JS загрузку и обработка файла

document.addEventListener("DOMContentLoaded", function() {
    var progress_cat = 0;
    var progress_file = 0;
    var progress_button = 0;
    var progress_upload = 0;
    var progress_converting = 0;
    var progress_handler = 0;
    document.getElementById('upload').onclick = function() {
        select = parseInt(document.getElementById('category_choose').value);
        name_category = document.getElementById('category_choose').options[document.getElementById('category_choose').options.selectedIndex].text;
        file_value = document.forms.upload_file.elements.file_excel.value;
        if (progressRefresh() >= 60) {
            UIkit.notification({
                message: 'Процесс уже запущен!',
                pos: 'bottom-right',
                status: 'warning'
            });
        } else {
            if (!select) {
                UIkit.notification({
                    message: 'Укажите категорию!',
                    pos: 'bottom-right',
                    status: 'warning'
                });
            } else {
                if (file_value) {
                    UIkit.notification({
                        message: 'Идет загрузка файла...',
                        pos: 'bottom-right',
                        status: 'primary'
                    });
                    progress_button = 20;
                    progressRefresh();
                }
                document.getElementById('spinner').classList.toggle('uk-hidden');
                uploadFile();
            }
        }
        return false;
    }
    document.getElementById('file_excel').onclick = function() {
        select = parseInt(document.getElementById('category_choose').value);
        if (!select) {
            UIkit.notification({
                message: 'Укажите категорию!',
                pos: 'bottom-right',
                status: 'warning'
            });
            return false;
        }
    }
    function uploadFile() {
        var form = document.forms.upload_file;
        var formData = new FormData(form);
        var req = new XMLHttpRequest();
        req.open("POST", 'handler.php');
        req.onreadystatechange = function() {
            if (req.readyState == 4) {
                request = JSON.parse(req.responseText);
                if (request.result) {
                    UIkit.notification({
                        message: request.success,
                        pos: 'bottom-right',
                        status: 'success'
                    });
                    progress_converting = 10;
                    progressRefresh();
                    handlerParse(select, request.name);
                } else {
                    UIkit.notification({
                        message: request.error,
                        pos: 'bottom-right',
                        status: 'danger'
                    });
                    progress_converting = 0;
                    progressRefresh();
                }
            }
        }
        req.upload.onprogress = function(event) {
            progressSuccess = event.loaded * 100 / event.total;
            progressBarUpload(progressSuccess);
        }
        req.send(formData);
    }
    document.getElementById('category_choose').onchange = function() {
        if (this.value > 0) {
            progress_cat = 20;
        } else {
            progress_cat = 0;
        }
        progressRefresh();
    }
    document.getElementById('file_excel').onchange = function() {
        file = document.forms.upload_file.elements.file_excel.value;
        if (file) {
            progress_file = 20;
        } else {
            progress_file = 0;
        }
        progressRefresh();
    }
    function progressBarUpload(progress) {
        UIkit.util.ready(function() {
            var bar = document.getElementById('js-progressbar-uploadFile');
            var divBar = document.getElementById('progress-upload');
            if (!divBar.style.display) {
                divBar.style.display = 'block';
            }
            bar.value = progress;
            if (bar.value >= 100) {
                divBar.style.display = "";
                UIkit.notification({
                    message: 'Файл загружен на сервер...',
                    pos: 'bottom-right',
                    status: 'success'
                });
                progress_upload = 20;
                progressRefresh();
            }
        });
    }
    function progressRefresh() {
        progress = progress_cat +
            progress_file +
            progress_button +
            progress_upload +
            progress_converting +
            progress_handler;
        document.getElementById('js-progressbar').value = progress;
        return progress;
    }
    function handlerParse(group, path) {
        var req = new JsHttpRequest();
        UIkit.notification({
            message: 'Идет обработка файла...',
            pos: 'bottom-right',
            status: 'primary'
        });
        req.open(null, 'handler_update.php', true);
        req.onreadystatechange = function() {
            if (req.readyState == 4) {
                request = JSON.parse(req.responseText);
                if (request.result) {
                    UIkit.notification({
                        message: request.success,
                        pos: 'bottom-right',
                        status: 'success'
                    });
                    progress_handler = 10;
                    progressRefresh();
                    setTimeout(success, 2000);
                } else {
                    UIkit.notification({
                        message: "Произошла ошибка!",
                        pos: 'bottom-right',
                        status: 'danger'
                    });
                    progress_handler = 0;
                    progressRefresh();
                }
            }
        }
        req.send({
            group: group,
            path: path
        });
    }
    function success() {
        name_category = document.getElementById('category_choose').options[document.getElementById('category_choose').options.selectedIndex].text;
        UIkit.modal.alert('Файл загружен и обработан: ' + name_category);
        document.getElementById('category_choose').value = document.getElementById('category_choose').options[0].text;
        document.getElementById('upload_file').reset();
        progress_cat = 0;
        progress_file = 0;
        progress_button = 0;
        progress_upload = 0;
        progress_converting = 0;
        progress_handler = 0;
        document.getElementById('spinner').classList.toggle('uk-hidden');
        progressRefresh();
    }
});

