390 lines
13 KiB
JavaScript
390 lines
13 KiB
JavaScript
/* ----------------------------------------------------------------------------
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* Easy!Appointments - Open Source Web 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) 2013 - 2020, Alex Tselegidis
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* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link http://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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(function () {
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'use strict';
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/**
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* CategoriesHelper Class
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*
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* This class contains the core method implementations that belong to the categories tab
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* of the backend services page.
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*
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* @class CategoriesHelper
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*/
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function CategoriesHelper() {
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this.filterResults = {};
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this.filterLimit = 20;
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}
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/**
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* Binds the default event handlers of the categories tab.
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*/
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CategoriesHelper.prototype.bindEventHandlers = function () {
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var instance = this;
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/**
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* Event: Filter Categories Cancel Button "Click"
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*/
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$('#categories').on('click', '#filter-categories .clear', function () {
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$('#filter-categories .key').val('');
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instance.filter('');
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instance.resetForm();
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});
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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', function (event) {
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event.preventDefault();
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var key = $('#filter-categories .key').val();
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$('.selected').removeClass('selected');
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instance.resetForm();
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instance.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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$('#categories').on('click', '.category-row', function () {
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if ($('#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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var categoryId = $(this).attr('data-id');
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var category = instance.filterResults.find(function (filterResult) {
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return Number(filterResult.id) === Number(categoryId);
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});
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instance.display(category);
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$('#filter-categories .selected').removeClass('selected');
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$(this).addClass('selected');
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$('#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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$('#categories').on('click', '#add-category', function () {
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instance.resetForm();
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$('#categories .add-edit-delete-group').hide();
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$('#categories .save-cancel-group').show();
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$('#categories .record-details').find('input, select, textarea').prop('disabled', false);
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$('#filter-categories button').prop('disabled', true);
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$('#filter-categories .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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$('#categories').on('click', '#edit-category', function () {
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$('#categories .add-edit-delete-group').hide();
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$('#categories .save-cancel-group').show();
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$('#categories .record-details').find('input, select, textarea').prop('disabled', false);
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$('#filter-categories button').prop('disabled', true);
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$('#filter-categories .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', function () {
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var categoryId = $('#category-id').val();
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var buttons = [
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{
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text: EALang.cancel,
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click: function () {
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$('#message-box').dialog('close');
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}
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},
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{
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text: EALang.delete,
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click: function () {
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instance.delete(categoryId);
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$('#message-box').dialog('close');
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}
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},
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];
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GeneralFunctions.displayMessageBox(EALang.delete_category,
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EALang.delete_record_prompt, buttons);
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});
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/**
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* Event: Categories Save Button "Click"
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*/
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$('#categories').on('click', '#save-category', function () {
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var category = {
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name: $('#category-name').val(),
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description: $('#category-description').val()
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};
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if ($('#category-id').val() !== '') {
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category.id = $('#category-id').val();
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}
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if (!instance.validate()) {
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return;
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}
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instance.save(category);
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});
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/**
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* Event: Cancel Category Button "Click"
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*/
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$('#categories').on('click', '#cancel-category', function () {
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var id = $('#category-id').val();
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instance.resetForm();
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if (id !== '') {
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instance.select(id, true);
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}
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});
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};
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/**
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* Remove the previously registered event handlers.
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*/
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CategoriesHelper.prototype.unbindEventHandlers = function () {
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$('#categories')
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.off('click', '#filter-categories .clear')
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.off('submit', '#filter-categories form')
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.off('click', '.category-row')
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.off('click', '#add-category')
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.off('click', '#edit-category')
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.off('click', '#delete-category')
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.off('click', '#save-category')
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.off('click', '#cancel-category');
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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} key 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} display Optional (false), if true then the selected record will be displayed on the form.
