lib.itmens/games/views.py

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import logging
from django.shortcuts import render, get_object_or_404, redirect, reverse
from django.contrib.auth.decorators import login_required, permission_required
from django.utils.translation import gettext_lazy as _
from django.http import HttpResponseBadRequest, HttpResponseServerError, HttpResponse
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from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
from django.db import IntegrityError, transaction
from django.db.models import Count
from django.utils import timezone
from django.core.paginator import Paginator
from mastodon import mastodon_request_included
from mastodon.models import MastodonApplication
from mastodon.api import share_mark, share_review
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from common.utils import PageLinksGenerator
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from common.views import PAGE_LINK_NUMBER, jump_or_scrape, go_relogin
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from common.models import SourceSiteEnum
from .models import *
from .forms import *
from django.conf import settings
from collection.models import CollectionItem
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from common.scraper import get_scraper_by_url, get_normalized_url
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logger = logging.getLogger(__name__)
mastodon_logger = logging.getLogger("django.mastodon")
# 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
# max tags on detail page
TAG_NUMBER = 10
# public data
###########################
@login_required
def create(request):
if request.method == 'GET':
form = GameForm()
return render(
request,
'games/create_update.html',
{
'form': form,
'title': _('添加游戏'),
'submit_url': reverse("games:create"),
# provided for frontend js
'this_site_enum_value': SourceSiteEnum.IN_SITE.value,
}
)
elif request.method == 'POST':
if request.user.is_authenticated:
# only local user can alter public data
form = GameForm(request.POST, request.FILES)
if form.is_valid():
form.instance.last_editor = request.user
try:
with transaction.atomic():
form.save()
if form.instance.source_site == SourceSiteEnum.IN_SITE.value:
real_url = form.instance.get_absolute_url()
form.instance.source_url = real_url
form.instance.save()
except IntegrityError as e:
logger.error(e.__str__())
return HttpResponseServerError("integrity error")
return redirect(reverse("games:retrieve", args=[form.instance.id]))
else:
return render(
request,
'games/create_update.html',
{
'form': form,
'title': _('添加游戏'),
'submit_url': reverse("games:create"),
# provided for frontend js
'this_site_enum_value': SourceSiteEnum.IN_SITE.value,
}
)
else:
return redirect(reverse("users:login"))
else:
return HttpResponseBadRequest()
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@login_required
def rescrape(request, id):
if request.method != 'POST':
return HttpResponseBadRequest()
item = get_object_or_404(Game, pk=id)
url = get_normalized_url(item.source_url)
scraper = get_scraper_by_url(url)
scraper.scrape(url)
form = scraper.save(request_user=request.user, instance=item)
return redirect(reverse("games:retrieve", args=[form.instance.id]))
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@login_required
def update(request, id):
if request.method == 'GET':
game = get_object_or_404(Game, pk=id)
form = GameForm(instance=game)
page_title = _('修改游戏')
return render(
request,
'games/create_update.html',
{
'form': form,
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'is_update': True,
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'title': page_title,
'submit_url': reverse("games:update", args=[game.id]),
# provided for frontend js
'this_site_enum_value': SourceSiteEnum.IN_SITE.value,
}
)
elif request.method == 'POST':
game = get_object_or_404(Game, pk=id)
form = GameForm(request.POST, request.FILES, instance=game)
page_title = _("修改游戏")
if form.is_valid():
form.instance.last_editor = request.user
form.instance.edited_time = timezone.now()
try:
with transaction.atomic():
form.save()
if form.instance.source_site == SourceSiteEnum.IN_SITE.value:
real_url = form.instance.get_absolute_url()
form.instance.source_url = real_url
form.instance.save()
except IntegrityError as e:
logger.error(e.__str__())
return HttpResponseServerError("integrity error")
else:
return render(
request,
'games/create_update.html',
{
'form': form,
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'is_update': True,
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'title': page_title,
'submit_url': reverse("games:update", args=[game.id]),
# provided for frontend js
'this_site_enum_value': SourceSiteEnum.IN_SITE.value,
}
)
return redirect(reverse("games:retrieve", args=[form.instance.id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
# @login_required
def retrieve(request, id):
if request.method == 'GET':
game = get_object_or_404(Game, pk=id)
mark = None
mark_tags = None
review = None
# retreive tags
game_tag_list = game.game_tags.values('content').annotate(
tag_frequency=Count('content')).order_by('-tag_frequency')[:TAG_NUMBER]
# retrieve user mark and initialize mark form
try:
if request.user.is_authenticated:
