forked from mirrors/bookwyrm
588 lines
18 KiB
Python
588 lines
18 KiB
Python
''' views for pages you can go to in the application '''
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import re
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from django.contrib.auth.decorators import login_required
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from django.db.models import Avg, Q
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from django.http import HttpResponseBadRequest, HttpResponseNotFound,\
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JsonResponse
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from django.core.exceptions import PermissionDenied
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from django.shortcuts import redirect
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from django.template.response import TemplateResponse
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from django.views.decorators.csrf import csrf_exempt
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from fedireads import activitypub, outgoing
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from fedireads import forms, models, books_manager
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from fedireads import goodreads_import
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from fedireads.books_manager import get_or_create_book
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from fedireads.tasks import app
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def get_user_from_username(username):
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''' helper function to resolve a localname or a username to a user '''
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try:
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user = models.User.objects.get(localname=username)
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except models.User.DoesNotExist:
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user = models.User.objects.get(username=username)
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return user
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def is_api_request(request):
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''' check whether a request is asking for html or data '''
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return 'json' in request.headers.get('Accept') or \
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request.path[-5:] == '.json'
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def server_error_page(request):
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''' 500 errors '''
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return TemplateResponse(request, 'error.html')
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def not_found_page(request, _):
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''' 404s '''
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return TemplateResponse(request, 'notfound.html')
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@login_required
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def home(request):
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''' this is the same as the feed on the home tab '''
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return home_tab(request, 'home')
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@login_required
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def home_tab(request, tab):
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''' user's homepage with activity feed '''
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page_size = 15
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try:
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page = int(request.GET.get('page', 1))
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except ValueError:
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page = 1
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shelves = []
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shelves = get_user_shelf_preview(
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request.user,
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[('reading', 3), ('read', 1), ('to-read', 3)]
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)
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size = sum(len(s['books']) for s in shelves)
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# books new to the instance, for discovery
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if size < 6:
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recent_books = models.Work.objects.order_by(
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'-created_date'
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)[:6 - size]
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recent_books = [b.default_edition for b in recent_books]
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shelves.append({
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'name': 'Recently added',
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'identifier': None,
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'books': recent_books,
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'count': 6 - size,
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})
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# allows us to check if a user has shelved a book
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user_books = models.Edition.objects.filter(shelves__user=request.user).all()
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activities = get_activity_feed(request.user, tab)
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activity_count = activities.count()
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activities = activities[(page - 1) * page_size:page * page_size]
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next_page = '/?page=%d' % (page + 1)
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prev_page = '/?page=%d' % (page - 1)
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data = {
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'user': request.user,
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'shelves': shelves,
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'user_books': user_books,
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'activities': activities,
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'feed_tabs': [
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{'id': 'home', 'display': 'Home'},
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{'id': 'local', 'display': 'Local'},
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{'id': 'federated', 'display': 'Federated'}
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],
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'active_tab': tab,
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'review_form': forms.ReviewForm(),
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'quotation_form': forms.QuotationForm(),
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'comment_form': forms.CommentForm(),
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'next': next_page if activity_count > (page_size * page) else None,
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'prev': prev_page if page > 1 else None,
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}
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return TemplateResponse(request, 'feed.html', data)
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def get_activity_feed(user, filter_level, model=models.Status):
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''' get a filtered queryset of statuses '''
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# status updates for your follow network
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following = models.User.objects.filter(
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Q(followers=user) | Q(id=user.id)
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)
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activities = model
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if hasattr(model, 'objects'):
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activities = model.objects
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activities = activities.order_by(
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'-created_date'
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)
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if hasattr(activities, 'select_subclasses'):
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activities = activities.select_subclasses()
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# TODO: privacy relationshup between request.user and user
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if filter_level in ['friends', 'home']:
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# people you follow and direct mentions
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activities = activities.filter(
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Q(user__in=following, privacy='public') | \
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Q(mention_users=user)
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)
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elif filter_level == 'self':
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activities = activities.filter(user=user, privacy='public')
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elif filter_level == 'local':
