easyappointments/assets/js/general_functions.js

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/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
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*
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* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
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* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link http://easyappointments.org
* @since v1.0.0
* ---------------------------------------------------------------------------- */
window.GeneralFunctions = window.GeneralFunctions || {};
/**
* General Functions Module
*
* It contains functions that apply both on the front and back end of the application.
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*
* @module GeneralFunctions
*/
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(function (exports) {
'use strict';
/**
* General Functions Constants
*/
exports.EXCEPTIONS_TITLE = EALang.unexpected_issues;
exports.EXCEPTIONS_MESSAGE = EALang.unexpected_issues_message;
exports.WARNINGS_TITLE = EALang.unexpected_warnings;
exports.WARNINGS_MESSAGE = EALang.unexpected_warnings_message;
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/**
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* This functions displays a message box in the admin array. It is useful when user
* decisions or verifications are needed.
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*
* @param {String} title The title of the message box.
* @param {String} message The message of the dialog.
* @param {Array} buttons Contains the dialog buttons along with their functions.
*/
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exports.displayMessageBox = function (title, message, buttons) {
// Check arguments integrity.
if (title == undefined || title == '') {
title = '<No Title Given>';
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}
if (message == undefined || message == '') {
message = '<No Message Given>';
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}
if (buttons == undefined) {
buttons = [
{
text: EALang.close,
click: function () {
$('#message_box').dialog('close');
}
}
];
}
// Destroy previous dialog instances.
$('#message_box').dialog('destroy');
$('#message_box').remove();
// Create the html of the message box.
$('body').append(
'<div id="message_box" title="' + title + '">' +
'<p>' + message + '</p>' +
'</div>'
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);
$("#message_box").dialog({
autoOpen: false,
modal: true,
resize: 'auto',
width: 'auto',
height: 'auto',
resizable: false,
buttons: buttons,
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closeOnEscape: true
});
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$('#message_box').dialog('open');
$('.ui-dialog .ui-dialog-buttonset button').addClass('btn btn-default');
$('#message_box .ui-dialog-titlebar-close').hide();
};
/**
* This method centers a DOM element vertically and horizontally on the page.
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*
* @param {Object} elementHandle The object that is going to be centered.
*/
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exports.centerElementOnPage = function (elementHandle) {
// Center main frame vertical middle
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$(window).resize(function () {
var elementLeft = ($(window).width() - elementHandle.outerWidth()) / 2;
var elementTop = ($(window).height() - elementHandle.outerHeight()) / 2;
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elementTop = (elementTop > 0) ? elementTop : 20;
elementHandle.css({
position: 'absolute',
left: elementLeft,
top: elementTop
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});
});
$(window).resize();
};
/**
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* This function retrieves a parameter from a "GET" formed url.
*
* {@link http://www.netlobo.com/url_query_string_javascript.html}
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*
* @param {String} url The selected url.
* @param {String} name The parameter name.
* @return {String} Returns the parameter value.
*/
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exports.getUrlParameter = function (url, parameterName) {
var parsedUrl = url.substr(url.indexOf('?')).slice(1).split('&');
for (var index in parsedUrl) {
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var parsedValue = parsedUrl[index].split('=');
if (parsedValue.length === 1 && parsedValue[0] === parameterName) {
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return '';
}
if (parsedValue.length === 2 && parsedValue[0] === parameterName) {
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return decodeURIComponent(parsedValue[1]);
}
}
return '';
};
/**
* Convert date to ISO date string.
*
* This function creates a RFC 3339 date string. This string is needed by the Google Calendar API
* in order to pass dates as parameters.
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*
* @param {Date} date The given date that will be transformed.
* @return {String} Returns the transformed string.
*/
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exports.ISODateString = function (date) {
function pad(n) {
return n < 10 ? '0' + n : n;
}
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return date.getUTCFullYear() + '-'
+ pad(date.getUTCMonth() + 1) + '-'
+ pad(date.getUTCDate()) + 'T'
+ pad(date.getUTCHours()) + ':'
+ pad(date.getUTCMinutes()) + ':'
+ pad(date.getUTCSeconds()) + 'Z';
};
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/**
* Clone JS Object
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*
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* This method creates and returns an exact copy of the provided object. It is very useful whenever
* changes need to be made to an object without modifying the original data.
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*
* {@link http://stackoverflow.com/questions/728360/most-elegant-way-to-clone-a-javascript-object}
*
* @param {Object} originalObject Object to be copied.
* @return {Object} Returns an exact copy of the provided element.
