gistfile1.js

  fetch: function(S, query) {
    var Q = SGIO.QUERIES;
    console.log('fetch');

    S.dataSourceDidFetchQuery(query); // We fetch all queries immediately, then we will push the new data

    console.log(query);
    if(query === Q.ALL_CLIENT) {
      SC.Request.getUrl('/clients.json').json()
      .notify(this, '_didFetchRecords', S, SGIO.Client)
      .send();
    }
    return YES;
  },

  _didFetchRecords:function(response, S, recordType) {
    if(SC.ok(response)) {
      response.get('body').forEach(function(rec) {
        var key = S.storeKeyFor(recordType, rec.id);
        S.writeDataHash(key, rec, SC.Record.READY_CLEAN);
        S.dataHashDidChange(key);
      });
    }
  },