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#!venv/bin/python
from flask import Flask, render_template, jsonify, request
from flask_sqlalchemy import SQLAlchemy
from lxml import etree
from argparse import ArgumentParser
import requests
import json
# Use this on FreeBSD when you've compiled pyopenssl with openssl from ports
# import urllib3.contrib.pyopenssl
# urllib3.contrib.pyopenssl.inject_into_urllib3()
parser = ArgumentParser(description="C3 rating helper")
parser.add_argument("-i", action="store_true", dest="pretalx_import", default=False, help="import events from pretalx")
parser.add_argument("-c", "--config", help="Config file location", default="./config.json")
args = parser.parse_args()
with open(args.config, mode="r", encoding="utf-8") as json_file:
config = json.load(json_file)
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + config['pretalx-conference'] + '-' + config['track'] + '.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['SECRET_KEY'] = 'Silence is golden. Gerd Eist.'
app.jinja_env.trim_blocks = True
app.jinja_env.lstrip_blocks = True
db = SQLAlchemy(app)
config['pretalx-conf-url'] = config['pretalx-url'] + 'orga/event/' + config['pretalx-conference']
config['pretalx-api-url'] = config['pretalx-url'] + 'api/events/' + config['pretalx-conference'] + '/submissions?track_id' + str(config['track-id'])
class Event(db.Model):
"""An event as dumped from pretalx"""
pretalx_id = db.Column(db.String(64), primary_key=True)
title = db.Column(db.String(1024))
subtitle = db.Column(db.String(1024))
abstract = db.Column(db.Text())
description = db.Column(db.Text())
state = db.Column(db.String(64))
event_type = db.Column(db.String(64))
speakers = db.Column(db.String(1024))
coordinator = db.Column(db.String(1024))
notes = db.Column(db.Text())
duration = db.Column(db.Integer())
class EventRating(db.Model):
"""A rating as given by a logged in user"""
id = db.Column(db.Integer, primary_key=True)
submitter = db.Column(db.String(1024))
pretalx_id = db.Column(db.String(64), db.ForeignKey('event.pretalx_id'))
event = db.relationship('Event', backref=db.backref('ratings', lazy='dynamic'))
comment = db.Column(db.Text())
rating_dict = db.Column(db.String(1024), server_default="{}")
@app.route("/")
def root():
events = Event.query.all()
return render_template('index.html', events=events, json=json, config=config)
@app.route('/api/ratings')
def get_ratings():
return jsonify(EventRating.query.all())
@app.route('/api/set_event_state/<eventid>', methods=['POST'])
def set_sevent_state(eventid):
content = request.json
dbevent = db.session.get(Event, eventid)
dbevent.state = content.get('state', 'new')
db.session.commit()
return jsonify({"result":"ok"})
@app.route('/api/set_event_coordinator/<eventid>', methods=['POST'])
def set_sevent_coordinator(eventid):
content = request.json
dbevent = db.session.get(Event, eventid)
dbevent.coordinator = content['coordinator']
db.session.commit()
return jsonify({"result":"ok"})
@app.route('/api/remove_event/<eventid>', methods=['POST'])
def remove_event(eventid):
dbevent = db.session.get(Event, eventid)
if dbevent.state == 'gone':
db.session.delete(dbevent)
db.session.commit()
return jsonify({"result":"ok"})
@app.route('/api/remove_rating/<eventid>', methods=['POST'])
def remove_rating(eventid):
content = request.json
rating = EventRating.query.filter_by(pretalx_id = eventid, submitter = content['author']).first()
if rating:
db.session.delete(rating)
db.session.commit()
return jsonify({"result":"ok"})
@app.route('/api/add_rating/<eventid>', methods=['POST'])
def add_rating(eventid):
content = request.json
print ( str(eventid) + " " + str(content))
r = content.get('ratings', '{}');
rating = EventRating.query.filter_by(pretalx_id = eventid, submitter = content['author']).first()
rd = json.dumps({ k: r.get(k,'0') for k in ['category1', 'category2', 'category3', 'category4'] })
if rating:
if 'comment' in content:
rating.comment = content['comment']
rating.rating_dict = rd
else:
db.session.add( EventRating( submitter = content.get('author','anonymous'), pretalx_id = eventid, comment = content['comment'], rating_dict = rd))
db.session.commit()
return jsonify({"result":"ok"})
def fetch_talks():
sess = requests.Session()
response = sess.get(config['pretalx-api-url'] + '&format=json&limit=20000' , verify=False, stream=True, headers={'Authorization': "Token " + config['pretalx-token']})
talks_json = json.loads(response.text)
# with open('dump.txt', mode='wb') as localfile:
# localfile.write(response.content)
submissions = [s for s in talks_json['results'] if s['track_id'] == config['track-id'] ]
imported = 0
for json_event in submissions:
# print (json_event)
dbevent = db.session.get(Event, json_event['code'])
speakers = { speaker['code']: speaker['name'] for speaker in json_event['speakers'] }
submission_type = json_event['submission_type'].get('de') or json_event['submission_type'].get('en')
if dbevent:
dbevent.title = json_event['title']
dbevent.abstract = json_event['abstract']
dbevent.description = json_event['description']
dbevent.event_type = submission_type
dbevent.notes = json_event.get('notes')
dbevent.duration = int(json_event['duration'])
if 'state' in json_event:
if json_event['state'] != 'submitted' or dbevent.state == 'gone':
dbevent.state = json_event['state']
dbevent.speakers = json.dumps(speakers)
else:
db.session.add( Event( pretalx_id = json_event['code'], title = json_event['title'], abstract = json_event['abstract'], description = json_event['description'], speakers = json.dumps(speakers), state = json_event.get('state', 'submitted'), event_type = submission_type, notes = json_event.get('notes'), duration = int(json_event['duration'])) )
imported += 1
for goner in Event.query.filter( Event.pretalx_id.notin_([ ev['code'] for ev in submissions ])).all():
goner.state = 'gone'
db.session.commit()
print ('Conference: ' + config['track'] + ', track: ' + config['track'] + ', imported ' + str(len(submissions)) + ' events, ' + str(imported) + ' new.')
if __name__ == "__main__":
with app.app_context():
db.create_all()
if args.pretalx_import:
fetch_talks()
else:
app.run(host=config.get('host', '127.0.0.1'), port=int(config.get('port', '8080')))
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