def get_book_recommendation():
user = Users.objects(username=session['user']).get()
genres = []
ignore_books = []
for shelf in user.shelves:
for book in shelf.shelved_books:
ignore_books.append(book['id'])
for genre in book.genres:
genres.append(genre)
genres = list(dict(Counter(genres).most_common()).keys())
books = None
if len(ignore_books) > 0:
if len(genres) > 5:
genres = genres[:5]
books = Books.objects(
Q(avg_rating__gte=4.5) & Q(genres__in=list(genres))
& Q(id__nin=list(set(ignore_books)))).only('book_title', 'id',
'cover_image',
'authors', 'genres',
'avg_rating').to_json()
else:
books = Books.objects(avg_rating__gte=4.5).only(
'book_title', 'id', 'cover_image', 'authors', 'genres',
'avg_rating').to_json()
books = json.loads(books)
books = random.sample(books, 8)
return jsonify({"rec": json.dumps(books)})
def delete_book():
id = request.get_json()['id']
try:
Books.objects(id=id).get().delete()
except DoesNotExist:
return jsonify({'result': "Book Doesn't exist"})
return jsonify({'result': 'Book Deleted'})
def get_genre_recommendation():
cluster = Users.objects(username=session['user']).get().cluster
genres = []
for gens in Books.objects(cluster=cluster).only('genres'):
genres += gens.genres
genres = list(dict(Counter(genres).most_common()).keys())
return jsonify({'result': genres[:6]})
def remove_review():
book = request.get_json()['book']
book = Books.objects(id=book).get()
book.reviews.remove(book.reviews.get(username=session['user']))
book.save()
Users.objects(username=session['user']).get().history.remove(book).save()
return jsonify({'result': True})
def remove_shelf_book():
book = request.get_json()['book']
shelf = request.get_json()['shelf']
user = Users.objects(username=session['user']).get()
user.shelves.get(shelf_title=shelf).shelved_books.remove(
Books.objects(id=book).get())
user.save()
return jsonify({'result': True})
def add_book_to_shelf():
shelf = request.get_json()['shelf']
book = request.get_json()['book']
user = Users.objects(username=session['user']).get()
book = Books.objects(id=book).get()
if book not in user.shelves.get(shelf_title=shelf).shelved_books:
user.shelves.get(shelf_title=shelf).shelved_books.append(book)
user.save()
return jsonify({"result": 'Book Added'})
return jsonify({"result": 'Book already present inside shelf'})
def search_book():
title = request.args.get('title', default=None, type=str)
genre = request.args.get('genre', default=None, type=str)
author = request.args.get('author', default=None, type=str)
books = None
if title != None:
books = Books.objects(
book_title__icontains=title).order_by('-avg_rating')
elif genre != None:
books = Books.objects(genres__icontains=genre).order_by('-avg_rating')
elif author != None:
books = Books.objects(
authors__icontains=author).order_by('-avg_rating')
lim = 10
total = books.count()
if total % lim != 0:
total = int(total / lim) + 1
else:
total = int(total / lim)
if 'user' in session:
user = Users.objects(username=session['user']).get()
shelves = []
for shelf in user['shelves']:
shelves.append(shelf['shelf_title'])
return jsonify({
"books": books.to_json(),
"total": total,
"shelves": shelves
})
return jsonify({"books": books.to_json(), "total": total})
def recommend_books_by_personality():
data = Users.objects(username=session['user']).only(
'personality_index', 'cluster', 'shelves').get()
if data['cluster'] == -1:
return jsonify({'nope': 'You have not gotten your personality yet'})
per = data['personality_index']
books = Books.objects(cluster=data['cluster']).aggregate(*[
# {
# '$project': {
# 'id': 1,
# 'book_title': 1,
# 'cover_image': 1,
# 'avg_rating': 1,
# 'genres': 1,
# 'authors': 1,
# 'personality_index': 1
# }
# },
{
'$sample': {
'size': 5
}
}
])
books = list(books)
dis = {}
up = tuple(per.values())
for x in range(len(books)):
bp = tuple(books[x]['personality_index'].values())
dis[x] = distance.euclidean(up, bp)
dis = sorted(dis.items(), key=lambda x: x[1])
sorted_books = []
for x in dis:
oid = str(books[x[0]]['_id'])
del books[x[0]]['_id']
books[x[0]]['_id'] = {'$oid': oid}
sorted_books.append(books[x[0]])
shelves = []
for shelf in data['shelves']:
shelves.append(shelf['shelf_title'])
return jsonify({"books": sorted_books, "total": 1, "shelves": shelves})
def update_book():
data = request.get_json()['data']
book = Books.objects(id=data['id']).get()
book.book_title = data['book_title']
book.description = data['description']
book.authors = data['authors']
book.genres = data['genres']
book.links = data['links']
book.cover_image = data['cover_image']
book.extra_details = data['extra_details']
book.save()
return jsonify({'result': 'Book Updated'})
def get_book(id):
try:
book = Books.objects(id=id).get()
except:
return jsonify({"err": "Book not found"})
if 'user' in session:
user = Users.objects(username=session['user']).get()
shelves = []
for shelf in user['shelves']:
shelves.append(shelf['shelf_title'])
return jsonify({"book": book.to_json(), "shelves": shelves})
return jsonify({"book": book.to_json()})
def get_genres():
genres = Books.objects().distinct('genres')
dic = {}
for alp in 'a b c d e f g h i j k l m n o p q r s t u v w x y z'.split():
dic[alp.upper()] = []
gen = []
for genre in genres:
if genre.lower()[0] == alp:
if len(gen) < 14:
gen.append(genre)
else:
dic[alp.upper()].append(gen)
gen = []
if len(gen) > 0:
dic[alp.upper()].append(gen)
return jsonify({'genreResults': dic})
def add_review():
review = request.get_json()['review']
book = request.get_json()['book']
user = Users.objects(username=session['user']).only(
'username', 'profile_pic').get()
book = Books.objects(id=book).get()
try:
book.reviews.get(username=session['user'])['review_text'] = review
except DoesNotExist:
book.reviews.append(
Reviews(username=user['username'],
profile_pic=user['profile_pic'],
review_text=review))
book.save()
return jsonify({"result": True})
def rate_book():
book_id = request.get_json()['book']
rating = request.get_json()['rating']
book = Books.objects(id=book_id).get()
user = Users.objects(username=session['user']).get()
try:
book.reviews.get(username=session['user'])['rating'] = rating
book.reviews.get(
username=session['user'])['created'] = datetime.utcnow()
except DoesNotExist:
book.reviews.append(
Reviews(username=user['username'],
profile_pic=user['profile_pic'],
rating=rating))
user.history.append(book)
book.save()
return jsonify({"result": True})