js2/mwEmbed/libAddMedia/searchLibs/archiveOrgSearch.js

   1 /*
   2 * Archive.org Search
   3 *
   4 * archive.org uses the solr engine:
   5 * more about solr here:
   6 * http://lucene.apache.org/solr/
   7 */
   8
   9 var archiveOrgSearch = function ( iObj ) {
  10         return this.init( iObj );
  11 }
  12 archiveOrgSearch.prototype = {
  13         // Archive.org constants:
  14         downloadUrl : 'http://www.archive.org/download/',
  15         detailsUrl : 'http://www.archive.org/details/',
  16         /*
  17         * Inititalize the archiveOrgSearch class.
  18         * archiveOrgSearch inherits the baseSearch class
  19         */
  20         init:function( options ) {
  21                 var baseSearch = new baseRemoteSearch( options );
  22                 for ( var i in baseSearch ) {
  23                         if ( typeof this[i] == 'undefined' ) {
  24                                 this[i] = baseSearch[i];
  25                         } else {
  26                                 this['parent_' + i] =  baseSearch[i];
  27                         }
  28                 }
  29         },
  30         /**
  31         * Gets the search results from the api query
  32         */
  33         getSearchResults:function() {
  34                 // call parent:
  35                 this.parent_getSearchResults();
  36                 var _this = this;
  37                 js_log( 'f:getSearchResults for:' + $j( '#rsd_q' ).val() );
  38                 // build the query var
  39                 var q = $j( '#rsd_q' ).val();
  40                 // @@todo check advanced options: include audio and images media types
  41                 // for now force (Ogg video) & url based license
  42                 q += ' format:(Ogg video)';
  43                 q += ' licenseurl:(http\\:\\/\\/*)';
  44                 var reqObj = {
  45                         'q': q, // just search for video atm
  46                         'fl':"description,title,identifier,licenseurl,format,license,thumbnail",
  47                         'wt':'json',
  48                         'rows' : this.cp.limit,
  49                         'start' : this.cp.offset
  50                 }
  51                 do_api_req( {
  52                         'data':reqObj,
  53                         'url':this.cp.api_url,
  54                         'jsonCB':'json.wrf'
  55                         }, function( data ) {
  56                                 _this.addResults( data );
  57                                 _this.loading = false;
  58                         }
  59                 );
  60         },
  61         /**
  62         * Adds the search results to the local resultsObj
  63         */
  64         addResults:function( data ) {
  65                 var _this = this;
  66                 if ( data.response && data.response.docs ) {
  67                         // Set result info:
  68                         this.num_results = data.response.numFound;
  69
  70                         for ( var resource_id in data.response.docs ) {
  71                                 var resource = data.response.docs[resource_id];
  72                                 var rObj = {
  73                                         // @@todo we should add .ogv or oga if video or audio:
  74                                         'titleKey'       :  resource.identifier + '.ogg',
  75                                         'resourceKey':  resource.identifier,
  76                                         'link'           : _this.detailsUrl + resource.identifier,
  77                                         'title'          : resource.title,
  78                                         'poster'         : _this.downloadUrl + resource.identifier + '/format=thumbnail',
  79                                         'poster_ani' : _this.downloadUrl + resource.identifier + '/format=Animated+Gif',
  80                                         'thumbwidth' : 160,
  81                                         'thumbheight': 110,
  82                                         'desc'           : resource.description,
  83                                         'src'            : _this.downloadUrl + resource.identifier + '/format=Ogg+video',
  84                                         'mime'           : 'application/ogg',
  85                                         // Set the license: (rsd is a pointer to the parent remoteSearchDriver )
  86                                         'license'        : this.rsd.getLicenceFromUrl( resource.licenseurl ),
  87                                         'pSobj'          :_this
  88
  89                                 };
  90                                 this.resultsObj[ resource_id ] = rObj;
  91                         }
  92                 }
  93         },
  94         /**
  95         * Gets some media metadata via a archive.org special entry point "avinfo"
  96         */
  97         addResourceInfoCallback:function( rObj, callback ) {
  98                 var _this = this;
  99                 do_api_req( {
 100                         'data': { 'avinfo' : 1 },
 101                         'url':_this.downloadUrl + rObj.resourceKey + '/format=Ogg+video'
 102                 }, function( data ) {
 103                         if ( data['length'] )
 104                                 rObj.duration = data['length'];
 105                         if ( data['width'] )
 106                                 rObj.width = data['width'];
 107                         if ( data['height'] )
 108                                 rObj.height = data['height'];
 109
 110                         callback();
 111                 } );
 112         },
 113         /*
 114         * Returns html to embed a given result Object ( rObj )
 115         */
 116         getEmbedHTML: function( rObj , options ) {
 117                 js_log( 'getEmbedHTML:: ' + rObj.poster );
 118                 if ( !options )
 119                         options = { };
 120                 var id_attr = ( options['id'] ) ? ' id = "' + options['id'] + '" ': '';
 121                 if ( rObj.duration ) {
 122                         var src = rObj.src + '?t=0:0:0/' + seconds2npt( rObj.duration );
 123                 } else {
 124                         var src = rObj.src;
 125                 }
 126                 if ( rObj.mime == 'application/ogg' || rObj.mime == 'audio/ogg' || rObj.mime == 'video/ogg' ) {
 127                         return '<video ' + id_attr + ' src="' + src + '" poster="' + rObj.poster + '" type="video/ogg"></video>';
 128                 }
 129         }
 130 }