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easyappointments/doc/code/js/frontend_book.js.html
alextselegidis@gmail.com f0fd08e444 * Updated database structure and added new sample data. 
* Regenerated code docs (js + php).
* Added custom error 404 page.
* Added service price and description in the appointment booking wizard.
* Completed Issue #21 - devide services in categories in the appointment booking wizard.
* Completed the backend user management page.
2013-09-13 13:21:03 +00:00

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<h1 class="page-title">Source: frontend_book.js</h1>
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<pre class="prettyprint source"><code>/**
* This namespace contains functions that implement the book appointment page
* functionality. Once the initialize() method is called the page is fully
* functional and can serve the appointment booking process.
*
* @namespace FrontendBook
*/
var FrontendBook = {
/**
* Determines the functionality of the page.
*
* @type {bool}
*/
manageMode: false,
/**
* This method initializes the book appointment page.
*
* @param {bool} bindEventHandlers (OPTIONAL) Determines whether the default
* event handlers will be binded to the dom elements.
* @param {bool} manageMode (OPTIONAL) Determines whether the customer is going
* to make changes to an existing appointment rather than booking a new one.
*/
initialize: function(bindEventHandlers, manageMode) {
if (bindEventHandlers === undefined) {
bindEventHandlers = true; // Default Value
}
if (manageMode === undefined) {
manageMode = false; // Default Value
}
FrontendBook.manageMode = manageMode;
// Initialize page's components (tooltips, datepickers etc).
$('.book-step').qtip({
position: {
my: 'top center',
at: 'bottom center'
},
style: {
classes: 'qtip-green qtip-shadow custom-qtip'
}
});
$('#select-date').datepicker({
dateFormat: 'dd-mm-yy',
minDate: 0,
defaultDate: Date.today(),
onSelect: function(dateText, instance) {
FrontendBook.getAvailableHours(dateText);
FrontendBook.updateConfirmFrame();
}
});
// Bind the event handlers (might not be necessary every time
// we use this class).
if (bindEventHandlers) {
FrontendBook.bindEventHandlers();
}
// If the manage mode is true, the appointments data should be
// loaded by default.
if (FrontendBook.manageMode) {
FrontendBook.applyAppointmentData(GlobalVariables.appointmentData,
GlobalVariables.providerData, GlobalVariables.customerData);
} else {
$('#select-service').trigger('change'); // Load the available hours.
}
},
/**
* This method binds the necessary event handlers for the book
* appointments page.
*/
bindEventHandlers: function() {
/**
* Event: Selected Provider "Changed"
*
* Whenever the provider changes the available appointment
* date - time periods must be updated.
*/
$('#select-provider').change(function() {
FrontendBook.getAvailableHours(Date.today().toString('dd-MM-yyyy'));
FrontendBook.updateConfirmFrame();
});
/**
* Event: Selected Service "Changed"
*
* When the user clicks on a service, its available providers should
* become visible.
*/
$('#select-service').change(function() {
var currServiceId = $('#select-service').val();
$('#select-provider').empty();
$.each(GlobalVariables.availableProviders, function(indexProvider, provider) {
$.each(provider['services'], function(indexService, serviceId) {
// If the current provider is able to provide the selected service,
// add him to the listbox.
if (serviceId == currServiceId) {
var optionHtml = '&lt;option value="' + provider['id'] + '">'
+ provider['last_name'] + ' ' + provider['first_name']
+ '&lt;/option>';
$('#select-provider').append(optionHtml);
}
});
});
FrontendBook.getAvailableHours(Date.today().toString('dd-MM-yyyy'));
FrontendBook.updateConfirmFrame();
FrontendBook.updateServiceDescription($('#select-service').val(), $('#service-description'));
});
/**
* Event: Next Step Button "Clicked"
*
* This handler is triggered every time the user pressed the
* "next" button on the book wizard. Some special tasks might
* be perfomed, depending the current wizard step.
*/
$('.button-next').click(function() {
// If we are on the 2nd tab then the user should have an appointment hour
// selected.
if ($(this).attr('data-step_index') === '2') {
if ($('.selected-hour').length == 0) {
if ($('#select-hour-prompt').length == 0) {
$('#available-hours').append('&lt;br>&lt;br>'
+ '&lt;strong id="select-hour-prompt" class="text-error">'
+ 'Please select an appointment hour before continuing!'
+ '&lt;/strong>');
}
return;
}
}
// If we are on the 3rd tab then we will need to validate the user's
// input before proceeding to the next step.
if ($(this).attr('data-step_index') === '3') {
if (!FrontendBook.validateCustomerForm()) {
return; // Validation failed, do not continue.
