signUserIn ({commit, getters}, payload) {
      let data = {
        _email: payload.email,
        _password: payload.password
      }
      let that = this
      that.$http.post(
        'url',
          data,
        { channel: 'default' },
        { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
      ).then(response => {
          const newUser = {
            email: payload.email,
            login: payload.login,
            cart: []
          }
          commit('setUser', newUser)
      }, error => {
          console.error(error);
      });
    }

setUser (state, payload) {
    state.user = payload;
}