Initial commit

7 files changed, 973 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..18dfbcd
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+all: install
+
+import:
+        venv/bin/python3 ./rater.py -i
+
+run:
+        PYTHONIOENCODING=utf-8 venv/bin/python3 ./rater.py
+
+venv:
+        python3 -m venv ./venv
+
+install: venv
+        venv/bin/pip install --upgrade pip
+        venv/bin/pip install -r requirements.txt
diff --git a/config-example.json b/config-example.json
new file mode 100644
index 0000000..5c4e4bc
--- /dev/null
+++ b/config-example.json
@@ -0,0 +1,22 @@
+{
+  "track": "polsoc",
+  "track-name": "Ethics%2C+Society+%26+Politics",
+  "host": "127.0.0.1",
+  "port": 5000,
+  "frab-url": "https://frab.cccv.de/",
+  "frab-user": "<FRAB-USER>",
+  "frab-password": "<FRAB-PASSWORD>",
+  "frab-conference": "36C3",
+  "rt-url": "https://rt.cccv.de/",
+  "rt-user": "<RT-USER>",
+  "rt-password": "<RT-PASS>",
+  "categories": [ "Relevanz", "Expertise", "Praesentation", "Nachfrage" ],
+  "frab-person-map": {
+        "anna": 12345,
+        "ben": 6789
+    },
+  "rt-person-map": {
+        "anna": "anna@mail.org",
+        "ben": "ben@mailbox.com"
+    }
+}
diff --git a/rater.py b/rater.py
new file mode 100755
index 0000000..e1ed9c5
--- /dev/null
+++ b/rater.py
@@ -0,0 +1,172 @@
+#!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="frab_import", default=False, help="import events from frab")
+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_data = json.load(json_file)
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///'+config_data.get('frab-conference')+'-'+config_data.get('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)
+
+class Event(db.Model):
+    """An event as dumped from frab"""
+    frab_id = db.Column(db.Integer, 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())
+
+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))
+    event_id = db.Column(db.Integer, db.ForeignKey('event.frab_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_data, cat=config_data.get('categories'))
+
+@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 = Event.query.get(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 = Event.query.get(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 = Event.query.get(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(event_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(event_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'), event_id = eventid, comment = content['comment'], rating_dict = rd))
+
+    db.session.commit()
+    return jsonify({"result":"ok"})
+
+def fetch_talks(config):
+    sess = requests.Session()
+    new_session_page = sess.get(config.get('frab-url'))
+    tree = etree.HTML(new_session_page.text)
+    auth_token = tree.xpath("//meta[@name='csrf-token']")[0].get("content")
+    login_data = dict()
+    login_data['user[email]'] = config.get('frab-user')
+    login_data['user[password]'] = config.get('frab-password')
+    login_data['user[remember_me]'] = 1
+    login_data['authenticity_token'] = auth_token
+
+    frab = config.get('frab-url')
+    conf = config.get('frab-conference')
+    track = config.get('track-name')
+
+    sess.post(frab + 'users/sign_in?conference_acronym=' + conf + '&locale=en', login_data, verify=False)
+    response = sess.get(frab + 'en/'+conf+'/events?track_name=' + track + '&format=json', verify=False, stream=True)
+
+    talks_json = json.loads(response.text)
+
+#    with open('dump.txt', mode='wb') as localfile:
+#        localfile.write(response.content)
+
+    imported = 0
+    for json_event in talks_json['events']:
+#        print (json_event)
+        rawhtml = sess.get(frab + 'en/' + conf + '/events/'+ str(json_event['id']), verify=False, stream=True)
+        tree = etree.HTML(rawhtml.text)
+        submission_notes = tree.xpath('//b[text()="Submission Notes(user and admin):"]')[0].tail.strip()
+
+        dbevent = Event.query.get(json_event['id'])
+        speakers = { speaker['id']: speaker['full_public_name'] for speaker in json_event['speakers'] }
+        if dbevent:
+            dbevent.title = json_event['title']
+            dbevent.subtitle = json_event['subtitle']
+            dbevent.abstract = json_event['abstract']
+            dbevent.description = json_event['description']
+            dbevent.event_type = json_event['type']
+            dbevent.notes = submission_notes
+            if 'state' in json_event:
+                if json_event['state'] != 'new' or dbevent.state == 'gone':
+                    dbevent.state = json_event['state']
+            dbevent.speakers = json.dumps(speakers)
+        else:
+            db.session.add( Event( frab_id = json_event['id'], title = json_event['title'], subtitle = json_event['subtitle'], abstract = json_event['abstract'], description = json_event['description'], speakers = json.dumps(speakers), state = json_event.get('state', 'new'), event_type = json_event['type'], notes = submission_notes) )
+            imported += 1
+    for goner in Event.query.filter( Event.frab_id.notin_([ ev['id'] for ev in talks_json['events'] ])).all():
+        goner.state = 'gone'
+    db.session.commit()
+    print ('Conference: ' + conf + ', track: ' + track + ', imported ' + str(len(talks_json['events'])) + ' events, ' + str(imported) + ' new.')
