silvergrid

class SliverGridProductList extends StatefulWidget {
  final List<Base> products;
  final FbConn fbConn;

  SliverGridProductList({this.products, this.fbConn});

  @override
  _SliverGridProductListState createState() =>
      new _SliverGridProductListState();
}

class _SliverGridProductListState extends State<SliverGridProductList> {
  BuildContext context;
  FirebaseAuth _auth;
  bool _isSignedIn = false;
  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    _auth = FirebaseAuth.instance;
    _getCurrentUser();
  }

  void showInSnackBar(String value, bool loggedIn) {
    loggedIn == true
        ? Scaffold.of(context).showSnackBar(new SnackBar(
              content: new Text(value),
              action: new SnackBarAction(
                  label: "Login",
                  onPressed: () {
                    Navigator.of(context).push(new CupertinoPageRoute(
                        builder: (BuildContext context) => new GirliesLogin()));
                  }),
            ))
        : Scaffold.of(context).showSnackBar(new SnackBar(
              content: new Text(value),
            ));
  }

  Future _getCurrentUser() async {
    await _auth.currentUser().then((user) {
      if (user != null) {
        setState(() {
          _isSignedIn = true;
          AppData.currentUserID = user.uid;
        });
      }
    });

    _auth.onAuthStateChanged.listen((user) {
      if (user == null) {
        setState(() {
          _isSignedIn = false;
          AppData.currentUserID = null;
        });
      } else {
        _isSignedIn = true;
        AppData.currentUserID = user.uid;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    this.context = context;
    return new SliverGrid(
      gridDelegate: new SliverGridDelegateWithMaxCrossAxisExtent(
        maxCrossAxisExtent: 220.0,
        mainAxisSpacing: 2.0,
        crossAxisSpacing: 2.0,
        childAspectRatio: 0.9,
      ),
      delegate: new SliverChildBuilderDelegate(
        (BuildContext context, int index) {
          return new GestureDetector(
            onTap: () {
              Navigator.of(context).push(new CupertinoPageRoute(
                  builder: (BuildContext context) => new BoutiqueItem(
                        productCategory:
                            widget.fbConn.getProductCategoryAsList()[index],
                        productImage:
                            widget.fbConn.getDefaultIMGAsList()[index],
                        productPrice:
                            widget.fbConn.getProductPriceAsList()[index],
                        productList: widget.products,
                        productTitle:
                            widget.fbConn.getProductNameAsList()[index],
                        productQuantity: 1,
                        fbConn: widget.fbConn,
                        sizesAvailable:
                            widget.fbConn.getProductSizesAsList()[index],
                        colorsAvailable:
                            widget.fbConn.getProductColorsAsList()[index],
                        itemKey: widget.fbConn.getKeyIDasList()[index],
                        index: index,
                        isInFavorite:
                            widget.fbConn.getIsFavoriteAsList()[index],
                      )));
            },
            child: new Card(
              child: new GridTile(
                  header: new Align(
                    alignment: Alignment.topRight,
                    child: new CupertinoButton(
                      padding: EdgeInsets.zero,
                      child: _isSignedIn == false
                          ? new Icon(
                              Icons.favorite_border,
                              color: Colors.black54,
                            )
                          : widget.fbConn.getIsFavoriteAsList()[index] == false
                              ? new Icon(
                                  Icons.favorite_border,
                                  color: Colors.black54,
                                )
                              : new Icon(
                                  Icons.favorite,
                                  color: MyApp.appColors[600],
                                ),
                      onPressed: () {
                        _isSignedIn == false
                            ? showInSnackBar(
                                "Please login to view your add to favorites!",
                                true)
                            : widget.fbConn.getIsFavoriteAsList()[index] == true
                                ? setState(() {
                                    //widget.fbConn.addFavorite(false, index);
                                    widget.fbConn.removeFavorite(index);
                                    showInSnackBar(
                                        widget.fbConn
                                                .getProductNameAsList()[index] +
                                            " has been removed from your favorite",
                                        false);
                                  })
                                : setState(() {
                                    widget.fbConn.addFavorite(true, index);
                                    showInSnackBar(
                                        widget.fbConn
                                                .getProductNameAsList()[index] +
                                            " has been added to your favorite",
                                        false);
                                  });
                      },
                    ),
                  ),
                  child: new Column(
                    children: <Widget>[
                      new Padding(
                        padding: const EdgeInsets.all(5.0),
                        child: new Image.network(
                          widget.fbConn.getDefaultIMGAsList()[index],
                          height: 120.0,
                        ),
                      ),
                      new Align(
                        alignment: Alignment.center,
                        child: new Padding(
                          padding: const EdgeInsets.all(5.0),
                          child: new Text(
                            "N" + widget.fbConn.getProductPriceAsList()[index],
                          ),
                        ),
                      ),
                      new Align(
                        alignment: Alignment.center,
                        child: new Padding(
                          padding: const EdgeInsets.all(5.0),
                          child: new Text(
                            widget.fbConn.getProductNameAsList()[index],
                          ),
                        ),
                      ),
                    ],
                  ) //just for testing, will fill with image later
                  ),
            ),
          );
        },
        childCount: widget.fbConn.getDataSize(),
      ),
    );
  }
}