thetool/application/WarehouseShippingNote/WarehouseShippingNoteController.php

<?php

class WarehouseShippingNoteController extends TTCrud {
    protected string $headerTitle = 'Lieferscheine';
    protected bool $createText = false;

    //@formatter:off
    protected array $columns = [
        ['key' => 'id', 'text' => 'LS-Nr.', 'required' => false, 'modal' => false, 'table' => ['class' => 'text-nowrap']],
        ['key' => 'billingAddressId', 'text' => 'Rechnungsadresse', 'required' => true, 'type' => 'autocomplete', 'table' => ['class' => 'text-nowrap', 'filter' => 'autocomplete'], 'modal' => ['apiUrl' => 'Address/api?do=findAddress', 'items' => '/Address/Api?do=findAddress', 'type' => 'autocomplete']],
        ['key' => 'deliveryAddressName', 'text' => 'L.-Adr. Name', 'required' => true],
        ['key' => 'deliveryAddressLine', 'text' => 'L.-Adr.', 'required' => true],
        ['key' => 'deliveryAddressPLZ', 'text' => 'L.-Adr. PLZ', 'required' => true],
        ['key' => 'deliveryAddressEMail', 'text' => 'L.-Adr. EMail', 'required' => false, 'table' => false],
        ['key' => 'note', 'text' => 'Art der Arbeit', 'required' => true, 'table' => false],
        ['key' => 'status', 'text' => 'Status', 'required' => true, 'table' => ['filter' => 'select'], 'modal' => ['type' => 'select', 'items' => [['value' => 'new', 'text' => 'Neu'], ['value' => 'in_progress', 'text' => 'In Bearbeitung'], ['value' => 'accepted', 'text' => 'Akzeptiert'], ['value' => 'invoiced', 'text' => 'In Rechnung gestellt'],]]],
        ['key' => 'positions', 'text' => 'Positionen', 'required' => true, 'table' => false, 'modal' => false],
        ['key' => 'create', 'text' => 'Erstellt', 'required' => false, 'modal' => ['visible' => false], 'table' => ['filter' => 'date']],
        ['key' => 'createBy', 'text' => 'Erstellt von', 'required' => false, 'type' => 'autocomplete', 'table' => ['class' => 'text-nowrap', 'filter' => 'select'], 'modal' => ['items' => [], 'type' => 'select',]],
        ['key' => 'actions', 'text' => 'Aktionen', 'required' => false, 'modal' => false, 'table' => ['filter' => false, 'sortable' => false, 'class' => 'text-center']],];

    protected array $defaultOrder = ['key' => 'create', 'order' => 'DESC'];

    protected array $additionalActions = [['key' => 'openHistory', 'title' => 'Historie', 'class' => 'fas fa-history text-primary'],
                                          ['key' => 'print', 'title' => 'Drucken', 'class' => 'fas fa-print text-primary'],
                                          ['key' => 'printWithPrice', 'title' => 'Drucken mit Preis', 'class' => 'fas fa-print text-success'],
    ];

    protected array $additionalJSVariables = ['WAREHOUSE_ADMIN' => true];

    protected array $infoMessages = ['create' => 'Lieferschein wurde erstellt.',
                                     'update' => 'Lieferschein wurde aktualisiert',
                                     'delete' => 'Lieferschein wurde gelöscht',
                                     'noChanges' => 'Keine Änderungen vorgenommen'];
    //@formatter:on

    protected function prepareCrudConfig() {
        $users = array_map(function ($user) {
            return ['value' => intval($user->id), 'text' => $user->name];
        }, UserModel::search(['employee' => true]));

        $this->columns[array_search('createBy', array_column($this->columns, 'key'))]['modal']['items'] = $users;

        if (!$this->user->can('WarehouseAdmin')) {
            $this->additionalJSVariables['WAREHOUSE_ADMIN'] = false;
        }
    }

    protected function beforeCreate($postData): bool {
        // if postdata status is not new we return an error
        if ($postData['status'] !== 'new') {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Status muss "Neu" sein']);
            die();
        }

        foreach ($postData['hoursEntries'] as $hoursEntry) {
            if (!preg_match('/^[0-9,.]*$/', $hoursEntry['hourCount'])) {
                http_response_code(500);
                self::returnJson(['success' => false, 'message' => 'Stundenanzahl darf nur Zahlen, Komma oder Punkt enthalten']);
                die();
            }
        }