+
+
+if __name__ == "__main__":
+    db.create_all()
+    if args.frab_import:
+        fetch_talks(config_data)
+    else:
+        app.run(host=config_data.get('host'), port=int(config_data.get('port')))
+
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..fa92333
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,14 @@
+certifi==2017.7.27.1
+chardet==3.0.4
+click==6.7
+Flask==0.12.2
+Flask-SQLAlchemy==2.2
+idna==2.6
+itsdangerous==0.24
+Jinja2==2.9.6
+lxml==3.8.0
+MarkupSafe==1.0
+requests==2.18.4
+SQLAlchemy==1.1.14
+urllib3==1.22
+Werkzeug==0.12.2
diff --git a/static/rater.css b/static/rater.css
new file mode 100644
index 0000000..ae54a13
--- /dev/null
+++ b/static/rater.css
@@ -0,0 +1,292 @@
+body {
+  font-family: "HelveticaNeueLight", "HelveticaNeue-Light", "Helvetica Neue Light", "HelveticaNeue", "Helvetica Neue", 'TeXGyreHerosRegular', "Helvetica", "Tahoma", "Geneva", "Arial", sans-serif; font-weight:200; font-stretch:normal;
+}
+
+.username-wrapper {
+  position: absolute;
+  right: 5px;
+}
+
+.changed {
+  background-color: #00f000;
+  color: white;
+}
+
+.clearfix {
+  clear: both;
+}
+
+#event-list {
+  padding-left: 0em;
+  list-style-type: none;
+}
+
+.main-button {
+  vertical-align: top;
+  text-align: center;
+  height: 40px;
+  width: 40px;
+  padding: 0;
+}
+
+.mini-button {
+  margin-right: 0.2em;
+}
+
+button {
+  background-color: #759ae9;
+  background-image: linear-gradient(top, #759ae9 0%, #376fe0 50%, #1a5ad9 50%, #2463de 100%);
+  background-image: -webkit-linear-gradient(top, #759ae9 0%, #376fe0 50%, #1a5ad9 50%, #2463de 100%);
+  border-top: 1px solid #1f58cc;
+  border-right: 1px solid #1b4db3;
+  border-bottom: 1px solid #174299;
+  border-left: 1px solid #1b4db3;
+  border-radius: 4px;
+  box-shadow: inset 0 0 2px 0 rgba(57, 140, 255, 0.8);
+  color: #fff;
+  text-shadow: 0 -1px 1px #1a5ad9;
+}
+
+.event-list-item {
+  vertical-align: top;
+  background-color: #f6f6f6;
+  margin-bottom: 0.5em;
+  border: 1px solid silver;
+  border-radius: 10px;
+  padding: 0 0.5em 0.5em 0.5em;
+  box-sizing: border-box;
+}
+
+.event-list-item[event_state='gone'] {
+    background-image:
+        repeating-linear-gradient(
+          45deg,
+          #eee,
+          #eee 20px,
+          #ddd 20px,
+          #ddd 40px /* determines size */
+        );
+}
+
+.event-list-item[event_type=meeting] .event-title:before { content: 'MEETING '; color: red; font-size: smaller; }
+.event-list-item[event_type=workshop] .event-title:before { content: 'WORKSHOP '; color: red; font-size: smaller; }
+.event-list-item[event_type=concert] .event-title:before { content: 'CONCERT '; color: red; font-size: smaller; }
+.event-list-item[event_type=film] .event-title:before { content: 'FILM '; color: red; font-size: smaller; }
+.event-list-item[event_type=other] .event-title:before { content: 'OTHER '; color: red; font-size: smaller; }
+.event-list-item[event_type=podium] .event-title:before { content: 'PODIUM '; color: red; font-size: smaller; }
+.event-list-item[event_type=performance] .event-title:before { content: 'PERFORMANCE '; color: red; font-size: smaller; }
+.event-list-item[event_type=lightning_talk] .event-title:before { content: 'LIGHTNING '; color: red; font-size: smaller; }
+
+body.two-column .event-list-item {
+  display: inline-block;
+  width: 48%;
+  margin-right: 1%;
+}
+
+body.three-column .event-list-item {
+  display: inline-block;
+  width: 32%;
+  margin-right: 1%;
+}
+
+body.four-column .event-list-item {
+  display: inline-block;
+  width: 23.5%;
+  margin-right: 1%;
+}
+
+.event-rating {
+  display: inline-block;
+  width: 15em;
+  margin: 1em 1em 0 0;
+  padding: 0.2em;
+  background-color: #f0f0f0;
+  border-radius: 10px;
+  vertical-align:top;
+  font-size: smaller;
+}
+
+.event-title,
+.event-subtitle {
+  display: inline;
+  font-weight: bold;
+}
+
+.event-subtitle {
+  font-size: smaller;
+}
+
+.event-rating-comment {
+  min-height: 3em;
+  margin-top: 0.1em;
+  background-color: white;
+}
+
+#Filter, #Username {
+  font-size: x-large;
+  height: 40px;
+}
+
+.label {
+  float: left;
+  min-width: 8em !important;
+  font-style: italic;
+}
+
+.event-persons {
+  margin-top: 0.2em;
