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                                 location.reload(); // force js VM to GC?
  59                         },end_timeout);
  60                 }
  61
  62                 if ( state == 'error' ) {
  63                         window.setTimeout(function(){
  64                                 //change_page('start');
  65                                 location.reload();
  66                         },error_timeout);
  67                 }
  68         }
  69 }
  70
  71 function got_visible_tags(data,textStatus) {
  72         var html = 'No tags in range';
  73         if ( data.tags ) {
  74                 html = '<ul class="tags">';
  75                 $.each(data.tags, function(i,tag) {
  76                         console.debug( i, tag );
  77                         html += '<li><tt class="' + tag.security + '">' + tag.sid;
  78                         var content = tag.content || tag.borrower.cardnumber;
  79
  80                         if ( content ) {
  81                                 var link;
  82                                 if ( content.length = 10 && content.substr(0,3) == 130 ) { // book
  83                                         link = 'catalogue/search.pl?q=';
  84                                 } else if ( content.length == 12 && content.substr(0,2) == 20 ) {
  85                                         link = 'members/member.pl?member=';
  86                                 } else {
  87                                         html += '<b>UNKNOWN TAG</b> '+content;
  88                                 }
  89
  90                                 if ( link ) {
  91                                         html += ' <a href="http://koha.example.com:8080/cgi-bin/koha/'
  92                                                 + link + content
  93                                                 + '" title="lookup in Koha" target="koha-lookup">' + content + '</a>';
  94                                                 + '</tt>';
  95                                 }
  96
  97                                 console.debug( 'calling', state, content );
  98                                 window[state]( content, tag.sid ); // call function with barcode
  99
 100                         }
 101                 });
 102                 html += '</ul>';
 103
 104         }
 105
 106         var arrows = Array( 8592, 8598, 8593, 8599, 8594, 8600, 8595, 8601 );
 107
 108         html = '<div class=status>'
 109                 + textStatus
 110                 + ' &#' + arrows[ data.time % arrows.length ] + ';'
 111                 + '</div>'
 112                 + html
 113                 ;
 114         $('#tags').html( html ); // FIXME leaks memory?
 115
 116         pending_jsonp--;
 117 };
 118
 119 function scan_tags() {
 120         if ( pending_jsonp ) {
 121                 console.debug('scan_tags disabled ', pending_jsonp, ' requests waiting');
 122         } else {
 123                 console.info('scan_tags');
 124                 pending_jsonp++;
 125                 $.getJSON("/scan?callback=?", got_visible_tags);
 126         }
 127
 128         scan_timeout = window.setTimeout(function(){
 129                 scan_tags();
 130         },tag_rescan);  // re-scan every 200ms
 131 }
 132
 133 $(document).ready(function() {
 134                 $('div#tags').click( function() {
 135                         scan_tags();
 136                 });
 137
 138                 change_page('start');
 139 });
 140
 141 function fill_in( where, value ) {
 142         $('.'+where).each(function(i, el) {
 143                 $(el).html(value);
 144         });
 145
 146 }
 147
 148 /* Selfcheck state actions */
 149
 150 var borrower_cardnumber;
 151 var circulation_type;
 152 var book_barcodes = {};
 153
 154 function start( cardnumber ) {
 155
 156         if ( cardnumber.length != 12 || cardnumber.substr(0,2) != "20" ) {
 157                 console.error(cardnumber, ' is not borrower card');
 158                 return;
 159         }
 160
 161         borrower_cardnumber = cardnumber; // for circulation
 162
 163         fill_in( 'borrower_number', cardnumber );
 164
 165         pending_jsonp++;
 166         $.getJSON('/sip2/patron_info/'+cardnumber)
 167         .done( function( data ) {
 168                 console.info('patron', data);
 169                 fill_in( 'borrower_name', data['AE'] );
 170                 fill_in( 'borrower_email', data['BE'] );
 171                 fill_in( 'hold_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 0 * 4 ), 4 ) ) * 1;
 172                 fill_in( 'overdue_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) ) * 1;
 173                 fill_in( 'charged_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 2 * 4 ), 4 ) ) * 1;
 174                 fill_in( 'fine_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 3 * 4 ), 4 ) ) * 1;
 175                 pending_jsonp--;
 176                 change_page('borrower_info');
 177         }).fail( function(data) {
 178                 pending_jsonp--;
 179                 change_page('error');
 180         });
 181 }
 182
 183 function borrower_info() {
 184         // nop
 185 }
 186
 187 function circulation( barcode, sid ) {
 188         if ( barcode
 189                         && barcode.length == 10
 190                         && barcode.substr(0,3) == 130
 191                         && book_barcodes[barcode] != 1
 192         ) { // book, not seen yet
 193                 book_barcodes[ barcode ] = 1;
 194                 pending_jsonp++;
 195                 $.getJSON('/sip2/'+circulation_type+'/'+borrower_cardnumber+'/'+barcode+'/'+sid , function( data ) {
 196                         console.info( circulation_type, data );
 197
 198                         var color = 'red';
 199                         if ( data['fixed'].substr(2,1) == 1 ) color='green';
 200
 201                         $('ul#books').append('<li style="color:'+color+'">' + ( data['AJ'] || barcode ) + ( data['AF'] ? ' <b>' + data['AF'] + '</b>' : '' ) + '</li>');
 202                         $('#books_count').html( $('ul#books > li').length );
 203                         console.debug( book_barcodes );
 204                         pending_jsonp--;
 205                 }).fail( function() {
 206                         change_page('error');
 207                         pending_jsonp--;
 208                 });
 209         }
 210 }
 211
 212 function end() {
 213         // nop
 214 }