@RequestMapping(value = "/api/group", method = RequestMethod.POST, produces = "application/json")
public List<BroadcastGroup> createGroup(
@RequestParam("name") String name, @RequestParam("setSize") Integer setSize) {
if (broadcastRepository.findOne(name) == null) {
AtomicInteger counter = new AtomicInteger(0);
List<String> userIds =
session
.getUsers()
.stream()
.filter(slackUser -> !slackUser.isBot())
.map(SlackPersona::getId)
.collect(Collectors.toList());
List<BroadcastSet> broadcastSets =
Lists.partition(userIds, setSize)
.stream()
.map(
set ->
new BroadcastSet(
counter.incrementAndGet(), set, new ArrayList<BroadcastMessage>()))
.collect(Collectors.toList());
broadcastRepository.save(new BroadcastGroup(name, broadcastSets, new Date()));
} else {
log.error("Group with name {} already exist", name);
}
return broadcastRepository.findAll();
}
@RequestMapping(
value = "/api/broadcast",
method = RequestMethod.POST,
produces = "application/json")
public List<BroadcastGroup> broadcastMessage(
@RequestParam("name") String name,
@RequestParam("set") Integer setId,
@RequestParam("message") String message) {
BroadcastGroup group = broadcastRepository.findOne(name);
if (group != null) {
Optional<BroadcastSet> setOptional =
group.getBroadcastSets().stream().filter(set -> set.getId() == setId).findFirst();
if (setOptional.isPresent()) {
BroadcastSet set = setOptional.get();
set.getMessages().add(new BroadcastMessage(message, new Date()));
broadcastRepository.save(group);
executorService.execute(
() -> {
set.getUsers()
.forEach(
userId -> {
SlackUser user = session.findUserById(userId);
session.sendMessageToUser(user, message, null);
});
});
} else {
log.error("Can't find set with id {}", setId);
}
} else {
log.error("Can't find group with name {}", name);
}
return broadcastRepository.findAll();
}