+  margin-bottom: 0.2em;
+}
+
+.event-speaker, .event-coordinator {
+  display: inline;
+}
+
+.event-coordinator {
+  margin-right: 0.5em;
+}
+
+.slider {
+  display: inline;
+}
+
+.event-notes,
+.event-description,
+.event-abstract {
+  height: 1.2em;
+  overflow: hidden;
+  cursor: zoom-in;
+  margin-bottom: 0.2em;
+  margin-right: 2em;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.event-notes.full,
+.event-description.full,
+.event-abstract.full {
+  cursor: zoom-out;
+  background: white;
+  overflow: visible;
+  height: auto !important;
+  white-space: initial;
+}
+
+body.only-lectures .lectures-button,
+body.only-todo .todo-button,
+body.show-ratings .ratings-button,
+body.two-column .two-columns,
+body.three-column .three-columns,
+body.four-column .four-columns,
+.event-list-item.editing .edit-button,
+.event-list-item[event_state='accepted'] .accept-button,
+.event-list-item[event_state='rejected'] .reject-button,
+.event-list-item.i-am-coordinator .take-button
+{
+    background-image: -webkit-linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+    background-image: linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+}
+
+output {
+  margin-left: 1em;
+}
+
+#event-own-rating,
+.event-ratings {
+  display: none;
+  visibility: hidden;
+}
+
+body.show-ratings .event-ratings,
+.event-list-item.editing #event-own-rating {
+  display: block;
+  visibility: initial;
+}
+
+#event-own-rating textarea {
+  min-width: 10em;
+  max-width: 20em;
+  width: 80%;
+}
+
+.event-meter-bar {
+  box-sizing: initial;
+  display: inline;
+  float: left;
+  width: 65px;
+  vertical-align: top;
+  margin: 0;
+  padding: 0;
+}
+
+.has-own-rating .event-meter-bar {
+  height: 65px;
+}
+.has-own-rating .event-meter-bar:after {
+  color: #ff0000;
+  z-index: 1;
+  content: '✓';
+  font-size: 5em;
+  line-height: 1;
+  text-align: center;
+  position: relative;
+  left: 0; top: -65px;
+  width: 65px;
+  height: 65px;
+  opacity: 0.2;
+}
+
+body.safari meter {
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+}
+
+meter {
+  vertical-align: top;
+  width: 60px;
+  margin-top: 0.3em;
+  border-radius: 3px;
+  height: 8px;
+
+  -moz-appearance: none;
+}
+
+meter::-moz-meter-bar {
+  background: #ddd;
+}
+
+:-moz-meter-optimum::-moz-meter-bar {
+  background: #afa;
+}
+
+meter.meter-4::-moz-meter-bar {
+  background: #fdd;
+}
+
+meter::-webkit-meter-bar {
+  background: #ddd;
+  box-shadow: 0 2px 3px rgba (0, 0, 0, 0.2) inset;
+  border-radius: 3px;
+}
+
+meter.meter-4::-webkit-meter-bar {
+  background: #fdd;
+}
+
+#status {
+  text-align: center;
+  font-size: xx-large;
+  font-weight: bold;
+  margin-top: 0.5em;
+  width: 100%;
+  clear: both;
+}
+
+body.only-lectures .event-list-item:not([event_type="lecture"]),
+body.only-todo .event-list-item.has-own-rating,
+.filtered,
+.hidden {
+  display: none !important;
+  visibility: hidden !important;
+}
diff --git a/static/rater.js b/static/rater.js
new file mode 100644
index 0000000..ec1bcfe
--- /dev/null
+++ b/static/rater.js
@@ -0,0 +1,337 @@
+function changed_name() {
+    var username = localStorage.getItem("c3-rating-user");
+    var newname = document.getElementById('Username').value;
+    document.getElementById('Username').classList.toggle('changed', username != newname);
+}
+
+function changed_filter() {
+    var filtertext = document.getElementById('Filter').value.toLowerCase();
+    if (filtertext == '') {
+        document.querySelectorAll('.event-list-item.filtered').forEach(function(ev) {
+            ev.classList.remove("filtered");
+        });
+        return;
+    }
+
+    if (!window.inner_texts) {
+        window.inner_texts = {};
+        document.querySelectorAll('.event-list-item').forEach(function(ev) {
+            inner_texts[ev.getAttribute('id')] = ev.innerText.toLowerCase();
+        });
+    }
+
+    Object.keys(window.inner_texts).forEach(function (eid) {
+        var elem = document.getElementById(eid);
+        elem.classList.toggle('filtered', window.inner_texts[eid].indexOf(filtertext) < 0);
+    });
+}
+
+function confirm_name() {
+    localStorage.setItem("c3-rating-user", document.getElementById('Username').value);
