def cat_drop(request, isbn):
check_login(request)
user = User.objects.get(username=request.session['username'])
try:
book = Books.objects.get(ISBN=isbn)
user.remove_from_order(book)
except Books.DoesNotExist:
pass
return redirect('library:cart')
def list_by_cate(request, cid=0):
check_login(request)
category = get_all_cate()
books = get_list_by_cate(cid)
# print(books[0].cover)
return render(request, 'library/store.html', locals())
def add_to_cart(request, isbn):
check_login(request)
amount = int(request.POST['amount'])
if amount <= 0:
return redirect('library:book_detail')
book = Books.objects.get(ISBN=isbn)
user = User.objects.get(username=request.session['username'])
user.add_to_cart(book, amount)
return redirect('library:index')
def search_result(request):
check_login(request)
category = get_all_cate()
key = request.POST['keyword']
if len(key):
books = Books.objects.filter(
Q(ISBN__contains=key) | Q(title__contains=key)
| Q(author__contains=key) | Q(publisher__contains=key))
else:
books = Books.objects.all()
return render(request, 'library/search_result.html', locals())
def book_detail(request, ISBN):
check_login(request)
if len(ISBN) != 11:
return redirect('library:index')
try:
book = Books.objects.get(ISBN=ISBN)
except Books.DoesNotExist:
return redirect('library:index')
else:
context = {'book': book}
return render(request, 'library/book_detail.html', context)
def index(request):
check_login(request)
books = get_list_by_cate(0)
category = get_all_cate()
return render(request, 'library/index.html', locals())
def do_pay(request):
check_login(request)
username = request.session['username']
user = User.objects.get(username=username)
user.pay()
return redirect('library:index')
def cart_contain(request):
check_login(request)
category = get_all_cate()
user = User.objects.get(username=request.session['username'])
orders = user.get_all_order()
return render(request, 'library/cart.html', locals())