113 lines
2.3 KiB
JavaScript
113 lines
2.3 KiB
JavaScript
'use strict';
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/**
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* Format amount as String.
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*
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* @param amount
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* Amount to be formatted.
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*
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* @return String, e.g. "1.23"
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*/
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function amount_format (amount)
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{
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let separator = "." // FIXME: depends on locale
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return amount.value + separator + amount.fraction.toString().replace(/0+$/, "");
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}
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/**
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* Parse an amount that is specified like '5.42 EUR'.
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* Returns a {currency,value,fraction} object or null
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* if the input is invalid.
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*/
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function amount_parse_pretty(s) {
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let pattern = /(\d+)(.\d+)?\s*([a-zA-Z]+)/;
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let matches = pattern.exec(s);
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if (null == matches) {
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return null;
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}
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return {
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// Always succeeds due to regex
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value: parseInt(matches[1]),
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// Should we warn / fail on lost precision?
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fraction: Math.round(parseFloat(matches[2] || 0) * 1000000),
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currency: matches[3],
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};
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}
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/**
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* Format amount with currency as String.
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*
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* @param amount
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* Amount to be formatted.
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*
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* @return String, e.g. "1.23 EUR"
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*/
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function amount_format_currency (amount)
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{
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return amount_format(amount) + " " + amount.currency;
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}
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/**
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* Convert Date to String.
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*
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* Format: YYYY-MM-DD HH:mm
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*
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* @param date
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* Date to be converted.
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*
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* @return String
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*/
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function date_format (date)
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{
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function pad (number) {
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if (number < 10) {
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return '0' + number;
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}
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return number;
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}
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return date.getUTCFullYear() +
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'-' + pad(date.getUTCMonth() + 1) +
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'-' + pad(date.getUTCDate()) +
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' ' + pad(date.getUTCHours()) +
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':' + pad(date.getUTCMinutes());
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//':' + pad(date.getUTCSeconds());
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}
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/**
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* Send HTTP request.
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*
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* @param method
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* HTTP method.
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* @param url
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* URL to send to.
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* @param content
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* Content of request.
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* @param content_type
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* Content-Type HTTP header.
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* @param onsuccess
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* Function called by XMLHttpRequest on success.
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* @param onerror
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* Function called by XMLHttpRequest on error.
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*
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*/
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function http_req (method, url, content, content_type, onsuccess, onerror) {
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var req = new XMLHttpRequest();
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req.onload = function(mintEvt) {
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if (req.readyState == 4)
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onsuccess(req.status, req.responseText);
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};
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req.onerror = onerror;
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req.open(method, url, true);
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req.setRequestHeader('Content-Type', content_type);
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req.send(content);
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return req;
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}
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