+    document.getElementById('Username').classList.remove("changed");
+    update_status();
+}
+
+function toggleHidden(name) {
+    document.getElementById(name).classList.toggle("hidden");
+}
+
+function toggleEdit(eid) {
+    var username = document.getElementById('Username').value;
+    if (!username) {
+        alert( "Please set your name before rating.");
+        return;
+    }
+
+    var ev = document.getElementById('event-'+eid);
+    if (ev.classList.contains('editing')) {
+        ev.classList.toggle('editing', false);
+        return;
+    }
+
+    var other_in_edit = document.getElementsByClassName('editing');
+    if (other_in_edit.length)
+        other_in_edit[0].classList.remove('editing');
+
+    ev.classList.toggle('editing', true);
+
+    var own_rating = document.getElementById('event-own-rating');
+    ev.appendChild(own_rating);
+
+    var myrating = document.querySelectorAll('div#event-rating-'+eid+'[submitter="'+username+'"]');
+    var mycomment = '';
+    if (myrating.length) {
+        mycomment = myrating[0].getElementsByClassName('event-rating-comment')[0].innerHTML;
+        myrating[0].querySelectorAll('meter').forEach(function(meter) {
+            var category = meter.getAttribute('category');
+            document.querySelectorAll('#event-own-rating .slider input[category='+category+']')[0].value = meter.value;
+            changeVal('event-'+category+'-output', meter.value);
+        });
+    } else {
+        document.querySelectorAll('#event-own-rating .slider input').forEach(function(sl) {
+            sl.value = 0;
+            var category = sl.getAttribute('category');
+            changeVal('event-'+category+'-output', '0');
+        });
+    }
+    document.getElementById('event-comment').value = mycomment;
+    own_rating.querySelectorAll('button.remove-rating')[0].classList.toggle('hidden', !myrating.length);
+}
+
+function changeVal(el, value) {
+    document.getElementById(el).innerHTML = value.toString() + " %";
+}
+
+function twocol() {
+  document.body.classList.toggle('two-column');
+  document.body.classList.remove('three-column');
+  document.body.classList.remove('four-column');
+}
+function threecol() {
+  document.body.classList.remove('two-column');
+  document.body.classList.toggle('three-column');
+  document.body.classList.remove('four-column');
+}
+function fourcol() {
+  document.body.classList.remove('two-column');
+  document.body.classList.remove('three-column');
+  document.body.classList.toggle('four-column');
+}
+
+function invert_sort() {
+    var evl = document.getElementById('event-list');
+    var nodes = Array.prototype.slice.call(evl.getElementsByClassName('event-list-item')).reverse().forEach(function(el) {
+        evl.appendChild(el);
+   });
+}
+
+function sort_by(order_function) {
+    var evl = document.getElementById('event-list');
+    Array.prototype.slice.call(evl.getElementsByClassName('event-list-item')).sort(order_function).forEach(function(el) {
+        evl.appendChild(el);
+   });
+}
+
+function myrating_count_sort(elem1, elem2) {
+    var username = document.getElementById('Username').value;
+    return elem2.querySelectorAll('.event-rating[submitter="'+username+'"]').length - elem1.querySelectorAll('.event-rating[submitter="'+username+'"]').length;
+}
+
+function random_sort(elem1, elem2) { return !!Math.floor(Math.random() * 2) ? -1 : 1; }
+function rating_count_sort(elem1, elem2) { return elem2.querySelectorAll('.event-rating').length - elem1.querySelectorAll('.event-rating').length; }
+function rating_1_sort(elem1, elem2) { return elem2.getElementsByClassName('meter-0')[0].getAttribute('value') - elem1.getElementsByClassName('meter-0')[0].getAttribute('value'); }
+function rating_2_sort(elem1, elem2) { return elem2.getElementsByClassName('meter-1')[0].getAttribute('value') - elem1.getElementsByClassName('meter-1')[0].getAttribute('value'); }
+function rating_3_sort(elem1, elem2) { return elem2.getElementsByClassName('meter-2')[0].getAttribute('value') - elem1.getElementsByClassName('meter-2')[0].getAttribute('value'); }
+function rating_4_sort(elem1, elem2) { return elem2.getElementsByClassName('meter-3')[0].getAttribute('value') - elem1.getElementsByClassName('meter-3')[0].getAttribute('value'); }
