import calendar
import logging
from datetime import datetime, timedelta
from dateutil.relativedelta import relativedelta
from django.conf import settings
from django.contrib import messages
from django.contrib.auth.decorators import login_required, user_passes_test
from django.core.cache import cache
from django.http import HttpResponse
from django.shortcuts import get_object_or_404, redirect, render
from django.urls import reverse
from django.utils import timezone
from django.views.decorators.clickjacking import xframe_options_exempt
from ..auth.decorators import deny_restricted
from .forms import DayForm, DayTypeForm
from .models import Block, Day, DayType, Time
logger = logging.getLogger(__name__)
schedule_admin_required = user_passes_test(lambda u: not u.is_anonymous and u.has_admin_permission("schedule"))
[docs]def decode_date(date):
try:
d = datetime.strptime(date, "%Y-%m-%d")
except ValueError:
return None
return d
[docs]def is_weekday(date):
return date.isoweekday() in range(1, 6)
[docs]def schedule_context(request=None, date=None, use_cache=True, show_tomorrow=True):
monday = 1
friday = 5
if request and "date" in request.GET:
date = decode_date(request.GET["date"])
if date is None:
date = timezone.localtime()
if is_weekday(date) and date.hour > 17 and show_tomorrow:
delta = 3 if date.isoweekday() == friday else 1
date += timedelta(days=delta)
else:
while not is_weekday(date):
date += timedelta(days=1)
date_fmt = date_format(date)
key = "bell_schedule:{}".format(date_fmt)
cached = cache.get(key)
if cached and use_cache:
return cached
else:
try:
dayobj = Day.objects.select_related("day_type").get(date=date)
comment = dayobj.comment
except Day.DoesNotExist:
dayobj = None
comment = None
if dayobj is not None:
blocks = dayobj.day_type.blocks.select_related("start", "end").order_by("start__hour", "start__minute")
else:
blocks = []
try:
delta = 3 if date.isoweekday() == friday else 1
date_tomorrow = date_format(date + timedelta(days=delta))
date_today = date_format(date)
delta = -3 if date.isoweekday() == monday else -1
date_yesterday = date_format(date + timedelta(days=delta))
except OverflowError:
date_tomorrow = None
date_yesterday = None
date_today = None
schedule_tomorrow = None
if request and request.user.is_authenticated and request.user.is_eighth_admin:
try:
schedule_tomorrow = Day.objects.select_related("day_type").get(date=date_tomorrow)
if not schedule_tomorrow.day_type:
schedule_tomorrow = False
except Day.DoesNotExist:
schedule_tomorrow = False
else:
schedule_tomorrow = None
data = {
"sched_ctx": {
"dayobj": dayobj,
"blocks": blocks,
"date": date,
"is_weekday": is_weekday(date),
"date_tomorrow": date_tomorrow,
"date_today": date_today,
"date_yesterday": date_yesterday,
"schedule_tomorrow": schedule_tomorrow,
"comment": comment,
}
}
cache.set(key, data, timeout=settings.CACHE_AGE["bell_schedule"])
return data
# does NOT require login
[docs]def schedule_view(request):
data = schedule_context(request)
return render(request, "schedule/view.html", data)
# does NOT require login
[docs]def week_data(request, date=None):
if request:
given_date = schedule_context(request)["sched_ctx"]["date"]
if given_date.isoweekday() not in range(1, 6):
start_date = given_date + timedelta(days=-given_date.weekday(), weeks=1)
else:
start_date = given_date - timedelta(days=given_date.weekday())
else:
given_date = date
if given_date.isoweekday() not in range(1, 6):
start_date = given_date + timedelta(days=-given_date.weekday(), weeks=1)
else:
