easyappointments/assets/js/pages/services.js
2022-01-17 05:26:57 +01:00

411 lines
14 KiB
JavaScript

/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) Alex Tselegidis
* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
* @link https://easyappointments.org
* @since v1.0.0
* ---------------------------------------------------------------------------- */
/**
* Services page.
*
* This module implements the functionality of the services page.
*/
App.Pages.Services = (function () {
const $services = $('#services');
let filterResults = {};
let filterLimit = 20;
/**
* Bind the event handlers.
*/
function bindEventHandlers() {
/**
* Event: Filter Services Form "Submit"
*
* @param {jQuery.Event} event
*/
$services.on('submit', '#filter-services form', function (event) {
event.preventDefault();
const key = $('#filter-services .key').val();
$('#filter-services .selected').removeClass('selected');
resetForm();
filter(key);
});
/**
* Event: Filter Service Row "Click"
*
* Display the selected service data to the user.
*/
$services.on('click', '.service-row', function () {
if ($('#filter-services .filter').prop('disabled')) {
$('#filter-services .results').css('color', '#AAA');
return; // exit because we are on edit mode
}
const serviceId = $(this).attr('data-id');
const service = filterResults.find(function (filterResult) {
return Number(filterResult.id) === Number(serviceId);
});
// Add dedicated provider link.
const dedicatedUrl = App.Utils.Url.siteUrl('?service=' + encodeURIComponent(service.id));
const $link = $('<a/>', {
'href': dedicatedUrl,
'html': [
$('<span/>', {
'class': 'fas fa-link'
})
]
});
$('#services .record-details h3').find('a').remove().end().append($link);
display(service);
$('#filter-services .selected').removeClass('selected');
$(this).addClass('selected');
$('#edit-service, #delete-service').prop('disabled', false);
});
/**
* Event: Add New Service Button "Click"
*/
$services.on('click', '#add-service', function () {
resetForm();
$('#services .add-edit-delete-group').hide();
$('#services .save-cancel-group').show();
$('#services .record-details').find('input, select, textarea').prop('disabled', false);
$('#filter-services button').prop('disabled', true);
$('#filter-services .results').css('color', '#AAA');
// Default values
$('#service-name').val('Service');
$('#service-duration').val('30');
$('#service-price').val('0');
$('#service-currency').val('');
$('#service-category').val('');
$('#service-availabilities-type').val('flexible');
$('#service-attendants-number').val('1');
});
/**
* Event: Cancel Service Button "Click"
*
* Cancel add or edit of a service record.
*/
$services.on('click', '#cancel-service', function () {
const id = $('#service-id').val();
resetForm();
if (id !== '') {
select(id, true);
}
});
/**
* Event: Save Service Button "Click"
*/
$services.on('click', '#save-service', function () {
const service = {
name: $('#service-name').val(),
duration: $('#service-duration').val(),
price: $('#service-price').val(),
currency: $('#service-currency').val(),
description: $('#service-description').val(),
location: $('#service-location').val(),
availabilities_type: $('#service-availabilities-type').val(),
attendants_number: $('#service-attendants-number').val(),
id_categories: $('#service-category').val() || null
};
if ($('#service-id').val() !== '') {
service.id = $('#service-id').val();
}
if (!validate()) {
return;
}
save(service);
});
/**
* Event: Edit Service Button "Click"
*/
$services.on('click', '#edit-service', function () {
$('#services .add-edit-delete-group').hide();
$('#services .save-cancel-group').show();
$('#services .record-details').find('input, select, textarea').prop('disabled', false);
$('#filter-services button').prop('disabled', true);
$('#filter-services .results').css('color', '#AAA');
});
/**
* Event: Delete Service Button "Click"
*/
$services.on('click', '#delete-service', function () {
const serviceId = $('#service-id').val();
const buttons = [
{
text: App.Lang.cancel,
click: function () {
$('#message-box').dialog('close');
}
},
{
text: App.Lang.delete,
click: function () {
remove(serviceId);
$('#message-box').dialog('close');
}
}
];
App.Utils.Message.show(App.Lang.delete_service, App.Lang.delete_record_prompt, buttons);
});
}
/**
* Save service record to database.
*
* @param {Object} service Contains the service record data. If an 'id' value is provided
* then the update operation is going to be executed.
*/
function save(service) {
App.Http.Services.save(service).then((response) => {
App.Layouts.Backend.displayNotification(App.Lang.service_saved);
resetForm();
$('#filter-services .key').val('');
filter('', response.id, true);
});
}
/**
* Delete a service record from database.
*
* @param {Number} id Record ID to be deleted.
*/
function remove(id) {
App.Http.Services.destroy(id).then(() => {
App.Layouts.Backend.displayNotification(App.Lang.service_deleted);
resetForm();
filter($('#filter-services .key').val());
});
}
/**
* Validates a service record.
*
* @return {Boolean} Returns the validation result.