+function rating_5_sort(elem1, elem2) { return elem2.getElementsByClassName('meter-4')[0].getAttribute('value') - elem1.getElementsByClassName('meter-4')[0].getAttribute('value'); }
+function coordinator_sort(elem1, elem2) { return get_coordinator(elem1).localeCompare(get_coordinator(elem2)); }
+function state_sort(elem1, elem2) { return elem2.getAttribute('event_state').localeCompare(elem1.getAttribute('event_state')); }
+
+function get_coordinator(elem) {
+    var coordinator = elem.getElementsByClassName('event-coordinator');
+    if (coordinator.length)
+        return coordinator[0].getAttribute('coordinator');
+    return '';
+}
+
+function do_remove_rating() {
+    if (confirm('are you sure?') == false)
+        return;
+
+    var in_edit = document.getElementsByClassName('editing');
+    if (!in_edit.length)
+        return;
+    var eid = in_edit[0].getAttribute('id').replace(/^event-/, '');
+
+    var xhttp = new XMLHttpRequest();
+    xhttp.open("POST", "api/remove_rating/"+eid, true);
+    xhttp.setRequestHeader("Content-type", "application/json");
+
+    var username = document.getElementById('Username').value;
+
+    xhttp.onreadystatechange = function() {
+        if (xhttp.readyState == XMLHttpRequest.DONE && xhttp.status == 200) {
+            var myrating = document.querySelectorAll('div#event-rating-'+eid+'[submitter="'+username+'"]');
+            if(myrating.length)
+                myrating[0].parentNode.removeChild(myrating[0]);
+            toggleEdit(eid);
+            update_status();
+        }
+    }
+    xhttp.send( JSON.stringify( { 'author': username } ) );
+}
+
+function do_remove_event(eid) {
+    var ev = document.getElementById('event-'+eid);
+    var xhttp = new XMLHttpRequest();
+    xhttp.open("POST", "api/remove_event/"+eid, true);
+    xhttp.setRequestHeader("Content-type", "application/json");
+    xhttp.onreadystatechange = function() {
+        if (xhttp.readyState == XMLHttpRequest.DONE && xhttp.status == 200) {
+            ev.parentNode.removeChild(ev);
+        }
+    }
+    xhttp.send();
+}
+
+function do_rate() {
+    var in_edit = document.getElementsByClassName('editing');
+    if (!in_edit.length)
+        return;
+    var eid = in_edit[0].getAttribute('id').replace(/^event-/, '');
+
+    var username = document.getElementById('Username').value;
+    if (!username) {
+      alert( "Please set your name before rating.");
+      return;
+    }
+
+    var xhttp = new XMLHttpRequest();
+    xhttp.open("POST", "api/add_rating/"+eid, true);
+    xhttp.setRequestHeader("Content-type", "application/json");
+
+    ratings = {};
+    document.getElementById('event-own-rating').querySelectorAll('.category-slider input').forEach(function(ev) {
+        ratings[ev.getAttribute("category")] = ev.value;
+    });
+    var comment = document.getElementById('event-comment').value;
+
+    xhttp.onreadystatechange = function() {
+        if (xhttp.readyState == XMLHttpRequest.DONE && xhttp.status == 200) {
+            var myrating = document.querySelectorAll('div#event-rating-'+eid+'[submitter="'+username+'"]');
+            if (myrating.length) {
+                myrating = myrating[0];
+            } else {
+                myrating = document.getElementById('event-rating-new').cloneNode(true);
+                myrating.setAttribute('id', 'event-rating-'+eid);
+                myrating.classList.remove('hidden');
+                myrating.setAttribute('submitter', username);
+                myrating.getElementsByClassName('event-rating-submitter')[0].innerHTML = username + ':';
+                document.querySelectorAll('#event-'+eid+' .event-ratings')[0].append(myrating);
+            }
+            myrating.getElementsByClassName('event-rating-comment')[0].innerHTML = comment;
+            for (category in ratings) {
+                myrating.querySelectorAll('meter[category='+category+']')[0].value = ratings[category];
+                myrating.querySelectorAll('.event-rating-category-output[category='+category+']')[0].innerHTML = ' ' + categories[category] + ' ' + ratings[category] + ' %';
