ownsMosaic(address,namespace, mosaic)

ownsMosaic.js

/*
* REQUIRES:
*  - https://gist.github.com/acastellana/995326e3a41b5f690db50a17153af312
*  - https://gist.github.com/acastellana/607a47838e842417d80622568543eb74
*/

/**
 * ownsMosaic(address,namespace, mosaic) Checks if address owns any mosaics from namespace:mosaic
 *
 * @param {string} address - NEM Address to check for the mosaic
 * @param {string} namespaceId - Mosaic's namespace name
 * @param {string} mosaic - Mosaic's name
 *
 * @return {promise} - A promise of the NetworkRequests service that returns wether if address owns any mosaics from namespace:mosaic or not
 */
ownsMosaic(address,namespace, mosaic){
    var deferred = this._q.defer();
    var promise = deferred.promise;
    this._NetworkRequests.getMosaicsDefinitions(helpers.getHostname(this._Wallet.node), address).then((result)=>{
        let owns = false;
        if(result.data.length) {
            for (let i = 0; i < result.data.length; ++i) {
                let rNamespace = result.data[i].id.namespaceId;
                let rMosaic = result.data[i].id.name;   
                if(namespace == rNamespace && mosaic == rMosaic){
                    owns = true;
                }
            }
        }
        deferred.resolve(owns);
    }, 
    (err) => {
        if(err.status === -1) {
            this._Alert.connectionError();
        } else {
            this._Alert.errorGetMosaicsDefintions(err.data.message);
        }
    });
    return deferred.promise;
}