start_date = given_date - timedelta(days=given_date.weekday())
days = []
for i in range(5):
new_date = start_date + timedelta(days=i)
days.append(schedule_context(date=new_date))
next_week = days[-1]["sched_ctx"]["date_tomorrow"]
last_week = date_format(days[0]["sched_ctx"]["date"] - timedelta(days=7))
today = date_format(timezone.localtime())
data = {"days": days, "next_week": next_week, "last_week": last_week, "today": today}
return data
[docs]def month_data(request):
if request and "date" in request.GET:
first_date = decode_date(request.GET["date"]) + relativedelta(day=1)
else:
first_date = timezone.now() + relativedelta(day=1)
week1 = week_data(None, first_date)
week2 = week_data(None, decode_date(week1["next_week"]))
week3 = week_data(None, decode_date(week2["next_week"]))
week4 = week_data(None, decode_date(week3["next_week"]))
week5 = week_data(None, decode_date(week4["next_week"]))
month = first_date.strftime("%B")
one_month = relativedelta(months=1)
next_month = date_format(first_date + one_month)
last_month = date_format(first_date - one_month)
data = {"weeks": [week1, week2, week3, week4, week5], "next_month": next_month, "last_month": last_month, "current_month": month}
return data
[docs]@login_required
def calendar_view(request):
data = {}
data["week_data"] = week_data(request)
data["month_data"] = month_data(request)
if "view" in request.GET and request.GET["view"] == "month":
data["view"] = "month"
else:
data["view"] = "week"
return render(request, "schedule/calendar.html", data)
# does NOT require login
[docs]@xframe_options_exempt
def schedule_embed(request):
data = schedule_context(request)
return render(request, "schedule/embed.html", data)
# DOES require login
[docs]def get_day_data(firstday, daynum):
if daynum == 0:
return {"empty": True}
date = firstday + timedelta(days=daynum - 1)
data = {"day": daynum, "formatted_date": date_format(date), "date": date}
try:
dayobj = Day.objects.get(date=date)
data["schedule"] = dayobj.day_type
data["dayobj"] = dayobj
except Day.DoesNotExist:
data["schedule"] = None
data["dayobj"] = None
return data
@schedule_admin_required
@deny_restricted
def do_default_fill(request):
"""Change all Mondays to 'Anchor Day' Change all Tuesday/Thursdays to 'Blue Day' Change all
Wednesday/Fridays to 'Red Day'."""
monday = 0
tuesday = 1
wednesday = 2
thursday = 3
friday = 4
try:
anchor_day = DayType.objects.get(name="Anchor Day")
blue_day = DayType.objects.get(name="Blue Day")
red_day = DayType.objects.get(name="Red Day")
except DayType.DoesNotExist:
return render(
request,
"schedule/fill.html",
{"msgs": ["Failed to insert any schedules.", "Make sure you have DayTypes defined for Anchor Days, Blue Days, and Red Days."]},
)
daymap = {monday: anchor_day, tuesday: blue_day, wednesday: red_day, thursday: blue_day, friday: red_day}
msgs = []
month = request.POST.get("month")
firstday = datetime.strptime(month, "%Y-%m")
yr, mn = month.split("-")
cal = calendar.monthcalendar(int(yr), int(mn))
for w in cal:
for d in w:
day = get_day_data(firstday, d)
if "empty" in day:
continue
if "schedule" not in day or day["schedule"] is None:
day_of_week = day["date"].weekday()
if day_of_week in daymap:
type_obj = daymap[day_of_week]
day_obj = Day.objects.create(date=day["formatted_date"], day_type=type_obj)
msg = "{} is now a {}".format(day["formatted_date"], day_obj.day_type)
msgs.append(msg)
return render(request, "schedule/fill.html", {"msgs": msgs})
[docs]def delete_cache():
cache.delete_pattern("bell_schedule:*")
logger.debug("Deleted bell schedule cache.")
