我在用户个人资料中有一组数据,其中包含他们喜欢的所有帖子的UID。我正在使用数据快照在用户配置文件中显示这些图像,但我想加载它懒惰或使用离子无限滚动来加载更多项目,因为用户滚动。
我尝试了两次重复拍摄。首先在页面加载时初始化Feed,然后我希望使用离子无限卷轴加载第二个。
但它不起作用。
有谁知道更好的方法吗?
getWardrobeFeed: function(){
var defered = $q.defer();
var user = User.getLoggedInUser();
var wardrobeKeyRef = new Firebase(FIREBASE_URL + '/userProfile/' + user.uid + '/wardrobe');
wardrobeKeyRef.orderByKey().limitToLast(2).on('child_added', function (snap) {
var imageId = snap.key();
userImageRef.child(imageId).on('value', function (snap) {
$timeout(function () {
if (snap.val() === null) {
delete userWardrobeFeed[imageId];
} else {
userWardrobeFeed[imageId] = snap.val();
}
});
});
});
wardrobeKeyRef.orderByKey().limitToLast(2).on('child_removed', function (snap) {
var imageId = snap.key();
$timeout(function () {
delete userWardrobeFeed[imageId];
});
});
defered.resolve(userWardrobeFeed);
return defered.promise;
},
getWardrobeItems: function(){
var defered = $q.defer();
var user = User.getLoggedInUser();
var wardrobeKeyRef = new Firebase(FIREBASE_URL + '/userProfile/' + user.uid + '/wardrobe');
wardrobeKeyRef.orderByKey().limitToFirst(2).on('child_added', function (snap) {
var imageId = snap.key();
userImageRef.child(imageId).on('value', function (snap) {
$timeout(function () {
if (snap.val() === null) {
delete userWardrobe[imageId];
} else {
userWardrobe[imageId] = snap.val();
}
});
});
});
wardrobeKeyRef.orderByKey().on('child_removed', function (snap) {
var imageId = snap.key();
$timeout(function () {
delete userWardrobe[imageId];
});
});
defered.resolve(userWardrobe);
return defered.promise;
},
$scope.userWardrobe = [];
Service.getWardrobeFeed().then(function(items){
$scope.userWardrobe = items;
});
$scope.loadMore = function() {
Service.getWardrobeItems().then(function(items){
$scope.userWardrobe = $scope.userWardrobe.concat(items);
$scope.$broadcast('scroll.infiniteScrollComplete');
});
};