Auth::user()->business_id;

        $all_locations = BusinessLocation::where('business_id', $business_id)->get();
        foreach ($all_locations as $location) {
            if ($role->hasPermissionTo('location.'.$location->id)) {
                $role->revokePermissionTo('location.'.$location->id);
            }
        }
    }

    /**
     * Adds or updates location permissions of a user
     */
    public function giveLocationPermissions($user, $request)
    {
        $permitted_locations = $user->permitted_locations();
        $permissions = $request->input('access_all_locations');
        $location_permissions = $request->input('location_permissions');
        $revoked_permissions = [];

        //during api call if access_all_locations = 1 then generate location permissions
        if (($permissions != 'access_all_locations') && $permissions == 1) {
            $permissions = 'access_all_locations';
            $location_ids = $request->input('location_permissions');
            $location_permissions = [];
            if (! empty($location_ids)) {
                foreach ($location_ids as $location_id) {
                    $location_permissions[] = 'location.'.$location_id;
                }
            }
        }

        //If not access all location then revoke permission
        if ($permitted_locations == 'all' && $permissions != 'access_all_locations') {
            $user->revokePermissionTo('access_all_locations');
        }

        //Include location permissions
        if (empty($permissions) && ! empty($location_permissions)) {
            $permissions = [];
            foreach ($location_permissions as $location_permission) {
                $permissions[] = $location_permission;
            }

            if (is_array($permitted_locations)) {
                foreach ($permitted_locations as $key => $value) {
                    if (! in_array('location.'.$value, $permissions)) {
                        $revoked_permissions[] = 'location.'.$value;
                    }
                }
            }
        }

        if (! empty($revoked_permissions)) {
            $user->revokePermissionTo($revoked_permissions);
        }

        if (! empty($permissions)) {
            $user->givePermissionTo($permissions);
        } else {
            //if no location permission given revoke previous permissions
            if (! empty($permitted_locations)) {
                $revoked_permissions = [];
                foreach ($permitted_locations as $key => $value) {
                    $revoke_permissions[] = 'location.'.$value;
                }

                $user->revokePermissionTo($revoke_permissions);
            }
        }
    }


    function getDateRange($timePeriod)
    {
        switch ($timePeriod) {
            case 'today':
                $start = \Carbon::now()->startOfDay();
                $end = \Carbon::now()->endOfDay();
                break;

            case 'yesterday':
                $start = \Carbon::now()->subDay()->startOfDay();
                $end = \Carbon::now()->subDay()->endOfDay();
                break;

            case 'last_7_days':
                $start = \Carbon::now()->subDays(6)->startOfDay();
                $end = \Carbon::now()->endOfDay();
                break;

            case 'last_30_days':
                $start = \Carbon::now()->subDays(29)->startOfDay();
                $end = \Carbon::now()->endOfDay();
                break;

            case 'this_month':
                $start = \Carbon::now()->startOfMonth();
                $end = \Carbon::now()->endOfMonth();
                break;

            case 'last_month':
                $start = \Carbon::now()->subMonth()->startOfMonth();
                $end = \Carbon::now()->subMonth()->endOfMonth();
                break;

            case 'this_month_last_year':
                $start = \Carbon::now()->subYear()->startOfMonth();
                $end = \Carbon::now()->subYear()->endOfMonth();
                break;

            case 'this_year':
                $start = \Carbon::now()->startOfYear();
                $end = \Carbon::now()->endOfYear();
                break;

            case 'last_year':
                $start = \Carbon::now()->subYear()->startOfYear();
                $end = \Carbon::now()->subYear()->endOfYear();
                break;

                case 'current_financial_year':
                    // Assuming financial year starts in April
                    $start = \Carbon\Carbon::now()->month >= 4 ? \Carbon\Carbon::now()->startOfYear()->month(4)->startOfMonth() : \Carbon\Carbon::now()->subYear()->startOfYear()->month(4)->startOfMonth();
                    $end = \Carbon\Carbon::now()->month >= 4 ? \Carbon\Carbon::now()->startOfYear()->month(4)->startOfMonth()->addYear()->subDay() : \Carbon\Carbon::now()->startOfYear()->subDay();
                    break;
        
                case 'last_financial_year':
                    // Assuming financial year starts in April
                    $start = \Carbon\Carbon::now()->subYear()->month >= 4 ? \Carbon\Carbon::now()->subYear()->startOfYear()->month(4)->startOfMonth() : \Carbon\Carbon::now()->subYears(2)->startOfYear()->month(4)->startOfMonth();
                    $end = \Carbon\Carbon::now()->subYear()->month >= 4 ? \Carbon\Carbon::now()->subYear()->startOfYear()->month(4)->startOfMonth()->addYear()->subDay() : \Carbon\Carbon::now()->subYear()->startOfYear()->subDay();
                    break;
        
                default:
                $start = null;
                $end = null;
                break;
        }

        return ['start' => $start, 'end' => $end];
    }

}

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