        $postData['positions'] = json_encode($postData['positions']);
        return true;
    }

    protected function customAutoCompleteBillingAddressId($id) {
        $address = new Address($id);
        if ($address->id) {
            $result = ['id' => $address->id,
                       'title' => str_replace("'", "\\'", str_replace(["\n",
                                                                       "\r"], " ", $address->getCompanyOrName())) . " (" . $address->zip . " " . $address->city . ", " . $address->street . ")" . (($address->customer_number) ? " [" . $address->customer_number . "]" : "")];
            return $result;
        }
        return null;
    }

    protected function beforeUpdate($postData): bool {
        $shippingNote = WarehouseShippingNoteModel::get($postData['id']);
        if ($shippingNote->status === 'accepted' || $shippingNote->status === 'invoiced') {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Änderungen nicht mehr möglich']);
            die();
        }

        foreach ($postData['hoursEntries'] as $hoursEntry) {
            if (!preg_match('/^[0-9,.]*$/', $hoursEntry['hourCount'])) {
                http_response_code(500);
                self::returnJson(['success' => false, 'message' => 'Stundenanzahl darf nur Zahlen, Komma oder Punkt enthalten']);
                die();
            }
        }

        $postData['positions'] = json_encode($postData['positions']);
        (new WarehouseHistoryController)->create($postData, $this->mod);
        return true;
    }

    protected function getHistoryAction() {
        $historyEntries = [];

        // remove all history elements where key is positions

        foreach ((new WarehouseHistoryController)->getHistory($this->request->id, $this->mod, $this->columns) as $entry) {
            if ($entry['key'] !== 'positions') {
                $historyEntries[] = $entry;
            }
        }

//        $historyEntries = array_filter($historyEntries, function ($entry) {
//            return $entry['key'] !== 'positions';
//        });

        self::returnJson($historyEntries);
    }

    protected function getArticleAddressPriceAction() {
        $articleId = $this->request->articleId;
        $addressId = $this->request->addressId;

        if (strlen($articleId) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Keine Artikel ID gefunden']);
        }

        if (strlen($addressId) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Keine Adress ID gefunden']);
        }

        //TODO: implement a select to select price category for each address
        // for now we default with price with name "Verkauf"
        $prices = WarehouseArticlePriceTypeModel::getAll(['title' => 'Verkauf']);
        // if array is empty we return an error
        if (empty($prices)) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Keine Preiskategorie gefunden']);
        }
        $priceType = $prices[0]->title;

        $article = WarehouseArticleModel::get($articleId);
        $sellPrices = json_decode($article->cheapestSellPrice, true);
        $sellPrice = array_search($priceType, array_column($sellPrices, 'title'));

        if (empty($sellPrice)) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Kein Preis gefunden']);
        }

        self::returnJson(['success' => true, 'price' => $sellPrices[$sellPrice]['price']]);
    }

    protected function getDeliveryAddressesAction() {
        $billingAddressId = $this->request->billingAddressId;
        if (strlen($billingAddressId) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Keine Rechnungsadresse gefunden']);
        }

        $deliveryAddresses = WarehouseShippingNoteModel::getAll(['billingAddressId' => $billingAddressId]);
        // TODO: maybe this should be improved as it is kinda hacky
        $result = [];
        foreach ($deliveryAddresses as $deliveryAddress) {
            $found = false;
            foreach ($result as $r) {
                if ($r->deliveryAddressName == $deliveryAddress->deliveryAddressName && $r->deliveryAddressLine == $deliveryAddress->deliveryAddressLine) {
                    $found = true;
                    break;
                }
            }
            if ($found) {
                continue;
            }
            $result[] = $deliveryAddress;
        }

        self::returnJson($result);
    }

    protected function getAllTextElementsAction() {
        $textElements = WarehouseShippingNoteTextElementModel::getAll();
        self::returnJson($textElements);
    }

    protected function signAction() {
        $id = $this->request->id;
        if (strlen($id) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Lieferschein wurde nicht gefunden']);
        }

