Method updateSelf

Telegram/SourceFiles/api/api_peer_photo.cpp:198–229

}

void PeerPhoto::updateSelf(
		not_null<PhotoData*> photo,
		Data::FileOrigin origin,
		Fn<void()> done) {
	const auto send = [=](auto resend) -> void {
		const auto usedFileReference = photo->fileReference();
		_api.request(MTPphotos_UpdateProfilePhoto(
			MTP_flags(0),
			MTPInputUser(), // bot
			photo->mtpInput()
		)).done([=](const MTPphotos_Photo &result) {
			result.match([&](const MTPDphotos_photo &data) {
				_session->data().processPhoto(data.vphoto());
				_session->data().processUsers(data.vusers());
			});
			if (done) {
				done();
			}
		}).fail([=](const MTP::Error &error) {
			if (error.code() == 400
				&& error.type().startsWith(u"FILE_REFERENCE_"_q)) {
				photo->session().api().refreshFileReference(origin, [=](
						const auto &) {
					if (photo->fileReference() != usedFileReference) {
						resend(resend);
					}
				});
			}
		}).send();
	};
	send(send);
}

void PeerPhoto::upload(
		not_null<PeerData*> peer,