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*/
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CategoriesHelper.prototype.filter = function (key, selectId, display) {
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var url = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_service_categories';
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var data = {
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csrfToken: GlobalVariables.csrfToken,
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key: key,
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limit: this.filterLimit
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};
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$.post(url, data)
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.done(function (response) {
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this.filterResults = response;
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$('#filter-categories .results').empty();
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response.forEach(function (category) {
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$('#filter-categories .results')
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.append(this.getFilterHtml(category))
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.append($('<hr/>'));
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}.bind(this));
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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': EALang.no_records_found
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})
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);
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} else if (response.length === this.filterLimit) {
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$('<button/>', {
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'type': 'button',
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'class': 'btn btn-block btn-outline-secondary load-more text-center',
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'text': EALang.load_more,
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'click': function () {
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this.filterLimit += 20;
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this.filter(key, selectId, display);
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}.bind(this)
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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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this.select(selectId, display);
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}
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}.bind(this));
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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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CategoriesHelper.prototype.save = function (category) {
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var url = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_save_service_category';
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var data = {
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csrfToken: GlobalVariables.csrfToken,
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category: JSON.stringify(category)
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};
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$.post(url, data)
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.done(function (response) {
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Backend.displayNotification(EALang.service_category_saved);
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this.resetForm();
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$('#filter-categories .key').val('');
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this.filter('', response.id, true);
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BackendServices.updateAvailableCategories();
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}.bind(this));
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};
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/**
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* Delete category record.
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*
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* @param Number} id Record ID to be deleted.
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*/
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CategoriesHelper.prototype.delete = function (id) {
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var url = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_delete_service_category';
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var data = {
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csrfToken: GlobalVariables.csrfToken,
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category_id: id
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};
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$.post(url, data)
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.done(function () {
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Backend.displayNotification(EALang.service_category_deleted);
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this.resetForm();
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this.filter($('#filter-categories .key').val());
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BackendServices.updateAvailableCategories();
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}.bind(this));
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};
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/**
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* Display a category record on the form.
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*
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* @param {Object} category Contains the category data.
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*/
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CategoriesHelper.prototype.display = function (category) {
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$('#category-id').val(category.id);
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$('#category-name').val(category.name);
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$('#category-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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CategoriesHelper.prototype.validate = function () {
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$('#categories .has-error').removeClass('has-error');
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$('#categories .form-message')
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.removeClass('alert-danger')
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.hide();
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try {
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var missingRequired = false;
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$('#categories .required').each(function (index, requiredField) {
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if (!$(requiredField).val()) {
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$(requiredField).closest('.form-group').addClass('has-error');
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missingRequired = true;
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}
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});
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if (missingRequired) {
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throw new Error(EALang.fields_are_required);
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}
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return true;
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} catch (error) {
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$('#categories .form-message')
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.addClass('alert-danger')
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.text(error.message)
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.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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CategoriesHelper.prototype.resetForm = function () {
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$('#filter-categories .selected').removeClass('selected');
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$('#filter-categories button').prop('disabled', false);
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$('#filter-categories .results').css('color', '');
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$('#categories .add-edit-delete-group').show();
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$('#categories .save-cancel-group').hide();
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$('#categories .record-details')
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.find('input, select, textarea')
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.val('')
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.prop('disabled', true);
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$('#edit-category, #delete-category').prop('disabled', true);
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$('#categories .record-details .has-error').removeClass('has-error');
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$('#categories .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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CategoriesHelper.prototype.getFilterHtml = function (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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$('<br/>'),
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]
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});
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};
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/**
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* Select a specific record from the current filter results.
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*
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* If the category ID does not exist in the list then no record will be selected.
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*
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* @param {Number} id The record ID to be selected from the filter results.
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* @param {Boolean} display Optional (false), if true then the method will display the record
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* on the form.
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*/
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CategoriesHelper.prototype.select = function (id, display) {
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display = display || false;
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$('#filter-categories .selected').removeClass('selected');
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$('#filter-categories .category-row[data-id="' + id + '"]').addClass('selected');
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if (display) {
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var category = this.filterResults.find(function (category) {
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return Number(category.id) === Number(id);
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}.bind(this));
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this.display(category);
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$('#edit-category, #delete-category').prop('disabled', false);
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}
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};
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window.CategoriesHelper = CategoriesHelper;
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})();
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