nopaque/app/corpora/events.py

from app import db, socketio
from app.events import connected_sessions
from app.models import Corpus
from flask import current_app, request
from flask_login import login_required
from .CQiClient.CQiClient import CQiClient
import logging


@socketio.on('init_corpus_analysis')
@login_required
def init_corpus_analysis(corpus_id):
    logger = logging.getLogger(__name__)
    logger.warning('init_corpus_analysis')
    ''' TODO: Check if current_user is allowed to subscribe to this '''
    socketio.start_background_task(observe_corpus_analysis_connection,
                                   current_app._get_current_object(),
                                   corpus_id,
                                   request.sid)


@socketio.on('query_event')
def recv_query(message):
    logger = logging.getLogger(__name__)
    logger.warning(message)


def observe_corpus_analysis_connection(app, corpus_id, session_id):
    logger = logging.getLogger(__name__)
    corpus = Corpus.query.filter_by(id=corpus_id).first()
    with app.app_context():
        cqi_client = CQiClient(host=corpus.analysis_container_ip)
        while session_id in connected_sessions:
            logger.warning(cqi_client.ctrl_ping())
            logger.warning('Run container, run!')
            socketio.sleep(3)
        corpus.status = 'stop analysis'
        db.session.commit()
        logger.warning('Stop container, stop!')