Stop polling. Use SocketIO!

app/main/views.py

@@ -1,10 +1,12 @@
 from flask import (abort, current_app, flash, redirect, request,
                    render_template, url_for, send_from_directory)
 from flask_login import current_user, login_required
+from flask_socketio import emit
 from . import main
 from .forms import CreateCorpusForm
 from .. import db, socketio
 from ..models import Corpus
+import json
 import os
 
 
@@ -19,6 +21,21 @@ def handle_message(message):
     print('received message: ' + str(message))
 
 
+@socketio.on('connect')
+@login_required
+def connect():
+    corpora = []
+    jobs = []
+
+    for corpus in current_user.corpora:
+        corpora.append(corpus.to_dict())
+    for job in current_user.jobs:
+        jobs.append(job.to_dict())
+
+    emit('corpora', {'data': json.dumps(corpora)})
+    emit('jobs', {'data': json.dumps(jobs)})
+
+
 @main.route('/corpora/<int:corpus_id>')
 @login_required
 def corpus(corpus_id):