intranet/apps/users/views.py
# pylint: disable=consider-using-with
import io
import logging
import os
from django.conf import settings
from django.contrib.auth import get_user_model
from django.contrib.auth.decorators import login_required
from django.core.exceptions import MultipleObjectsReturned
from django.http import Http404, HttpResponse
from django.shortcuts import get_object_or_404, redirect, render
from django.utils import timezone
from ..auth.decorators import deny_restricted
from ..eighth.models import EighthBlock, EighthScheduledActivity, EighthSignup, EighthSponsor
from ..eighth.utils import get_start_date
from .models import Course, Grade, Section
logger = logging.getLogger(__name__)
@login_required
def profile_view(request, user_id=None):
"""Displays a view of a user's profile.
Args:
user_id
The ID of the user whose profile is being viewed. If not
specified, show the user's own profile.
"""
if request.user.is_eighthoffice and "full" not in request.GET and user_id is not None:
return redirect("eighth_profile", user_id=user_id)
if user_id is not None:
if request.user.is_restricted and user_id != request.user.id:
return render(request, "error/403.html", {"reason": "You do not have permission to view this page."}, status=403)
profile_user = get_object_or_404(get_user_model(), id=user_id)
else:
profile_user = request.user
num_blocks = 6
eighth_schedule = []
#######
blocks = []
if settings.ENABLE_HYBRID_EIGHTH and not request.user.is_eighth_admin:
now = timezone.localtime()
if now.hour < 17:
now = now.replace(hour=0, minute=0, second=0, microsecond=0)
blocks = (
EighthBlock.objects.exclude(
eighthscheduledactivity__in=EighthScheduledActivity.objects.filter(activity__name="z - Hybrid Sticky", members__in=[request.user])
)
.order_by("date", "block_letter")
.filter(date__gte=now)[:num_blocks]
)
else:
#######
start_block = EighthBlock.objects.get_first_upcoming_block()
if start_block:
blocks = [start_block] + list(start_block.next_blocks(num_blocks - 1))
for block in blocks:
sch = {"block": block}
try:
sch["signup"] = EighthSignup.objects.get(scheduled_activity__block=block, user=profile_user)
except EighthSignup.DoesNotExist:
sch["signup"] = None
except MultipleObjectsReturned:
# TODO: Capture exception
sch["signup"] = None
eighth_schedule.append(sch)
if profile_user.is_eighth_sponsor:
sponsor = EighthSponsor.objects.get(user=profile_user)
start_date = get_start_date(request)
eighth_sponsor_schedule = (
EighthScheduledActivity.objects.for_sponsor(sponsor).filter(block__date__gte=start_date).order_by("block__date", "block__block_letter")
)
eighth_sponsor_schedule = eighth_sponsor_schedule[:10]
else:
eighth_sponsor_schedule = None
admin_or_teacher = request.user.is_eighth_admin or request.user.is_teacher
can_view_eighth = profile_user.can_view_eighth or request.user == profile_user
eighth_restricted_msg = not can_view_eighth and admin_or_teacher
if not can_view_eighth and not request.user.is_eighth_admin and not request.user.is_teacher:
eighth_schedule = []
has_been_nominated = (
profile_user == request.user and request.user.nomination_votes.filter(position__position_name=settings.NOMINATION_POSITION).exists()
)
context = {
"profile_user": profile_user,
"eighth_schedule": eighth_schedule,
"can_view_eighth": can_view_eighth,
"eighth_restricted_msg": eighth_restricted_msg,
"eighth_sponsor_schedule": eighth_sponsor_schedule,
"nominations_active": settings.NOMINATIONS_ACTIVE,
"nomination_position": settings.NOMINATION_POSITION,
"has_been_nominated": has_been_nominated,
}
return render(request, "users/profile.html", context)
@login_required
def picture_view(request, user_id, year=None):
"""Displays a view of a user's picture.
Args:
user_id (str): The ID of the user whose picture is being fetched.
year (str): The user's picture from this year is fetched. If not
specified, use the preferred picture.
"""
user = get_object_or_404(get_user_model(), id=user_id)
default_image_path = os.path.join(settings.PROJECT_ROOT, "static/img/default_profile_pic.png")
image_buffer = None
img = None
if year is None:
preferred = user.preferred_photo
if preferred is None:
data = user.default_photo
else:
data = preferred.binary
else:
grade_number = Grade.number_from_name(year)
if user.photos.filter(grade_number=grade_number).exists():
data = user.photos.filter(grade_number=grade_number).first().binary
else:
data = None
if data is None:
img = io.open(default_image_path, mode="rb").read()
else:
image_buffer = io.BytesIO(data)
response = HttpResponse(content_type="image/jpeg")
response["Content-Disposition"] = "filename={}_{}.jpg".format(user_id, year or preferred)
if img is None:
try:
img = image_buffer.read()
except UnicodeDecodeError:
img = io.open(default_image_path, mode="rb").read()
image_buffer.close()
response.write(img)
return response
@login_required
@deny_restricted
def all_courses_view(request):
context = {"courses": Course.objects.all().distinct()}
return render(request, "users/all_courses.html", context)
@login_required
@deny_restricted
def courses_by_period_view(request, period_number):
context = {"courses": Course.objects.filter(sections__period=period_number).distinct()}
return render(request, "users/all_courses.html", context)
@login_required
@deny_restricted
def course_info_view(request, course_id):
course = get_object_or_404(Course, course_id=course_id)
context = {"course": course}
return render(request, "users/all_classes.html", context)
@login_required
@deny_restricted
def sections_by_room_view(request, room_number):
sections = Section.objects.filter(room=room_number).order_by("period")
if not sections.exists():
raise Http404
context = {"room_number": room_number, "classes": sections}
return render(request, "users/class_room.html", context)
@login_required
@deny_restricted
def section_view(request, section_id):
section = get_object_or_404(Section, section_id=section_id)
context = {"class": section}
return render(request, "users/class.html", context)