def book_summary(request):
'''
AJAX request for book summary
'''
if request.method == 'POST' and request.is_ajax():
bookid = request.POST.get('bookid', None)
if is_bookid_invalid(bookid):
return JsonResponse({'success': False}, status=200)
URL = 'https://www.goodreads.com/book/show/' + bookid
page = requests.get(URL)
soup = BeautifulSoup(page.content, 'html.parser')
div_container = soup.find(id='description')
full_book_summary = ""
if not div_container:
return JsonResponse({'success': False}, status=200)
for spantag in div_container.find_all('span'):
try:
# When text is too long, consider till last complete sentence
full_book_summary += spantag.text[:spantag.text.
rindex('.')] + '. '
except ValueError:
full_book_summary += spantag.text + ' '
break
part_summary = ' '.join(full_book_summary.split()[:65]) + ' . . .'
return JsonResponse({
'success': True,
'booksummary': part_summary
},
status=200)
def remove_saved_book(request):
"""AJAX request when user removes book"""
if request.method == 'POST' and request.is_ajax():
bookid = request.POST.get('bookid', None)
if is_bookid_invalid(bookid):
return JsonResponse({'success': False}, status=200)
saved_book = SaveForLater.objects.filter(user=request.user,
bookid=bookid)
saved_book.delete()
return JsonResponse({'success': True}, status=200)
def save_book(request):
"""AJAX request when user saves book"""
if request.method == 'POST' and request.is_ajax():
bookid = request.POST.get('bookid', None)
user_ratings = list(UserRating.objects.filter(user=request.user))
rated_books = set(get_rated_bookids(user_ratings))
if is_bookid_invalid(bookid) or bookid in rated_books:
return JsonResponse({'success': False}, status=200)
SaveForLater.objects.create(user=request.user, bookid=bookid)
return JsonResponse({'success': True}, status=200)
def get_book_details(request):
'''
AJAX request for book details
'''
if request.method == 'POST' and request.is_ajax():
bookid = request.POST.get('bookid', None)
if is_bookid_invalid(bookid):
return JsonResponse({'success': False}, status=200)
df_book = pd.read_csv(book_path)
book_details = df_book[df_book['book_id'] == int(bookid)]
if not len(book_details):
return JsonResponse({'success': False}, status=200)
book_details = json.dumps(book_details.to_dict('records'))
return JsonResponse({
'success': True,
'book_details': book_details
},
status=200)
def user_rate_book(request):
'''
AJAX request when user rates book
'''
if request.method == 'POST' and request.is_ajax():
bookid = request.POST.get('bookid', None)
bookrating = request.POST.get('bookrating', None)
if is_bookid_invalid(bookid) or is_rating_invalid(bookrating):
return JsonResponse({'success': False}, status=200)
# Using Inbuilt Model
query = UserRating.objects.filter(user=request.user).filter(
bookid=bookid)
if not query:
# Create Rating
UserRating.objects.create(user=request.user,
bookid=bookid,
bookrating=bookrating)
else:
# Update Rating
rating_object = query[0]
rating_object.bookrating = bookrating
rating_object.save()
return JsonResponse({'success': True}, status=200)