+            }
+
+            toggleEdit(eid);
+            update_status();
+        }
+    }
+
+    xhttp.send( JSON.stringify( {
+        'author': username,
+        'comment': comment,
+        'ratings': ratings
+    } ) );
+}
+
+function do_set_state(eid, state) {
+    if ( state == document.getElementById('event-'+eid).getAttribute('event_state'))
+        state = '';
+
+    var xhttp = new XMLHttpRequest();
+    xhttp.open("POST", "api/set_event_state/"+eid, true);
+    xhttp.setRequestHeader("Content-type", "application/json");
+    xhttp.onreadystatechange = function() {
+        if (xhttp.readyState == XMLHttpRequest.DONE && xhttp.status == 200) {
+            document.getElementById('event-'+eid).setAttribute('event_state', state);
+            update_status();
+        }
+    }
+    xhttp.send( JSON.stringify( { 'state': state } ) );
+}
+
+function do_take(eid) {
+    var username = document.getElementById('Username').value;
+    if (!username) {
+      alert( "Please set your name before taking an event.");
+      return;
+    }
+
+    var ev = document.getElementById('event-'+eid);
+    if (ev.classList.contains('i-am-coordinator'))
+        username = '';
+
+    var xhttp = new XMLHttpRequest();
+    xhttp.open("POST", "api/set_event_coordinator/"+eid, true);
+    xhttp.setRequestHeader("Content-type", "application/json");
+    xhttp.onreadystatechange = function() {
+        if (xhttp.readyState == XMLHttpRequest.DONE && xhttp.status == 200) {
+            var coor = ev.getElementsByClassName('event-coordinator');
+            if (coor.length) {
+                if (username) {
+                    coor[0].innerHTML = '<em>coordinator: </em> '+username;
+                    coor[0].setAttribute('coordinator', username);
+                } else
+                    coor[0].parentNode.removeChild(coor[0]);
+            } else {
+                if (username) {
+                    var pers = ev.getElementsByClassName('event-persons');
+                    coor = document.createElement('div');
+                    coor.classList.toggle('event-coordinator', true);
+                    coor.setAttribute('coordinator', username);
+                    coor.innerHTML = '<em>coordinator: </em> '+username;
+                    pers[0].insertBefore(coor, pers[0].firstChild);
+                }
+            }
+            update_status();
+        }
+    }
+    xhttp.send( JSON.stringify( { 'coordinator': username } ) );
+}
+
+function update_status() {
+    var accepted_count = document.querySelectorAll('.event-list-item[event_state=accepted]').length;
+    var rejected_count = document.querySelectorAll('.event-list-item[event_state=rejected]').length;
+    var taken_count = document.querySelectorAll('.event-list-item .event-coordinator').length;
+    var total_count = document.getElementsByClassName('event-list-item').length;
+    var total_voted_count = document.querySelectorAll('.event-rating:first-child').length;
+    var username = document.getElementById('Username').value;
+    var own_voted_count = 0;
+    if (username)
+        own_voted_count = document.querySelectorAll('.event-rating[submitter="'+username+'"]').length;
+    document.getElementById('status').innerHTML = total_count + ' events. ' + accepted_count + ' accepted. ' + rejected_count + ' rejected. ' + (total_count - own_voted_count) + ' todo. ' + (total_count - total_voted_count) + ' unvoted. ' + (total_count - taken_count) + ' untaken.';
+
+    /* Do the math */
+    document.querySelectorAll('.event-list-item').forEach(function(ev) {
+        if (username) {
+            ev.classList.toggle('has-own-rating', ev.querySelectorAll('.event-rating[submitter="'+username+'"]').length > 0);
+            ev.classList.toggle('i-am-coordinator', ev.querySelectorAll('.event-coordinator[coordinator="'+username+'"]').length > 0);
+        }
+
+        var counts = {};
+        var meters = ev.querySelectorAll('.event-rating meter');
+
+        if (!meters.length) {
+            ev.querySelectorAll('.top-meter').forEach(function(meter) {
+                meter.setAttribute('value', 0);
+            });
+            return;
+        }
