def get_clusters(userId):
db = MongoInit().initialize()
messageService = MessageService(db)
messages = messageService.getMessagesByUser(userId)
nlpService = NLPService()
clusters = nlpService.processMessages(messages)
result = []
for key, values in clusters.iteritems():
clusterId = int(key)
clusteredMessages = [{'subject': v.subject, 'sender': v.sender, 'content': v.originalContent, 'date': v.date} for v in values[:10]]
cluster = {'clusterId': clusterId, 'messages': clusteredMessages}
result.append(cluster)
return make_response(jsonify({'clusters':result}), 200)