bookwyrm/fedireads/views.py
2020-03-13 17:57:36 -07:00

417 lines
12 KiB
Python

''' views for pages you can go to in the application '''
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.decorators import login_required
from django.db.models import Avg, Q
from django.http import HttpResponseBadRequest, HttpResponseNotFound, \
JsonResponse
from django.shortcuts import redirect
from django.template.response import TemplateResponse
from django.views.decorators.csrf import csrf_exempt
from fedireads import activitypub
from fedireads import forms, models, books_manager
from fedireads.settings import DOMAIN
def get_user_from_username(username):
''' helper function to resolve a localname or a username to a user '''
try:
user = models.User.objects.get(localname=username)
except models.User.DoesNotExist:
user = models.User.objects.get(username=username)
return user
def is_api_request(request):
''' check whether a request is asking for html or data '''
# TODO: this should probably be the full content type? maybe?
return 'json' in request.headers.get('Accept') or \
request.path[-5:] == '.json'
@login_required
def home(request):
''' this is the same as the feed on the home tab '''
return home_tab(request, 'home')
@login_required
def home_tab(request, tab):
''' user's homepage with activity feed '''
shelves = []
for identifier in ['reading', 'to-read']:
shelf = models.Shelf.objects.get(
user=request.user,
identifier=identifier,
)
if not shelf.books.count():
continue
shelves.append({
'name': shelf.name,
'identifier': shelf.identifier,
'books': shelf.books.all()[:3],
'size': shelf.books.count(),
})
# allows us to check if a user has shelved a book
user_books = models.Book.objects.filter(shelves__user=request.user).all()
# books new to the instance, for discovery
recent_books = models.Book.objects.order_by(
'-created_date'
)[:5]
# status updates for your follow network
following = models.User.objects.filter(
Q(followers=request.user) | Q(id=request.user.id)
)
activities = models.Status.objects.order_by(
'-created_date'
).select_subclasses()
if tab == 'home':
# people you follow and direct mentions
activities = activities.filter(
Q(user__in=following, privacy='public') | \
Q(mention_users=request.user)
)
elif tab == 'local':
# everyone on this instance
activities = activities.filter(user__local=True, privacy='public')
else:
# all activities from everyone you federate with
activities = activities.filter(privacy='public')
activities = activities[:10]
data = {
'user': request.user,
'shelves': shelves,
'recent_books': recent_books,
'user_books': user_books,
'activities': activities,
'feed_tabs': ['home', 'local', 'federated'],
'active_tab': tab,
}
return TemplateResponse(request, 'feed.html', data)
def user_login(request):
''' authentication '''
# send user to the login page
if request.method == 'GET':
form = forms.LoginForm()
return TemplateResponse(request, 'login.html', {'login_form': form})
# authenticate user
form = forms.LoginForm(request.POST)
if not form.is_valid():
return TemplateResponse(request, 'login.html', {'login_form': form})
username = form.data['username']
username = '%s@%s' % (username, DOMAIN)
password = form.data['password']
user = authenticate(request, username=username, password=password)
if user is not None:
login(request, user)
return redirect(request.GET.get('next', '/'))
return TemplateResponse(request, 'login.html', {'login_form': form})
@login_required
def user_logout(request):
''' done with this place! outa here! '''
logout(request)
return redirect('/')
def register(request):
''' join the server '''
if request.method == 'GET':
form = forms.RegisterForm()
return TemplateResponse(
request,
'register.html',
{'register_form': form}
)
form = forms.RegisterForm(request.POST)
if not form.is_valid():
return redirect('/register/')
username = form.data['username']
email = form.data['email']
password = form.data['password']
user = models.User.objects.create_user(username, email, password)
login(request, user)
return redirect('/')
@login_required
def notifications_page(request):
''' list notitications '''
notifications = request.user.notification_set.all() \
.order_by('-created_date')
unread = [n.id for n in notifications.filter(read=False)]
data = {
'notifications': notifications,
'unread': unread,
}
notifications.update(read=True)
return TemplateResponse(request, 'notifications.html', data)
@csrf_exempt
def user_page(request, username):
''' profile page for a user '''
try:
user = get_user_from_username(username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
if is_api_request(request):
# we have a json request
return JsonResponse(activitypub.get_actor(user))
# otherwise we're at a UI view
# TODO: change display with privacy and authentication considerations
shelves = models.Shelf.objects.filter(user=user)
ratings = {r.book.id: r.rating for r in \
models.Review.objects.filter(user=user, book__shelves__user=user)}
data = {
'user': user,
'shelves': shelves,
'ratings': ratings,
'is_self': request.user.id == user.id,
}
return TemplateResponse(request, 'user.html', data)
@csrf_exempt
def followers_page(request, username):
''' list of followers '''
if request.method != 'GET':
return HttpResponseBadRequest()
try:
