forked from mirrors/easyappointments
338 lines
11 KiB
JavaScript
338 lines
11 KiB
JavaScript
/* ----------------------------------------------------------------------------
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* Easy!Appointments - Online Appointment Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) Alex Tselegidis
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* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://easyappointments.org
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* @since v1.5.0
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* ---------------------------------------------------------------------------- */
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/**
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* Categories page.
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*
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* This module implements the functionality of the categories page.
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*/
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App.Pages.Categories = (function () {
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const $categories = $('#categories');
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const $filterCategories = $('#filter-categories');
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const $id = $('#id');
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const $name = $('#name');
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const $description = $('#description');
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let filterResults = {};
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let filterLimit = 20;
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/**
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* Add the page event listeners.
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*/
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function addEventListeners() {
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/**
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* Event: Filter Categories Form "Submit"
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*
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* @param {jQuery.Event} event
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*/
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$categories.on('submit', '#filter-categories form', (event) => {
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event.preventDefault();
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const key = $('#filter-categories .key').val();
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$('.selected').removeClass('selected');
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resetForm();
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filter(key);
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});
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/**
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* Event: Filter Categories Row "Click"
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*
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* Displays the selected row data on the right side of the page.
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*
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* @param {jQuery.Event} event
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*/
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$categories.on('click', '.category-row', (event) => {
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if ($('#filter-categories .filter').prop('disabled')) {
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$('#filter-categories .results').css('color', '#AAA');
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return; // exit because we are on edit mode
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}
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const categoryId = $(event.currentTarget).attr('data-id');
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const category = filterResults.find((filterResult) => Number(filterResult.id) === Number(categoryId));
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display(category);
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$('#filter-categories .selected').removeClass('selected');
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$(event.currentTarget).addClass('selected');
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$('#edit-category, #delete-category').prop('disabled', false);
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});
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/**
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* Event: Add Category Button "Click"
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*/
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$categories.on('click', '#add-category', () => {
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resetForm();
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$categories.find('.add-edit-delete-group').hide();
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$categories.find('.save-cancel-group').show();
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$categories.find('.record-details').find('input, select, textarea').prop('disabled', false);
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$categories.find('.record-details .form-label span').prop('hidden', false);
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$filterCategories.find('button').prop('disabled', true);
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$filterCategories.find('.results').css('color', '#AAA');
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});
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/**
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* Event: Edit Category Button "Click"
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*/
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$categories.on('click', '#edit-category', () => {
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$categories.find('.add-edit-delete-group').hide();
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$categories.find('.save-cancel-group').show();
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$categories.find('.record-details').find('input, select, textarea').prop('disabled', false);
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$categories.find('.record-details .form-label span').prop('hidden', false);
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$filterCategories.find('button').prop('disabled', true);
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$filterCategories.find('.results').css('color', '#AAA');
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});
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/**
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* Event: Delete Category Button "Click"
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*/
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$categories.on('click', '#delete-category', () => {
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const categoryId = $id.val();
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const buttons = [
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{
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text: lang('cancel'),
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click: (event, messageModal) => {
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messageModal.dispose();
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}
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},
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{
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text: lang('delete'),
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click: (event, messageModal) => {
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remove(categoryId);
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messageModal.dispose();
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}
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}
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];
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App.Utils.Message.show(lang('delete_category'), lang('delete_record_prompt'), buttons);
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});
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/**
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* Event: Categories Save Button "Click"
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*/
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$categories.on('click', '#save-category', () => {
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const category = {
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name: $name.val(),
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description: $description.val()
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};
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if ($id.val() !== '') {
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category.id = $id.val();
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}
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if (!validate()) {
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return;
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}
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save(category);
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});
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/**
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* Event: Cancel Category Button "Click"
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*/
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$categories.on('click', '#cancel-category', () => {
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const id = $id.val();
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resetForm();
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if (id !== '') {
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select(id, true);
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}
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});
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}
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/**
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* Filter service categories records.
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*
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* @param {String} keyword This key string is used to filter the category records.
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* @param {Number} selectId Optional, if set then after the filter operation the record with the given
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* ID will be selected (but not displayed).
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* @param {Boolean} show Optional (false), if true then the selected record will be displayed on the form.
