def recommend_by_author(author, number, book_id):
df = Recommend.get_recommend_list()
# Get total number of books written by this author
available_num = df['authors'].value_counts()
if available_num[author] == 1: return []
# Sort the dataframe by authors and popular grade
df = df.sort_values(by=['authors', 'popular'], ascending=False)
counter = 0
result = []
for item in df.iterrows():
if counter == number: break
# Do not recommend current reference book
if item[1]['authors'] == author and item[1]['id'] != book_id:
book = Book(item[1]['id'])
info = book.get_info()
# Return information which need for front-end
temp = {
'book_id': item[1]['id'],
'author': item[1]['authors'],
'categories': item[1]['categories'],
'popular': item[1]['popular'],
'title': info.title,
'book_cover_url': info.book_cover_url
}
result.append(temp)
counter += 1
return result
def get_read_history_by_date(user_id, year, month):
# set default start date
start_date = str(year) + "-" + str(month) + "-01 00:00:00"
# set default finish date
if month is 12:
finish_date = str(year) + "-" + str(1) + "-01 00:00:00"
else:
finish_date = str(year) + "-" + str(month + 1) + "-01 00:00:00"
# date -> timestamp
start_timestamp = int(
time.mktime(time.strptime(start_date, "%Y-%m-%d %H:%M:%S"))) * 1000
finish_timestamp = int(
time.mktime(time.strptime(finish_date,
"%Y-%m-%d %H:%M:%S"))) * 1000
collection_id = Collection.get_readcollection_id(user_id)
# SQL
conn = connect_sys_db()
query = "SELECT book_id FROM collects WHERE collection_id = \'{collection_id}\'".format(
collection_id=collection_id)
db_result = read_sql(sql=query, con=conn)
json_str = db_result.to_json(orient='index')
ds = json.loads(json_str)
result = []
for index in ds:
finish_date = Collection.get_book_read_date(
user_id, ds[index]['book_id'])
# Compare finish time to make sure whether this book is finished in this month
if start_timestamp <= finish_date < finish_timestamp:
ds[index]['finish_time'] = finish_date
book = Book(ds[index]['book_id'])
ds[index]['book_title'] = book.get_info().title
ds[index]['book_cover_url'] = book.get_info().book_cover_url
result.append(ds[index])
return result
def get_read_history(user_id):
collection_id = Collection.get_readcollection_id(user_id)
# SQL
conn = connect_sys_db()
query = "SELECT book_id FROM collects WHERE collection_id = \'{collection_id}\'".format(
collection_id=collection_id)
db_result = read_sql(sql=query, con=conn)
json_str = db_result.to_json(orient='index')
ds = json.loads(json_str)
result = []
for index in ds:
finish_date = Collection.get_book_read_date(
user_id, ds[index]['book_id'])
# Add book's finish_time and title and cover_url to result
ds[index]['finish_time'] = finish_date
book = Book(ds[index]['book_id'])
ds[index]['book_title'] = book.get_info().title
ds[index]['book_cover_url'] = book.get_info().book_cover_url
# Reformat result need for front-end
# timeArray = time.strptime(finish_date, "%Y-%m-%d %H:%M:%S")
date = datetime.datetime.fromtimestamp(int(finish_date) / 1000)
target, finish_num, finish_flag = Collection.get_tag(
user_id, date.year, date.month)
ds[index]['tag'] = {
'target': target,
'finish_num': finish_num,
'finish_flag': finish_flag
}
result.append(ds[index])
return result
def recommend_by_publishedDate(publishedDate, number, book_id):
df = Recommend.get_recommend_list()
# Format the published_date column in the dataframe
df = df[df['published_date'].str.contains(publishedDate)]
# Sort by popular grade
df = df.sort_values(by=['popular'], ascending=False)
counter = 0
result = []
for item in df.iterrows():
if counter == number: break
# Do not recommend the reference book
if item[1]['id'] != book_id:
book = Book(item[1]['id'])
info = book.get_info()
# Return information which need for front-end
temp = {
'book_id': item[1]['id'],
'author': item[1]['authors'],
'categories': item[1]['categories'],
'popular': item[1]['popular'],
'title': info.title,
'book_cover_url': info.book_cover_url
}
result.append(temp)
counter += 1
return result
def get(self):
# Get page and book_id from parser
args = search_parser.parse_args()
page = args.get('page')
rating_from = args.get('rating_from')
rating_to = args.get('rating_to')
category = args.get('category')
# Default rating filter is 0 to 5
if rating_from is None:
rating_from = 0
if rating_to is None:
rating_to = 5
if rating_to < rating_from:
return {'message': 'Wrong rating range'}, 201
content, category = Book.book_search_regex(args.get('search_content'),
args.get('category'))
page_num, last_page_num, total_result_num, all_result = Book.get_book_search_page_num(
content, category, rating_from, rating_to, 15)
# Index out of range
if page <= 0 or page > page_num:
return {'message': 'Resource not found'}, 404
result = Book.get_book_search_page(content, 15, page, page_num,
last_page_num, total_result_num,
all_result)
return {
'total_page_num': page_num,
'current_page': page,
'total_result_num': int(total_result_num),
'result': result
}, 200
def get(self, book_id):
book = Book(book_id)
detail = book.get_info()
if detail is None:
