1 dump('entering util/date.js\n');
3 if (typeof util == 'undefined') var util = {};
6 util.date.EXPORT_OK = [
7 'check', 'timer_init', 'timer_elapsed', 'db_date2Date', 'formatted_date', 'interval_to_seconds'
9 util.date.EXPORT_TAGS = { ':all' : util.date.EXPORT_OK };
11 util.date.check = function(format,date) {
12 if (format != 'YYYY-MM-DD') { throw('I only understand YYYY-MM-DD. Fix me if you want.'); }
13 if (date.length != format.length) { return false; }
14 if ((date.substr(4,1) != '-') || (date.substr(7,1) != '-')) { return false; }
15 var yyyy = date.substr(0,4); var mm = date.substr(5,2); var dd = date.substr(8,2);
16 var d = new Date( yyyy, mm - 1, dd );
17 if (d.toString() == 'Invalid Date') { return false; }
18 if (d.getMonth() != mm -1) { return false; }
19 if (d.getFullYear() != yyyy) { return false; }
20 if (dd.substr(0,1)=='0') { dd = dd.substr(1,1); }
21 if (d.getDate() != dd) { return false; }
25 util.date.check_past = function(format,date) {
26 if (format != 'YYYY-MM-DD') { throw('I only understand YYYY-MM-DD. Fix me if you want.'); }
27 var yyyy = date.substr(0,4); var mm = date.substr(5,2); var dd = date.substr(8,2);
28 var test_date = new Date( yyyy, mm - 1, dd );
29 date = util.date.formatted_date(new Date(),'%F');
30 yyyy = date.substr(0,4); mm = date.substr(5,2); dd = date.substr(8,2);
31 var today = new Date( yyyy, mm - 1, dd );
32 return test_date < today;
35 util.date.timer_init = function (id) {
36 if (typeof util.date.timer_init.prototype.timer == 'undefined') {
37 util.date.timer_init.prototype.timer = {};
39 util.date.timer_init.prototype.timer[id] = (new Date).getTime();
42 util.date.timer_elapsed = function (id) {
43 if (! util.date.timer_init.prototype.timer[id]) { util.date.timer_init(id); }
44 var ms = (new Date).getTime() - util.date.timer_init.prototype.timer[id];
45 return( ms + 'ms (' + ms/1000 + 's)' );
48 util.date.db_date2Date = function (date) {
49 var y = date.substr(0,4);
50 var mo = date.substr(5,2);
51 var d = date.substr(8,2);
52 var h = date.substr(11,2);
53 var mi = date.substr(14,2);
54 var s = date.substr(17,2);
55 return new Date(y,mo-1,d,h,mi,s);
58 util.date.formatted_date = function (orig_date,format) {
60 var _date = orig_date;
64 // pass in a Date object or epoch seconds or a postgres style date string (2005-07-19 10:38:25.211964-04)
65 if (typeof(_date) == 'string') {
66 if (_date.match(/:/) || _date.match(/-/)) {
67 _date = util.date.db_date2Date(_date);
69 _date = new Date( Number( _date + '000' ) );
71 } else if (typeof(_date) == 'number') {
72 _date = new Date( _date * 1000 );
79 var mm = _date.getMonth() + 1; mm = mm.toString(); if (mm.length == 1) mm = '0' +mm;
80 var dd = _date.getDate().toString(); if (dd.length == 1) dd = '0' +dd;
81 var yyyy = _date.getFullYear().toString();
82 var yy = yyyy.substr(2);
83 var H = _date.getHours(); H = H.toString(); if (H.length == 1) H = '0' + H;
84 var I = _date.getHours(); if (I > 12) I -= 12; I = I.toString();
85 var M = _date.getMinutes(); M = M.toString(); if (M.length == 1) M = '0' + M;
86 var sec = _date.getSeconds(); sec = sec.toString(); if (sec.length == 1) sec = '0' + sec;
89 if (s == '') { s = '%F %H:%M'; }
90 if (typeof _date.iso8601Format != 'function') {
92 var js = JSAN._loadJSFromUrl( urls.isodate_lib );
93 try { eval( js ); } catch(E) { alert('Problem loading ISO8601 date extension:' + E); }
96 if (typeof _date.iso8601Format == 'function') {
97 s = s.replace( /%\{iso8601\}/g, _date.iso8601Format("YMDHMS") );
99 s = s.replace( /%m/g, mm );
100 s = s.replace( /%d/g, dd );
101 s = s.replace( /%Y/g, yyyy );
102 s = s.replace( /%D/g, mm + '/' + dd + '/' + yy );
103 s = s.replace( /%F/g, yyyy + '-' + mm + '-' + dd );
104 s = s.replace( /%H/g, H );
105 s = s.replace( /%I/g, I );
106 s = s.replace( /%M/g, M );
107 s = s.replace( /%s/g, sec );
111 alert('Error in util.date.formatted_date:\ntypeof orig_date = ' + typeof orig_date + ' orig_date = ' + orig_date + '\ntypeof _date = ' + typeof _date + ' _date = ' + _date + '\nformat = ' + format + '\n' + E);
115 util.date.interval_to_seconds = function ( $interval ) {
117 $interval = $interval.replace( /and/, ',' );
118 $interval = $interval.replace( /,/, ' ' );
121 var results = $interval.match( /\s*\+?\s*(\d+)\s*(\w{1})\w*\s*/g);
122 for (var i in results) {
123 var result = results[i].match( /\s*\+?\s*(\d+)\s*(\w{1})\w*\s*/ );
124 if (result[2] == 's') $amount += result[1] ;
125 if (result[2] == 'm') $amount += 60 * result[1] ;
126 if (result[2] == 'h') $amount += 60 * 60 * result[1] ;
127 if (result[2] == 'd') $amount += 60 * 60 * 24 * result[1] ;
128 if (result[2] == 'w') $amount += 60 * 60 * 24 * 7 * result[1] ;
129 if (result[2] == 'M') $amount += ((60 * 60 * 24 * 365)/12) * result[1] ;
130 if (result[2] == 'y') $amount += 60 * 60 * 24 * 365 * result[1] ;
136 Lifted from /opac/common/js/util.js
138 builds a JS date object with the given info. The given data
139 has to be valid (e.g. months == 30 is not valid). Returns NULL on
141 Months are 1-12 (unlike the JS date object)
144 util.date.buildDate = function ( year, month, day, hours, minutes, seconds ) {
147 if(!month) month = 1;
149 if(!hours) hours = 0;
150 if(!minutes) minutes = 0;
151 if(!seconds) seconds = 0;
153 var d = new Date(year, month - 1, day, hours, minutes, seconds);
154 //alert('util.date.buildDate\nyear='+year+' month='+month+' day='+day+' hours='+hours+' minutes='+minutes+' seconds='+seconds+'\nd = ' + d);
157 (d.getYear() + 1900) == year &&
158 d.getMonth() == (month - 1) &&
159 d.getDate() == new Number(day) &&
160 d.getHours() == new Number(hours) &&
161 d.getMinutes() == new Number(minutes) &&
162 d.getSeconds() == new Number(seconds) ) {
170 dump('exiting util/date.js\n');