@Override
public PFQuery<PAPUser> getQuery() {
// Use cached facebook friend ids
List<String> facebookFriends = PAPCache.getSharedCache().getFacebookFriends();
// Query for all friends you have on facebook and who are using the app
PFQuery<PAPUser> friendsQuery = PFQuery.getQuery(PAPUser.class);
friendsQuery.whereContainedIn(PAPUser.FACEBOOK_ID_KEY, facebookFriends);
// Query for all Parse employees
List<String> parseEmployees = new ArrayList<>(PARSE_EMPLOYEE_ACCOUNTS);
parseEmployees.remove(PAPUser.getCurrentUser().getFacebookId());
PFQuery<PAPUser> parseEmployeeQuery = PFQuery.getQuery(PAPUser.class);
parseEmployeeQuery.whereContainedIn(PAPUser.FACEBOOK_ID_KEY, parseEmployees);
PFQuery<PAPUser> query = PFQuery.or(new NSArray<PFQuery<?>>(friendsQuery, parseEmployeeQuery));
query.setCachePolicy(PFCachePolicy.NetworkOnly);
if (getObjects().size() == 0) {
query.setCachePolicy(PFCachePolicy.CacheThenNetwork);
}
query.orderByAscending(PAPUser.DISPLAY_NAME_KEY);
return query;
}
@Override
public void didLoadObjects(NSError error) {
super.didLoadObjects(error);
PFQuery<PAPActivity> isFollowingQuery = PFQuery.getQuery(PAPActivity.class);
isFollowingQuery.whereEqualTo(PAPActivity.FROM_USER_KEY, PAPUser.getCurrentUser());
isFollowingQuery.whereEqualTo(PAPActivity.TYPE_KEY, PAPActivityType.FOLLOW.getKey());
isFollowingQuery.whereContainedIn(PAPActivity.TO_USER_KEY, getObjects());
isFollowingQuery.whereContainedIn(PAPActivity.TO_USER_KEY, getObjects());
isFollowingQuery.setCachePolicy(PFCachePolicy.NetworkOnly);
isFollowingQuery.countInBackground(
new PFCountCallback() {
@Override
public void done(int count, NSError error) {
NSArray<PAPUser> objects = getObjects();
if (error == null) {
if (count == objects.size()) {
followStatus = PAPFindFriendsFollowStatus.ALL;
configureUnfollowAllButton();
for (PAPUser user : objects) {
PAPCache.getSharedCache().setUserFollowStatus(user, true);
}
} else if (count == 0) {
followStatus = PAPFindFriendsFollowStatus.NONE;
configureFollowAllButton();
for (PAPUser user : objects) {
PAPCache.getSharedCache().setUserFollowStatus(user, false);
}
} else {
followStatus = PAPFindFriendsFollowStatus.SOME;
configureFollowAllButton();
}
}
if (objects.size() == 0) {
getNavigationItem().setRightBarButtonItem(null);
}
}
});
if (getObjects().size() == 0) {
getNavigationItem().setRightBarButtonItem(null);
}
}
@Override
public PFTableViewCell getCellForRow(
final UITableView tableView, final NSIndexPath indexPath, final PAPUser user) {
final String friendCellIdentifier = "FriendCell";
PAPFindFriendsCell cell =
(PAPFindFriendsCell) tableView.dequeueReusableCell(friendCellIdentifier);
if (cell == null) {
cell = new PAPFindFriendsCell(UITableViewCellStyle.Default, friendCellIdentifier);
cell.setDelegate(this);
}
cell.setUser(user);
cell.getPhotoLabel().setText("0 photos");
PAPUserAttributes attributes = PAPCache.getSharedCache().getUserAttributes(user);
if (attributes != null) {
// set them now
int count = PAPCache.getSharedCache().getUserPhotoCount(user);
cell.getPhotoLabel().setText(String.format("%d photo%s", count, count == 1 ? "" : "s"));
} else {
synchronized (this) {
Boolean outstandingCountQueryStatus = outstandingCountQueries.get(indexPath);
if (outstandingCountQueryStatus == null || !outstandingCountQueryStatus) {
outstandingCountQueries.put(indexPath, true);
PFQuery<PAPPhoto> photoNumQuery = PFQuery.getQuery(PAPPhoto.class);
photoNumQuery.whereEqualTo(PAPPhoto.USER_KEY, user);
photoNumQuery.setCachePolicy(PFCachePolicy.CacheThenNetwork);
photoNumQuery.countInBackground(
new PFCountCallback() {
@Override
public void done(int count, NSError error) {
synchronized (PAPFindFriendsViewController.this) {
PAPCache.getSharedCache().setUserPhotoCount(user, count);
outstandingCountQueries.remove(indexPath);
}
PAPFindFriendsCell actualCell =
(PAPFindFriendsCell) tableView.getCellForRow(indexPath);
actualCell
.getPhotoLabel()
.setText(String.format("%d photo%s", count, count == 1 ? "" : "s"));
}
});
}
}
}
cell.getFollowButton().setSelected(false);
cell.setTag(indexPath.getRow());
if (followStatus == PAPFindFriendsFollowStatus.SOME) {
if (attributes != null) {
cell.getFollowButton().setSelected(PAPCache.getSharedCache().getUserFollowStatus(user));
} else {
synchronized (this) {
final PAPFindFriendsCell c = cell;
Boolean outstandingQuery = outstandingFollowQueries.get(indexPath);
if (outstandingQuery == null || !outstandingQuery) {
outstandingFollowQueries.put(indexPath, true);
PFQuery<PAPActivity> isFollowingQuery = PFQuery.getQuery(PAPActivity.class);
isFollowingQuery.whereEqualTo(PAPActivity.FROM_USER_KEY, PAPUser.getCurrentUser());
isFollowingQuery.whereEqualTo(PAPActivity.TYPE_KEY, PAPActivityType.FOLLOW.getKey());
isFollowingQuery.whereEqualTo(PAPActivity.TO_USER_KEY, user);
isFollowingQuery.setCachePolicy(PFCachePolicy.CacheThenNetwork);
isFollowingQuery.countInBackground(
new PFCountCallback() {
@Override
public void done(int count, NSError error) {
synchronized (this) {
outstandingFollowQueries.remove(indexPath);
PAPCache.getSharedCache()
.setUserFollowStatus(user, error == null && count > 0);
}
if (c.getTag() == indexPath.getRow()) {
c.getFollowButton().setSelected(error == null && count > 0);
}
}
});
}
}
}
} else {
cell.getFollowButton().setSelected(followStatus == PAPFindFriendsFollowStatus.ALL);
}
return cell;
}