mark = GameMark.objects.get(owner=request.user, game=game)
except ObjectDoesNotExist:
mark = None
if mark:
mark_tags = mark.gamemark_tags.all()
mark.get_status_display = GameMarkStatusTranslator(mark.status)
mark_form = GameMarkForm(instance=mark, initial={
'tags': mark_tags
})
else:
mark_form = GameMarkForm(initial={
'game': game,
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'visibility': request.user.get_preference().default_visibility if request.user.is_authenticated else 0,
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'tags': mark_tags
})
# retrieve user review
try:
if request.user.is_authenticated:
review = GameReview.objects.get(
owner=request.user, game=game)
except ObjectDoesNotExist:
review = None
# retrieve other related reviews and marks
if request.user.is_anonymous:
# hide all marks and reviews for anonymous user
mark_list = None
review_list = None
mark_list_more = None
review_list_more = None
else:
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mark_list = GameMark.get_available(game, request.user)
review_list = GameReview.get_available(game, request.user)
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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 = GameMarkStatusTranslator(m.status)
review_list_more = True if len(
review_list) > REVIEW_NUMBER else False
review_list = review_list[:REVIEW_NUMBER]
all_collections = CollectionItem.objects.filter(game=game).annotate(num_marks=Count('collection__collection_marks')).order_by('-num_marks')[:20]
collection_list = filter(lambda c: c.is_visible_to(request.user), map(lambda i: i.collection, all_collections))
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# 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,
'games/detail.html',
{
'game': game,
'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,
'game_tag_list': game_tag_list,
'mark_tags': mark_tags,
'collection_list': collection_list,
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}
)
else:
logger.warning('non-GET method at /games/<id>')
return HttpResponseBadRequest()
@permission_required("games.delete_game")
@login_required
def delete(request, id):
if request.method == 'GET':
game = get_object_or_404(Game, pk=id)
return render(
request,
'games/delete.html',
{
'game': game,
}
)
elif request.method == 'POST':
if request.user.is_staff:
# only staff has right to delete
game = get_object_or_404(Game, pk=id)
game.delete()
return redirect(reverse("common:home"))
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 game rating
# owner check(guarantee)
if request.method == 'POST':
pk = request.POST.get('id')
old_rating = None
old_tags = None
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if not pk:
game_id = request.POST.get('game')
mark = GameMark.objects.filter(game_id=game_id, owner=request.user).first()
if mark:
pk = mark.id
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if pk:
mark = get_object_or_404(GameMark, pk=pk)
if request.user != mark.owner:
return HttpResponseBadRequest()
old_rating = mark.rating
old_tags = mark.gamemark_tags.all()
if mark.status != request.POST.get('status'):
mark.created_time = timezone.now()
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# update
form = GameMarkForm(request.POST, instance=mark)
else:
# create
form = GameMarkForm(request.POST)
if form.is_valid():
if form.instance.status == MarkStatusEnum.WISH.value or form.instance.rating == 0:
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form.instance.rating = None
form.cleaned_data['rating'] = None
form.instance.owner = request.user
form.instance.edited_time = timezone.now()
game = form.instance.game
try:
with transaction.atomic():
# update game rating
game.update_rating(old_rating, form.instance.rating)
form.save()
# update tags
if old_tags:
for tag in old_tags:
tag.delete()
if form.cleaned_data['tags']:
for tag in form.cleaned_data['tags']:
GameTag.objects.create(
content=tag,
game=game,
mark=form.instance
)
except IntegrityError as e:
logger.error(e.__str__())
return HttpResponseServerError("integrity error")
if form.cleaned_data['share_to_mastodon']:
if not share_mark(form.instance):
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return go_relogin(request)
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else:
return HttpResponseBadRequest(f"invalid form data {form.errors}")
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return redirect(reverse("games:retrieve", args=[form.instance.game.id]))
else:
return HttpResponseBadRequest("invalid method")
@mastodon_request_included
@login_required
def wish(request, id):
if request.method == 'POST':
game = get_object_or_404(Game, pk=id)
params = {
'owner': request.user,
'status': MarkStatusEnum.WISH,
'visibility': 0,
'game': game,
}
try:
GameMark.objects.create(**params)
except Exception:
pass
return HttpResponse("✔️")
else:
return HttpResponseBadRequest("invalid method")
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@mastodon_request_included
@login_required
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def retrieve_mark_list(request, game_id, following_only=False):
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if request.method == 'GET':
game = get_object_or_404(Game, pk=game_id)
