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utils.js
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utils.js
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var Utils = {
/**
* Return if a parameter os a function is defined
*/
isDefined: function(param) {
return typeof(param) != 'undefined';
},
getDefinedOrDefault: function(param, defaultValue) {
if (!this.isDefined(param)) {
return defaultValue;
}
return param;
},
pad: function(value, padString, repeat, position) {
position = this.getDefinedOrDefault(position, 'left');
if (!value) value = '';
value = value + ""; // Force to convert to string
var valueLength = value.length;
var finalValue = '';
for (var i = 0; i < repeat - valueLength; i++) {
finalValue += padString;
}
if (position == 'left') {
finalValue = finalValue + value;
} else {
finalValue = value + finalValue;
}
return finalValue;
}
};
/**
* URL Module
*/
Utils.URL = {
appendParams: function(url, paramsObject, appendIfNull, valueIfNull) {
var paramsString = this.getParamsString(paramsObject, appendIfNull, valueIfNull);
// Check if url contains a '?', If this is not the last char, we append the params with '&'
var pointIndex = url.indexOf('?');
var charSeparator = '?';
if (pointIndex < 0) {
// There's no '?' character on url string
charSeparator = '?';
} else {
if (pointIndex == (url.length - 1)) {
// In this case, '?' is the last digit, so we have to only append url.
charSeparator = '';
} else {
charSeparator = '&';
}
}
return url + charSeparator + paramsString;
},
getParamsString: function(paramsObject, appendIfNull, valueIfNull) {
var urlParams = [];
if (!Utils.isDefined(appendIfNull)) appendIfNull = true;
if (!Utils.isDefined(valueIfNull)) valueIfNull = '';
for (var key in paramsObject) {
if (paramsObject.hasOwnProperty(key)) {
var value = paramsObject[key];
if (!Utils.isDefined(value) || value === null || value == undefined) {
if (appendIfNull) {
urlParams.push(key + '=' + valueIfNull);
}
} else {
urlParams.push(key + '=' + paramsObject[key]);
}
}
}
return urlParams.join('&');
}
}
/**
* Currency Module
*/
Utils.Currency = {
_defaultCurrency: 'EUR',
/**
* Format a string or float number into a currency format
* Based on https://stackoverflow.com/a/14428340/1848721
* @param value string|float The value to be converted
* @param currency(optional) string A 3 digits code of currency. Eg: EUR. The default is EUR
* @param showSymbol(optional) boolean Default is true.
* @returns string A formated currency
*/
formatCurrency: function(value, currencyCode, showSymbol) {
if (!Utils.isDefined(currencyCode)) {
currencyCode = this._defaultCurrency;
}
if (!Utils.isDefined(showSymbol)) {
showSymbol = true;
}
currencyConfig = this.getCurrencyConfig(currencyCode);
value = parseFloat(value); // Always try to convert to float.
var ds = currencyConfig.decimal;
var ts = currencyConfig.thousand;
var result = value.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); // Transform to a string with decimal as dot and comma in thousand
// Now we will work in replace decimal and thousand separator
if (ds != '.' || ts != ',') {
// If separators are differente for previous patter in result, we have to replace signs
result = result.replace(/,/g, '|').replace(/\./g, ds).replace(/\|/g, ts);
}
// Now return with symbol
if (showSymbol) {
if (currencyConfig.position == 'start') {
result = currencyConfig.symbol + ' ' + result;
} else {
result += ' ' + currencyConfig.symbol;
}
}
return result;
},
/**
* Search for a currency with Currency code or currency symbol.
* Because currency Configs are in array format to be more legible. This method returns a structured currencyConfig object:
* @returns Object In the following format: {'code': 'EUR', 'symbol': '€', decimal: '.', thousand: ','}
*/
getCurrencyConfig: function(currencyCode) {
var currencyConfig = this._currencies[currencyCode];
if (!currencyConfig) {
// If not found a key, we try to find by currency symbol
for (var key in this._currencies) {
// The check for hasOwnProperty is because this loop can get another object parent property
if (this._currencies.hasOwnProperty(key)) {
if (this._currencies[key][0] == currencyCode) {
currencyCode = key;
currencyConfig = this._currencies[key];
break;
}
}
}
}
return this._currencyConfigObject(currencyCode, currencyConfig);
},
_currencyConfigObject: function(currencyCode, currencyConfig) {
if (!currencyCode || !currencyConfig || currencyConfig.length != 3) return null;
return {code: currencyCode, symbol: currencyConfig[0], decimal: currencyConfig[1], thousand: currencyConfig[2], position: currencyConfig[3]};
},
/**
* A list of currencies to be used in Currency format
* The format is: [Currency Symbol, Decimal Separator, Thousand separator, symbol_position]
*/
_currencies: {
'EUR': ['€', ',', '.', 'end'],
'USD': ['$', '.', ',', 'start'],
'BRL': ['R$', ',', '.', 'end']
},
}
/**
* Datetime Module
*/
Utils.Datetime = {
formatSecondsToTime: function(seconds) {
console.log(seconds);
var hours = Math.floor(seconds / 3600);
var minutes = Math.floor((seconds % 3600) / 60);
var seconds = seconds % 60;
if (minutes >= 60) minutes = minutes - 60;
return hours + ':' + Utils.pad(minutes, '0', 2) + ':' + Utils.pad(seconds, '0', 2);
},
secondsToHours: function(seconds, postfix) {
var value = Math.floor(seconds / 3600);
if (postfix) {
value = value + postfix;
}
return value;
}
}
/**
* Template parsing Module
*/
Utils.Template = {
parse: function(template, context) {
var varPattern = /\[\[ ?([0-9a-zA-Z_.]+) ?\]\]/sgi;
var ifPattern = /\[% ?if ([0-9a-zA-Z. =><_&;]+) ?%\](.+?)(\[% ?else ?%\](.+?))?\[% ?endif ?%\]/sgi;
var vars = [];
var html = template;
while (match = varPattern.exec(template)) {
if (match == null) break;
var varName = match[1];
if (vars.indexOf(varName) == -1) {
vars.push(varName);
}
}
// Now we have all the var names to replace
for (var i = 0; i < vars.length; i++) {
var regex = '\\[\\[ ?' + vars[i] + ' ?\\]\\]';
html = html.replace(new RegExp(regex, 'g'), this.parseVar(vars[i], context));
}
while (match = ifPattern.exec(html)) {
if (match == null) break;
var matchString = match[0];
var condition = match[1];
var matchTrue = match[2];
var matchElse = '';
if (typeof(match[3]) != 'undefined') {
matchElse = match[3].replace(/\[% ?else ?%\]/gi, '');
}
condition = this.prepareCondition(condition, context);
if (eval(condition)) {
html = html.replace(matchString, matchTrue);
} else {
html = html.replace(matchString, matchElse);
}
}
return html;
},
parseVar: function(varName, context) {
var value;
if (varName.indexOf('.') > -1) {
// Break var on dots
var varNameParts = varName.split('.');
value = context;
for (var i = 0; i < varNameParts.length; i++) {
var itemName = varNameParts[i];
if (value != null && typeof(value[itemName]) != 'undefined') {
value = value[itemName];
} else {
value = '';
break;
}
}
} else {
var value = context[varName];
}
if (typeof(value) == 'undefined') value = '';
return value;
},
prepareCondition: function(condition, context) {
// Replace logical operators
condition = condition.replace(' or ', ' || ').replace(' and ', ' && ')
// Add parenthesis
condition = '(' + condition + ')';
condition = condition.replace(/>/gi, '>').replace(/</gi, '<');
return condition;
}
}