return {'message': 'Resource not found'}, 404
else:
avg_rating = Review.get_book_average_rating(book_id)
review_preview = Review.get_book_review_from_to(book_id, 0, 2)
num_rated = Review.get_book_num_rating(book_id)
return {
'book_id': int(detail.id),
'title': detail.title,
'authors': detail.authors,
'publisher': detail.publisher,
'published_date': detail.published_date,
'description': detail.description,
'ISBN13': int(detail.ISBN13),
'categories': detail.categories,
'google_rating': float(detail.google_rating),
'google_ratings_count': int(detail.google_ratings_count),
'book_cover_url': detail.book_cover_url,
'language': detail.language,
'avg_rating': avg_rating,
'num_rated': num_rated,
'review_preview': review_preview,
'read_times': int(book.get_read_times())
}, 200
def get(self):
args = book_parser.parse_args()
book_id = args.get('book_id')
book = Book(book_id)
# Get reference book's published date
published_date = book.get_info().published_date
result = Recommend.recommend_by_publishedDate(published_date[0:3], 6, book_id)
if not result:
return {'message': 'There is no more book similar with this book, try another mode'}, 200
return {'books': result}, 200
def get(self):
args = book_parser.parse_args()
book_id = args.get('book_id')
book = Book(book_id)
# Get reference book's author
author = book.get_info().authors
result = Recommend.recommend_by_author(author, 6, book_id)
if not result:
return {'message': 'There is no more book similar with this book, try another mode'}, 200
return {'books': result}, 200
def get_user_reviews(user_id):
# SQL
conn = connect_sys_db()
query = "SELECT user_id, username, book_id, rating, review_content, review_time FROM review_rate WHERE user_id = \'{user_id}\' ORDER BY review_time DESC".format(
user_id=user_id)
db_result = read_sql(sql=query, con=conn)
json_str = db_result.to_json(orient='index')
ds = json.loads(json_str)
result = []
for index in ds:
# Add book's title and cover to result list
book = Book(ds[index]['book_id'])
ds[index]['book_title'] = book.get_info().title
ds[index]['book_cover_url'] = book.get_info().book_cover_url
result.append(ds[index])
return result
def post(self):
# Get user_id from token
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get book_id from parser
args = read_parser.parse_args()
book_id = args.get('book_id')
# Get current year and month
now_year = int(datetime.datetime.now().strftime("%Y"))
now_month = int(datetime.datetime.now().strftime("%m"))
if args.get('year') > now_year or args.get('year') < 1900:
return {'message': 'Invalid year'}, 401
if args.get('month') > 12 or args.get('month') < 1:
return {'message': 'Invalid month'}, 401
if args.get('year') == now_year and args.get('month') > now_month:
return {'message': 'Invalid month'}, 401
date = str(args.get('year')) + "-" + str(args.get('month'))
if Collection.is_book_read(user_id, book_id):
return {'message': 'This book is already been marked as read'}
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
try:
Collection.mark_as_read(user_id, book_id, date)
except pymysql.Error as e:
return {'message': e.args[1]}, 500
return {'message': 'Mark successfully'}, 200
def post(self):
# Get user's id from token
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get book_id and content from json input
info = request.json
book_id = info['book_id']
rating = info['rating']
content = info['content']
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
if not Collection.is_book_read(user_id, book_id):
return {
'message':
'You can only review and rate after you read the book'
}, 401
# input cannot be empty string
if book_id is None or rating is None or content == "":
return {'message': 'Rating or review content cannot be empty'}, 401
try:
if Review.new_review(user_id, book_id, rating, content):
return {'message': 'Post new review successfuly'}, 200
else:
return {'message': 'Review already existed'}, 401
except pymysql.Error as e:
return {'message': e.args[1]}, 500
def get(self):
# Get book_id and user_id from parser
args = review_parser.parse_args()
book_id = args.get('book_id')
user_id = args.get('user_id')
# If user does not exist
if (not User.is_user_exists_by_id(user_id)) and (user_id != None):
return {'message': 'Resource not found'}, 404
# if book does not exist
if (not Book.is_book_exists_by_id(book_id)) and (book_id != None):
return {'message': 'Resource not found'}, 404
# show reviews posted by certain user by only input user_id
if (book_id == None and user_id != None):
result = Review.get_user_reviews(user_id)
return {'reviews': result}, 200
# show reviews of certain book by only input book_id
elif (book_id != None and user_id == None):
result = Review.get_book_review(book_id)
return {'reviews': result}, 200
# show reviews posted by certain user of certain book by input both id
elif (book_id != None and user_id != None):
result = Review.get_book_user_review(user_id, book_id)
return {'reviews': result}, 200
# book_id and user_id cannot be both empty
elif (book_id == None and user_id == None):
return {'message': 'book_id and user_id cannot be both empty'}, 400