        $shippingNote = WarehouseShippingNoteModel::get($id);

        if ($shippingNote->signature || $shippingNote->signatureName) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Lieferschein wurde bereits unterschrieben']);
        }
        $post = json_decode(file_get_contents('php://input'), true);

        $shippingNote = (array) $shippingNote;
        $shippingNote['signature'] = $post['signature'];
        $shippingNote['signatureName'] = $post['signatureName'];

        if (strlen($shippingNote['signature']) < 1 || strlen($shippingNote['signatureName']) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Unterschrift oder Name fehlt']);
        }

        try {
            $shippingNote['signatureDate'] = date("Y-m-d");
            WarehouseShippingNoteModel::update($shippingNote);
            self::returnJson(['success' => true, 'message' => 'Unterschrift wurde gespeichert']);
        } catch (Exception $e) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Unterschrift konnte nicht gespeichert werden']);
        }
    }

    protected function createPDFAction() {
        $id = $this->request->id;
        if (strlen($id) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Lieferschein wurde nicht gefunden']);
        }

        $shippingNote = WarehouseShippingNoteModel::get($id);
        $address = AddressModel::getOne($shippingNote->billingAddressId);
        $positions = [];

        // loop through all positions and add articleTitle and articleDescription to each position entry
        foreach (json_decode($shippingNote->positions, true) as $position) {
            if (isset($position['article'])) {
                $article = WarehouseArticleModel::get($position['article']);
                if (isset($article->articleNumber)) {
                    $position['articleTitle'] = $article->articleNumber . " | " . $article->title;
                } else {
                    $position['articleTitle'] = $article->title;
                }

                if (isset($position['isEnergieMaterial']) && $position['isEnergieMaterial'] == 1) {
                    $position['articleTitle'] .= " (ESTMK)";
                }

                $position['articleDescription'] = $article->description === $article->title ? "" : $article->description;
                $position['articleUnit'] = $article->unit;
                $positions[] = $position;
            } elseif (isset($position['articlePacket'])) {
                $articlePacket = WarehouseArticlePacketModel::get($position['articlePacket']);
                $position['articleTitle'] = $articlePacket->title;
                $position['articleDescription'] = $articlePacket->description === $articlePacket->title ? "" : $articlePacket->description;
                $position['articleUnit'] = 'Stk.';
                $positions[] = $position;
            } elseif (isset($position['articleText'])) {
                $position['articleTitle'] = $position['articleText'];
                $position['articleDescription'] = "";
                $position['articleUnit'] = 'Stk.';
                $positions[] = $position;
            }
        }

        // json decode hoursEntries and add to positions
        $hoursEntries = json_decode($shippingNote->hoursEntries, true);
        foreach ($hoursEntries as $hoursEntry) {
//            die(json_encode($hoursEntry));
            $articleTitle = "Arbeitsstunden";
            if (isset($hoursEntry['priceType']) && $hoursEntry['priceType'] == 50) {
                $articleTitle = "Arbeitsstunden (50% Zuschlag)";
            } elseif (isset($hoursEntry['priceType']) && $hoursEntry['priceType'] == 100) {
                $articleTitle = "Arbeitsstunden (100% Zuschlag)";
            }

            if (floatval(str_replace(",", ".", $hoursEntry['hourCount'])) > 0) {
                $positions[] = [
                    'articleTitle' => $articleTitle,
                    'articleDescription' => "Datum: ". date("d.m.Y", strtotime($hoursEntry['date'])) . " | Mitarbeiter: " . UserModel::getOne($hoursEntry['userId'])->name,
                    'articleUnit' => 'Std.',
                    'amount' => $hoursEntry['hourCount'],
                    'price' => $hoursEntry['hourlyPrice'] * $hoursEntry['hourCount'] ?? 0,
                ];
            }

            if ($hoursEntry['carId']) {
                $positions[] = [
                    'articleTitle' => "Fahrkostenpauschale (hin und retour)",
                    'articleDescription' => "Datum: ". date("d.m.Y", strtotime($hoursEntry['date'])) . " | Fahrzeug: " . TimerecordingCarModel::getOne($hoursEntry['carId'])->number_plate,
                    'articleUnit' => 'Km',
                    'amount' => $hoursEntry['kilometerCount'],
                    'price' => 1 * $hoursEntry['kilometerCount'] ?? 0,
                ];
            }

