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