use of org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException in project Signal-Android by WhisperSystems.
the class LinkPreviewRepository method fetchGroupLinkPreview.
private static RequestController fetchGroupLinkPreview(@NonNull Context context, @NonNull String groupUrl, @NonNull Callback callback) {
SignalExecutors.UNBOUNDED.execute(() -> {
try {
GroupInviteLinkUrl groupInviteLinkUrl = GroupInviteLinkUrl.fromUri(groupUrl);
if (groupInviteLinkUrl == null) {
throw new AssertionError();
}
GroupMasterKey groupMasterKey = groupInviteLinkUrl.getGroupMasterKey();
GroupId.V2 groupId = GroupId.v2(groupMasterKey);
Optional<GroupDatabase.GroupRecord> group = SignalDatabase.groups().getGroup(groupId);
if (group.isPresent()) {
Log.i(TAG, "Creating preview for locally available group");
GroupDatabase.GroupRecord groupRecord = group.get();
String title = groupRecord.getTitle();
int memberCount = groupRecord.getMembers().size();
String description = getMemberCountDescription(context, memberCount);
Optional<Attachment> thumbnail = Optional.absent();
if (AvatarHelper.hasAvatar(context, groupRecord.getRecipientId())) {
Recipient recipient = Recipient.resolved(groupRecord.getRecipientId());
Bitmap bitmap = AvatarUtil.loadIconBitmapSquareNoCache(context, recipient, 512, 512);
thumbnail = bitmapToAttachment(bitmap, Bitmap.CompressFormat.WEBP, MediaUtil.IMAGE_WEBP);
}
callback.onSuccess(new LinkPreview(groupUrl, title, description, 0, thumbnail));
} else {
Log.i(TAG, "Group is not locally available for preview generation, fetching from server");
DecryptedGroupJoinInfo joinInfo = GroupManager.getGroupJoinInfoFromServer(context, groupMasterKey, groupInviteLinkUrl.getPassword());
String description = getMemberCountDescription(context, joinInfo.getMemberCount());
Optional<Attachment> thumbnail = Optional.absent();
byte[] avatarBytes = AvatarGroupsV2DownloadJob.downloadGroupAvatarBytes(context, groupMasterKey, joinInfo.getAvatar());
if (avatarBytes != null) {
Bitmap bitmap = BitmapFactory.decodeByteArray(avatarBytes, 0, avatarBytes.length);
thumbnail = bitmapToAttachment(bitmap, Bitmap.CompressFormat.WEBP, MediaUtil.IMAGE_WEBP);
if (bitmap != null)
bitmap.recycle();
}
callback.onSuccess(new LinkPreview(groupUrl, joinInfo.getTitle(), description, 0, thumbnail));
}
} catch (ExecutionException | InterruptedException | IOException | VerificationFailedException e) {
Log.w(TAG, "Failed to fetch group link preview.", e);
callback.onError(Error.PREVIEW_NOT_AVAILABLE);
} catch (GroupInviteLinkUrl.InvalidGroupLinkException | GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
Log.w(TAG, "Bad group link.", e);
callback.onError(Error.PREVIEW_NOT_AVAILABLE);
} catch (GroupLinkNotActiveException e) {
Log.w(TAG, "Group link not active.", e);
callback.onError(Error.GROUP_LINK_INACTIVE);
}
});
return () -> Log.i(TAG, "Cancelled group link preview fetch -- no effect.");
}
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