        }


        usort($positions, function ($a, $b) {
            $aHasMitarbeiter = str_contains($a['articleDescription'], 'Mitarbeiter');
            $bHasMitarbeiter = str_contains($b['articleDescription'], 'Mitarbeiter');
            $aHasFahrzeug = str_contains($a['articleDescription'], 'Fahrzeug');
            $bHasFahrzeug = str_contains($b['articleDescription'], 'Fahrzeug');

            if ($aHasMitarbeiter && !$bHasMitarbeiter) return -1;
            if (!$aHasMitarbeiter && $bHasMitarbeiter) return 1;
            if ($aHasFahrzeug && !$bHasFahrzeug) return -1;
            if (!$aHasFahrzeug && $bHasFahrzeug) return 1;
            return 0;
        });



        $textElements = [];
        // parse shippingNote.textElements ({"1":true,"2":true}) to array, fetch each text element and put content into array
        $shippingNoteTextElements = json_decode($shippingNote->textElements, true);
        foreach ($shippingNoteTextElements as $key => $value) {
            if ($value) {
                $textElement = WarehouseShippingNoteTextElementModel::get($key);
                $textElements[] = $textElement->content;
            }
        }
        if (empty($textElements)) {
            $textElements = null;
        }

        $pdf_vars = ["shippingNote" => $shippingNote,
                     "positions" => $positions,
                     "textElements" => $textElements,
                     "showPrices" => isset($_GET['price']) && $_GET['price'] == "true",
                     "bank_iban" => TT_INVOICE_BANK_IBAN,
                     "bank_bic" => TT_INVOICE_BANK_BIC,
                     "bank_bank" => TT_INVOICE_BANK_BANK,
                     "bank_owner" => TT_INVOICE_BANK_OWNER];

        // Replace placeholders in header
        // create shipping note in this format LS2024-X0001
        // pad number on the left side with zeros
        $shippingNoteNumber = "LS" . date("Y", $shippingNote->create) . "-" . str_pad($shippingNote->id, 4, "0", STR_PAD_LEFT);
        $headerHtml = file_get_contents(BASEDIR . "/Layout/default/WarehouseShippingNote/PDF_HEADER.html");
        $headerHtml = str_replace("{{ basedir }}", BASEDIR, $headerHtml);
        $headerHtml = str_replace("{{ addressLine_1 }}", $shippingNote->deliveryAddressName, $headerHtml);
        $headerHtml = str_replace("{{ addressLine_2 }}", $shippingNote->deliveryAddressLine, $headerHtml);
        $headerHtml = str_replace("{{ addressLine_3 }}", $shippingNote->deliveryAddressPLZ . " " . $shippingNote->deliveryAddressCity, $headerHtml);
        $headerHtml = str_replace("{{ addressLine_4 }}", "", $headerHtml);
        $headerHtml = str_replace("{{ addressLine_5 }}", "", $headerHtml);
        $headerHtml = str_replace("{{ billingAddressLine_1 }}", $address->getCompanyOrName(), $headerHtml);
        $headerHtml = str_replace("{{ billingAddressLine_2 }}", $address->street, $headerHtml);
        $headerHtml = str_replace("{{ billingAddressLine_3 }}", $address->zip . " " . $address->city, $headerHtml);
        $headerHtml = str_replace("{{ billingAddressLine_4 }}", "", $headerHtml);
        $headerHtml = str_replace("{{ billingAddressLine_5 }}", "", $headerHtml);
        $headerHtml = str_replace("{{ customerNumber }}", $address->customer_number, $headerHtml);
        $headerHtml = str_replace("{{ shippingNoteNumber }}", $shippingNoteNumber, $headerHtml);
        $headerHtml = str_replace("{{ shippingNoteDate }}", date("d.m.Y", $shippingNote->create), $headerHtml);

        $headerFile = BASEDIR . "/var/temp/shipping-note_header-" . date("U") . "-" . rand(1000, 9999) . ".html";
        file_put_contents($headerFile, $headerHtml);


