class NegociacaoDao {
constructor(connection){
this._connection = connection;
this._store = 'negociacoes';
}
adiciona(negociacao){
return new Promise((resolve,reject) => {
var request = this._connection
.transaction([this._store],'readwrite')
.objectStore(this._store)
.add(negociacao);
request.onsuccess = (e) => {
resolve();
};
request.onerror = (e) => {
console.log(e.target.error());
reject('Nao foi possivel adicionar a negociacao');
};
});
}
}