+
+        meters.forEach(function(rat) {
+            var tmp = counts[rat.getAttribute('category')] || 0;
+            counts[rat.getAttribute('category')] = tmp + parseInt(rat.getAttribute('value'));
+        });
+        var total = 0, i = 0, divisor = meters.length / Object.keys(counts).length;
+        for (category in counts) {
+            var dest_meter = ev.getElementsByClassName('meter-'+i)[0];
+            dest_meter.setAttribute('value', counts[category] / divisor);
+            dest_meter.setAttribute('title', category + ': ' + counts[category] / divisor + ' %' );
+            total += counts[category] / divisor;
+            i++;
+        }
+        ev.getElementsByClassName('meter-4')[0].setAttribute('value', total / Object.keys(counts).length);
+    });
+}
+
+document.addEventListener('DOMContentLoaded', function () {
+    var username = localStorage.getItem("c3-rating-user");
+    if (username)
+        document.getElementById('Username').value = username;
+    if (window.safari !== undefined)
+      document.body.classList.add('safari');
+    update_status();
+});
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..13a8aec
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,122 @@
+<html>
+<title>{{ config.get('frab-conference') }} {{ config.get('track') }} rating helper</title>
+<head>
+<script type="text/javascript">categories = {
+  {%- for category in cat -%}
+    'category{{ loop.index }}': '{{ category }}',
+  {%- endfor -%}
+  };
+</script>
+
+<script type=text/javascript src="static/rater.js"></script>
+<link rel="stylesheet" type="text/css" href="static/rater.css">
+</head>
+<body>
+
+<div style="float: left">
+<button class="main-button lectures-button" onclick="document.body.classList.toggle('only-lectures')" title="Show only lectures">lects</button>
+<button class="main-button todo-button" onclick="document.body.classList.toggle('only-todo')" title="Show only my unrated events">todo</button>
+<button class="main-button ratings-button" onclick="document.body.classList.toggle('show-ratings')" title="Show all ratings">rates</button>
+<button class="main-button two-columns" onclick="twocol()" title="Display events in two columns">2col</button>
+<button class="main-button three-columns" onclick="threecol()" title="Display events in three columns">3col</button>
+<button class="main-button four-columns" onclick="fourcol()" title="Display events in four columns">4col</button>
+</div>
+<div style="float: right; margin: 0">
+<button class="main-button" onclick="sort_by(random_sort)" title="Sort events randomly">rand</button>
+<button class="main-button" onclick="sort_by(rating_count_sort)" title="Sort events by amount of ratings">rate count</button>
+<button class="main-button" onclick="sort_by(myrating_count_sort)" title="Sort my rated events first">my rates</button>
+<button class="main-button" onclick="sort_by(coordinator_sort)" title="Sort events by coordinator">coord</button>
+<button class="main-button" onclick="sort_by(rating_1_sort)" title="Sort by meter 1">1</button>
+<button class="main-button" onclick="sort_by(rating_2_sort)" title="Sort by meter 2">2</button>
+<button class="main-button" onclick="sort_by(rating_3_sort)" title="Sort by meter 3">3</button>
+<button class="main-button" onclick="sort_by(rating_4_sort)" title="Sort by meter 4">4</button>
+<button class="main-button" onclick="sort_by(rating_5_sort)" title="Sort by summation meter">∑</button>
+<button class="main-button" onclick="sort_by(state_sort)" title="Sort by event state">state</button>
+<button class="main-button" onclick="invert_sort()" title="Invert sort order">⇅</button>
+</div>
+
+<div style="display: block; margin: 0.5em; height: 1px; clear: both;"></div>
+
+<div class="username-wrapper">
+<input type="text" id="Username" oninput="changed_name()" placeholder="who are you?"><button class="main-button" onclick="confirm_name()" title="Store your username locally">✓</button>
+</div>
+
+<input type="text" id="Filter" oninput="changed_filter()" placeholder="Filter">
+
+<div class="event-rating hidden" id="event-rating-new">
+  <div class="event-rating-submitter"></div>
+  {%- for category in cat -%}
