1 import Ember from 'ember';

     2 import store from 'store';

     3 import ENV from 'bo-client/config/environment';

     4 

     5 // TODO: implement store layer with auto-expiration : c.f. https://github.com/marcuswestin/store.js/#no-sessionstorageauto-expiration

     6 export default Ember.Service.extend({

     7   constants: Ember.inject.service(),

     8   _getStoreKey: function(id) {

     9     return 'viaf:'+id;

    10   },

    11   getName: function(id) {

    12     var viafId = id;

    13     if(id.startsWith(this.get('constants').VIAF_BASE_URL)) {

    14       viafId = id.slice(this.get('constants').VIAF_BASE_URL.length);

    15     }

    16     var storeKey = this._getStoreKey(id);

    17     var namePromise = null;

    18 

    19     var name = store.get(storeKey);

    20     if(!name) {

    21       //TODO: handle error !!!

    22       namePromise = this.queryName(viafId)

    23         .then( function(response) {

    24             return store.set(storeKey, response);

    25         });

    26     }

    27     else {

    28       namePromise = new Ember.RSVP.Promise(function(resolve/*, reject*/) {

    29         resolve(name);

    30       });

    31     }

    32     return namePromise;

    33   },

    34   // make the query for the name.

    35   // return a Promise

    36   queryName: function(id) {

    37     return new Ember.RSVP.Promise(function(resolve, reject) {

    38       Ember.$.ajax({

    39         //TODO Configuration ?

    40         url:  ENV.baseURL.replace(/\/$/,"") + "/api/v1/viaf/"+id,

    41         success: function(viafDoc) {

    42           var names = viafDoc.viafids;

    43           resolve((id in names)?names[id]:null);

    44         },

    45         error: function(req, status, error) {

    46           reject(status + ":" + error);

    47         }

    48       });

    49     }.bind(this));

    50   }

    51 });