lib.itmens/books/views.py
2020-05-06 16:42:18 +08:00

440 lines
No EOL
15 KiB
Python

from django.shortcuts import render, get_object_or_404, redirect, reverse
from django.contrib.auth.decorators import login_required
from django.utils.translation import gettext_lazy as _
from django.http import HttpResponseBadRequest, HttpResponseServerError
from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
from django.db import IntegrityError, transaction
from django.utils import timezone
from django.core.paginator import Paginator
from common.mastodon import mastodon_request_included
from common.mastodon.api import check_visibility, post_toot, TootVisibilityEnum
from common.mastodon.utils import rating_to_emoji
from .models import *
from .forms import *
from .forms import BookMarkStatusTranslator
# how many marks showed on the detail page
MARK_NUMBER = 5
# how many marks at the mark page
MARK_PER_PAGE = 20
# how many reviews showed on the detail page
REVIEW_NUMBER = 5
# how many reviews at the mark page
REVIEW_PER_PAGE = 20
# public data
###########################
@login_required
def create(request):
if request.method == 'GET':
form = BookForm()
return render(
request,
'books/create_update.html',
{
'form': form,
'title': _('添加书籍'),
'submit_url': reverse("books:create")
}
)
elif request.method == 'POST':
if request.user.is_authenticated:
# only local user can alter public data
form = BookForm(request.POST, request.FILES)
if form.is_valid():
form.instance.last_editor = request.user
form.save()
return redirect(reverse("books:retrieve", args=[form.instance.id]))
else:
return render(
request,
'books/create_update.html',
{
'form': form,
'title': _('添加书籍'),
'submit_url': reverse("books:create")
}
)
else:
return redirect(reverse("users:login"))
else:
return HttpResponseBadRequest()
@login_required
def update(request, id):
if request.method == 'GET':
book = get_object_or_404(Book, pk=id)
form = BookForm(instance=book)
return render(
request,
'books/create_update.html',
{
'form': form,
'title': _('修改书籍'),
'submit_url': reverse("books:update", args=[book.id])
}
)
elif request.method == 'POST':
book = get_object_or_404(Book, pk=id)
form = BookForm(request.POST, instance=book)
if form.is_valid():
form.instance.last_editor = request.user
form.instance.edited_time = timezone.now()
form.save()
return redirect(reverse("books:retrieve", args=[form.instance.id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def retrieve(request, id):
if request.method == 'GET':
book = get_object_or_404(Book, pk=id)
mark = None
review = None
try:
mark = BookMark.objects.get(owner=request.user, book=book)
except ObjectDoesNotExist:
mark = None
if mark:
mark.get_status_display = BookMarkStatusTranslator(mark.status)
mark_form = BookMarkForm(instance=mark)
else:
mark_form = BookMarkForm(initial={
'book': book
})
try:
review = BookReview.objects.get(owner=request.user, book=book)
except ObjectDoesNotExist:
review = None
mark_list = BookMark.get_available(book, request.user, request.session['oauth_token'])
mark_list_more = True if len(mark_list) > MARK_NUMBER else False
mark_list = mark_list[:MARK_NUMBER]
for m in mark_list:
m.get_status_display = BookMarkStatusTranslator(m.status)
review_list = BookReview.get_available(book, request.user, request.session['oauth_token'])
review_list_more = True if len(review_list) > REVIEW_NUMBER else False
review_list = review_list[:REVIEW_NUMBER]
# def strip_html_tags(text):
# import re
# regex = re.compile('<.*?>')
# return re.sub(regex, '', text)
# for r in review_list:
# r.content = strip_html_tags(r.content)
return render(
request,
'books/detail.html',
{
'book': book,
'mark': mark,
'review': review,
'status_enum': MarkStatusEnum,
'mark_form': mark_form,
'mark_list': mark_list,
'mark_list_more': mark_list_more,
'review_list': review_list,
'review_list_more': review_list_more,
}
)
else:
return HttpResponseBadRequest()
@login_required
def delete(request, id):
if request.method == 'GET':
book = get_object_or_404(Book, pk=id)
return render(
request,
'books/delete.html',
{
'book': book,
}
)
elif request.method == 'POST':
if request.user.is_staff:
# only staff has right to delete
book = get_object_or_404(Book, pk=id)
book.delete()
return redirect(reverse("common:search"))
else:
raise PermissionDenied()
else:
return HttpResponseBadRequest()
# user owned entites
###########################
@mastodon_request_included
@login_required
def create_update_mark(request):
# check list:
# clean rating if is wish
# transaction on updating book rating
# owner check(guarantee)
if request.method == 'POST':
pk = request.POST.get('id')
old_rating = None
if pk:
mark = get_object_or_404(BookMark, pk=pk)
old_rating = mark.rating
# update
form = BookMarkForm(request.POST, instance=mark)
else:
# create
form = BookMarkForm(request.POST)
if form.is_valid():
if form.instance.status == MarkStatusEnum.WISH.value:
form.instance.rating = None
form.instance.owner = request.user
form.instance.edited_time = timezone.now()
book = form.instance.book
try:
with transaction.atomic():
# update book rating
book.update_rating(old_rating, form.instance.rating)
form.save()
except IntegrityError as e:
return HttpResponseServerError()
if form.cleaned_data['share_to_mastodon']:
if form.cleaned_data['is_private']:
visibility = TootVisibilityEnum.PRIVATE
else:
visibility = TootVisibilityEnum.PUBLIC
url = "https://" + request.get_host() + reverse("books:retrieve", args=[book.id])
words = BookMarkStatusTranslator(int(form.cleaned_data['status'])) +\