*/
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exports.clone = function (originalObject) {
// Handle the 3 simple types, and null or undefined
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if (null == originalObject || 'object' != typeof originalObject)
return originalObject;
// Handle Date
if (originalObject instanceof Date) {
var copy = new Date();
copy.setTime(originalObject.getTime());
return copy;
}
// Handle Array
if (originalObject instanceof Array) {
var copy = [];
for (var i = 0, len = originalObject.length; i < len; i++) {
copy[i] = GeneralFunctions.clone(originalObject[i]);
}
return copy;
}
// Handle Object
if (originalObject instanceof Object) {
var copy = {};
for (var attr in originalObject) {
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if (originalObject.hasOwnProperty(attr))
copy[attr] = GeneralFunctions.clone(originalObject[attr]);
}
return copy;
}
throw new Error('Unable to copy obj! Its type isn\'t supported.');
};
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/**
* Validate Email Address
*
* This method validates an email address. If the address is not on the proper
* form then the result is FALSE.
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*
* {@link http://badsyntax.co/post/javascript-email-validation-rfc822}
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*
* @param {String} email The email address to be checked.
* @return {Boolean} Returns the validation result.
*/
exports.validateEmail = function (email) {
var re = /^([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x22([^\x0d\x22\x5c\x80-\xff]|\x5c[\x00-\x7f])*\x22)(\x2e([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x22([^\x0d\x22\x5c\x80-\xff]|\x5c[\x00-\x7f])*\x22))*\x40([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x5b([^\x0d\x5b-\x5d\x80-\xff]|\x5c[\x00-\x7f])*\x5d)(\x2e([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x5b([^\x0d\x5b-\x5d\x80-\xff]|\x5c[\x00-\x7f])*\x5d))*$/;
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return re.test(email);
};
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/**
* Convert AJAX exceptions to HTML.
*
* This method returns the exception HTML display for javascript ajax calls. It uses the Bootstrap collapse
* module to show exception messages when the user opens the "Details" collapse component.
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*
* @param {Array} exceptions Contains the exceptions to be displayed.
*
* @return {String} Returns the html markup for the exceptions.
*/
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exports.exceptionsToHtml = function (exceptions) {
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var html =
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'<div class="accordion" id="error-accordion">' +
'<div class="accordion-group">' +
'<div class="accordion-heading">' +
'<button class="accordion-toggle btn btn-default btn-xs" data-toggle="collapse" ' +
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'data-parent="#error-accordion" href="#error-technical">' +
EALang.details +
'</button>' +
'</div>' +
'<br>';
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$.each(exceptions, function (index, exception) {
html +=
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'<div id="error-technical" class="accordion-body collapse">' +
'<div class="accordion-inner">' +
'<pre>' + exception.message + '</pre>' +
'</div>' +
'</div>';
});
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html += '</div></div>';
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return html;
};
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/**
* Parse AJAX Exceptions
*
* This method parse the JSON encoded strings that are fetched by AJAX calls.
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*
* @param {Array} exceptions Exception array returned by an ajax call.
*
* @return {Array} Returns the parsed js objects.
*/
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exports.parseExceptions = function (exceptions) {
var parsedExceptions = new Array();
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$.each(exceptions, function (index, exception) {
parsedExceptions.push($.parseJSON(exception));
});
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return parsedExceptions;
};
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/**
* Makes the first letter of the string upper case.
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*
* @param {String} str The string to be converted.
*
* @return {String} Returns the capitalized string.
*/
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exports.ucaseFirstLetter = function (str) {
return str.charAt(0).toUpperCase() + str.slice(1);
};
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/**
* Handle AJAX Exceptions Callback
*
* All backend js code has the same way of dislaying exceptions that are raised on the
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* server during an ajax call.
*
* @param {Object} response Contains the server response. If exceptions or warnings are
* found, user friendly messages are going to be displayed to the user.4
*
* @return {Boolean} Returns whether the the ajax callback should continue the execution or
* stop, due to critical server exceptions.
*/
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exports.handleAjaxExceptions = function (response) {
if (response.exceptions) {
response.exceptions = GeneralFunctions.parseExceptions(response.exceptions);
GeneralFunctions.displayMessageBox(GeneralFunctions.EXCEPTIONS_TITLE, GeneralFunctions.EXCEPTIONS_MESSAGE);
$('#message_box').append(GeneralFunctions.exceptionsToHtml(response.exceptions));
return false;
}
if (response.warnings) {
response.warnings = GeneralFunctions.parseExceptions(response.warnings);
GeneralFunctions.displayMessageBox(GeneralFunctions.WARNINGS_TITLE, GeneralFunctions.WARNINGS_MESSAGE);
$('#message_box').append(GeneralFunctions.exceptionsToHtml(response.warnings));
}
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return true;
};
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/**
* Enable Language Selection
*
* Enables the language selection functionality. Must be called on every page has a
* language selection button. This method requires the global variable 'availableLanguages'
* to be initialized before the execution.
