koha-tmpl/opac-tmpl/bootstrap/js/overdrive.js

   1 if ( typeof KOHA == "undefined" || !KOHA ) {
   2     var KOHA = {};
   3 }
   4
   5 KOHA.OverDrive = ( function() {
   6     var proxy_base_url = '/cgi-bin/koha/svc/overdrive_proxy';
   7     var library_base_url = 'http://api.overdrive.com/v1/libraries/';
   8     return {
   9         Get: function( url, params, callback ) {
  10             $.ajax( {
  11                 type: 'GET',
  12                 url: url.replace( /https?:\/\/api.overdrive.com\/v1/, proxy_base_url ),
  13                 dataType: 'json',
  14                 data: params,
  15                 error: function( xhr, error ) {
  16                     try {
  17                         callback( JSON.parse( xhr.responseText ));
  18                     } catch ( e ) {
  19                         callback( {error: xhr.responseText || true} );
  20                     }
  21                 },
  22                 success: callback
  23             } );
  24         },
  25         GetCollectionURL: function( library_id, callback ) {
  26             if ( KOHA.OverDrive.collection_url ) {
  27                 callback( KOHA.OverDrive.collection_url );
  28                 return;
  29             }
  30
  31             KOHA.OverDrive.Get(
  32                 library_base_url + library_id,
  33                 {},
  34                 function ( data ) {
  35                     if ( data.error ) {
  36                         callback( data );
  37                         return;
  38                     }
  39
  40                     KOHA.OverDrive.collection_url = data.links.products.href;
  41
  42                     callback( data.links.products.href );
  43                 }
  44             );
  45         },
  46         Search: function( library_id, q, limit, offset, callback ) {
  47             KOHA.OverDrive.GetCollectionURL( library_id, function( data ) {
  48                 if ( data.error ) {
  49                     callback( data );
  50                     return;
  51                 }
  52
  53                 KOHA.OverDrive.Get(
  54                     data,
  55                     {q: q, limit: limit, offset: offset},
  56                     callback
  57                 );
  58             } );
  59         }
  60     };
  61 } )();