*/
function validate() {
$('#services .is-invalid').removeClass('is-invalid');
$('#services .form-message').removeClass('alert-danger').hide();
try {
// Validate required fields.
let missingRequired = false;
$('#services .required').each(function (index, requiredField) {
if (!$(requiredField).val()) {
$(requiredField).addClass('is-invalid');
missingRequired = true;
}
});
if (missingRequired) {
throw new Error(App.Lang.fields_are_required);
}
// Validate the duration.
if (Number($('#service-duration').val()) < 5) {
$('#service-duration').addClass('is-invalid');
throw new Error(App.Lang.invalid_duration);
}
return true;
} catch (error) {
$('#services .form-message').addClass('alert-danger').text(error.message).show();
return false;
}
}
/**
* Resets the service tab form back to its initial state.
*/
function resetForm() {
$('#filter-services .selected').removeClass('selected');
$('#filter-services button').prop('disabled', false);
$('#filter-services .results').css('color', '');
$('#services .record-details').find('input, select, textarea').val('').prop('disabled', true);
$('#services .record-details h3 a').remove();
$('#services .add-edit-delete-group').show();
$('#services .save-cancel-group').hide();
$('#edit-service, #delete-service').prop('disabled', true);
$('#services .record-details .is-invalid').removeClass('is-invalid');
$('#services .record-details .form-message').hide();
}
/**
* Display a service record into the service form.
*
* @param {Object} service Contains the service record data.
*/
function display(service) {
$('#service-id').val(service.id);
$('#service-name').val(service.name);
$('#service-duration').val(service.duration);
$('#service-price').val(service.price);
$('#service-currency').val(service.currency);
$('#service-description').val(service.description);
$('#service-location').val(service.location);
$('#service-availabilities-type').val(service.availabilities_type);
$('#service-attendants-number').val(service.attendants_number);
const categoryId = service.id_categories !== null ? service.id_categories : '';
$('#service-category').val(categoryId);
}
/**
* Filters service records depending a string keyword.
*
* @param {String} keyword This is used to filter the service records of the database.
* @param {Number} selectId Optional, if set then after the filter operation the record with this
* ID will be selected (but not displayed).
* @param {Boolean} show Optional (false), if true then the selected record will be displayed on the form.
*/
function filter(keyword, selectId = null, show = false) {
App.Http.Services.search(keyword, filterLimit).then((response) => {
filterResults = response;
$('#filter-services .results').empty();
response.forEach(function (service, index) {
$('#filter-services .results').append(getFilterHtml(service)).append($('<hr/>'));
});
if (response.length === 0) {
$('#filter-services .results').append(
$('<em/>', {
'text': App.Lang.no_records_found
})
);
} else if (response.length === filterLimit) {
$('<button/>', {
'type': 'button',
'class': 'btn btn-outline-secondary w-100 load-more text-center',
'text': App.Lang.load_more,
'click': function () {
filterLimit += 20;
filter(keyword, selectId, show);
}.bind(this)
}).appendTo('#filter-services .results');
}
if (selectId) {
select(selectId, show);
}
});
}
/**
* Get Filter HTML
*
* Get a service row HTML code that is going to be displayed on the filter results list.
*
* @param {Object} service Contains the service record data.
*
* @return {String} The HTML code that represents the record on the filter results list.
*/
function getFilterHtml(service) {
const name = service.name;
const info = service.duration + ' min - ' + service.price + ' ' + service.currency;
return $('<div/>', {
'class': 'service-row entry',
'data-id': service.id,
'html': [
$('<strong/>', {
'text': name
}),
$('<br/>'),
$('<span/>', {
'text': info
}),
$('<br/>')
]
});
}
/**
* Select a specific record from the current filter results. If the service id does not exist
* in the list then no record will be selected.
*
* @param {Number} id The record id to be selected from the filter results.
* @param {Boolean} show Optional (false), if true then the method will display the record on the form.
*/
function select(id, show = false) {
$('#filter-services .selected').removeClass('selected');
$('#filter-services .service-row[data-id="' + id + '"]').addClass('selected');
if (show) {
const service = filterResults.find(function (filterResult) {
return Number(filterResult.id) === Number(id);
});
display(service);
$('#edit-service, #delete-service').prop('disabled', false);
}
}
/**
* Update the service category list box.
*
* Use this method every time a change is made to the service categories db table.
*/
function updateAvailableCategories() {
App.Http.Categories.search('', 999).then((response) => {
var $select = $('#service-category');
$select.empty();
response.forEach(function (category) {
$select.append(new Option(category.name, category.id));
});
$select.append(new Option('- ' + App.Lang.no_category + ' -', '')).val('');
});
}
/**
* Initialize the module.
*/
function initialize() {
resetForm();
filter('');
bindEventHandlers();
updateAvailableCategories();
}
document.addEventListener('DOMContentLoaded', initialize);
return {
filter,
save,
remove,
getFilterHtml,
resetForm,
select
};
})();