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
   6 // mock console
   7 if(!window.console) {
   8         window.console = new function() {
   9                 this.info = function(str) {};
  10                 this.error = function(str) {};
  11                 this.debug = function(str) {};
  12         };
  13 }
  14
  15 var state;
  16 var scan_timeout;
  17
  18 function change_page(new_state) {
  19         if ( state != new_state ) {
  20
  21                 if ( new_state == 'checkin' ) {
  22                         new_state = 'circulation'; // page has different name
  23                         $('.checkout').hide();
  24                         $('.checkin').show();
  25                 } else if ( new_state == 'checkout' ) {
  26                         new_state = 'circulation'; // page has different name
  27                         $('.checkout').show();
  28                         $('.checkin').hide();
  29                 }
  30
  31                 state = new_state;
  32
  33                 $('.page').each( function(i,el) {
  34                         if ( el.id != new_state ) {
  35                                 $(el).hide();
  36                         } else {
  37                                 $(el).show();
  38                         }
  39                 });
  40                 console.info('change_page', state);
  41
  42                 if ( state == 'start' ) {
  43                         start_scan();
  44                 }
  45                 if ( state == 'end' ) {
  46                         window.setTimeout(function(){
  47                                 change_page('start');
  48                         },end_timeout);
  49                 }
  50
  51                 if ( state == 'error' ) {
  52                         window.setTimeout(function(){
  53                                 change_page('start');
  54                         },error_timeout);
  55                 }
  56         }
  57 }
  58
  59 function got_visible_tags(data,textStatus) {
  60         var html = 'No tags in range';
  61         if ( data.tags ) {
  62                 html = '<ul class="tags">';
  63                 $.each(data.tags, function(i,tag) {
  64                         console.debug( i, tag );
  65                         html += '<li><tt class="' + tag.security + '">' + tag.sid;
  66                         var content = tag.content
  67                         if (typeof content === undefined && typeof tag.borrower !== undefined)
  68                                 content = tag.borrower.cardnumber;
  69
  70                         var is_book = false;
  71                         var is_borrower = false;
  72
  73                         if ( content ) {
  74                                 var link;
  75                                 if ( content.length = 10 && content.substr(0,3) == 130 ) { // book
  76                                         is_book = true;
  77                                         link = 'catalogue/search.pl?q=';
  78                                 } else if ( content.length == 12 && content.substr(0,2) == 20 ) {
  79                                         is_borrower = true;
  80                                         link = 'members/member.pl?member=';
  81                                 } else {
  82                                         html += '<b>UNKNOWN TAG</b> '+content;
  83                                 }
  84
  85                                 if ( link ) {
  86                                         html += ' <a href="http://koha.example.com:8080/cgi-bin/koha/'
  87                                                 + link + content
  88                                                 + '" title="lookup in Koha" target="koha-lookup">' + content + '</a>';
  89                                                 + '</tt>';
  90                                 }
  91
  92                                 console.debug( 'calling', state, content );
  93                                 window[state]( content ); // call function with barcode
  94
  95                         }
  96                 });
  97                 html += '</ul>';
  98         }
  99
 100         var arrows = Array( 8592, 8598, 8593, 8599, 8594, 8600, 8595, 8601 );
 101
 102         html = '<div class=status>'
 103                 + textStatus
 104                 + ' &#' + arrows[ data.time % arrows.length ] + ';'
 105                 + '</div>'
 106                 + html
 107                 ;
 108         $('#tags').html( html );
 109         scan_timeout = window.setTimeout(function(){
 110                 scan_tags();
 111         },200); // re-scan every 200ms
 112 };
 113
 114 function scan_tags() {
 115         if ( $('input#pull-reader').attr('checked') ) {
 116                 console.info('scan_tags');
 117                 $.getJSON("/scan?callback=?", got_visible_tags);
 118         }
 119 }
 120
 121 function start_scan() {
 122         $('input#pull-reader').attr('checked', true);
 123         scan_tags();
 124 }
 125
 126 function stop_scan() {
 127         $('input#pull-reader').attr('checked', '');
 128 }
 129
 130 $(document).ready(function() {
 131                 $('input#pull-reader').click( function() {
 132                         scan_tags();
 133                 });
 134
 135                 $('div#tags').click( function() {
 136                         $('input#pull-reader').attr('checked', false);
 137                 } );
 138
 139                 change_page('start');
 140 });
 141
 142 function fill_in( where, value ) {
 143         $('.'+where).each(function(i, el) {
 144                 $(el).html(value);
 145         });
 146
 147 }
 148
 149 /* Selfcheck state actions */
 150
 151 var borrower_cardnumber;
 152 var circulation_type;
 153 var book_barcodes = {};
 154
 155 function start( cardnumber ) {
 156
 157         if ( cardnumber.length != 12 || cardnumber.substr(0,2) != "20" ) {
 158                 console.error(cardnumber, ' is not borrower card');
 159                 return;
 160         }
 161
 162         borrower_cardnumber = cardnumber;
 163         circulation_type = 'checkout';
 164         book_barcodes = {};
 165
 166         change_page('borrower_check');
 167 }
 168
 169 function borrower_check() {
 170
 171         stop_scan();
 172
 173         fill_in( 'borrower_number', borrower_cardnumber );
 174
 175         $.getJSON('/sip2/patron_info/'+borrower_cardnumber)
 176         .done( function( data ) {
 177                 console.info('patron', data);
 178                 fill_in( 'borrower_name', data['AE'] );
 179                 fill_in( 'borrower_email', data['BE'] );
 180                 fill_in( 'hold_items',    data['fixed'].substr( 2 + 14 + 3 + 18 + ( 0 * 4 ), 4 ) ) * 1;
 181                 fill_in( 'overdue_items', data['fixed'].substr( 2 + 14 + 3 + 18 + ( 1 * 4 ), 4 ) ) * 1;
 182                 change_page('borrower_info');
 183         }).fail( function(data) {
 184                 change_page('error');
 185         });
 186 }
 187
 188 function borrower_info() {
 189         // nop
 190 }
 191
 192 function circulation( barcode ) {
 193         if ( barcode
 194                         && barcode.length == 10
 195                         && barcode.substr(0,3) == 130
 196                         && typeof book_barcodes[barcode] !== undefined
 197         ) { // book, not seen yet
 198                 $.getJSON('/sip2/'+circulation_type+'/'+borrower_cardnumber+'/'+barcode , function( data ) {
 199                         console.info( circulation_type, data );
 200                         $('ul#books').append('<li>' + data['AJ'] + ' <small>' + data['AF'] + '</small></li>');
 201                         book_barcodes[ barcode ] = 1;
 202                         console.debug( book_barcodes );
 203                 }).fail( function() {
 204                         change_page('error');
 205                 });
 206         }
 207 }
 208