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# everyone on this instance
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activities = activities.filter(user__local=True, privacy='public')
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else:
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# all activities from everyone you federate with
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activities = activities.filter(privacy='public')
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return activities
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def search(request):
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''' that search bar up top '''
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query = request.GET.get('q')
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if re.match(r'\w+@\w+.\w+', query):
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# if something looks like a username, search with webfinger
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results = [outgoing.handle_account_search(query)]
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return TemplateResponse(
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request, 'user_results.html', {'results': results}
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)
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# or just send the question over to book search
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if is_api_request(request):
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# only return local results via json so we don't cause a cascade
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results = books_manager.local_search(query)
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return JsonResponse([r.__dict__ for r in results], safe=False)
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results = books_manager.search(query)
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return TemplateResponse(request, 'book_results.html', {'results': results})
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def books_page(request):
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''' discover books '''
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recent_books = models.Work.objects
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recent_books = recent_books.order_by('-created_date')[:50]
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recent_books = [b.default_edition for b in recent_books]
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if request.user.is_authenticated:
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recent_books = models.Edition.objects.filter(
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~Q(shelfbook__shelf__user=request.user),
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id__in=[b.id for b in recent_books if b],
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)
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data = {
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'books': recent_books,
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}
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return TemplateResponse(request, 'books.html', data)
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@login_required
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def import_page(request):
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''' import history from goodreads '''
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return TemplateResponse(request, 'import.html', {
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'import_form': forms.ImportForm(),
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'jobs': models.ImportJob.
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objects.filter(user=request.user).order_by('-created_date'),
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'limit': goodreads_import.MAX_ENTRIES,
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})
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@login_required
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def import_status(request, job_id):
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''' status of an import job '''
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job = models.ImportJob.objects.get(id=job_id)
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if job.user != request.user:
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raise PermissionDenied
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task = app.AsyncResult(job.task_id)
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return TemplateResponse(request, 'import_status.html', {
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'job': job,
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'items': job.items.order_by('index').all(),
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'task': task
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})
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def login_page(request):
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''' authentication '''
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# send user to the login page
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data = {
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'login_form': forms.LoginForm(),
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'register_form': forms.RegisterForm(),
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}
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return TemplateResponse(request, 'login.html', data)
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@login_required
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def notifications_page(request):
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''' list notitications '''
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notifications = request.user.notification_set.all() \
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.order_by('-created_date')
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unread = [n.id for n in notifications.filter(read=False)]
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data = {
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'notifications': notifications,
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'unread': unread,
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}
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notifications.update(read=True)
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return TemplateResponse(request, 'notifications.html', data)
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@csrf_exempt
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def user_page(request, username, subpage=None):
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''' profile page for a user '''
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try:
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user = get_user_from_username(username)
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except models.User.DoesNotExist:
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return HttpResponseNotFound()
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if is_api_request(request):
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# we have a json request
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return JsonResponse(user.activitypub_serialize)
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# otherwise we're at a UI view
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# TODO: change display with privacy and authentication considerations
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data = {
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'user': user,
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'is_self': request.user.id == user.id,
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}
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if subpage == 'followers':
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data['followers'] = user.followers.all()
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return TemplateResponse(request, 'followers.html', data)
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if subpage == 'following':
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data['following'] = user.following.all()
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return TemplateResponse(request, 'following.html', data)
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if subpage == 'shelves':
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data['shelves'] = user.shelf_set.all()
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return TemplateResponse(request, 'user_shelves.html', data)
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shelves = get_user_shelf_preview(user)
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data['shelves'] = shelves
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activities = get_activity_feed(user, 'self')[:15]
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data['activities'] = activities
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return TemplateResponse(request, 'user.html', data)
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@csrf_exempt
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def followers_page(request, username):
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''' list of followers '''
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if request.method != 'GET':
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return HttpResponseBadRequest()
