friendica-addons/jappixmini/jappix/js/date.js

213 lines
4.8 KiB
JavaScript

/*
Jappix - An open social platform
These are the date related JS scripts for Jappix
-------------------------------------------------
License: AGPL
Author: Vanaryon
Last revision: 17/08/11
*/
// Gets a stamp from a date
function extractStamp(date) {
return Math.round(date.getTime() / 1000);
}
// Gets the time from a date
function extractTime(date) {
return date.toLocaleTimeString();
}
// Gets the actual date stamp
function getTimeStamp() {
return extractStamp(new Date());
}
// Gets the last user activity in seconds
var LAST_ACTIVITY = 0;
function getLastActivity() {
// Last activity not yet initialized?
if(LAST_ACTIVITY == 0)
return 0;
return getTimeStamp() - LAST_ACTIVITY;
}
// Gets the last user available presence in seconds
var PRESENCE_LAST_ACTIVITY = 0;
function getPresenceLast() {
// Last presence stamp not yet initialized?
if(PRESENCE_LAST_ACTIVITY == 0)
return 0;
return getTimeStamp() - PRESENCE_LAST_ACTIVITY;
}
// Generates the time for XMPP
function getXMPPTime(location) {
/* FROM : http://trac.jwchat.org/jsjac/browser/branches/jsjac_1.0/jsextras.js?rev=221 */
// Initialize
var jInit = new Date();
var year, month, day, hours, minutes, seconds;
// Gets the UTC date
if(location == 'utc') {
year = jInit.getUTCFullYear();
month = jInit.getUTCMonth();
day = jInit.getUTCDate();
hours = jInit.getUTCHours();
minutes = jInit.getUTCMinutes();
seconds = jInit.getUTCSeconds();
}
// Gets the local date
else {
year = jInit.getFullYear();
month = jInit.getMonth();
day = jInit.getDate();
hours = jInit.getHours();
minutes = jInit.getMinutes();
seconds = jInit.getSeconds();
}
// Generates the date string
var jDate = year + '-';
jDate += padZero(month + 1) + '-';
jDate += padZero(day) + 'T';
jDate += padZero(hours) + ':';
jDate += padZero(minutes) + ':';
jDate += padZero(seconds) + 'Z';
// Returns the date string
return jDate;
}
// Generates then human time
function getCompleteTime() {
var init = new Date();
var time = padZero(init.getHours()) + ':';
time += padZero(init.getMinutes()) + ':';
time += padZero(init.getSeconds());
return time;
}
// Gets the TZO of a date
function getDateTZO() {
// Get the date
var date = new Date();
var offset = date.getTimezoneOffset();
// Default vars
var sign = '';
var hours = 0;
var minutes = 0;
// Process a neutral offset
if(offset < 0) {
offset = offset * -1;
sign = '+';
}
// Get the values
var n_date = new Date(offset * 60 * 1000);
hours = n_date.getHours() - 1;
minutes = n_date.getMinutes();
// Process the TZO
tzo = sign + padZero(hours) + ':' + padZero(minutes);
// Return the processed value
return tzo;
}
// Parses a XMPP date (yyyy-mm-dd, hh-mm-ss) into an human-readable one
function parseDate(to_parse) {
var date = Date.jab2date(to_parse);
var parsed = date.toLocaleDateString() + ' (' + date.toLocaleTimeString() + ')';
return parsed;
}
// Parses a XMPP date (yyyy-mm-dd) into an human-readable one
function parseDay(to_parse) {
var date = Date.jab2date(to_parse);
var parsed = date.toLocaleDateString();
return parsed;
}
// Parses a XMPP date (hh-mm-ss) into an human-readable one
function parseTime(to_parse) {
var date = Date.jab2date(to_parse);
var parsed = date.toLocaleTimeString();
return parsed;
}
// Parses a XMPP date stamp into a relative one
function relativeDate(to_parse) {
// Get the current date
var current_date = Date.jab2date(getXMPPTime('utc'));
var current_day = current_date.getDate();
var current_stamp = current_date.getTime();
// Parse the given date
var old_date = Date.jab2date(to_parse);
var old_day = old_date.getDate();
var old_stamp = old_date.getTime();
var old_time = old_date.toLocaleTimeString();
// Get the day number between the two dates
var days = Math.round((current_stamp - old_stamp) / 86400000);
// Invalid date?
if(isNaN(old_stamp) || isNaN(days))
return getCompleteTime();
// Is it today?
if(current_day == old_day)
return old_time;
// It is yesterday?
if(days <= 1)
return _e("Yesterday") + ' - ' + old_time;
// Is it less than a week ago?
if(days <= 7)
return printf(_e("%s days ago"), days) + ' - ' + old_time;
// Another longer period
return old_date.toLocaleDateString() + ' - ' + old_time;
}
// Reads a message delay
function readMessageDelay(node) {
// Initialize
var delay, d_delay;
// Read the delay
d_delay = jQuery(node).find('delay[xmlns=' + NS_URN_DELAY + ']:first').attr('stamp');
// New delay (valid XEP)
if(d_delay)
delay = d_delay;
// Old delay (obsolete XEP!)
else {
// Try to read the old-school delay
var x_delay = jQuery(node).find('x[xmlns=' + NS_DELAY + ']:first').attr('stamp');
if(x_delay)
delay = x_delay.replace(/^(\w{4})(\w{2})(\w{2})T(\w{2}):(\w{2}):(\w{2})Z?(\S+)?/, '$1-$2-$3T$4:$5:$6Z$7');
}
return delay;
}