examples/selfcheck.js

   1
   2 // configure timeouts
   3 var end_timeout   = 3000; // ms from end page to start page
   4 var error_timeout = 5000; // ms from error page to start page
   5 var tag_rescan    = 200;  // ms rescan tags every 0.2s
   6
   7 // mock console
   8 if(!window.console) {
   9         window.console = new function() {
  10                 this.info = function(str) {};
  11                 this.error = function(str) {};
  12                 this.debug = function(str) {};
  13         };
  14 }
  15
  16 var state;
  17 var scan_timeout;
  18 var pending_jsonp = 0;
  19 var only_reader = '';
  20
  21 // timeout warning dialog
  22 var tick_timeout = 25; // s
  23 var tick_warning = 10; // s
  24 var tick = 0;
  25
  26 function start_timeout() {
  27         $('#timeout').hide();
  28         tick = Math.round( tick_timeout * ( 1000 / tag_rescan ) );
  29 }
  30
  31 function change_page(new_state) {
  32         if ( state != new_state ) {
  33
  34                 if ( new_state == 'checkin' ) {
  35                         new_state = 'circulation'; // page has different name
  36                         $('.checkout').hide();
  37                         $('.checkin').show();
  38                         circulation_type = 'checkin';
  39                         borrower_cardnumber = 0; // fake
  40                         only_reader = '/only/3M';
  41                 } else if ( new_state == 'checkout' ) {
  42                         new_state = 'circulation'; // page has different name
  43                         $('.checkout').show();
  44                         $('.checkin').hide();
  45                         circulation_type = 'checkout';
  46                         only_reader = '/only/3M';
  47                 }
  48
  49                 state = new_state;
  50
  51                 $('.page').each( function(i,el) {
  52                         if ( el.id != new_state ) {
  53                                 $(el).hide();
  54                         } else {
  55                                 $(el).show();
  56                         }
  57                 });
  58                 console.info('change_page', state);
  59
  60                 if ( state == 'start' ) {
  61                         circulation_type = 'checkout';
  62                         book_barcodes = {};
  63                         $('ul#books').html(''); // clear book list
  64                         $('#books_count').html( 0 );
  65                         only_reader = '';
  66                         scan_tags();
  67                 }
  68
  69                 if ( state == 'end' ) {
  70                         window.setTimeout(function(){
  71                                 //change_page('start');
  72                                 location.reload(); // force js VM to GC?
  73                         },end_timeout);
  74                 }
  75
  76                 if ( state == 'error' ) {
  77                         window.setTimeout(function(){
  78                                 //change_page('start');
  79                                 location.reload();
  80                         },error_timeout);
  81                 }
  82
  83                 if ( state == 'circulation' || state == 'borrower_info' ) {
  84                         start_timeout();
  85                 } else {
  86                         tick = 0; // timeout disabled
  87                 }
  88         }
  89 }
  90
  91 function got_visible_tags(data,textStatus) {
  92         var html = 'No tags in range';
  93         if ( data.tags ) {
  94                 html = '<ul class="tags">';
  95                 $.each(data.tags, function(i,tag) {
  96                         console.debug( i, tag );
  97                         html += '<li><tt class="' + tag.security + '">' + tag.sid;
  98                         var content = tag.content || tag.borrower.cardnumber;
  99
 100                         if ( content ) {
 101                                 var link;
 102                                 if ( content.length = 10 && content.substr(0,3) == 130 ) { // book
 103                                         link = 'catalogue/search.pl?q=';
 104                                 } else if ( content.length == 12 && content.substr(0,2) == 20 ) {
 105                                         link = 'members/member.pl?member=';
 106                                 } else if ( tag.tag_type == 'SmartX' ) {
 107                                         link = 'members/member.pl?member=';
 108                                 } else {
 109                                         html += '<b>UNKNOWN TAG</b> '+content;
 110                                 }
 111
 112                                 if ( link ) {
 113                                         html += ' <a href="http://koha.example.com:8080/cgi-bin/koha/'
 114                                                 + link + content
 115                                                 + '" title="lookup in Koha" target="koha-lookup">' + content + '</a>';
 116                                                 + '</tt>';
 117                                 }
 118
 119                                 console.debug( 'calling', state, content );
 120                                 window[state]( content, tag ); // call function with barcode
 121
 122                         }
 123                 });
 124                 html += '</ul>';
 125
 126         }
 127
 128         var arrows = Array( 8592, 8598, 8593, 8599, 8594, 8600, 8595, 8601 );
 129
 130         html = '<div class=status>'
 131                 + textStatus
 132                 + ' &#' + arrows[ data.time % arrows.length ] + ';'
 133                 + '</div>'
 134                 + html
 135                 ;
 136         $('#tags').html( html ); // FIXME leaks memory?
