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 beep() {
  27         // FIXME
  28 }
  29
  30 function start_timeout() {
  31         $('#timeout').hide();
  32         tick = Math.round( tick_timeout * ( 1000 / tag_rescan ) );
  33 }
  34
  35 function change_page(new_state) {
  36         if ( state != new_state ) {
  37
  38                 if ( new_state == 'checkin' ) {
  39                         new_state = 'circulation'; // page has different name
  40                         $('.checkout').hide();
  41                         $('.checkin').show();
  42                         circulation_type = 'checkin';
  43                         borrower_cardnumber = 0; // fake
  44                         only_reader = '/only/3M';
  45                 } else if ( new_state == 'checkout' ) {
  46                         new_state = 'circulation'; // page has different name
  47                         $('.checkout').show();
  48                         $('.checkin').hide();
  49                         circulation_type = 'checkout';
  50                         only_reader = '/only/3M';
  51                 }
  52
  53                 state = new_state;
  54
  55                 $('.page').each( function(i,el) {
  56                         if ( el.id != new_state ) {
  57                                 $(el).hide();
  58                         } else {
  59                                 $(el).show();
  60                         }
  61                 });
  62                 console.info('change_page', state);
  63
  64                 if ( state == 'start' ) {
  65                         circulation_type = 'checkout';
  66                         book_barcodes = {};
  67                         $('ul#books').html(''); // clear book list
  68                         $('#books_count').html( 0 );
  69                         only_reader = '/only/librfid';
  70                         scan_tags();
  71                 }
  72
  73                 if ( state == 'end' ) {
  74                         window.setTimeout(function(){
  75                                 //change_page('start');
  76                                 location.reload(); // force js VM to GC?
  77                         },end_timeout);
  78                 }
  79
  80                 if ( state == 'error' ) {
  81                         beep();
  82                         window.setTimeout(function(){
  83                                 //change_page('start');
  84                                 location.reload();
  85                         },error_timeout);
  86                 }
  87
  88                 if ( state == 'circulation' || state == 'borrower_info' ) {
  89                         start_timeout();
  90                 } else {
  91                         tick = 0; // timeout disabled
  92                 }
  93         }
  94 }
  95
  96 function got_visible_tags(data,textStatus) {
  97         var html = 'No tags in range';
  98         if ( data.tags ) {
  99                 html = '<ul class="tags">';
 100                 $.each(data.tags, function(i,tag) {
 101                         console.debug( i, tag );
 102                         html += '<li><tt class="' + tag.security + '">' + tag.sid;
 103                         var content = tag.content || tag.borrower.cardnumber;
 104
 105                         if ( content ) {
 106                                 var link;
 107                                 if ( content.length = 10 && content.substr(0,3) == 130 ) { // book
 108                                         link = 'catalogue/search.pl?q=';
 109                                 } else if ( content.length == 12 && content.substr(0,2) == 20 ) {
 110                                         link = 'members/member.pl?member=';
 111                                 } else if ( tag.tag_type == 'SmartX' ) {
 112                                         link = 'members/member.pl?member=';
 113                                 } else {
 114                                         html += '<b>UNKNOWN TAG</b> '+content;
 115                                 }
 116
 117                                 if ( link ) {
 118                                         html += ' <a href="http://koha.example.com:8080/cgi-bin/koha/'
 119                                                 + link + content
 120                                                 + '" title="lookup in Koha" target="koha-lookup">' + content + '</a>';
 121                                                 + '</tt>';
 122                                 }
 123
 124                                 console.debug( 'calling', state, content );
 125                                 window[state]( content, tag ); // call function with barcode
 126
 127                         }
 128                 });
 129                 html += '</ul>';
 130
 131         }
 132
 133         var arrows = Array( 8592, 8598, 8593, 8599, 8594, 8600, 8595, 8601 );
 134
 135         html = '<div class=status>'
 136                 + textStatus
 137                 + ' &#' + arrows[ data.time % arrows.length ] + ';'
 138                 + '</div>'
 139                 + html
 140                 ;
 141         $('#tags').html( html ); // FIXME leaks memory?