} else {
FrontendBook.updateConfirmFrame();
}
}
// Display the next step tab (uses jquery animation effect).
var nextTabIndex = parseInt($(this).attr('data-step_index')) + 1;
$(this).parents().eq(1).hide('fade', function() {
$('.active-step').removeClass('active-step');
$('#step-' + nextTabIndex).addClass('active-step');
$('#wizard-frame-' + nextTabIndex).show('fade');
});
});
/**
* Event: Back Step Button "Clicked"
*
* This handler is triggered every time the user pressed the
* "back" button on the book wizard.
*/
$('.button-back').click(function() {
var prevTabIndex = parseInt($(this).attr('data-step_index')) - 1;
$(this).parents().eq(1).hide('fade', function() {
$('.active-step').removeClass('active-step');
$('#step-' + prevTabIndex).addClass('active-step');
$('#wizard-frame-' + prevTabIndex).show('fade');
});
});
/**
* Event: Available Hour "Click"
*
* Triggered whenever the user clicks on an available hour
* for his appointment.
*/
$('#available-hours').on('click', '.available-hour', function() {
$('.selected-hour').removeClass('selected-hour');
$(this).addClass('selected-hour');
FrontendBook.updateConfirmFrame();
});
if (FrontendBook.manageMode) {
/**
* Event: Cancel Appointment Button "Click"
*
* When the user clicks the "Cancel" button this form is going to
* be submitted. We need the user to confirm this action because
* once the appointment is cancelled, it will be delete from the
* database.
*/
$('#cancel-appointment').click(function() {
event.preventDefault();
var dialogButtons = {
'OK': function() {
if ($('#cancel-reason').val() === '') {
$('#cancel-reason').css('border', '2px solid red');
return;
}
$('#cancel-appointment-form textarea').val($('#cancel-reason').val());
$('#cancel-appointment-form').submit();
},
'Cancel': function() {
$('#message_box').dialog('close');
}
};
GeneralFunctions.displayMessageBox('Cancel Appointment', 'Please take a '
+ 'minute to write the reason you are cancelling the appointment:',
dialogButtons);
$('#message_box').append('&lt;textarea id="cancel-reason">&lt;/textarea>');
$('#cancel-reason').css('width', '300px');
});
}
/**
* Event: Book Appointment Form "Submit"
*
* Before the form is submitted to the server we need to make sure that
* in the meantime the selected appointment date/time wasn't reserved by
* another customer or event.
*/
$('#book-appointment-form').submit(function() {
event.preventDefault();
var formData = jQuery.parseJSON($('input[name="post_data"]').val());
var postData = {
'id_users_provider': formData['appointment']['id_users_provider'],
'id_services': formData['appointment']['id_services'],
'start_datetime': formData['appointment']['start_datetime']
};
var postUrl = GlobalVariables.baseUrl + 'appointments/ajax_check_datetime_availability';
$.post(postUrl, postData, function(response) {
////////////////////////////////////////////////////////////////////////
console.log('Check Date/Time Availability Post Response :', response);
////////////////////////////////////////////////////////////////////////
if (response.exceptions) {
response.exceptions = GeneralFunctions.parseExceptions(response.exceptions);
GeneralFunctions.displayMessageBox('Unexpected Issues', 'Unfortunately '
+ 'the check appointment time availability could not be completed. '
+ 'The following issues occured:');
$('#message_box').append(GeneralFunctions.exceptionsToHtml(response.exceptions));
return;
}
if (response === true) {
$('#book-appointment-form').submit();
} else {
GeneralFunctions.displayMessageBox('Appointment Hour Taken', 'Unfortunately '
+ 'the selected appointment hour is not available anymore. Please select '
+ 'another hour.');
FrontendBook.getAvailableHours($('#select-date').val());
}
}, 'json');
});
},
/**
* This function makes an ajax call and returns the available
* hours for the selected service, provider and date.
*
* @param {string} selDate The selected date of which the available
* hours we need to receive.
*/
getAvailableHours: function(selDate) {
// Find the selected service duration (it is going to
// be send within the "postData" object.
var selServiceDuration = 15; // Default value of duration (in minutes).