 137
 138         pending_jsonp--;
 139 };
 140
 141 function scan_tags() {
 142         if ( pending_jsonp ) {
 143                 console.debug('scan_tags disabled ', pending_jsonp, ' requests waiting');
 144         } else {
 145                 console.info('scan_tags', only_reader);
 146                 pending_jsonp++;
 147                 $.getJSON("/scan"+only_reader+"?callback=?", got_visible_tags).fail( function(data) {
 148                         console.error('scan error pending jsonp', pending_jsonp);
 149                         pending_jsonp--;
 150                 });
 151         }
 152
 153         if ( tick > 0 ) {
 154                 if ( tick < tick_warning * ( 1000 / tag_rescan ) ) {
 155                         $('#tick').html( Math.round( tick * tag_rescan / 1000 ) );
 156                         $('#timeout').show();
 157                 }
 158                 tick--;
 159                 if ( tick == 0 ) {
 160                         $('#timeout').hide();
 161                         change_page('end');
 162                 }
 163         }
 164
 165         scan_timeout = window.setTimeout(function(){
 166                 scan_tags();
 167         },tag_rescan);  // re-scan every 200ms
 168 }
 169
 170 $(document).ready(function() {
 171                 $('div#tags').click( function() {
 172                         scan_tags();
 173                 });
 174
 175                 change_page('start');
 176 });
 177
 178 function fill_in( where, value ) {
 179         $('.'+where).each(function(i, el) {
 180                 $(el).html(value);
 181         });
 182
 183 }
 184
 185 /* Selfcheck state actions */
 186
 187 var borrower_cardnumber;
 188 var circulation_type;
 189 var book_barcodes = {};
 190
 191 function start( cardnumber, tag ) {
 192
 193         if ( tag.tag_type != 'SmartX' && ( cardnumber.length != 12 || cardnumber.substr(0,2) != "20" ) ) {
 194                 console.error(cardnumber, 'is not borrower card', tag);
 195                 return;
 196         }
 197
 198         borrower_cardnumber = cardnumber; // for circulation
 199
 200         fill_in( 'borrower_number', cardnumber );
 201
 202         pending_jsonp++;
 203         $.getJSON('/sip2/patron_info/'+cardnumber)
 204         .done( function( data ) {
 205                 console.info('patron', data);
 206                 fill_in( 'borrower_name', data['AE'] );
 207                 fill_in( 'borrower_email', data['BE'] );
 208                 fill_in( 'hold_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 0 * 4 ), 4 ) ) * 1;
 209                 fill_in( 'overdue_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) ) * 1;
 210                 fill_in( 'charged_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 2 * 4 ), 4 ) ) * 1;
 211                 fill_in( 'fine_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 3 * 4 ), 4 ) ) * 1;
 212                 pending_jsonp--;
 213                 change_page('borrower_info');
 214         }).fail( function(data) {
 215                 pending_jsonp--;
 216                 change_page('error');
 217         });
 218 }
 219
 220 function borrower_info() {
 221         // nop
 222 }
 223
 224 function circulation( barcode, tag ) {
 225         if ( barcode
 226                         && barcode.length == 10
 227                         && barcode.substr(0,3) == 130
 228                         && book_barcodes[barcode] != 1
 229         ) { // book, not seen yet
 230                 book_barcodes[ barcode ] = 1;
 231                 pending_jsonp++;
 232                 $.getJSON('/sip2/'+circulation_type+'/'+borrower_cardnumber+'/'+barcode+'/'+tag.sid , function( data ) {
 233                         console.info( circulation_type, data );
 234
 235                         var color = 'red';
 236                         var error = 'Transakcija neuspješna. Odnesite knjige na pult!';
 237                         if ( data['fixed'].substr(2,1) == 1 ) {
 238                                 color='green';
 239                                 error = '';
 240                         }
 241
 242                         $('ul#books').append('<li style="color:'+color+'">' + ( data['AJ'] || barcode ) + ( data['AF'] ? ' <b>' + data['AF'] + '</b> ' + error : '' ) + '</li>');
 243                         $('#books_count').html( $('ul#books > li').length );
 244                         console.debug( book_barcodes );
 245                         pending_jsonp--;
 246                         start_timeout(); // reset timeout
 247                 }).fail( function() {
 248                         change_page('error');
 249                         pending_jsonp--;
 250                 });
 251         }
 252 }
 253
 254 function end() {
 255         // nop
 256 }