easyappointments/assets/js/pages/categories.js

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/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
2021-12-18 19:43:45 +03:00
* @copyright Copyright (c) Alex Tselegidis
* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
* @link https://easyappointments.org
* @since v1.0.0
* ---------------------------------------------------------------------------- */
/**
* Categories page.
*
* This module implements the functionality of the categories page.
*/
App.Pages.Categories = (function () {
const $categories = $('#categories');
const $filterCategories = $('#filter-categories');
const $id = $('#id');
const $name = $('#name');
const $description = $('#description');
let filterResults = {};
let filterLimit = 20;
/**
* Add the page event listeners.
*/
function addEventListeners() {
/**
* Event: Filter Categories Form "Submit"
*
* @param {jQuery.Event} event
*/
$categories.on('submit', '#filter-categories form', (event) => {
event.preventDefault();
const key = $('#filter-categories .key').val();
$('.selected').removeClass('selected');
resetForm();
filter(key);
});
/**
* Event: Filter Categories Row "Click"
*
* Displays the selected row data on the right side of the page.
*
* @param {jQuery.Event} event
*/
$categories.on('click', '.category-row', (event) => {
if ($('#filter-categories .filter').prop('disabled')) {
$('#filter-categories .results').css('color', '#AAA');
return; // exit because we are on edit mode
}
const categoryId = $(event.currentTarget).attr('data-id');
const category = filterResults.find((filterResult) => Number(filterResult.id) === Number(categoryId));
display(category);
$('#filter-categories .selected').removeClass('selected');
$(event.currentTarget).addClass('selected');
$('#edit-category, #delete-category').prop('disabled', false);
});
/**
* Event: Add Category Button "Click"
*/
$categories.on('click', '#add-category', () => {
resetForm();
$categories.find('.add-edit-delete-group').hide();
$categories.find('.save-cancel-group').show();
$categories.find('.record-details').find('input, select, textarea').prop('disabled', false);
$filterCategories.find('button').prop('disabled', true);
$filterCategories.find('.results').css('color', '#AAA');
});
/**
* Event: Edit Category Button "Click"
*/
$categories.on('click', '#edit-category', () => {
$categories.find('.add-edit-delete-group').hide();
$categories.find('.save-cancel-group').show();
$categories.find('.record-details').find('input, select, textarea').prop('disabled', false);
$filterCategories.find('button').prop('disabled', true);
$filterCategories.find('.results').css('color', '#AAA');
});
/**
* Event: Delete Category Button "Click"
*/
$categories.on('click', '#delete-category', () => {
const categoryId = $id.val();
const buttons = [
{
text: lang('cancel'),
click: () => {
$('#message-box').dialog('close');
}
},
{
text: lang('delete'),
click: () => {
remove(categoryId);
$('#message-box').dialog('close');
}
}
];
App.Utils.Message.show(lang('delete_category'), lang('delete_record_prompt'), buttons);
});
/**
* Event: Categories Save Button "Click"
*/
$categories.on('click', '#save-category', () => {
const category = {
name: $name.val(),
description: $description.val()
};
if ($id.val() !== '') {
category.id = $id.val();
}
if (!validate()) {
return;
}
save(category);
});
/**
* Event: Cancel Category Button "Click"
*/
$categories.on('click', '#cancel-category', () => {
const id = $id.val();
resetForm();
if (id !== '') {
select(id, true);
}
});
}
/**
* Filter service categories records.
*
* @param {String} keyword This key string is used to filter the category records.
* @param {Number} selectId Optional, if set then after the filter operation the record with the given
* 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.Categories.search(keyword, filterLimit).then((response) => {
filterResults = response;
$('#filter-categories .results').empty();
response.forEach((category) => {
$('#filter-categories .results').append(getFilterHtml(category)).append($('<hr/>'));
});
if (response.length === 0) {
$('#filter-categories .results').append(
$('<em/>', {
'text': lang('no_records_found')
})
);
} else if (response.length === filterLimit) {
$('<button/>', {
'type': 'button',
'class': 'btn btn-outline-secondary w-100 load-more text-center',
'text': lang('load_more'),
'click': () => {
filterLimit += 20;
filter(keyword, selectId, show);
}
}).appendTo('#filter-categories .results');
}
if (selectId) {
select(selectId, show);
}
});
}
/**
* Save a category record to the database (via AJAX post).
*
* @param {Object} category Contains the category data.
*/
function save(category) {
App.Http.Categories.save(category).then((response) => {
App.Layouts.Backend.displayNotification(lang('category_saved'));
resetForm();
$filterCategories.find('.key').val('');
filter('', response.id, true);
});
}
/**
* Delete category record.
*
* @param {Number} id Record ID to be deleted.
*/
function remove(id) {
App.Http.Categories.destroy(id).then(() => {
App.Layouts.Backend.displayNotification(lang('category_deleted'));
resetForm();
filter($('#filter-categories .key').val());
});
}
/**
* Display a category record on the form.
*
* @param {Object} category Contains the category data.
*/
function display(category) {
$id.val(category.id);
$name.val(category.name);
$description.val(category.description);
}
/**
* Validate category data before save (insert or update).
*
* @return {Boolean} Returns the validation result.
*/
function validate() {
$categories.find('.is-invalid').removeClass('is-invalid');
$categories.find('.form-message').removeClass('alert-danger').hide();
try {
let missingRequired = false;
$categories.find('.required').each((index, fieldEl) => {
if (!$(fieldEl).val()) {
$(fieldEl).addClass('is-invalid');
missingRequired = true;
}
});
if (missingRequired) {
throw new Error(lang('fields_are_required'));
}
return true;
} catch (error) {
$categories.find('.form-message').addClass('alert-danger').text(error.message).show();
return false;
}
}
/**
* Bring the category form back to its initial state.
*/
function resetForm() {
$filterCategories.find('.selected').removeClass('selected');
$filterCategories.find('button').prop('disabled', false);
$filterCategories.find('.results').css('color', '');
$categories.find('.add-edit-delete-group').show();
$categories.find('.save-cancel-group').hide();
$categories.find('.record-details').find('input, select, textarea').val('').prop('disabled', true);
$('#edit-category, #delete-category').prop('disabled', true);
$categories.find('.record-details .is-invalid').removeClass('is-invalid');
$categories.find('.record-details .form-message').hide();
}
/**
* Get the filter results row HTML code.
*
* @param {Object} category Contains the category data.
*
* @return {String} Returns the record HTML code.
*/
function getFilterHtml(category) {
return $('<div/>', {
'class': 'category-row entry',
'data-id': category.id,
'html': [
$('<strong/>', {
'text': category.name
}),
$('<br/>')
]
});
}
/**
* Select a specific record from the current filter results.
*
* If the category 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) {
$filterCategories.find('.selected').removeClass('selected');
$filterCategories.find('.category-row[data-id="' + id + '"]').addClass('selected');
if (show) {
const category = filterResults.find((category) => Number(category.id) === Number(id));
display(category);
$('#edit-category, #delete-category').prop('disabled', false);
}
}
/**
* Initialize the module.
*/
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function initialize() {
resetForm();
filter('');
addEventListeners();
}
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document.addEventListener('DOMContentLoaded', initialize);
return {
filter,
save,
remove,
getFilterHtml,
resetForm,
select
};
})();