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