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document.addEventListener("DOMContentLoaded", function() {

var progress_cat = 0;

var progress_file = 0;

var progress_button = 0;

var progress_upload = 0;

var progress_converting = 0;

var progress_handler = 0;

document.getElementById('upload').onclick = function() {

select = parseInt(document.getElementById('category_choose').value);

name_category = document.getElementById('category_choose').options[document.getElementById('category_choose').options.selectedIndex].text;

file_value = document.forms.upload_file.elements.file_excel.value;

if (progressRefresh() >= 60) {

UIkit.notification({

message: 'Процесс уже запущен!',

pos: 'bottom-right',

status: 'warning'

});

} else {

if (!select) {

UIkit.notification({

message: 'Укажите категорию!',

pos: 'bottom-right',

status: 'warning'

});

} else {

if (file_value) {

UIkit.notification({

message: 'Идет загрузка файла...',

pos: 'bottom-right',

status: 'primary'

});

progress_button = 20;

progressRefresh();

}

document.getElementById('spinner').classList.toggle('uk-hidden');

uploadFile();

}

return false;

}

document.getElementById('file_excel').onclick = function() {

select = parseInt(document.getElementById('category_choose').value);

if (!select) {

UIkit.notification({

message: 'Укажите категорию!',

pos: 'bottom-right',

status: 'warning'

});

return false;

}

function uploadFile() {

var form = document.forms.upload_file;

var formData = new FormData(form);

var req = new XMLHttpRequest();

req.open("POST", 'handler.php');

req.onreadystatechange = function() {

if (req.readyState == 4) {

request = JSON.parse(req.responseText);

if (request.result) {

UIkit.notification({

message: request.success,

pos: 'bottom-right',

status: 'success'

});

progress_converting = 10;

progressRefresh();

handlerParse(select, request.name);

} else {

UIkit.notification({

message: request.error,

pos: 'bottom-right',

status: 'danger'

});

progress_converting = 0;

progressRefresh();

}

req.upload.onprogress = function(event) {

progressSuccess = event.loaded * 100 / event.total;

progressBarUpload(progressSuccess);

}

req.send(formData);

}

document.getElementById('category_choose').onchange = function() {

if (this.value > 0) {

progress_cat = 20;

} else {

progress_cat = 0;

}

progressRefresh();

}

document.getElementById('file_excel').onchange = function() {

file = document.forms.upload_file.elements.file_excel.value;

if (file) {

progress_file = 20;

} else {

progress_file = 0;

}

progressRefresh();

}

function progressBarUpload(progress) {

UIkit.util.ready(function() {

var bar = document.getElementById('js-progressbar-uploadFile');

var divBar = document.getElementById('progress-upload');

if (!divBar.style.display) {

divBar.style.display = 'block';

}

bar.value = progress;

if (bar.value >= 100) {

divBar.style.display = "";

UIkit.notification({

message: 'Файл загружен на сервер...',

pos: 'bottom-right',

status: 'success'

});

progress_upload = 20;

progressRefresh();

}

});

}

function progressRefresh() {

progress = progress_cat +

progress_file +

progress_button +

progress_upload +

progress_converting +

progress_handler;

document.getElementById('js-progressbar').value = progress;

return progress;

}

function handlerParse(group, path) {

var req = new JsHttpRequest();

UIkit.notification({

message: 'Идет обработка файла...',

pos: 'bottom-right',

status: 'primary'

});

req.open(null, 'handler_update.php', true);

req.onreadystatechange = function() {

if (req.readyState == 4) {

request = JSON.parse(req.responseText);

if (request.result) {

UIkit.notification({

message: request.success,

pos: 'bottom-right',

status: 'success'

});

progress_handler = 10;

progressRefresh();

setTimeout(success, 2000);

} else {

UIkit.notification({

message: "Произошла ошибка!",

pos: 'bottom-right',

status: 'danger'

});

progress_handler = 0;

progressRefresh();

}

req.send({

group: group,

path: path

});

}

function success() {

name_category = document.getElementById('category_choose').options[document.getElementById('category_choose').options.selectedIndex].text;

UIkit.modal.alert('Файл загружен и обработан: ' + name_category);

document.getElementById('category_choose').value = document.getElementById('category_choose').options[0].text;

document.getElementById('upload_file').reset();

progress_cat = 0;

progress_file = 0;

progress_button = 0;

progress_upload = 0;

progress_converting = 0;

progress_handler = 0;

document.getElementById('spinner').classList.toggle('uk-hidden');

progressRefresh();

}

});

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