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*
* @param {Object} $element Selected element button for the language selection.
*/
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exports.enableLanguageSelection = function ($element) {
// Select Language
var html = '<ul id="language-list">';
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$.each(availableLanguages, function () {
html += '<li class="language" data-language="' + this + '">'
+ GeneralFunctions.ucaseFirstLetter(this) + '</li>';
});
html += '</ul>';
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$element.popover({
placement: 'top',
title: 'Select Language',
content: html,
html: true,
container: 'body',
trigger: 'manual'
});
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$element.click(function () {
if ($('#language-list').length === 0) {
$(this).popover('show');
} else {
$(this).popover('hide');
}
$(this).toggleClass('active');
});
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$(document).on('click', 'li.language', function () {
// Change language with ajax call and refresh page.
var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_change_language';
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var postData = {
csrfToken: GlobalVariables.csrfToken,
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language: $(this).attr('data-language')
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};
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$.post(postUrl, postData, function (response) {
if (!GeneralFunctions.handleAjaxExceptions(response)) {
return;
}
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document.location.reload(true);
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}, 'json').fail(GeneralFunctions.ajaxFailureHandler);
});
};
/**
* AJAX Failure Handler
*
* @param {jqXHR} jqxhr
* @param {String} textStatus
* @param {Object} errorThrown
*/
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exports.ajaxFailureHandler = function (jqxhr, textStatus, errorThrown) {
var exceptions = [
{
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message: 'AJAX Error: ' + errorThrown + $(jqxhr.responseText).text()
}
];
GeneralFunctions.displayMessageBox(GeneralFunctions.EXCEPTIONS_TITLE, GeneralFunctions.EXCEPTIONS_MESSAGE);
$('#message_box').append(GeneralFunctions.exceptionsToHtml(exceptions));
};
/**
* Escape JS HTML string values for XSS prevention.
*
* @param {String} str String to be escaped.
*
* @return {String} Returns the escaped string.
*/
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exports.escapeHtml = function (str) {
return $('<div/>').text(str).html();
};
/**
* Format a given date according to the date format setting.
*
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* @param {Date} date The date to be formatted.
* @param {String} dateFormatSetting The setting provided by PHP must be one of
* the "DMY", "MDY" or "YMD".
* @param {Boolean} addHours (optional) Whether to add hours to the result.
* @return {String} Returns the formatted date string.
*/
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exports.formatDate = function (date, dateFormatSetting, addHours) {
var timeFormat = GlobalVariables.timeFormat === 'regular' ? 'h:mm tt' : 'HH:mm';
var hours = addHours ? ' ' + timeFormat : '';
var result;
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switch (dateFormatSetting) {
case 'DMY':
result = Date.parse(date).toString('dd/MM/yyyy' + hours);
break;
case 'MDY':
result = Date.parse(date).toString('MM/dd/yyyy' + hours);
break;
case 'YMD':
result = Date.parse(date).toString('yyyy/MM/dd' + hours);
break;
default:
throw new Error('Invalid date format setting provided!', dateFormatSetting);
}
return result;
};
/**
* Get the name in lowercase of a Weekday using its Id.
*
* @param {Integer} weekDayId The Id (From 0 for sunday to 6 for saturday).
* @return {String} Returns the name of the weekday.
*/
exports.getWeekDayName = function (weekDayId) {
var result;
switch (weekDayId) {
case 0:
result = 'sunday';
break;
case 1:
result = 'monday';
break;
case 2:
result = 'tuesday';
break;
case 3:
result = 'wednesday';
break;
case 4:
result = 'thursday';
break;
case 5:
result = 'friday';
break;
case 6:
result = 'saturday';
break;
default:
throw new Error('Invalid weekday Id provided!', weekDayId);
}
return result;
};
/**
* Sort a dictionary where keys are weekdays
*
* @param {Object} weekDict A dictionnary with weekdays as keys.
* @param {Integer} startDayId Id of the first day to start sorting (From 0 for sunday to 6 for saturday).
* @return {Object} Returns a sorted dictionary
*/
exports.sortWeekDict = function (weekDict, startDayId) {
var sortedWeekDict={};
for (var i = startDayId; i < startDayId+7; i++)
{
var weekDayname = GeneralFunctions.getWeekDayName(i%7);
sortedWeekDict[weekDayname] = weekDict[weekDayname];
}
return sortedWeekDict;
};
/**
* Get the Id of a Weekday using the US week format and day names (Sunday=0) as used in the JS code of the appli, case insensitive, short and long names supported.
