def event_date_processor():
def suffix(d):
return ("th" if 11 <= d <= 13 else {
1: "st",
2: "nd",
3: "rd"
}.get(d % 10, "th"))
s = event_start()
e = event_end()
assert s.year == e.year
if s.month == e.month:
fancy_dates = f"""{s.strftime('%B')}<span style="white-space: nowrap">
{s.day}<sup>{suffix(s.day)}</sup>–{e.day}<sup>{suffix(e.day)}</sup>
{s.year}
</span>"""
simple_dates = f"{s.day}–{e.day} {s.strftime('%B')}"
else:
fancy_dates = f"""{s.strftime("%B")}
{s.day}<sup>{suffix(s.day)}</sup>–{e.strftime("%B")}
{e.day}<sup>{suffix(e.day)}</sup>"""
simple_dates = (
f"""{s.day} {s.strftime("%B")}–{e.day} {e.strftime("%B")}"""
)
return {
"fancy_dates": Markup(fancy_dates),
"simple_dates": Markup(simple_dates),
"event_start": s,
"event_end": e,
"event_year": s.year,
}
def get_days_with_slots(cls, now=None):
remaining_slots = cls.get_remaining_lightning_slots()
now = datetime.now() if now is None else now
# If we're before the event start we don't need to worry
if now < event_start():
return remaining_slots
# If the day has passed (or is today) there're no more slots for it
for (day_name, date) in get_days_map().items():
if date.date() <= now.date():
remaining_slots[day_name] = 0
return remaining_slots
def generate_departure_options():
choices = []
# Work out our last arrival based on config
last_departure = event_end() + timedelta(app.config["DEPARTURE_DAYS"])
# Work out dates between start of the event and last departure
choices = generate_day_options(event_start(), last_departure)
# Replace last array element with the last date and 'or later'
choices[len(choices) - 1] = (
last_departure.strftime("%F"),
last_departure.strftime("%A %-d %B or later"),
)
return choices
def generate_arrival_options():
choices = []
# Work out our first arrival based on config
first_arrival = event_start() - timedelta(app.config["ARRIVAL_DAYS"])
# Work out dates between first arrival and end of the event
choices = generate_day_options(first_arrival, event_end())
# Replace first array element with first date and 'or earlier'
choices[0] = (
first_arrival.strftime("%F"),
first_arrival.strftime("%A %-d %B or earlier"),
)
return choices
def make_root():
root = etree.Element("schedule")
_add_sub_with_text(root, "version", "1.0-public")
conference = etree.SubElement(root, "conference")
_add_sub_with_text(conference, "title",
"Electromagnetic Field {}".format(event_year()))
_add_sub_with_text(conference, "acronym", "emf{}".format(event_year()))
_add_sub_with_text(conference, "start", event_start().strftime("%Y-%m-%d"))
_add_sub_with_text(conference, "end", event_end().strftime("%Y-%m-%d"))
_add_sub_with_text(conference, "days", "3")
_add_sub_with_text(conference, "timeslot_duration", "00:10")
return root
def sign_up():
form = VolunteerSignUpForm()
form.arrival.choices = generate_arrival_options()
form.departure.choices = generate_departure_options()
if current_user.is_authenticated and VolunteerUser.get_for_user(
current_user):
return redirect(url_for(".account"))
if request.method != "POST" and current_user.is_authenticated:
form.volunteer_email.data = current_user.email
form.nickname.data = current_user.name
form.volunteer_phone.data = current_user.phone
# Can't try to process age, as that's only submitted as part of the outreach questions
if form.validate_on_submit():
if current_user.is_anonymous:
create_current_user(form.volunteer_email.data, form.nickname.data)
new_volunteer = VolunteerUser()
new_volunteer.user_id = current_user.id
new_volunteer = update_volunteer_from_form(new_volunteer, form)
db.session.add(new_volunteer)
# On sign up give user 'volunteer' permission (+ managers etc.)
current_user.grant_permission("volunteer:user")
db.session.commit()
app.logger.info("Add volunteer: %s", new_volunteer)
flash("Thank you for signing up!", "message")
return redirect(url_for(".choose_role"))
# Set form default arrival and departure dates to be start and end
form.arrival.data = event_start().strftime("%F")
form.departure.data = event_end().strftime("%F")
return render_template("volunteer/sign-up.html",
user=current_user,
form=form)
def refresh(self):
request = requests.get(self.url)
cal = Calendar.from_ical(request.text)
if self.name is None:
self.name = cal.get("X-WR-CALNAME")
for event in self.events:
event.displayed = False
local_tz = pendulum.timezone("Europe/London")
alerts = []
uids_seen = set()
out_of_range_event = False
for component in cal.walk():
if component.name == "VEVENT":
summary = component.get("Summary")
# postgres converts to UTC if given an aware datetime, so strip it up front
start_dt = pendulum.instance(component.get("dtstart").dt)
start_dt = local_tz.convert(start_dt).naive()
end_dt = pendulum.instance(component.get("dtend").dt)
end_dt = local_tz.convert(end_dt).naive()
name = summary
if summary and start_dt:
name = "'{}' at {}".format(summary, start_dt)
elif summary:
name = "'{}'".format(summary)
elif start_dt:
name = "Event at {}".format(start_dt)
else:
name = len(self.events) + 1
if not component.get("uid"):
alerts.append(("danger", "{} has no UID".format(name)))
continue
uid = str(component["uid"])
if uid in uids_seen:
alerts.append(
("danger", "{} has duplicate UID {}".format(name, uid))
)
continue
uids_seen.add(uid)
if "rrule" in component:
alerts.append(
("warning", "{} has rrule, which is not processed".format(uid))
)
# Allow a bit of slop for build-up events
if (
start_dt < event_start() - pendulum.duration(days=2)
and not out_of_range_event
):
alerts.append(
(
"warning",
"At least one event ({}) is before the start of the event".format(
uid
),
)
)
out_of_range_event = True
if (
end_dt > event_end() + pendulum.duration(days=1)
and not out_of_range_event
):
alerts.append(
(
"warning",
"At least one event ({}) is after the end of the event".format(
uid
),
)
)
out_of_range_event = True
if start_dt > end_dt:
alerts.append(
(
"danger",
"Start time for {} is after its end time".format(uid),
)
)
out_of_range_event = True
try:
event = CalendarEvent.query.filter_by(
source_id=self.id, uid=uid
).one()
except NoResultFound:
event = CalendarEvent(uid=uid)
self.events.append(event)
if len(self.events) > 1000:
raise Exception("Too many events in feed")
event.start_dt = start_dt
event.end_dt = end_dt
event.summary = component.get("summary")
event.description = component.get("description")
event.location = component.get("location")
event.displayed = True
self.refreshed_at = pendulum.now()
return alerts
def get_days_map():
event_days = [
datetime.combine(event_start() + timedelta(days=day_idx), time.min)
for day_idx in range((event_end() - event_start()).days + 1)
]
return {ed.strftime("%a").lower(): ed for ed in event_days}