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queryset = GameMark.get_available(game, request.user, following_only=following_only)
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paginator = Paginator(queryset, MARK_PER_PAGE)
page_number = request.GET.get('page', default=1)
marks = paginator.get_page(page_number)
marks.pagination = PageLinksGenerator(
PAGE_LINK_NUMBER, page_number, paginator.num_pages)
for m in marks:
m.get_status_display = GameMarkStatusTranslator(m.status)
return render(
request,
'games/mark_list.html',
{
'marks': marks,
'game': game,
}
)
else:
return HttpResponseBadRequest()
@login_required
def delete_mark(request, id):
if request.method == 'POST':
mark = get_object_or_404(GameMark, pk=id)
if request.user != mark.owner:
return HttpResponseBadRequest()
game_id = mark.game.id
try:
with transaction.atomic():
# update game rating
mark.game.update_rating(mark.rating, None)
mark.delete()
except IntegrityError as e:
return HttpResponseServerError()
return redirect(reverse("games:retrieve", args=[game_id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def create_review(request, game_id):
if request.method == 'GET':
form = GameReviewForm(initial={'game': game_id})
game = get_object_or_404(Game, pk=game_id)
return render(
request,
'games/create_update_review.html',
{
'form': form,
'title': _("添加评论"),
'game': game,
'submit_url': reverse("games:create_review", args=[game_id]),
}
)
elif request.method == 'POST':
form = GameReviewForm(request.POST)
if form.is_valid():
form.instance.owner = request.user
form.save()
if form.cleaned_data['share_to_mastodon']:
if not share_review(form.instance):
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return go_relogin(request)
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return redirect(reverse("games:retrieve_review", args=[form.instance.id]))
else:
return HttpResponseBadRequest()
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def update_review(request, id):
if request.method == 'GET':
review = get_object_or_404(GameReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
form = GameReviewForm(instance=review)
game = review.game
return render(
request,
'games/create_update_review.html',
{
'form': form,
'title': _("编辑评论"),
'game': game,
'submit_url': reverse("games:update_review", args=[review.id]),
}
)
elif request.method == 'POST':
review = get_object_or_404(GameReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
form = GameReviewForm(request.POST, instance=review)
if form.is_valid():
form.instance.edited_time = timezone.now()
form.save()
if form.cleaned_data['share_to_mastodon']:
if not share_review(form.instance):
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return go_relogin(request)
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return redirect(reverse("games: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(GameReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
review_form = GameReviewForm(instance=review)
return render(
request,
'games/delete_review.html',
{
'form': review_form,
'review': review,
}
)
elif request.method == 'POST':
review = get_object_or_404(GameReview, pk=id)
if request.user != review.owner:
return HttpResponseBadRequest()
game_id = review.game.id
review.delete()
return redirect(reverse("games:retrieve", args=[game_id]))
else:
return HttpResponseBadRequest()
@mastodon_request_included
def retrieve_review(request, id):
if request.method == 'GET':
review = get_object_or_404(GameReview, pk=id)
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if not review.is_visible_to(request.user):
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msg = _("你没有访问这个页面的权限😥")
return render(
request,
'common/error.html',
{
'msg': msg,
}
)
review_form = GameReviewForm(instance=review)
game = review.game
try:
mark = GameMark.objects.get(owner=review.owner, game=game)
mark.get_status_display = GameMarkStatusTranslator(mark.status)
except ObjectDoesNotExist:
mark = None
return render(
request,
'games/review_detail.html',
{
'form': review_form,
'review': review,
'game': game,
'mark': mark,
}
)
else:
return HttpResponseBadRequest()
@mastodon_request_included
@login_required
def retrieve_review_list(request, game_id):
if request.method == 'GET':
game = get_object_or_404(Game, pk=game_id)
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queryset = GameReview.get_available(game, request.user)
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paginator = Paginator(queryset, REVIEW_PER_PAGE)
page_number = request.GET.get('page', default=1)
reviews = paginator.get_page(page_number)
reviews.pagination = PageLinksGenerator(
PAGE_LINK_NUMBER, page_number, paginator.num_pages)
return render(
request,
'games/review_list.html',
{
'reviews': reviews,
'game': game,
}
)
else:
return HttpResponseBadRequest()
@login_required
def scrape(request):
if request.method == 'GET':
keywords = request.GET.get('q')
form = GameForm()
return render(
request,
'games/scrape.html',
{
'q': keywords,
'form': form,
}
)
else:
return HttpResponseBadRequest()
@login_required
def click_to_scrape(request):
if request.method == "POST":
url = request.POST.get("url")
if url:
return jump_or_scrape(request, url)
else:
return HttpResponseBadRequest()
else:
return HttpResponseBadRequest()