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try:
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user = get_user_from_username(username)
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except models.User.DoesNotExist:
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return HttpResponseNotFound()
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if is_api_request(request):
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user = models.User.objects.get(localname=username)
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followers = user.followers
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page = request.GET.get('page')
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return JsonResponse(activitypub.get_followers(user, page, followers))
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return user_page(request, username, subpage='followers')
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@csrf_exempt
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def following_page(request, username):
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''' list of followers '''
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if request.method != 'GET':
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return HttpResponseBadRequest()
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try:
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user = get_user_from_username(username)
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except models.User.DoesNotExist:
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return HttpResponseNotFound()
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if is_api_request(request):
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user = models.User.objects.get(localname=username)
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following = user.following
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page = request.GET.get('page')
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return JsonResponse(activitypub.get_following(user, page, following))
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return user_page(request, username, subpage='following')
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@csrf_exempt
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def user_shelves_page(request, username):
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''' list of followers '''
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if request.method != 'GET':
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return HttpResponseBadRequest()
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return user_page(request, username, subpage='shelves')
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@csrf_exempt
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def status_page(request, username, status_id):
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''' display a particular status (and replies, etc) '''
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if request.method != 'GET':
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return HttpResponseBadRequest()
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try:
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user = get_user_from_username(username)
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status = models.Status.objects.select_subclasses().get(id=status_id)
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except ValueError:
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return HttpResponseNotFound()
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if user != status.user:
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return HttpResponseNotFound()
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if is_api_request(request):
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return JsonResponse(status.activitypub_serialize)
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data = {
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'status': status,
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}
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return TemplateResponse(request, 'status.html', data)
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@csrf_exempt
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def replies_page(request, username, status_id):
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''' ordered collection of replies to a status '''
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if request.method != 'GET':
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return HttpResponseBadRequest()
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if not is_api_request(request):
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return status_page(request, username, status_id)
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status = models.Status.objects.get(id=status_id)
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if status.user.localname != username:
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return HttpResponseNotFound()
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replies = models.Status.objects.filter(
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reply_parent=status,
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).select_subclasses()
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if request.GET.get('only_other_accounts'):
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replies = replies.filter(
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~Q(user=status.user)
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)
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else:
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replies = replies.filter(user=status.user)
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if request.GET.get('page'):
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min_id = request.GET.get('min_id')
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if min_id:
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replies = replies.filter(id__gt=min_id)
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max_id = request.GET.get('max_id')
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if max_id:
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replies = replies.filter(id__lte=max_id)
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activity = activitypub.get_replies_page(status, replies)
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return JsonResponse(activity)
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return JsonResponse(activitypub.get_replies(status, replies))
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@login_required
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def edit_profile_page(request):
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''' profile page for a user '''
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user = request.user
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form = forms.EditUserForm(instance=request.user)
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data = {
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'form': form,
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'user': user,
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}
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return TemplateResponse(request, 'edit_user.html', data)
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def book_page(request, book_id, tab='friends'):
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''' info about a book '''
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if ':' in book_id:
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try:
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connector_id, key, book_id = book_id.split(':')
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except ValueError:
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return HttpResponseNotFound()
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book = get_or_create_book(book_id, key=key, connector_id=connector_id)
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return redirect('/book/%d' % book.id)
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book = get_or_create_book(book_id)
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if is_api_request(request):
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return JsonResponse(activitypub.get_book(book))
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if isinstance(book, models.Work):
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book = book.default_edition
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if not book:
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return HttpResponseNotFound()
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work = book.parent_work
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if not work:
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return HttpResponseNotFound()
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book_reviews = models.Review.objects.filter(book__in=work.edition_set.all())
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if request.user.is_authenticated:
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user_reviews = book_reviews.filter(
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user=request.user,
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).all()
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reviews = get_activity_feed(request.user, tab, model=book_reviews)
