easyappointments/assets/js/pages/frontend_book_api.js

/* ----------------------------------------------------------------------------
 * Easy!Appointments - Open Source Web Scheduler
 *
 * @package     EasyAppointments
 * @author      A.Tselegidis <alextselegidis@gmail.com>
 * @copyright   Copyright (c) 2013 - 2020, Alex Tselegidis
 * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
 * @link        http://easyappointments.org
 * @since       v1.0.0
 * ---------------------------------------------------------------------------- */

window.FrontendBookApi = window.FrontendBookApi || {};

/**
 * Frontend Book API
 *
 * This module serves as the API consumer for the booking wizard of the app.
 *
 * @module FrontendBookApi
 */
(function (exports) {
    'use strict';

    var unavailableDatesBackup;
    var selectedDateStringBackup;
    var processingUnavailabilities = false;

    /**
     * Get Available Hours
     *
     * This function makes an AJAX call and returns the available hours for the selected service,
     * provider and date.
     *
     * @param {String} selectedDate The selected date of the available hours we need.
     */
    exports.getAvailableHours = function (selectedDate) {
        $('#available-hours').empty();

        // Find the selected service duration (it is going to be send within the "data" object).
        var serviceId = $('#select-service').val();

        // Default value of duration (in minutes).
        var serviceDuration = 15;

        var service = GlobalVariables.availableServices.find(function (availableService) {
            return Number(availableService.id) === Number(serviceId);
        });

        if (service) {
            serviceDuration = service.duration;
        }

        // If the manage mode is true then the appointment's start date should return as available too.
        var appointmentId = FrontendBook.manageMode ? GlobalVariables.appointmentData.id : null;

        // Make ajax post request and get the available hours.
        var url = GlobalVariables.baseUrl + '/index.php/booking/ajax_get_available_hours';

        var data = {
            csrf_token: GlobalVariables.csrfToken,
            service_id: $('#select-service').val(),
            provider_id: $('#select-provider').val(),
            selected_date: selectedDate,
            service_duration: serviceDuration,
            manage_mode: FrontendBook.manageMode,
            appointment_id: appointmentId
        };

        $.post(url, data).done(function (response) {
            // The response contains the available hours for the selected provider and service. Fill the available
            // hours div with response data.
            if (response.length > 0) {
                var providerId = $('#select-provider').val();

                if (providerId === 'any-provider') {
                    for (var availableProvider of GlobalVariables.availableProviders) {
                        if (availableProvider.services.indexOf(Number(serviceId)) !== -1) {
                            providerId = availableProvider.id; // Use first available provider.
                            break;
                        }
                    }
                }

                var provider = GlobalVariables.availableProviders.find(function (availableProvider) {
                    return Number(providerId) === Number(availableProvider.id);
                });

                if (!provider) {
                    throw new Error('Could not find provider.');
                }

                var providerTimezone = provider.timezone;
                var selectedTimezone = $('#select-timezone').val();
                var timeFormat = GlobalVariables.timeFormat === 'regular' ? 'h:mm a' : 'HH:mm';

                response.forEach(function (availableHour) {
                    var availableHourMoment = moment
                        .tz(selectedDate + ' ' + availableHour + ':00', providerTimezone)
                        .tz(selectedTimezone);

                    if (availableHourMoment.format('YYYY-MM-DD') !== selectedDate) {
                        return; // Due to the selected timezone the available hour belongs to another date.
                    }

                    $('#available-hours').append(
                        $('<button/>', {
                            'class': 'btn btn-outline-secondary w-100 shadow-none available-hour',
                            'data': {
                                'value': availableHour
                            },
                            'text': availableHourMoment.format(timeFormat)
                        })
                    );
                });

                if (FrontendBook.manageMode) {
                    // Set the appointment's start time as the default selection.
                    $('.available-hour')
                        .removeClass('selected-hour')
                        .filter(function () {
                            return (
                                $(this).text() ===
                                moment(GlobalVariables.appointmentData.start_datetime).format(timeFormat)
                            );
                        })
                        .addClass('selected-hour');
                } else {
                    // Set the first available hour as the default selection.
                    $('.available-hour:eq(0)').addClass('selected-hour');
                }

                FrontendBook.updateConfirmFrame();
            }

            if (!$('.available-hour').length) {
                $('#available-hours').text(App.Lang.no_available_hours);
            }
        });
    };

    /**
     * Register an appointment to the database.
     *
     * This method will make an ajax call to the appointments controller that will register
     * the appointment to the database.
     */
    exports.registerAppointment = function () {
        var $captchaText = $('.captcha-text');

        if ($captchaText.length > 0) {
            $captchaText.removeClass('is-invalid');
            if ($captchaText.val() === '') {
                $captchaText.addClass('is-invalid');
                return;
            }
        }

        var formData = JSON.parse($('input[name="post_data"]').val());

        var data = {
            csrf_token: GlobalVariables.csrfToken,
            post_data: formData
        };

        if ($captchaText.length > 0) {
            data.captcha = $captchaText.val();
        }

        if (GlobalVariables.manageMode) {
            data.exclude_appointment_id = GlobalVariables.appointmentData.id;
        }

        var url = GlobalVariables.baseUrl + '/index.php/booking/ajax_register_appointment';

        var $layer = $('<div/>');