@schedule_admin_required
@deny_restricted
def admin_home_view(request):
if "default_fill" in request.POST:
return do_default_fill(request)
if "delete_cache" in request.POST:
delete_cache()
messages.success(request, "Deleted schedule cache manually")
return redirect("schedule_admin")
if "month" in request.GET:
month = request.GET.get("month")
elif "schedule_month" in request.session:
month = request.session["schedule_month"]
else:
month = timezone.localtime().strftime("%Y-%m")
request.session["schedule_month"] = month
firstday = datetime.strptime(month, "%Y-%m")
month_name = firstday.strftime("%B")
year_name = firstday.strftime("%Y")
yr, mn = month.split("-")
cal = calendar.monthcalendar(int(yr), int(mn))
sch = []
for w in cal:
week = []
for d in w:
week.append(get_day_data(firstday, d))
sch.append(week)
add_form = DayForm()
this_month = firstday.strftime("%Y-%m")
next_month = (firstday + timedelta(days=31)).strftime("%Y-%m")
last_month = (firstday + timedelta(days=-31)).strftime("%Y-%m")
daytypes = DayType.objects.all()
data = {
"month_name": month_name,
"year_name": year_name,
"sch": sch,
"add_form": add_form,
"this_month": this_month,
"next_month": next_month,
"last_month": last_month,
"daytypes": daytypes,
}
return render(request, "schedule/admin_home.html", data)
@schedule_admin_required
@deny_restricted
def admin_add_view(request):
if request.method == "POST":
delete_cache()
date = request.POST.get("date")
day = Day.objects.filter(date=date)
if len(day) <= 1:
day.delete()
form = DayForm(request.POST)
if form.is_valid():
form.save()
messages.success(request, "{} is now a {}".format(date, form.cleaned_data["day_type"]))
return redirect("schedule_admin")
else:
messages.success(request, "{} has no schedule assigned".format(date))
return redirect("schedule_admin")
else:
form = DayForm()
context = {"form": form}
return render(request, "schedule/admin_add.html", context)
@schedule_admin_required
@deny_restricted
def admin_comment_view(request):
date = request.GET.get("date")
if request.method == "POST" and "comment" in request.POST:
delete_cache()
date = request.POST.get("date")
comment = request.POST.get("comment")
day, _ = Day.objects.get_or_create(date=date)
day.comment = comment
day.save()
return redirect("schedule_admin")
else:
try:
day = Day.objects.get(date=date)
comment = day.comment
except Day.DoesNotExist:
day = None
comment = None
context = {"day": day, "date": date, "comment": comment}
return render(request, "schedule/admin_comment.html", context)
@schedule_admin_required
@deny_restricted
def admin_daytype_view(request, daytype_id=None):
if request.method == "POST":
delete_cache()
if "id" in request.POST:
daytype_id = request.POST["id"]
if "make_copy" in request.POST:
daytype = get_object_or_404(DayType, id=daytype_id)
blocks = daytype.blocks.all()
daytype.pk = None
daytype.name += " (Copy)"
daytype.save()
for blk in blocks:
daytype.blocks.add(blk)
daytype.save()
if "return_url" in request.POST:
return HttpResponse(reverse("schedule_daytype", args=[daytype.id]))
return redirect("schedule_daytype", daytype.id)
if "delete" in request.POST:
daytype = get_object_or_404(DayType, id=daytype_id)
name = "{}".format(daytype)
daytype.delete()
messages.success(request, "Deleted {}".format(name))
return redirect("schedule_admin")
if daytype_id:
daytype = get_object_or_404(DayType, id=daytype_id)
form = DayTypeForm(request.POST, instance=daytype)
else:
daytype = None
form = DayTypeForm(request.POST)
if form.is_valid():
model = form.save()
"""Add blocks"""
blocks = zip(
request.POST.getlist("block_order"),
request.POST.getlist("block_name"),
[[int(j) if j else 0 for j in i.split(":")] if ":" in i else [9, 0] for i in request.POST.getlist("block_start")],
[[int(j) if j else 0 for j in i.split(":")] if ":" in i else [10, 0] for i in request.POST.getlist("block_end")],
)
model.blocks.all().delete()
for blk in blocks:
start, _ = Time.objects.get_or_create(hour=blk[2][0], minute=blk[2][1])
end, _ = Time.objects.get_or_create(hour=blk[3][0], minute=blk[3][1])
bobj, _ = Block.objects.get_or_create(order=blk[0], name=blk[1], start=start, end=end)
model.blocks.add(bobj)
model.save()
if "assign_date" in request.POST:
assign_date = request.POST.get("assign_date")
try:
dayobj = Day.objects.get(date=assign_date)
except Day.DoesNotExist:
dayobj = Day.objects.create(date=assign_date, day_type=model)
else:
dayobj.day_type = model
dayobj.save()
messages.success(request, "{} is now a {}".format(dayobj.date, dayobj.day_type))
messages.success(request, "Successfully {} Day Type.".format("modified" if daytype_id else "added"))
return redirect("schedule_daytype", model.id)
else:
messages.error(request, "Error adding Day Type")
elif daytype_id:
daytype = get_object_or_404(DayType, id=daytype_id)
form = DayTypeForm(instance=daytype)
else:
daytype = None
form = DayTypeForm()
context = {"form": form, "action": "add", "daytype": daytype}
if "assign_date" in request.GET:
context["assign_date"] = request.GET.get("assign_date")
return render(request, "schedule/admin_daytype.html", context)