        // Replace placeholders in header
        $footerHtml = file_get_contents(BASEDIR . "/Layout/default/WarehouseShippingNote/PDF_FOOTER.html");
        $footerHtml = str_replace("{{ bank_iban }}", TT_INVOICE_BANK_IBAN_FORMATTED, $footerHtml);
        $footerHtml = str_replace("{{ bank_bic }}", TT_INVOICE_BANK_BIC, $footerHtml);
        $footerHtml = str_replace("{{ bank_bank }}", TT_INVOICE_BANK_BANK, $footerHtml);
        $footerHtml = str_replace("{{ bank_owner }}", TT_INVOICE_BANK_OWNER, $footerHtml);


        $footerFile = BASEDIR . "/var/temp/shipping-note_header-" . date("U") . "-" . rand(1000, 9999) . ".html";
        file_put_contents($footerFile, $footerHtml);


        $pdf = new PdfForm("WarehouseShippingNote/PDF_MAIN", $pdf_vars);
        $wkhtmltopdfArgs = "--header-html $headerFile --footer-html $footerFile";
        $filename = $pdf->render($wkhtmltopdfArgs);

        // return the pdf and die so the client sees the pdf not the filename
        header('Content-Type: application/pdf');
        header('Content-Disposition: inline; filename="' . $filename . '"');
        readfile($filename);
    }

    // TODO: either move this to UserController or make it better
    protected function userAutoCompleteAction() {
        $users = array_map(function ($user) {
            return ['value' => $user->id, 'text' => $user->name];
        }, UserModel::search(['employee' => true]));

        $out = null;
        $searchedID = $this->request->searchedID;
        if (strlen($searchedID) > 0) {
            // find user with value searchedID
            $out = array_filter($users, function ($user) use ($searchedID) {
                return $user['value'] == $searchedID;
            });
        } else {
            $out = array_filter($users, function ($user) {
                ;
                return strpos(strtolower($user['text']), strtolower($this->request->q)) !== false;
            });

            $out = array_slice($out, 0, 10);
        }

        self::returnJson(array_values($out));
    }

    protected function changeStatusAction() {
        ini_set('display_errors', 1);
        ini_set('display_startup_errors', 1);
        $json = json_decode(file_get_contents('php://input'), true);
        $id = $json['id'];
        $status = $json['status'];
        if (strlen($id) < 1) {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Lieferschein wurde nicht gefunden']);
        }

        $shippingNote = (array) WarehouseShippingNoteModel::get($id);
        if ($shippingNote['status'] === 'invoiced') {
            http_response_code(500);
            self::returnJson(['success' => false, 'message' => 'Status kann nicht geändert werden']);
        }

        $shippingNote['status'] = $status;
        WarehouseShippingNoteModel::update($shippingNote);
        $statusNiceText = [
            'new' => 'Neu',
            'in_progress' => 'In Bearbeitung',
            'accepted' => 'Akzeptiert',
            'invoiced' => 'In Rechnung gestellt',
        ];
        self::returnJson(['success' => true, 'message' => 'Status wurde auf ' . $statusNiceText[$status] . ' geändert']);
    }

    //TODO: either move this to TimerecordingCarController or make it better
    protected function timerecordingCarAutoCompleteAction() {
        $timerecordingCars = array_map(function ($timerecordingCar) {
            return ['value' => $timerecordingCar->id,
                    'text' => $timerecordingCar->number_plate . " " . $timerecordingCar->brand . " " . $timerecordingCar->model];
        }, TimerecordingCarModel::getAll());

        $out = null;
        $searchedID = $this->request->searchedID;
        if (strlen($searchedID) > 0) {
            // find user with value searchedID
            $out = array_filter($timerecordingCars, function ($timerecordingCar) use ($searchedID) {
                return $timerecordingCar['value'] == $searchedID;
            });
        } else {
            $out = array_filter($timerecordingCars, function ($timerecordingCar) {
                return strpos(strtolower($timerecordingCar['text']), strtolower($this->request->q)) !== false;
            });