*
* @param {String} weekDayName The weekday name amongs Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.
* @return {Integer} Returns the ID of the weekday.
*/
exports.getWeekDayId = function (weekDayName) {
var result;
switch (weekDayName.toLowerCase()) {
case 'sunday':
case 'sun':
result = 0;
break;
case 'monday':
case 'mon':
result = 1;
break;
case 'tuesday':
case 'tue':
result = 2;
break;
case 'wednesday':
case 'wed':
result = 3;
break;
case 'thursday':
case 'thu':
result = 4;
break;
case 'friday':
case 'fri':
result = 5;
break;
case 'saturday':
case 'sat':
result = 6;
break;
default:
throw new Error('Invalid weekday name provided!', weekDayName);
}
return result;
};
/**
* Get the name in lowercase of a Weekday using its Id.
*
* @param {Integer} weekDayId The Id (From 0 for sunday to 6 for saturday).
* @return {String} Returns the name of the weekday.
*/
exports.getWeekDayName = function (weekDayId) {
var result;
switch (weekDayId) {
case 0:
result = 'sunday';
break;
case 1:
result = 'monday';
break;
case 2:
result = 'tuesday';
break;
case 3:
result = 'wednesday';
break;
case 4:
result = 'thursday';
break;
case 5:
result = 'friday';
break;
case 6:
result = 'saturday';
break;
default:
throw new Error('Invalid weekday Id provided!', weekDayId);
}
return result;
};
/**
* Sort a dictionary where keys are weekdays
*
* @param {Object} weekDict A dictionnary with weekdays as keys.
* @param {Integer} startDayId Id of the first day to start sorting (From 0 for sunday to 6 for saturday).
* @return {Object} Returns a sorted dictionary
*/
exports.sortWeekDict = function (weekDict, startDayId) {
var sortedWeekDict={};
for (var i = startDayId; i < startDayId+7; i++)
{
var weekDayname = GeneralFunctions.getWeekDayName(i%7);
sortedWeekDict[weekDayname] = weekDict[weekDayname];
}
return sortedWeekDict;
};
/**
* Render a map icon that links to Google maps.
*
* @param {Object} user Should have the address, city, etc properties.
*
* @returns {string} The rendered HTML.
*/
exports.renderMapIcon = function (user) {
const data = [];
if (user.address) {
data.push(user.address);
}
if (user.city) {
data.push(user.city);
}
if (user.state) {
data.push(user.state);
}
if (user.zip_code) {
data.push(user.zip_code);
}
if (!data.length) {
return '';
}
return $('<div/>', {
'html': [
$('<a/>', {
'href': 'https://www.google.com/maps/place/' + data.join(','),
'target': '_blank',
'html': [
$('<span/>', {
'class': 'glyphicon glyphicon-map-marker'
})
]
})
]
})
.html();
};
/**
* Render a mail icon.
*
* @param {String} email
*
* @returns {string} The rendered HTML.
*/
exports.renderMailIcon = function (email) {
return $('<div/>', {
'html': [
$('<a/>', {
'href': 'mailto:' + email,
'target': '_blank',
'html': [
$('<span/>', {
'class': 'glyphicon glyphicon-envelope'
})
]
})
]
})
.html();
};
/**
* Render a phone icon.
*
* @param {String} phone
*
* @returns {string} The rendered HTML.
*/
exports.renderPhoneIcon = function (phone) {
return $('<div/>', {
'html': [
$('<a/>', {
'href': 'tel:' + phone,
'target': '_blank',
'html': [
$('<span/>', {
'class': 'glyphicon glyphicon-earphone'
})
]
})
]
})
.html();
};
/**
* Format a given date according to ISO 8601 date format string yyyy-mm-dd
* @param {String} date The date to be formatted.
* @param {String} dateFormatSetting The setting provided by PHP must be one of
* the "DMY", "MDY" or "YMD".
* @returns {String} Returns the formatted date string.
*/
exports.ISO8601DateString = function (date, dateFormatSetting) {
var dayArray;
// It's necessary to manually parse the date because Date.parse() not support
// some formats tha instead are supported by Easy!Appointments
// The unsupported format is dd/MM/yyyy
switch (dateFormatSetting) {
case 'DMY':
dayArray = date.split('/');
date = dayArray[2] + '-' + dayArray[1] + '-' + dayArray[0];
break;
case 'MDY':
dayArray = date.split('/');
date = dayArray[2] + '-' + dayArray[0] + '-' + dayArray[1];
break;
case 'YMD':
date = date.replace('/','-');
break;
default:
throw new Error('Invalid date format setting provided!', dateFormatSetting);
}
return date;
}
})(window.GeneralFunctions);