$.each(GlobalVariables.availableServices, function(index, service) {
if (service['id'] == $('#select-service').val()) {
selServiceDuration = 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'] : undefined;
var postData = {
'service_id': $('#select-service').val(),
'provider_id': $('#select-provider').val(),
'selected_date': selDate,
'service_duration': selServiceDuration,
'manage_mode': FrontendBook.manageMode,
'appointment_id': appointmentId
}
// Make ajax post request and get the available hours.
var ajaxurl = GlobalVariables.baseUrl + 'appointments/ajax_get_available_hours';
jQuery.post(ajaxurl, postData, function(response) {
///////////////////////////////////////////////////////////////
//console.log('Get Available Hours JSON Response :', response);
///////////////////////////////////////////////////////////////
if (response.exceptions) {
// Display a friendly message to the user with the exceptions information.
response.exceptions = GeneralFunctions.parseExceptions(response.exceptions);
GeneralFunctions.displayMessageBox('Unexpected Error', 'An unexpected '
+ 'error occured during the available hours calculation. Please '
+ 'refresh the page and try again.');
$('#message_box').append(GeneralFunctions.exceptionsToHtml(response.exceptions));
console.log('Get Available Hours Exceptions:', response.exceptions);
return;
}
// 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 currColumn = 1;
$('#available-hours').html('&lt;div style="width:50px; float:left;">&lt;/div>');
$.each(response, function(index, availableHour) {
if ((currColumn * 10) &lt; (index + 1)) {
currColumn++;
$('#available-hours').append('&lt;div style="width:50px; float:left;">&lt;/div>');
}
$('#available-hours div:eq(' + (currColumn - 1) + ')').append(
'&lt;span class="available-hour">' + availableHour + '&lt;/span>&lt;br/>');
});
if (FrontendBook.manageMode) {
// Set the appointment's start time as the default selection.
$('.available-hour').removeClass('selected-hour');
$('.available-hour').filter(function() {
return $(this).text() === Date.parseExact(
GlobalVariables.appointmentData['start_datetime'],
'yyyy-MM-dd HH:mm:ss').toString('HH:mm');
}).addClass('selected-hour');
} else {
// Set the first available hour as the default selection.
$('.available-hour:eq(0)').addClass('selected-hour');
}
FrontendBook.updateConfirmFrame();
} else {
$('#available-hours').text('There are no available appointment '
+ 'hours for the selected date. Please choose another date.');
}
}, 'json');
},
/**
* This function validates the customer's data input. The user cannot contiue
* without passing all the validation checks.
*
* @return {bool} Returns the validation result.
*/
validateCustomerForm: function() {
$('#wizard-frame-3 input').css('border', '');
try {
// Validate required fields.
var missingRequiredField = false;
$('.required').each(function() {
if ($(this).val() == '') {
$(this).css('border', '2px solid red');
missingRequiredField = true;
}
});
if (missingRequiredField) {
throw 'Fields with * are required!';
}
// Validate email address.
if (!GeneralFunctions.validateEmail($('#email').val())) {
$('#email').css('border', '2px solid red');
throw 'Invalid email address!';
}
return true;
} catch(exc) {
$('#form-message').text(exc);
return false;
}
},
/**
* Every time this function is executed, it updates the confirmation
* page with the latest customer settigns and input for the appointment
* booking.
*/
updateConfirmFrame: function() {
// Appointment Details
var selectedDate = $('#select-date').datepicker('getDate');
if (selectedDate !== null) {
selectedDate = Date.parse(selectedDate).toString('dd/MM/yyyy');
}
var selServiceId = $('#select-service').val();
var servicePrice, serviceCurrency;
$.each(GlobalVariables.availableServices, function(index, service) {
if (service.id == selServiceId) {
servicePrice = '&lt;br>' + service.price;
serviceCurrency = service.currency;
return false; // break loop
}
});
$('#appointment-details').html(
'&lt;h4>' + $('#select-service option:selected').text() + '&lt;/h4>' +
'&lt;p>'
+ '&lt;strong class="text-info">'
+ $('#select-provider option:selected').text() + '&lt;br>'
+ selectedDate + ' ' + $('.selected-hour').text()
+ servicePrice + ' ' + serviceCurrency
+ '&lt;/strong>' +
'&lt;/p>'
);
// Customer Details
$('#customer-details').html(
'&lt;h4>' + $('#first-name').val() + ' ' + $('#last-name').val() + '&lt;/h4>' +
'&lt;p>' +
'Phone: ' + $('#phone-number').val() +
'&lt;br/>' +
'Email: ' + $('#email').val() +
'&lt;br/>' +
'Address: ' + $('#address').val() +
'&lt;br/>' +
'City: ' + $('#city').val() +
'&lt;br/>' +
'Zip Code: ' + $('#zip-code').val() +
'&lt;/p>'
);
// Update appointment form data for submission to server when the user confirms
// the appointment.
var postData = new Object();
postData['customer'] = {
'last_name': $('#last-name').val(),
'first_name': $('#first-name').val(),
'email': $('#email').val(),
'phone_number': $('#phone-number').val(),
'address': $('#address').val(),
'city': $('#city').val(),
'zip_code': $('#zip-code').val()
};
postData['appointment'] = {
'start_datetime': $('#select-date').datepicker('getDate').toString('yyyy-MM-dd')
+ ' ' + $('.selected-hour').text() + ':00',
'end_datetime': FrontendBook.calcEndDatetime(),
'notes': $('#notes').val(),
'is_unavailable': false,
'id_users_provider': $('#select-provider').val(),
'id_services': $('#select-service').val()
};
postData['manage_mode'] = FrontendBook.manageMode;
if (FrontendBook.manageMode) {
postData['appointment']['id'] = GlobalVariables.appointmentData['id'];
postData['customer']['id'] = GlobalVariables.customerData['id'];
}
$('input[name="post_data"]').val(JSON.stringify(postData));
},
/**
* This method calculates the end datetime of the current appointment.
