moviewyrm/bookwyrm/views/user.py

195 lines
6.4 KiB
Python

''' non-interactive pages '''
from io import BytesIO
from uuid import uuid4
from PIL import Image
from django.contrib.auth.decorators import login_required
from django.core.files.base import ContentFile
from django.core.paginator import Paginator
from django.http import HttpResponseNotFound
from django.shortcuts import redirect
from django.template.response import TemplateResponse
from django.utils import timezone
from django.utils.decorators import method_decorator
from django.views import View
from bookwyrm import forms, models
from bookwyrm.activitypub import ActivitypubResponse
from bookwyrm.settings import PAGE_LENGTH
from .helpers import get_activity_feed, get_user_from_username, is_api_request
from .helpers import is_blocked, object_visible_to_user
# pylint: disable= no-self-use
class User(View):
''' user profile page '''
def get(self, request, username):
''' profile page for a user '''
try:
user = get_user_from_username(request.user, username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
# make sure we're not blocked
if is_blocked(request.user, user):
return HttpResponseNotFound()
if is_api_request(request):
# we have a json request
return ActivitypubResponse(user.to_activity())
# otherwise we're at a UI view
try:
page = int(request.GET.get('page', 1))
except ValueError:
page = 1
shelf_preview = []
# only show other shelves that should be visible
shelves = user.shelf_set
is_self = request.user.id == user.id
if not is_self:
follower = user.followers.filter(id=request.user.id).exists()
if follower:
shelves = shelves.filter(privacy__in=['public', 'followers'])
else:
shelves = shelves.filter(privacy='public')
for user_shelf in shelves.all():
if not user_shelf.books.count():
continue
shelf_preview.append({
'name': user_shelf.name,
'local_path': user_shelf.local_path,
'books': user_shelf.books.all()[:3],
'size': user_shelf.books.count(),
})
if len(shelf_preview) > 2:
break
# user's posts
activities = get_activity_feed(
request.user,
queryset=user.status_set.select_subclasses(),
)
paginated = Paginator(activities, PAGE_LENGTH)
goal = models.AnnualGoal.objects.filter(
user=user, year=timezone.now().year).first()
if not object_visible_to_user(request.user, goal):
goal = None
data = {
'user': user,
'is_self': is_self,
'shelves': shelf_preview,
'shelf_count': shelves.count(),
'activities': paginated.page(page),
'goal': goal,
}
return TemplateResponse(request, 'user/user.html', data)
class Followers(View):
''' list of followers view '''
def get(self, request, username):
''' list of followers '''
try:
user = get_user_from_username(request.user, username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
# make sure we're not blocked
if is_blocked(request.user, user):
return HttpResponseNotFound()
if is_api_request(request):
return ActivitypubResponse(
user.to_followers_activity(**request.GET))
data = {
'user': user,
'is_self': request.user.id == user.id,
'followers': user.followers.all(),
}
return TemplateResponse(request, 'user/followers.html', data)
class Following(View):
''' list of following view '''
def get(self, request, username):
''' list of followers '''
try:
user = get_user_from_username(request.user, username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
# make sure we're not blocked
if is_blocked(request.user, user):
return HttpResponseNotFound()
if is_api_request(request):
return ActivitypubResponse(
user.to_following_activity(**request.GET))
data = {
'user': user,
'is_self': request.user.id == user.id,
'following': user.following.all(),
}
return TemplateResponse(request, 'user/following.html', data)
@method_decorator(login_required, name='dispatch')
class EditUser(View):
''' edit user view '''
def get(self, request):
''' edit profile page for a user '''
data = {
'form': forms.EditUserForm(instance=request.user),
'user': request.user,
}
return TemplateResponse(request, 'preferences/edit_user.html', data)
def post(self, request):
''' les get fancy with images '''
form = forms.EditUserForm(
request.POST, request.FILES, instance=request.user)
if not form.is_valid():
data = {'form': form, 'user': request.user}
return TemplateResponse(request, 'preferences/edit_user.html', data)
user = form.save(commit=False)
if 'avatar' in form.files:
# crop and resize avatar upload
image = Image.open(form.files['avatar'])
image = crop_avatar(image)
# set the name to a hash
extension = form.files['avatar'].name.split('.')[-1]
filename = '%s.%s' % (uuid4(), extension)
user.avatar.save(filename, image)
user.save()
return redirect(user.local_path)
def crop_avatar(image):
''' reduce the size and make an avatar square '''
target_size = 120
width, height = image.size
thumbnail_scale = height / (width / target_size) if height > width \
else width / (height / target_size)
image.thumbnail([thumbnail_scale, thumbnail_scale])
width, height = image.size
width_diff = width - target_size
height_diff = height - target_size
cropped = image.crop((
int(width_diff / 2),
int(height_diff / 2),
int(width - (width_diff / 2)),
int(height - (height_diff / 2))
))
output = BytesIO()
cropped.save(output, format=image.format)
return ContentFile(output.getvalue())