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*/
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function filter(keyword, selectId = null, show = false) {
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App.Http.Categories.search(keyword, filterLimit).then((response) => {
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filterResults = response;
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$('#filter-categories .results').empty();
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response.forEach((category) => {
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$('#filter-categories .results').append(getFilterHtml(category)).append($('<hr/>'));
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});
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if (response.length === 0) {
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$('#filter-categories .results').append(
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$('<em/>', {
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'text': lang('no_records_found')
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})
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);
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} else if (response.length === filterLimit) {
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$('<button/>', {
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'type': 'button',
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'class': 'btn btn-outline-secondary w-100 load-more text-center',
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'text': lang('load_more'),
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'click': () => {
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filterLimit += 20;
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filter(keyword, selectId, show);
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}
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}).appendTo('#filter-categories .results');
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}
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if (selectId) {
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select(selectId, show);
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}
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});
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}
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/**
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* Save a category record to the database (via AJAX post).
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*
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* @param {Object} category Contains the category data.
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*/
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function save(category) {
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App.Http.Categories.save(category).then((response) => {
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App.Layouts.Backend.displayNotification(lang('category_saved'));
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resetForm();
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$filterCategories.find('.key').val('');
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filter('', response.id, true);
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});
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}
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/**
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* Delete category record.
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*
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* @param {Number} id Record ID to be deleted.
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*/
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function remove(id) {
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App.Http.Categories.destroy(id).then(() => {
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App.Layouts.Backend.displayNotification(lang('category_deleted'));
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resetForm();
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filter($('#filter-categories .key').val());
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});
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}
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/**
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* Display a category record on the form.
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*
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* @param {Object} category Contains the category data.
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*/
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function display(category) {
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$id.val(category.id);
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$name.val(category.name);
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$description.val(category.description);
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}
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/**
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* Validate category data before save (insert or update).
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*
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* @return {Boolean} Returns the validation result.
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*/
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function validate() {
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$categories.find('.is-invalid').removeClass('is-invalid');
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$categories.find('.form-message').removeClass('alert-danger').hide();
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try {
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let missingRequired = false;
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$categories.find('.required').each((index, fieldEl) => {
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if (!$(fieldEl).val()) {
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$(fieldEl).addClass('is-invalid');
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missingRequired = true;
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}
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});
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if (missingRequired) {
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throw new Error(lang('fields_are_required'));
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}
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return true;
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} catch (error) {
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$categories.find('.form-message').addClass('alert-danger').text(error.message).show();
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return false;
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}
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}
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/**
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* Bring the category form back to its initial state.
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*/
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function resetForm() {
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$filterCategories.find('.selected').removeClass('selected');
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$filterCategories.find('button').prop('disabled', false);
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$filterCategories.find('.results').css('color', '');
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$categories.find('.add-edit-delete-group').show();
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$categories.find('.save-cancel-group').hide();
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$categories.find('.record-details').find('input, select, textarea').val('').prop('disabled', true);
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$categories.find('.record-details .form-label span').prop('hidden', true);
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$('#edit-category, #delete-category').prop('disabled', true);
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$categories.find('.record-details .is-invalid').removeClass('is-invalid');
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$categories.find('.record-details .form-message').hide();
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}
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/**
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* Get the filter results row HTML code.
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*
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* @param {Object} category Contains the category data.
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*
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* @return {String} Returns the record HTML code.
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*/
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function getFilterHtml(category) {
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return $('<div/>', {
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'class': 'category-row entry',
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'data-id': category.id,
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'html': [
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$('<strong/>', {
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'text': category.name
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}),
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$('<br/>')
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]
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});
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}
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/**
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* Select a specific record from the current filter results.
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*
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* If the category ID does not exist in the list then no record will be selected.
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*
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* @param {Number} id The record ID to be selected from the filter results.
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* @param {Boolean} show Optional (false), if true then the method will display the record on the form.
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*/
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function select(id, show = false) {
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$filterCategories.find('.selected').removeClass('selected');
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$filterCategories.find('.category-row[data-id="' + id + '"]').addClass('selected');
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if (show) {
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const category = filterResults.find((category) => Number(category.id) === Number(id));
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display(category);
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$('#edit-category, #delete-category').prop('disabled', false);
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}
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}
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/**
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* Initialize the module.
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*/
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function initialize() {
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resetForm();
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filter('');
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addEventListeners();
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}
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document.addEventListener('DOMContentLoaded', initialize);
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return {
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filter,
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save,
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remove,
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getFilterHtml,
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resetForm,
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select
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};
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})();
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