def get_recent_added_books(user_id):
conn = connect_sys_db()
query = "SELECT book_id, max(collect_time) as latest FROM collections \
JOIN collects ON collections.id = collects.collection_id WHERE user_id = \'{user_id}\' \
AND name != 'read' GROUP BY book_id ORDER BY latest DESC".format(
user_id=user_id)
db_result = read_sql(sql=query, con=conn)
json_str = db_result.to_json(orient='index')
ds = json.loads(json_str)
result = []
for index in ds:
book = Book(ds[index]['book_id'])
book_info = book.get_info()
# Add book's title and cover_url to result
ds[index]['title'] = book_info.title
ds[index]['book_cover_url'] = book_info.book_cover_url
result.append(ds[index])
return result
def put(self):
# Get collection_id and book_id from parser
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get args from parser
args = collection_move_parser.parse_args()
new_collection_id = args.get('new_collection_id')
old_collection_id = args.get('old_collection_id')
book_id = args.get('book_id')
if not (Collection.is_collection_exists_by_both_id(
user_id, new_collection_id)
and Collection.is_collection_exists_by_both_id(
user_id, old_collection_id)):
return {'message': 'Resource not found'}, 404
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
if not Book.is_book_exists_in_collection(old_collection_id, book_id):
return {'message': 'Resource not found'}, 404
if Book.is_book_exists_in_collection(new_collection_id, book_id):
return {
'message':
'This book already existed in the collection you want to move to'
}, 401
if old_collection_id == Collection.get_readcollection_id(
user_id
) or new_collection_id == Collection.get_readcollection_id(user_id):
return {
'message': 'You cannot move in or out books in Read collection'
}, 401
try:
collection = Collection(old_collection_id)
collection.move_book_to_another_collection(new_collection_id,
book_id)
return {
'message': 'Move book to another collection successfully'
}, 200
except pymysql.Error as e:
return {'message': e.args[1]}, 500
def get(self):
# Get user_id from token
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get book_id from parser
args = read_id_parser.parse_args()
book_id = args.get('book_id')
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
read_flag = Collection.is_book_read(user_id, book_id)
review_flag = Review.is_review_exist_by_both_id(user_id, book_id)
return {'read': read_flag, 'review': review_flag}, 200
def delete(self):
# Get book_id and user_id from parser
args = delete_parser.parse_args()
book_id = args.get('book_id')
user_id = args.get('user_id')
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
if not Review.is_review_exist_by_both_id(user_id, book_id):
return {'message': 'Resource not found'}, 404
try:
Review.delete_review(user_id, book_id)
except pymysql.Error as e:
return {'message': e.args[1]}, 500
return {'message': 'Delete review successfully'}, 200
def post(self):
# Get user_id from token
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get book_id from parser
args = read_id_parser.parse_args()
book_id = args.get('book_id')
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
if not Collection.is_book_read(user_id, book_id):
return {'message': 'This book is not been marked as read yet'}
try:
Collection.mark_as_unread(user_id, book_id)
if Review.is_review_exist_by_both_id(user_id, book_id):
Review.delete_review(user_id, book_id)
except pymysql.Error as e:
return {'message': e.args[1]}, 500
return {'message': 'Mark successfully'}, 200
def delete(self):
# Get collection_id and book_id from parser
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get collection_id and book_id from parser
args = collection_add_book_parser.parse_args()
collection_id = args.get('collection_id')
book_id = args.get('book_id')
if not Collection.is_collection_exists_by_both_id(
user_id, collection_id):
return {'message': 'Resource not found'}, 404
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
collection = Collection(collection_id)
if collection.delete_book_in_collection(args.get('book_id')):
return {'message': 'Delete book successfully'}, 200
else:
return {'message': 'Resource not found'}, 404
def post(self):
# Get collection_id and book_id from parser
token = request.headers.get('AUTH-TOKEN')
token_info = jwt.decode(token, SECRET_KEY, algorithms='HS256')
user_id = token_info['id']
# Get args from parser
args = collection_add_book_parser.parse_args()
collection_id = args.get('collection_id')
book_id = args.get('book_id')
# Check user is adding book to their own collections
if not Collection.is_collection_exists_by_both_id(
user_id, collection_id):
return {'message': 'Resource not found'}, 404
# Check if book existed
if not Book.is_book_exists_by_id(book_id):
return {'message': 'Resource not found'}, 404
collection = Collection(collection_id)
flag, message = collection.add_book_to_collection(args.get('book_id'))
return {'message': message}, flag
def get(self):
return {'books': Book.get_popular_book()}, 200
def get(self):
return {'categories': Book.get_categories_list()}, 200