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try:
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# TODO: books can be on multiple shelves
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shelf = models.Shelf.objects.filter(
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user=request.user,
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edition=book
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).first()
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except models.Shelf.DoesNotExist:
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shelf = None
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user_tags = models.Tag.objects.filter(
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book=book, user=request.user
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).values_list('identifier', flat=True)
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else:
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tab = 'public'
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reviews = book_reviews.filter(privacy='public')
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shelf = None
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user_reviews = []
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user_tags = []
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rating = reviews.aggregate(Avg('rating'))
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tags = models.Tag.objects.filter(
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book=book
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).values(
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'book', 'name', 'identifier'
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).distinct().all()
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data = {
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'book': book,
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'shelf': shelf,
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'user_reviews': user_reviews,
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'reviews': reviews.distinct(),
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'rating': rating['rating__avg'],
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'tags': tags,
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'user_tags': user_tags,
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'review_form': forms.ReviewForm(),
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'tag_form': forms.TagForm(),
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'feed_tabs': [
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{'id': 'friends', 'display': 'Friends'},
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{'id': 'local', 'display': 'Local'},
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{'id': 'federated', 'display': 'Federated'}
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],
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'active_tab': tab,
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'path': '/book/%s' % book_id,
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'cover_form': forms.CoverForm(instance=book),
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'info_fields': [
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{'name': 'ISBN', 'value': book.isbn_13},
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{'name': 'OCLC number', 'value': book.oclc_number},
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{'name': 'OpenLibrary ID', 'value': book.openlibrary_key},
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{'name': 'Goodreads ID', 'value': book.goodreads_key},
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{'name': 'Format', 'value': book.physical_format},
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{'name': 'Pages', 'value': book.pages},
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],
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}
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return TemplateResponse(request, 'book.html', data)
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@login_required
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def edit_book_page(request, book_id):
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''' info about a book '''
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book = get_or_create_book(book_id)
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if not book.description:
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book.description = book.parent_work.description
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data = {
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'book': book,
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'form': forms.EditionForm(instance=book)
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}
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return TemplateResponse(request, 'edit_book.html', data)
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def editions_page(request, work_id):
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''' list of editions of a book '''
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work = models.Work.objects.get(id=work_id)
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editions = models.Edition.objects.filter(parent_work=work).all()
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data = {
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'editions': editions,
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'work': work,
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}
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return TemplateResponse(request, 'editions.html', data)
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def author_page(request, author_id):
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''' landing page for an author '''
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try:
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author = models.Author.objects.get(id=author_id)
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except ValueError:
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return HttpResponseNotFound()
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if is_api_request(request):
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return JsonResponse(activitypub.get_author(author))
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books = models.Work.objects.filter(authors=author)
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data = {
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'author': author,
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'books': [b.default_edition for b in books],
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}
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return TemplateResponse(request, 'author.html', data)
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def tag_page(request, tag_id):
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''' books related to a tag '''
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tag_obj = models.Tag.objects.filter(identifier=tag_id).first()
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books = models.Edition.objects.filter(tag__identifier=tag_id).distinct()
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data = {
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'books': books,
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'tag': tag_obj,
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}
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return TemplateResponse(request, 'tag.html', data)
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def shelf_page(request, username, shelf_identifier):
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''' display a shelf '''
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try:
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user = get_user_from_username(username)
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except models.User.DoesNotExist:
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return HttpResponseNotFound()
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shelf = models.Shelf.objects.get(user=user, identifier=shelf_identifier)
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if is_api_request(request):
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page = request.GET.get('page')
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return JsonResponse(activitypub.get_shelf(shelf, page=page))
|
|
|
|
data = {
|
|
'shelf': shelf,
|
|
'user': user,
|
|
}
|
|
return TemplateResponse(request, 'shelf.html', data)
|
|
|
|
|
|
def get_user_shelf_preview(user, shelf_proportions=None):
|
|
''' data for the covers shelf (user page and feed page) '''
|
|
shelves = []
|
|
shelf_max = 6
|
|
if not shelf_proportions:
|
|
shelf_proportions = [('reading', 3), ('read', 2), ('to-read', -1)]
|
|
for (identifier, count) in shelf_proportions:
|
|
if shelf_max <= 0:
|
|
break
|
|
if count > shelf_max or count < 0:
|
|
count = shelf_max
|
|
|
|
try:
|
|
shelf = models.Shelf.objects.get(
|
|
user=user,
|
|
identifier=identifier,
|
|
)
|
|
except models.Shelf.DoesNotExist:
|
|
continue
|
|
|
|
if not shelf.books.count():
|
|
continue
|
|
books = models.ShelfBook.objects.filter(
|
|
shelf=shelf,
|
|
).order_by(
|
|
'-updated_date'
|
|
)[:count]
|
|
|
|
shelf_max -= len(books)
|
|
|
|
shelves.append({
|
|
'name': shelf.name,
|
|
'identifier': shelf.identifier,
|
|
'books': [b.book for b in books],
|
|
'size': shelf.books.count(),
|
|
})
|
|
return shelves
|