+    <div><meter category="category{{loop.index}}" value="0" min="0" max="100"></meter><span class="event-rating-category-output" category="category{{loop.index}}"> {{ category + " 0 %" }}</span></div>
+  {%- endfor -%}
+  <div class="event-rating-comment"></div>
+</div>
+
+<div id="event-own-rating">
+  <hr/>
+  <div class="label">comment</div><textarea rows="8" id="event-comment"></textarea>
+  {%- for category in cat -%}
+    <div class="category-slider" id="event-category{{loop.index}}-slider">
+      <div class="label">{{category}}:</div>
+      <div class="slider"><input category="category{{loop.index}}" type="range" min="0" max="100" step="5" oninput="changeVal('event-category{{loop.index}}-output', this.value)"></div>
+      <output id="event-category{{loop.index}}-output">0 %</output>
+    </div>
+  {%- endfor -%}
+  <button class="remove-rating hidden" onclick="do_remove_rating()">remove</button>
+  <button onclick="do_rate()">rate</button>
+</div>
+
+<p id='status'>Please wait …</p>
+
+<ul id="event-list">
+{% for ev in events -%}
+  <li class="event-list-item" event_state="{{ev.state}}" event_type="{{ev.event_type}}" id="event-{{ev.frab_id}}">
+    <div class="event-meter-bar">
+    {%- for m in range(1+cat|length) -%}
+      <meter class="top-meter meter-{{m}}" id="event-{{ev.frab_id}}-meter-{{m}}" value="0" min="0" max="100"></meter>
+    {%- endfor -%}
+    </div>
+    {%- if not ev.state == 'gone' -%}
+      <button onclick="do_set_state('{{ev.frab_id}}', 'accepted')" title="accept this event" class="mini-button accept-button">acc</button><button onclick="do_set_state('{{ev.frab_id}}', 'rejected')" title="reject this event" class="mini-button reject-button">rej</button><button onclick="toggleEdit('{{ev.frab_id}}')"  title="edit this event" class="edit-button mini-button">edit</button><button onclick="do_take('{{ev.frab_id}}')" title="make me coordinator for this event" class="mini-button take-button">take</button>
+    {%- else -%}
+      <button onclick="do_remove_event('{{ev.frab_id}}')" title="remove this event" class="mini-button remove-button">del</button>
+    {%- endif -%}
+    <div class="event-title"><a href="{{ config.get('frab-url') }}en/{{ config.get('frab-conference')}}/events/{{ ev.frab_id }}/">{{ ev.title }}</a></div>
+    {%- if ev.subtitle -%}
+    <div class="event-subtitle"> {{ ev.subtitle }}</div>
+    {%- endif -%}
+    <div class="event-persons">
+      {%- if ev.coordinator -%}
+        <div class="event-coordinator" coordinator="{{ev.coordinator}}"><em>coordinator: </em> {{ev.coordinator}}</div>
+      {%- endif -%}
+      <div class="event-speaker"><em>speakers: </em>
+        {%- for speaker_id, speaker_name in json.loads(ev.speakers or '{}').items() -%}
+          <a href="{{ config.get('frab-url') }}en/{{ config.get('frab-conference') }}/people/{{speaker_id}}">{{speaker_name}}</a>&nbsp;
+        {%- endfor -%}
+      </div>
+    </div>
+    <div class="event-abstract" onclick="this.classList.toggle('full')"><em>abstract:</em> {{ ev.abstract }}</div>
+    {%- if ev.description -%}
+    <div class="event-description" onclick="this.classList.toggle('full')"><em>description:</em> {{ ev.description }}</div>
+    {%- endif -%}
+    {%- if ev.notes -%}
+    <div class="event-notes" onclick="this.classList.toggle('full')"><em>notes:</em> {{ ev.notes }}</div>
+    {%- endif -%}
+    <div class="event-ratings">
+      {%- for rating in ev.ratings -%}
+        <div class="event-rating" id="event-rating-{{ev.frab_id}}" submitter="{{rating.submitter}}">
+          <div class="event-rating-submitter">{{rating.submitter}}:</div>
+          {%- for category, value in json.loads(rating.rating_dict or '{}').items()|sort -%}
+              <div><meter category="{{category}}" value="{{value}}" min="0" max="100"></meter><span class="event-rating-category-output" category="{{category}}"> {{ cat[loop.index-1] + " " + value|string + " %" }}</span></div>
+          {%- endfor -%}
+          <div class="event-rating-comment">{{rating.comment}}</div>
+        </div>
+      {%- endfor -%}
+    </div>
+  </li>
+{%- else %}
+  <em>No events imported yet</em>
+{%- endfor %}
+<ul>
+
+<body>
+</html>