 142
 143         pending_jsonp--;
 144 };
 145
 146 var wait_counter = 0;
 147
 148 function scan_tags() {
 149         if ( pending_jsonp ) {
 150                 wait_counter++;
 151                 console.debug('scan_tags disabled ', pending_jsonp, ' requests waiting counter', wait_counter);
 152                 if ( wait_counter > 3 ) $('#working').show();
 153         } else {
 154                 console.info('scan_tags', only_reader);
 155                 pending_jsonp++;
 156                 $.getJSON("/scan"+only_reader+"?callback=?", got_visible_tags).fail( function(data) {
 157                         console.error('scan error pending jsonp', pending_jsonp);
 158                         pending_jsonp--;
 159                 });
 160                 wait_counter = 0;
 161                 $('#working').hide();
 162         }
 163
 164         if ( tick > 0 ) {
 165                 if ( tick < tick_warning * ( 1000 / tag_rescan ) ) {
 166                         $('#tick').html( Math.round( tick * tag_rescan / 1000 ) );
 167                         $('#timeout').show();
 168                 }
 169                 tick--;
 170                 if ( tick == 0 ) {
 171                         $('#timeout').hide();
 172                         change_page('end');
 173                 }
 174         }
 175
 176         scan_timeout = window.setTimeout(function(){
 177                 scan_tags();
 178         },tag_rescan);  // re-scan every 200ms
 179 }
 180
 181 $(document).ready(function() {
 182                 $('div#tags').click( function() {
 183                         scan_tags();
 184                 });
 185
 186                 change_page('start');
 187 });
 188
 189 function fill_in( where, value ) {
 190         $('.'+where).each(function(i, el) {
 191                 $(el).html(value);
 192         });
 193
 194 }
 195
 196 /* Selfcheck state actions */
 197
 198 var borrower_cardnumber;
 199 var circulation_type;
 200 var book_barcodes = {};
 201
 202 function start( cardnumber, tag ) {
 203
 204         if ( tag.tag_type != 'SmartX' && ( cardnumber.length != 12 || cardnumber.substr(0,2) != "20" ) ) {
 205                 console.error(cardnumber, 'is not borrower card', tag);
 206                 return;
 207         }
 208
 209         borrower_cardnumber = cardnumber; // for circulation
 210
 211         fill_in( 'borrower_number', cardnumber );
 212
 213         pending_jsonp++;
 214         $.getJSON('/sip2/patron_info/'+cardnumber)
 215         .done( function( data ) {
 216                 console.info('patron', data);
 217                 fill_in( 'borrower_name', data['AE'] );
 218                 fill_in( 'borrower_email', data['BE'] );
 219                 fill_in( 'hold_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 0 * 4 ), 4 ) * 1 );
 220                 //fill_in( 'overdue_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) * 1 );
 221                 var overdue = data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) * 1;
 222                 if ( overdue > 0 ) {
 223                         overdue = '<span style="color:red">'+overdue+'</span>';
 224                         beep();
 225                 }
 226                 fill_in( 'overdue_items', overdue );
 227                 fill_in( 'charged_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 2 * 4 ), 4 ) * 1 );
 228                 fill_in( 'fine_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 3 * 4 ), 4 ) * 1 );
 229
 230
 231                 pending_jsonp--;
 232                 change_page('borrower_info');
 233         }).fail( function(data) {
 234                 pending_jsonp--;
 235                 change_page('error');
 236         });
 237 }
 238
 239 function borrower_info() {
 240         // nop
 241 }
 242
 243 function circulation( barcode, tag ) {
 244         if ( barcode
 245                         && barcode.length == 10
 246                         && barcode.substr(0,3) == 130
 247                         && book_barcodes[barcode] != 1
 248                         && tag.reader == '3M810'
 249         ) { // book, not seen yet
 250                 book_barcodes[ barcode ] = 1;
 251                 pending_jsonp++;
 252                 $.getJSON('/sip2/'+circulation_type+'/'+borrower_cardnumber+'/'+barcode+'/'+tag.sid , function( data ) {
 253                         console.info( circulation_type, data );
 254
 255                         var color = 'red';
 256                         var error = 'Transakcija neuspješna. Odnesite knjige na pult!';
 257                         if ( data['fixed'].substr(2,1) == 1 ) {
 258                                 color='green';
 259                                 error = '';
 260                         } else {
 261                                 beep();
 262                         }
 263
 264                         $('ul#books').append('<li>' + ( data['AJ'] || barcode ) + ( data['AF'] ? ' <b style="color:'+color+'">' + data['AF'] + ' ' + error : '</b>' ) + '</li>');
 265                         $('#books_count').html( $('ul#books > li').length );
 266                         console.debug( book_barcodes );
 267                         pending_jsonp--;
 268                         start_timeout(); // reset timeout
 269                 }).fail( function() {
 270                         change_page('error');
 271                         pending_jsonp--;
 272                 });
 273         }
 274 }
 275
 276 function end() {
 277         // nop
 278 }