* End datetime is depending on the service and start datetime fieldss.
*
* @return {string} Returns the end datetime in string format.
*/
calcEndDatetime: function() {
// Find selected service duration.
var selServiceDuration = undefined;
$.each(GlobalVariables.availableServices, function(index, service) {
if (service.id == $('#select-service').val()) {
selServiceDuration = service.duration;
return; // Stop searching ...
}
});
// Add the duration to the start datetime.
var startDatetime = $('#select-date').datepicker('getDate').toString('dd-MM-yyyy')
+ ' ' + $('.selected-hour').text();
startDatetime = Date.parseExact(startDatetime, 'dd-MM-yyyy HH:mm');
var endDatetime = undefined;
if (selServiceDuration !== undefined && startDatetime !== null) {
endDatetime = startDatetime.add({ 'minutes' : parseInt(selServiceDuration) });
} else {
endDatetime = new Date();
}
return endDatetime.toString('yyyy-MM-dd HH:mm:ss');
},
/**
* This method applies the appointment's data to the wizard so
* that the user can start making changes on an existing record.
*
* @param {object} appointment Selected appointment's data.
* @param {object} provider Selected provider's data.
* @param {object} customer Selected customer's data.
* @returns {bool} Returns the operation result.
*/
applyAppointmentData: function(appointment, provider, customer) {
try {
// Select Service & Provider
$('#select-service').val(appointment['id_services']).trigger('change');
$('#select-provider').val(appointment['id_users_provider']);
// Set Appointment Date
$('#select-date').datepicker('setDate', Date.parseExact(
appointment['start_datetime'], 'yyyy-MM-dd HH:mm:ss'));
FrontendBook.getAvailableHours($('#select-date').val());
// Apply Customer's Data
$('#last-name').val(customer['last_name']);
$('#first-name').val(customer['first_name']);
$('#email').val(customer['email']);
$('#phone-number').val(customer['phone_number']);
$('#address').val(customer['address']);
$('#city').val(customer['city']);
$('#zip-code').val(customer['zip_code']);
var appointmentNotes = (appointment['notes'] !== null)
? appointment['notes'] : '';
$('#notes').val(appointmentNotes);
FrontendBook.updateConfirmFrame();
return true;
} catch(exc) {
console.log(exc); // log exception
return false;
}
},
/**
* This method updates a div's html content with a brief description of the
* user selected service (only if available in db). This is usefull for the
* customers upon selecting the correct service.
*
* @param {int} serviceId The selected service record id.
* @param {object} $div The destination div jquery object (e.g. provide $('#div-id')
* object as value).
*/
updateServiceDescription: function(serviceId, $div) {
var html = '';
$.each(GlobalVariables.availableServices, function(index, service) {
if (service.id == serviceId) { // Just found the service.
html = '&lt;strong>' + service.name + ':&lt;/strong> ';
if (service.description != '' && service.description != null) {
html += service.description;
}
if (service.price != '' && service.price != null) {
html += ' [Price ' + service.price + ' ' + service.currency + ']';
}
html += '&lt;br>';
return false;
}
});
$div.html(html);
if (html != '') {
$div.show();
} else {
$div.hide();
}
}
};</code></pre>
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<h2><a href="index.html">Index</a></h2><h3>Classes</h3><ul><li><a href="AdminsHelper.html">AdminsHelper</a></li><li><a href="CategoriesHelper.html">CategoriesHelper</a></li><li><a href="ProvidersHelper.html">ProvidersHelper</a></li><li><a href="SecretariesHelper.html">SecretariesHelper</a></li><li><a href="ServicesHelper.html">ServicesHelper</a></li></ul><h3>Namespaces</h3><ul><li><a href="Backend.html">Backend</a></li><li><a href="Customers.html">Backend Customers</a></li><li><a href="BackendCalendar.html">BackendCalendar</a></li><li><a href="BackendServices.html">BackendServices</a></li><li><a href="BackendUsers..html">BackendUsers.</a></li><li><a href="FrontendBook.html">FrontendBook</a></li><li><a href="GeneralFunctions.html">GeneralFunctions</a></li></ul>
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