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
  20 function change_page(new_state) {
  21         if ( state != new_state ) {
  22
  23                 if ( new_state == 'checkin' ) {
  24                         new_state = 'circulation'; // page has different name
  25                         $('.checkout').hide();
  26                         $('.checkin').show();
  27                         circulation_type = 'checkin';
  28                         borrower_cardnumber = 0; // fake
  29                 } else if ( new_state == 'checkout' ) {
  30                         new_state = 'circulation'; // page has different name
  31                         $('.checkout').show();
  32                         $('.checkin').hide();
  33                         circulation_type = 'checkout';
  34                 }
  35
  36                 state = new_state;
  37
  38                 $('.page').each( function(i,el) {
  39                         if ( el.id != new_state ) {
  40                                 $(el).hide();
  41                         } else {
  42                                 $(el).show();
  43                         }
  44                 });
  45                 console.info('change_page', state);
  46
  47                 if ( state == 'start' ) {
  48                         circulation_type = 'checkout';
  49                         book_barcodes = {};
  50                         $('ul#books').html(''); // clear book list
  51                         $('#books_count').html( 0 );
  52                         scan_tags();
  53                 }
  54
  55                 if ( state == 'end' ) {
  56                         window.setTimeout(function(){
  57                                 change_page('start');
  58                         },end_timeout);
  59                 }
  60
  61                 if ( state == 'error' ) {
  62                         window.setTimeout(function(){
  63                                 change_page('start');
  64                         },error_timeout);
  65                 }
  66         }
  67 }
  68
  69 function got_visible_tags(data,textStatus) {
  70         var html = 'No tags in range';
  71         if ( data.tags ) {
  72                 html = '<ul class="tags">';
  73                 $.each(data.tags, function(i,tag) {
  74                         console.debug( i, tag );
  75                         html += '<li><tt class="' + tag.security + '">' + tag.sid;
  76                         var content = tag.content || tag.borrower.cardnumber;
  77
  78                         if ( content ) {
  79                                 var link;
  80                                 if ( content.length = 10 && content.substr(0,3) == 130 ) { // book
  81                                         link = 'catalogue/search.pl?q=';
  82                                 } else if ( content.length == 12 && content.substr(0,2) == 20 ) {
  83                                         link = 'members/member.pl?member=';
  84                                 } else {
  85                                         html += '<b>UNKNOWN TAG</b> '+content;
  86                                 }
  87
  88                                 if ( link ) {
  89                                         html += ' <a href="http://koha.example.com:8080/cgi-bin/koha/'
  90                                                 + link + content
  91                                                 + '" title="lookup in Koha" target="koha-lookup">' + content + '</a>';
  92                                                 + '</tt>';
  93                                 }
  94
  95                                 console.debug( 'calling', state, content );
  96                                 window[state]( content, tag.sid ); // call function with barcode
  97
  98                         }
  99                 });
 100                 html += '</ul>';
 101
 102         }
 103
 104         var arrows = Array( 8592, 8598, 8593, 8599, 8594, 8600, 8595, 8601 );
 105
 106         html = '<div class=status>'
 107                 + textStatus
 108                 + ' &#' + arrows[ data.time % arrows.length ] + ';'
 109                 + '</div>'
 110                 + html
 111                 ;
 112         $('#tags').html( html ); // FIXME leaks memory?
 113
 114         pending_jsonp--;
 115 };
 116
 117 function scan_tags() {
 118         if ( pending_jsonp ) {
 119                 console.debug('scan_tags disabled ', pending_jsonp, ' requests waiting');
 120         } else {
 121                 console.info('scan_tags');
 122                 pending_jsonp++;
 123                 $.getJSON("/scan?callback=?", got_visible_tags);
 124         }
 125
 126         scan_timeout = window.setTimeout(function(){
 127                 scan_tags();
 128         },tag_rescan);  // re-scan every 200ms
 129 }
 130
 131 $(document).ready(function() {
 132                 $('div#tags').click( function() {
 133                         scan_tags();
 134                 });
 135
 136                 change_page('start');
 137 });
 138
 139 function fill_in( where, value ) {
 140         $('.'+where).each(function(i, el) {
 141                 $(el).html(value);
 142         });
 143
 144 }
 145
 146 /* Selfcheck state actions */
 147
 148 var borrower_cardnumber;
 149 var circulation_type;
 150 var book_barcodes = {};
 151
 152 function start( cardnumber ) {
 153
 154         if ( cardnumber.length != 12 || cardnumber.substr(0,2) != "20" ) {
 155                 console.error(cardnumber, ' is not borrower card');
 156                 return;
 157         }
 158
 159         borrower_cardnumber = cardnumber; // for circulation
 160
 161         fill_in( 'borrower_number', cardnumber );
 162
 163         pending_jsonp++;
 164         $.getJSON('/sip2/patron_info/'+cardnumber)
 165         .done( function( data ) {
 166                 console.info('patron', data);
 167                 fill_in( 'borrower_name', data['AE'] );
 168                 fill_in( 'borrower_email', data['BE'] );
 169                 fill_in( 'hold_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 0 * 4 ), 4 ) ) * 1;
 170                 fill_in( 'overdue_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) ) * 1;
 171                 pending_jsonp--;
 172                 change_page('borrower_info');
 173         }).fail( function(data) {
 174                 pending_jsonp--;
 175                 change_page('error');
 176         });
 177 }
 178
 179 function borrower_info() {
 180         // nop
 181 }
 182
 183 function circulation( barcode, sid ) {
 184         if ( barcode
 185                         && barcode.length == 10
 186                         && barcode.substr(0,3) == 130
 187                         && book_barcodes[barcode] != 1
 188         ) { // book, not seen yet
 189                 book_barcodes[ barcode ] = 1;
 190                 pending_jsonp++;
 191                 $.getJSON('/sip2/'+circulation_type+'/'+borrower_cardnumber+'/'+barcode+'/'+sid , function( data ) {
 192                         console.info( circulation_type, data );
 193                         $('ul#books').append('<li>' + ( data['AJ'] || barcode ) + ( data['AF'] ? ' <b>' + data['AF'] + '</b>' : '' ) + '</li>');
 194                         $('#books_count').html( $('ul#books > li').length );
 195                         console.debug( book_barcodes );
 196                         pending_jsonp--;
 197                 }).fail( function() {
 198                         change_page('error');
 199                         pending_jsonp--;
 200                 });
 201         }
 202 }
 203
 204 function end() {
 205         // nop
 206 }