private void getFromCloud() {
try {
groups = new ArrayList<>();
AVUser user = AVUser.getCurrentUser();
JSONArray array = user.getJSONArray("groups");
if (array != null) {
for (int i = 0; i < array.length(); i++) {
JSONObject object = array.getJSONObject(i);
WrapGroup wrapGroup = new WrapGroup();
Group group = new Group();
group.setWidth(236);
group.setHeight(354);
group.setImageurl(object.getString("imageurl"));
group.setTitle(object.getString("title"));
group.setUrl(object.getString("url"));
wrapGroup.setGroup(group);
wrapGroup.setIscollected(true);
wrapGroup.setDate(new Date().getTime());
wrapGroup.setGroupid(object.getString("groupid"));
groups.add(wrapGroup);
}
saveDb(groups);
mAdapter.replaceWith(groups);
showSnackBar("云端同步成功");
}
} catch (JSONException e) {
e.printStackTrace();
KLog.e(e);
}
}
private void saveToCloud() {
try {
JSONArray array = new JSONArray();
for (WrapGroup group : groups) {
JSONObject object = new JSONObject();
object.put("groupid", group.getGroupid());
object.put("title", group.getGroup().getTitle());
object.put("imageurl", group.getGroup().getImageurl());
object.put("url", group.getGroup().getUrl());
array.put(object);
}
AVUser user = AVUser.getCurrentUser();
user.put("groups", array);
user.saveInBackground(
new SaveCallback() {
@Override
public void done(AVException e) {
if (e == null) {
showSnackBar("云端同步完成");
}
}
});
} catch (JSONException e) {
e.printStackTrace();
KLog.e(e);
}
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTitle("我的收藏");
groups = WrapGroup.all(realm);
KLog.e(groups.size());
mAdapter =
new CollectedAdapter(this) {
@Override
protected void onItemClick(View v, int position) {
startGroupActivity(v, position);
}
};
mRecyclerView.setAdapter(mAdapter);
if (groups.size() > 0) { // 本地有数据才去上传
mAdapter.replaceWith(groups);
if (mHasUser) { // 已经登录
saveToCloud();
} else {
showSnackBar("可以登录进行云端同步啦");
}
} else if (mHasUser) { // 本地没有 并且已经登录
getFromCloud();
} else {
showSnackBar("可以登录进行云端同步啦");
}
}
@Override
public void onRefresh() {
List<WrapGroup> groups = WrapGroup.all(realm);
mAdapter.replaceWith(groups);
mRefresher.setRefreshing(false);
}