            $out = array_slice($out, 0, 10);
        }

        self::returnJson(array_values($out));
    }

    protected function timerecordingCarForUserAction() {
        $timerecordingCars = TimerecordingCarModel::getAll();
        $out = null;
        foreach ($timerecordingCars as $timerecordingCar) {
            if ($timerecordingCar->user_id == $this->user->id) {
                header('Content-Type: application/json');
                die(json_encode(['success' => true, 'id' => $timerecordingCar->id]));
            }
        }
        die(json_encode(['success' => true, 'status' => 'USER_NO_CAR']));
    }

    protected function geoAutocompleteAction() {
        $search = $this->request->q;
        $search = urlencode($search);
        $url = "https://nominatim.haid.in/search?q=$search&format=json";
        $data = json_decode(file_get_contents($url), true);
        $out = [];


        foreach ($data as $entry) {
            $parsedDisplayNameParts = [];
            foreach (explode(',', $entry['display_name']) as $part) {
                // if str_includes Bezirk remove it
                if (strpos($part, 'Bezirk') !== false) {
                    continue;
                }
                $parsedDisplayNameParts[] = $part;
            }
            $out[] = ['value' => $entry['lat'] . "," . $entry['lon'], 'text' => implode(',', $parsedDisplayNameParts)];
        }
        self::returnJson($out);
    }

    protected function geoReverseAction() {
        $lat = $this->request->lat;
        $lon = $this->request->lon;
        $url = "https://nominatim.haid.in/reverse?lat=$lat&lon=$lon&format=json";
        $data = json_decode(file_get_contents($url), true);
        self::returnJson($data);
    }


    //TODO: export this to an api class for openstreetmap
    protected function getDistanceAction() {
//                $filename = TEMP_DIR . "/DeviceMonitoring/interfacesWithCongestion.json";
        // use dir TEMP_DIR /OpenStreetMap/from-to.json to cache the results

        $filename = TEMP_DIR . "/OpenStreetMap/" . urlencode($this->request->from) . "-" . urlencode($this->request->to) . ".json";

        if (file_exists($filename)) {
            $data = file_get_contents($filename);
            self::returnJson(json_decode($data, true));
        }


        $from = $this->request->from;
        $to = $this->request->to;
        $from = urlencode($from);
        $to = urlencode($to);

        function geocode($address) {
            if ($address === 'Xinon GmbH') {
                return [['lat' => 46.99555015, 'lon' => 15.77507876755547]];
            }

            $curl = curl_init();
            curl_setopt_array($curl, [
                CURLOPT_URL => "https://nominatim.haid.in/search?q=$address&format=json",
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_FOLLOWLOCATION => true,
                CURLOPT_ENCODING => "",
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 30,
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_CUSTOMREQUEST => "GET",
                CURLOPT_HTTPHEADER => [
                    "accept: application/json",
                    "accept-language: de-AT,de;q=0.9,en;q=0.8",
                    "origin: https://routing.openstreetmap.de",
                    "referer: https://routing.openstreetmap.de/",
                    "user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36"
                ],
            ]);

            $response = curl_exec($curl);
            $err = curl_error($curl);

            if ($err) {
                die(json_encode(['success' => false, 'message' => 'Error while geocoding']));
            }

            curl_close($curl);
            return json_decode($response, true);
        }

        function route($from, $to) {
            $fromData = geocode($from);
            $toData = geocode($to);
            $fromLat = $fromData[0]['lat'];
            $fromLon = $fromData[0]['lon'];
            $toLat = $toData[0]['lat'];
            $toLon = $toData[0]['lon'];
            $url = "https://router.project-osrm.org/route/v1/driving/$fromLon,$fromLat;$toLon,$toLat?overview=false";
            $data = json_decode(file_get_contents($url), true);
            $distance = $data['routes'][0]['distance'];
            return $distance;
        }

        $fromData = geocode($from);
        $toData = geocode($to);

        $distance = route($from, $to);

        $roundedDistanceKm = round($distance / 1000, 0);

        if (!file_exists(dirname($filename))) {
            mkdir(dirname($filename), 0777, true);
        }
        file_put_contents($filename, json_encode(['success' => true, 'distance' => $roundedDistanceKm]));

        self::returnJson(['success' => true, 'distance' => $roundedDistanceKm]);
    }

}