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<h1 class="page-title">Source: frontend/book_appointment.js</h1>
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<pre class="prettyprint source"><code>/**
* This class implements the book appointment page functionality. Once
* the initialize() method is called the page is fully functional and
* can serve the appointment booking process.
*
* @class Implements the js part of the appointment booking page.
*/
var bookAppointment = {
/**
* Determines the functionality of the page.
*
* @type Boolean
*/
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
}
bookAppointment.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) {
bookAppointment.getAvailableHours(dateText);
bookAppointment.updateConfirmFrame();
}
});
// Bind the event handlers (might not be necessary every time
// we use this class).
if (bindEventHandlers) {
bookAppointment.bindEventHandlers();
}
// If the manage mode is true, the appointments data should be
// loaded by default.
if (bookAppointment.manageMode) {
bookAppointment.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() {
bookAppointment.getAvailableHours(Date.today().toString('dd-MM-yyyy'));
bookAppointment.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);
}
});
});
bookAppointment.getAvailableHours(Date.today().toString('dd-MM-yyyy'));
bookAppointment.updateConfirmFrame();
});
/**
* 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 (!bookAppointment.validateCustomerForm()) {
return; // Validation failed, do not continue.
} else {
bookAppointment.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');
bookAppointment.updateConfirmFrame();
});
},
/**
* 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 = (bookAppointment.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' : bookAppointment.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(postResponse) {
////////////////////////////////////////////////////////////////////////////////
//console.log('\n\n Get Available Hours Post Response :', postResponse, '\n\n');
////////////////////////////////////////////////////////////////////////////////
try {
var jsonResponse = jQuery.parseJSON(postResponse);
////////////////////////////////////////////////////////////////////////////////
//console.log('\n\n Get Available Hours JSON Response :', jsonResponse, '\n\n');
////////////////////////////////////////////////////////////////////////////////
if (jsonResponse.length > 0) {
// Fill the available time div
var currColumn = 1;
$('#available-hours').html('&lt;div style="width:50px; float:left;">&lt;/div>');
$.each(jsonResponse, 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 (bookAppointment.manageMode) {
// Set the appointment start time as selected.
$('.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 item as selected.
$('.available-hour:eq(0)').addClass('selected-hour');
}
bookAppointment.updateConfirmFrame();
} else {
$('#available-hours').text('There are no available appointment'
+ 'hours for the selected date. Please choose another '
+ 'date.');
}
} catch(exception) {
GeneralFunctions.displayMessageBox('Unexpected Error', 'An unexpected '
+ 'error occured during the available hours calculation. Please '
+ 'refresh the page and try again.');
}
});
},
/**
* This function validates the customer's data input.
* It only checks for empty fields by the time.
*
* @return {bool} Returns the validation result.
*/
validateCustomerForm : function() {
var validationResult = true;
$('.required').css('border', '');
$('.required').each(function() {
if ($(this).val() == '') {
validationResult = false;
$(this).css('border', '2px solid red');
}
});
return validationResult;
},
/**
* Every time this function is executed, it updates the confirmation
* page with the latest customer settigns and input for the appointment
* booking.
*/
updateConfirmFrame : function() {
/*** SET APPOINTMENT INFO ***/
var selectedDate = $('#select-date').datepicker('getDate');
if (selectedDate !== null) {
selectedDate = Date.parse(selectedDate).toString('dd-MM-yyyy');
}
$('#appointment-info').html(
'&lt;h4>' + $('#select-service option:selected').text() + '&lt;/h4>' +
$('#select-provider option:selected').text() + '&lt;br/>' +
'&lt;strong class="text-info">' + selectedDate + ' '
+ $('.selected-hour').text() + '&lt;/strong>'
);
/*** SET CUSTOMER'S INFO ***/
$('#customer-info').html(
'&lt;h4>' + $('#last-name').val() + ' ' + $('#first-name').val() + '&lt;/h4>' +
'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()
);
/*** UPDATE FORM POST DATA ***/
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' : bookAppointment.calcEndDatetime(),
'notes' : $('#notes').val(),
'id_users_provider' : $('#select-provider').val(),
'id_services' : $('#select-service').val()
};
postData['manage_mode'] = bookAppointment.manageMode;
if (bookAppointment.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} appointmentData Selected appointment's data.
* @param {object} providerData Selected provider's data.
* @param {object} customerData Selected customer's data.
* @returns {bool} Returns the operation result.
*/
applyAppointmentData : function(appointmentData, providerData, customerData) {
try {
// Select Service & Provider
$('#select-service').val(appointmentData['id_services']).trigger('change');
$('#select-provider').val(appointmentData['id_users_provider']);
// Set Appointment Date
$('#select-date').datepicker('setDate', Date.parseExact(
appointmentData['start_datetime'], 'yyyy-MM-dd HH:mm:ss'));
bookAppointment.getAvailableHours($('#select-date').val());
// Apply Customer's Data
$('#last-name').val(customerData['last_name']);
$('#first-name').val(customerData['first_name']);
$('#email').val(customerData['email']);
$('#phone-number').val(customerData['phone_number']);
$('#address').val(customerData['address']);
$('#city').val(customerData['city']);
$('#zip-code').val(customerData['zip_code']);
var appointmentNotes = (appointmentData['notes'] !== null) ? appointmentData['notes'] : '';
$('#notes').val(appointmentNotes);
bookAppointment.updateConfirmFrame();
return true;
} catch(exc) {
console.log(exc);
return false;
}
}
}</code></pre>
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<h2><a href="index.html">Index</a></h2><h3>Classes</h3><ul><li><a href="bookAppointment.html">bookAppointment</a></li></ul><h3>Namespaces</h3><ul><li><a href="functions..html">General javascript functions.</a></li></ul>
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