user = get_user_from_username(username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
if is_api_request(request):
user = models.User.objects.get(localname=username)
followers = user.followers
page = request.GET.get('page')
return JsonResponse(activitypub.get_followers(user, page, followers))
return redirect('/user/' + username)
@csrf_exempt
def following_page(request, username):
''' list of followers '''
if request.method != 'GET':
return HttpResponseBadRequest()
try:
user = get_user_from_username(username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
if is_api_request(request):
user = models.User.objects.get(localname=username)
following = user.following
page = request.GET.get('page')
return JsonResponse(activitypub.get_following(user, page, following))
return redirect('/user/' + username)
@csrf_exempt
def status_page(request, username, status_id):
''' display a particular status (and replies, etc) '''
if request.method != 'GET':
return HttpResponseBadRequest()
try:
user = get_user_from_username(username)
status = models.Status.objects.select_subclasses().get(id=status_id)
except ValueError:
return HttpResponseNotFound()
if user != status.user:
return HttpResponseNotFound()
if is_api_request(request):
return JsonResponse(activitypub.get_status(status))
data = {
'status': status,
}
return TemplateResponse(request, 'status.html', data)
@csrf_exempt
def replies_page(request, username, status_id):
''' ordered collection of replies to a status '''
if request.method != 'GET':
return HttpResponseBadRequest()
if not is_api_request(request):
return status_page(request, username, status_id)
status = models.Status.objects.get(id=status_id)
if status.user.localname != username:
return HttpResponseNotFound()
replies = models.Status.objects.filter(
reply_parent=status,
).select_subclasses()
if request.GET.get('only_other_accounts'):
replies = replies.filter(
~Q(user=status.user)
)
else:
replies = replies.filter(user=status.user)
if request.GET.get('page'):
min_id = request.GET.get('min_id')
if min_id:
replies = replies.filter(id__gt=min_id)
max_id = request.GET.get('max_id')
if max_id:
replies = replies.filter(id__lte=max_id)
activity = activitypub.get_replies_page(status, replies)
return JsonResponse(activity)
return JsonResponse(activitypub.get_replies(status, replies))
@login_required
def edit_profile_page(request):
''' profile page for a user '''
user = request.user
form = forms.EditUserForm(instance=request.user)
data = {
'form': form,
'user': user,
}
return TemplateResponse(request, 'edit_user.html', data)
def book_page(request, book_identifier, tab='friends'):
''' info about a book '''
book = books_manager.get_or_create_book(book_identifier)
if isinstance(book, models.Work):
book_reviews = models.Review.objects.filter(
Q(book=book) | Q(book__parent_work=book),
)
else:
book_reviews = models.Review.objects.filter(book=book)
user_reviews = book_reviews.filter(
user=request.user,
).all()
if tab == 'friends':
reviews = book_reviews.filter(
Q(user__followers=request.user, privacy='public') | \
Q(user=request.user) | \
Q(mention_users=request.user),
)
elif tab == 'local':
reviews = book_reviews.filter(
Q(privacy='public') | \
Q(mention_users=request.user),
user__local=True,
)
else:
reviews = book_reviews.filter(
Q(privacy='public') | \
Q(mention_users=request.user),
)
try:
shelf = models.Shelf.objects.get(user=request.user, book=book)
except models.Shelf.DoesNotExist:
shelf = None
rating = reviews.aggregate(Avg('rating'))
tags = models.Tag.objects.filter(
book=book
).values(
'book', 'name', 'identifier'
).distinct().all()
user_tags = models.Tag.objects.filter(
book=book, user=request.user
).all()
review_form = forms.ReviewForm()
tag_form = forms.TagForm()
data = {
'book': book,
'shelf': shelf,
'user_reviews': user_reviews,
'user_rating': user_reviews.aggregate(Avg('rating')),
'reviews': reviews.distinct(),
'rating': rating['rating__avg'],
'tags': tags,
'user_tags': user_tags,
'user_tag_names': user_tags.values_list('identifier', flat=True),
'review_form': review_form,
'tag_form': tag_form,
'feed_tabs': ['friends', 'local', 'federated'],
'active_tab': tab,
'path': '/book/%s' % book_identifier,
}
return TemplateResponse(request, 'book.html', data)
def author_page(request, author_identifier):
''' landing page for an author '''
try:
author = models.Author.objects.get(openlibrary_key=author_identifier)
except ValueError:
return HttpResponseNotFound()
books = models.Book.objects.filter(authors=author)
data = {
'author': author,
'books': books,
}
return TemplateResponse(request, 'author.html', data)
def tag_page(request, tag_id):
''' books related to a tag '''
tag_obj = models.Tag.objects.filter(identifier=tag_id).first()
books = models.Book.objects.filter(tag__identifier=tag_id).distinct()
data = {
'books': books,
'tag': tag_obj,
}
return TemplateResponse(request, 'tag.html', data)
def shelf_page(request, username, shelf_identifier):
''' display a shelf '''
# TODO: json view
try:
user = get_user_from_username(username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
shelf = models.Shelf.objects.get(user=user, identifier=shelf_identifier)
data = {
'shelf': shelf,
'user': user,
}
return TemplateResponse(request, 'shelf.html', data)