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( message ) {
  27         pending_jsonp++;
  28         $.getJSON("/beep/" + message)
  29         .done( function(data) {
  30                 pending_jsonp--;
  31         })
  32         .fail( function(data) {
  33                 pending_jsonp--;
  34         });
  35 }
  36
  37 function start_timeout() {
  38         $('#timeout').hide();
  39         tick = Math.round( tick_timeout * ( 1000 / tag_rescan ) );
  40 }
  41
  42 function change_page(new_state) {
  43         if ( state != new_state ) {
  44
  45                 if ( new_state == 'checkin' ) {
  46                         new_state = 'circulation'; // page has different name
  47                         $('.checkout').hide();
  48                         $('.checkin').show();
  49                         circulation_type = 'checkin';
  50                         borrower_cardnumber = 0; // fake
  51                         only_reader = '/only/3M';
  52                 } else if ( new_state == 'checkout' ) {
  53                         new_state = 'circulation'; // page has different name
  54                         $('.checkout').show();
  55                         $('.checkin').hide();
  56                         circulation_type = 'checkout';
  57                         only_reader = '/only/3M';
  58                 }
  59
  60                 state = new_state;
  61
  62                 $('.page').each( function(i,el) {
  63                         if ( el.id != new_state ) {
  64                                 $(el).hide();
  65                         } else {
  66                                 $(el).show();
  67                         }
  68                 });
  69                 console.info('change_page', state);
  70
  71                 if ( state == 'start' ) {
  72                         circulation_type = 'checkout';
  73                         book_barcodes = {};
  74                         $('ul#books').html(''); // clear book list
  75                         $('#books_count').html( 0 );
  76                         only_reader = '/only/librfid';
  77                         scan_tags();
  78                 }
  79
  80                 if ( state == 'end' ) {
  81                         window.setTimeout(function(){
  82                                 //change_page('start');
  83                                 location.reload(); // force js VM to GC?
  84                         },end_timeout);
  85                 }
  86
  87                 if ( state == 'error' || state == 'error-borrower' ) {
  88                         beep( 'error page' );
  89                         window.setTimeout(function(){
  90                                 //change_page('start');
  91                                 location.reload();
  92                         },error_timeout);
  93                 }
  94
  95                 if ( state == 'circulation' || state == 'borrower_info' ) {
  96                         start_timeout();
  97                 } else {
  98                         tick = 0; // timeout disabled
  99                 }
 100         }
 101 }
 102
 103 function got_visible_tags(data,textStatus) {
 104         console.log('got_visible_tags', data,textStatus);
 105         wait_counter = 0;
 106         $('#working').hide();
 107
 108         var html = 'No tags in range';
 109         if ( data.tags ) {
 110                 html = '<ul class="tags">';
 111                 $.each(data.tags, function(i,tag) {
 112                         console.debug( i, tag );
 113
 114                   if ( tag.hasOwnProperty('error') ) {
 115                                 html += 'ERROR ' + tag.sid + ' ' + tag.error;
 116                                 change_page('error-borrower');
 117                   } else {
 118
 119                         html += '<li><tt class="' + tag.security + '">' + tag.sid;
 120                         var content = tag.content || tag.borrower.cardnumber;
 121
 122                         if ( content ) {
 123                                 var link;
 124                                 if ( content.length = 10 && content.substr(0,3) == 130 ) { // book
 125                                         link = 'catalogue/search.pl?q=';
 126                                 } else if ( content.length == 12 && content.substr(0,2) == 20 ) {
 127                                         link = 'members/member.pl?member=';
 128                                 } else if ( tag.tag_type == 'SmartX' ) {
 129                                         link = 'members/member.pl?member=';
 130                                 } else {
 131                                         html += '<b>UNKNOWN TAG</b> '+content;
 132                                 }
 133
 134                                 if ( link ) {
 135                                         html += ' <a href="http://koha.example.com:8080/cgi-bin/koha/'
 136                                                 + link + content
 137                                                 + '" title="lookup in Koha" target="koha-lookup">' + content + '</a>';
 138                                                 + '</tt>';
 139                                 }
 140
 141                                 console.debug( 'calling', state, content );
 142                                 window[state]( content, tag ); // call function with barcode
 143
 144                         }
 145
 146                   } // not error
 147
 148                 });
 149                 html += '</ul>';
 150
 151         }
 152
 153         var arrows = Array( 8592, 8598, 8593, 8599, 8594, 8600, 8595, 8601 );
 154
 155         html = '<div class=status>'
 156                 + textStatus
 157                 + ' &#' + arrows[ data.time % arrows.length ] + ';'
 158                 + '</div>'
 159                 + html
 160                 ;
 161         $('#tags').html( html ); // FIXME leaks memory?