        $.ajax({
            url: url,
            method: 'post',
            data: data,
            dataType: 'json',
            beforeSend: function (jqxhr, settings) {
                $layer.appendTo('body').css({
                    background: 'white',
                    position: 'fixed',
                    top: '0',
                    left: '0',
                    height: '100vh',
                    width: '100vw',
                    opacity: '0.5'
                });
            }
        })
            .done(function (response) {
                if (response.captcha_verification === false) {
                    $('#captcha-hint').text(App.Lang.captcha_is_wrong).fadeTo(400, 1);

                    setTimeout(function () {
                        $('#captcha-hint').fadeTo(400, 0);
                    }, 3000);

                    $('.captcha-title button').trigger('click');

                    $captchaText.addClass('is-invalid');

                    return false;
                }

                window.location.href =
                    GlobalVariables.baseUrl + '/index.php/booking_confirmation/of/' + response.appointment_hash;
            })
            .fail(function (jqxhr, textStatus, errorThrown) {
                $('.captcha-title button').trigger('click');
            })
            .always(function () {
                $layer.remove();
            });
    };

    /**
     * Get the unavailable dates of a provider.
     *
     * This method will fetch the unavailable dates of the selected provider and service and then it will
     * select the first available date (if any). It uses the "FrontendBookApi.getAvailableHours" method to
     * fetch the appointment* hours of the selected date.
     *
     * @param {Number} providerId The selected provider ID.
     * @param {Number} serviceId The selected service ID.
     * @param {String} selectedDateString Y-m-d value of the selected date.
     */
    exports.getUnavailableDates = function (providerId, serviceId, selectedDateString) {
        if (processingUnavailabilities) {
            return;
        }

        if (!providerId || !serviceId) {
            return;
        }

        var appointmentId = FrontendBook.manageMode ? GlobalVariables.appointmentData.id : null;

        var url = GlobalVariables.baseUrl + '/index.php/booking/ajax_get_unavailable_dates';

        var data = {
            provider_id: providerId,
            service_id: serviceId,
            selected_date: encodeURIComponent(selectedDateString),
            csrf_token: GlobalVariables.csrfToken,
            manage_mode: FrontendBook.manageMode,
            appointment_id: appointmentId
        };

        $.ajax({
            url: url,
            type: 'GET',
            data: data,
            dataType: 'json'
        }).done(function (response) {
            unavailableDatesBackup = response;
            selectedDateStringBackup = selectedDateString;
            applyUnavailableDates(response, selectedDateString, true);
        });
    };

    exports.applyPreviousUnavailableDates = function () {
        applyUnavailableDates(unavailableDatesBackup, selectedDateStringBackup);
    };

    function applyUnavailableDates(unavailableDates, selectedDateString, setDate) {
        setDate = setDate || false;

        processingUnavailabilities = true;

        // Select first enabled date.
        var selectedDateMoment = moment(selectedDateString);
        var selectedDate = selectedDateMoment.toDate();
        var numberOfDays = selectedDateMoment.daysInMonth();

        if (setDate && !GlobalVariables.manageMode) {
            for (var i = 1; i <= numberOfDays; i++) {
                var currentDate = new Date(selectedDate.getFullYear(), selectedDate.getMonth(), i);
                if (unavailableDates.indexOf(moment(currentDate).format('YYYY-MM-DD')) === -1) {
                    $('#select-date').datepicker('setDate', currentDate);
                    FrontendBookApi.getAvailableHours(moment(currentDate).format('YYYY-MM-DD'));
                    break;
                }
            }
        }

        // If all the days are unavailable then hide the appointments hours.
        if (unavailableDates.length === numberOfDays) {
            $('#available-hours').text(App.Lang.no_available_hours);
        }

        // Grey out unavailable dates.
        $('#select-date .ui-datepicker-calendar td:not(.ui-datepicker-other-month)').each(function (index, td) {
            selectedDateMoment.set({day: index + 1});
            if (unavailableDates.indexOf(selectedDateMoment.format('YYYY-MM-DD')) !== -1) {
                $(td).addClass('ui-datepicker-unselectable ui-state-disabled');
            }
        });

        processingUnavailabilities = false;
    }

    /**
     * Save the user's consent.
     *
     * @param {Object} consent Contains user's consents.
     */
    exports.saveConsent = function (consent) {
        var url = GlobalVariables.baseUrl + '/index.php/consents/ajax_save_consent';

        var data = {
            csrf_token: GlobalVariables.csrfToken,
            consent: consent
        };

        $.post(url, data);
    };

    /**
     * Delete personal information.
     *
     * @param {Number} customerToken Customer unique token.
     */
    exports.deletePersonalInformation = function (customerToken) {
        var url = GlobalVariables.baseUrl + '/index.php/privacy/ajax_delete_personal_information';

        var data = {
            csrf_token: GlobalVariables.csrfToken,
            customer_token: customerToken
        };

        $.post(url, data).done(function () {
            window.location.href = GlobalVariables.baseUrl;
        });
    };
})(window.FrontendBookApi);