f"{book.title}" + rating_to_emoji(form.cleaned_data['rating'])
content = words + '\n' + url + '\n' + form.cleaned_data['text']
post_toot(content, visibility, request.session['oauth_token'])
else:
return HttpResponseBadRequest()
return redirect(reverse("books:retrieve", args=[form.instance.book.id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def retrieve_mark_list(request, book_id):
if request.method == 'GET':
book = get_object_or_404(Book, pk=book_id)
queryset = BookMark.get_available(book, request.user, request.session['oauth_token'])
paginator = Paginator(queryset, MARK_PER_PAGE)
page_number = request.GET.get('page', default=1)
marks = paginator.get_page(page_number)
for m in marks:
m.get_status_display = BookMarkStatusTranslator(m.status)
return render(
request,
'books/mark_list.html',
{
'marks': marks,
'book': book,
}
)
else:
return HttpResponseBadRequest()
@login_required
def delete_mark(request, id):
if request.method == 'POST':
mark = get_object_or_404(BookMark, pk=id)
book_id = mark.book.id
try:
with transaction.atomic():
# update book rating
mark.book.update_rating(mark.rating, None)
mark.delete()
except IntegrityError as e:
return HttpResponseServerError()
return redirect(reverse("books:retrieve", args=[book_id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def create_review(request, book_id):
if request.method == 'GET':
form = BookReviewForm(initial={'book': book_id})
book = get_object_or_404(Book, pk=book_id)
return render(
request,
'books/create_update_review.html',
{
'form': form,
'title': _("添加评论"),
'book': book,
'submit_url': reverse("books:create_review", args=[book_id]),
}
)
elif request.method == 'POST':
form = BookReviewForm(request.POST)
if form.is_valid():
form.instance.owner = request.user
form.save()
if form.cleaned_data['share_to_mastodon']:
if form.cleaned_data['is_private']:
visibility = TootVisibilityEnum.PRIVATE
else:
visibility = TootVisibilityEnum.PUBLIC
url = "https://" + request.get_host() + reverse("books:retrieve_review", args=[form.instance.id])
words = "发布了关于" + f"{form.instance.book.title}" + "的评论"
content = words + '\n' + url + '\n' + form.cleaned_data['title']
post_toot(content, visibility, request.session['oauth_token'])
return redirect(reverse("books:retrieve_review", args=[form.instance.id]))
else:
return HttpResponseBadRequest()
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def update_review(request, id):
# owner check
# edited time
if request.method == 'GET':
review = get_object_or_404(BookReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
form = BookReviewForm(instance=review)
book = review.book
return render(
request,
'books/create_update_review.html',
{
'form': form,
'title': _("编辑评论"),
'book': book,
'submit_url': reverse("books:update_review", args=[review.id]),
}
)
elif request.method == 'POST':
review = get_object_or_404(BookReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
form = BookReviewForm(request.POST, instance=review)
if form.is_valid():
form.instance.edited_time = timezone.now()
form.save()
if form.cleaned_data['share_to_mastodon']:
if form.cleaned_data['is_private']:
visibility = TootVisibilityEnum.PRIVATE
else:
visibility = TootVisibilityEnum.PUBLIC
url = "https://" + request.get_host() + reverse("books:retrieve_review", args=[form.instance.id])
words = "发布了关于" + f"{form.instance.book.title}" + "的评论"
content = words + '\n' + url + '\n' + form.cleaned_data['title']
post_toot(content, visibility, request.session['oauth_token'])
return redirect(reverse("books:retrieve_review", args=[form.instance.id]))
else:
return HttpResponseBadRequest()
else:
return HttpResponseBadRequest()
@login_required
def delete_review(request, id):
if request.method == 'GET':
review = get_object_or_404(BookReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
review_form = BookReviewForm(instance=review)
return render(
request,
'books/delete_review.html',
{
'form': review_form,
'review': review,
}
)
elif request.method == 'POST':
review = get_object_or_404(BookReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
book_id = review.book.id
review.delete()
return redirect(reverse("books:retrieve", args=[book_id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def retrieve_review(request, id):
if request.method == 'GET':
review = get_object_or_404(BookReview, pk=id)
if not check_visibility(review, request.session['oauth_token'], request.user):
return HttpResponseBadRequest()
review_form = BookReviewForm(instance=review)
book = review.book
try:
mark = BookMark.objects.get(owner=review.owner, book=book)
mark.get_status_display = BookMarkStatusTranslator(mark.status)
except ObjectDoesNotExist:
mark = None
return render(
request,
'books/review_detail.html',
{
'form': review_form,
'review': review,
'book': book,
'mark': mark,
}
)
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def retrieve_review_list(request, book_id):
if request.method == 'GET':
book = get_object_or_404(Book, pk=book_id)
queryset = BookReview.get_available(book, request.user, request.session['oauth_token'])
paginator = Paginator(queryset, REVIEW_PER_PAGE)
page_number = request.GET.get('page', default=1)
reviews = paginator.get_page(page_number)
return render(
request,
'books/review_list.html',
{
'reviews': reviews,
'book': book,
}
)
else:
return HttpResponseBadRequest()
@login_required
def scrape(request):
if request.method == 'GET':
keywords = request.GET.get('keywords')
form = BookForm()
return render(
request,
'books/scrape.html',
{
'keywords': keywords,
'form': form,
}
)
else:
return HttpResponseBadRequest()