 162
 163         pending_jsonp--;
 164 };
 165
 166 var wait_counter = 0;
 167
 168 function scan_tags() {
 169         if ( pending_jsonp ) {
 170                 wait_counter++;
 171                 console.debug('scan_tags', 'tick', tick, 'pending_jsonp', pending_jsonp, ' wait_conter', wait_counter);
 172                 if ( wait_counter > 10 ) $('#working').show(); // tag_rescan = 200ms * 10 = 2s
 173         } else {
 174                 console.info('scan_tags', 'tock', tick, only_reader, 'wait_counter', wait_counter, 'tick', tick);
 175                 pending_jsonp++;
 176                 $.getJSON("/scan"+only_reader+"?callback=?", got_visible_tags).fail( function(data) {
 177                         console.error('scan error pending jsonp', pending_jsonp);
 178                         pending_jsonp--;
 179                         wait_counter = 0;
 180                         $('#working').hide();
 181                 });
 182         }
 183
 184         if ( tick > 0 ) {
 185                 if ( tick < tick_warning * ( 1000 / tag_rescan ) ) {
 186                         $('#tick').html( Math.round( tick * tag_rescan / 1000 ) );
 187                         $('#timeout').show();
 188                 }
 189                 tick--;
 190                 if ( tick == 0 ) {
 191                         $('#timeout').hide();
 192                         change_page('end');
 193                 }
 194         }
 195
 196         scan_timeout = window.setTimeout(function(){
 197                 scan_tags();
 198         },tag_rescan);  // re-scan every 200ms
 199 }
 200
 201 $(document).ready(function() {
 202                 $('div#tags').click( function() {
 203                         scan_tags();
 204                 });
 205
 206                 change_page('start');
 207 });
 208
 209 function fill_in( where, value ) {
 210         $('.'+where).each(function(i, el) {
 211                 $(el).html(value);
 212         });
 213
 214 }
 215
 216 /* Selfcheck state actions */
 217
 218 var borrower_cardnumber;
 219 var circulation_type;
 220 var book_barcodes = {};
 221
 222 function start( cardnumber, tag ) {
 223
 224         if ( tag.tag_type != 'SmartX' && ( cardnumber.length != 12 || cardnumber.substr(0,2) != "20" ) ) {
 225                 console.error(cardnumber, 'is not borrower card', tag);
 226                 return;
 227         }
 228
 229         borrower_cardnumber = cardnumber; // for circulation
 230
 231         fill_in( 'borrower_number', cardnumber );
 232
 233         pending_jsonp++;
 234         $.getJSON('/sip2/patron_info/'+cardnumber)
 235         .done( function( data ) {
 236                 console.info('patron', data);
 237                 fill_in( 'borrower_name', data['AE'] );
 238                 fill_in( 'borrower_email', data['BE'] );
 239                 fill_in( 'hold_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 0 * 4 ), 4 ) * 1 );
 240                 //fill_in( 'overdue_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) * 1 );
 241                 var overdue = data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) * 1;
 242                 if ( overdue > 0 ) {
 243                         overdue = '<span style="color:red">'+overdue+'</span>';
 244                         beep( 'overdue: ' + overdue );
 245                 }
 246                 fill_in( 'overdue_items', overdue );
 247                 fill_in( 'charged_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 2 * 4 ), 4 ) * 1 );
 248                 fill_in( 'fine_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 3 * 4 ), 4 ) * 1 );
 249
 250
 251                 pending_jsonp--;
 252                 change_page('borrower_info');
 253         }).fail( function(data) {
 254                 pending_jsonp--;
 255                 change_page('error');
 256         });
 257 }
 258
 259 function borrower_info() {
 260         // nop
 261 }
 262
 263 function circulation( barcode, tag ) {
 264         if ( barcode
 265                         && barcode.length == 10
 266                         && barcode.substr(0,3) == 130
 267                         && book_barcodes[barcode] != 1
 268                         && tag.reader == '3M810'
 269         ) { // book, not seen yet
 270                 book_barcodes[ barcode ] = 1;
 271                 pending_jsonp++;
 272                 $.getJSON('/sip2/'+circulation_type+'/'+borrower_cardnumber+'/'+barcode+'/'+tag.sid , function( data ) {
 273                         console.info( circulation_type, data );
 274
 275                         var color = 'red';
 276                         var message = 'Transakcija neuspješna. Odnesite knjige na pult!';
 277                         if ( data['fixed'].substr(2,1) == 1 ) {
 278                                 color='green';
 279                                 message = circulation_type == 'checkout' ? 'Posuđeno' : 'Vraćeno';
 280                         } else {
 281                                 beep( circulation_type + ': ' + data['AF'] );
 282                         }
 283
 284                         if ( data['AF'] ) {
 285                                 message = data['AF'] + ' ' + message;
 286                         }
 287
 288                         $('ul#books').append('<li>' + ( data['AJ'] || barcode ) + ' <b style="color:'+color+'">' + message + '</b></li>');
 289                         $('#books_count').html( $('ul#books > li').length );
 290                         console.debug( book_barcodes );
 291                         pending_jsonp--;
 292                         start_timeout(); // reset timeout
 293                 }).fail( function() {
 294                         change_page('error');
 295                         pending_jsonp--;
 296                 });
 297         }
 298 }
 299
 300 function end() {
 301         // nop
 302 }