def IsOwnBookAndId(own_book_id, user_id):
session = Session()
own_book = session.query(Own_Book).filter(Own_Book.id == own_book_id)
session.commit()
if (own_book.count() == 0):
return False
return own_book.first().user_id == int(user_id)
def BooksForUser(user_id): #応用機能
AutoUpdateLendInfo()
session = Session()
booklist = session.query(Book).all()
session.commit()
borrowset = Borrowing(user_id)
store = []
if booklist != []:
for book in booklist:
if not IsOwn(user_id, book.id):
status = "still"
deadline = None
if book.id in borrowset:
status = "borrowing"
deadline = GetDeadLine(user_id, book.id)
store.append({
"id": book.id,
"name": book.name,
"price": book.price,
"image": book.image,
"info": book.info,
"auther": book.auther,
"url": book.url.split(','),
"status": status,
"deadline": deadline
})
return store
def GetLenderId(user_id_data, book_id_data):
session = Session()
borrowed_list = session.query(Lend_info).filter(
Lend_info.borrower_id == user_id_data) # 以前に貸し出された本のリスト
# 貸し出されたリストの中から、今回の本のidを探索する
borrowed_data_list = []
for borrowed in borrowed_list:
list = []
list.append(borrowed.id)
ower_user_id, ower_book_id = GetLendUserAndBookIdByOwnBookId(
borrowed.own_book_id) # own_book_idから情報を取得
list.append(ower_user_id)
list.append(ower_book_id)
borrowed_data_list.append(list)
session.commit()
#print(borrowed_data_list) # [[lend_id,ower_user_id,ower_book_id][...]]
# 過去に貸し出されたかどうかを探す
for i in range(len(borrowed_data_list)):
if borrowed_data_list[i][2] == book_id_data: # 貸し出しの履歴の中に本の履歴があったら
lend_user_id = borrowed_data_list[i][1]
print("貸してくれた人：", lend_user_id, "｜貸し出された本", book_id_data)
return lend_user_id
# 貸し出されていなかった場合
print("貸し出されていなかったです。")
return None
def IsOwn(user_id, book_id): #所有判定
session = Session()
own_inf = session.query(Own_Book).filter(Own_Book.user_id == user_id,
Own_Book.book_id == book_id)
session.commit()
if own_inf.count() == 0:
return False
return True
def IsLending(own_book_id):
session = Session()
user_lend_info = session.query(Lend_info).filter(
and_(Lend_info.is_valid, Lend_info.own_book_id == own_book_id))
session.commit()
if (user_lend_info.count() == 0):
return False
return True
def IsContainBook(own_book_id, book_id):
session = Session()
cnt = session.query(Own_Book).filter(Own_Book.id == own_book_id,
Own_Book.book_id == book_id).count()
session.commit()
if cnt == 0:
return False
return True
def IsHaveBook(book_id, user_id):
session = Session()
cnt = session.query(Own_Book).filter(Own_Book.book_id == book_id,
Own_Book.user_id == user_id).count()
session.commit()
if cnt == 0:
return False
return True
def IsOwnBook(own_book_id, book_id):
session = Session()
own_info = session.query(Own_Book).filter(Own_Book.id == own_book_id,
Own_Book.book_id == book_id)
session.commit()
if own_info.count() == 0:
return False
return True
def AddNotification(user_id_data,message_data): # 通知を追加する
session = Session()
now_date = (datetime.datetime.now())
now_date_str = now_date.strftime('%Y/%m/%d %H:%M:%S.%f')
session.add_all([
Notification( user_id = user_id_data , message = message_data ,created_at = now_date_str)
])
session.commit()
print("通知の追加が完了しました")
def GetNotificationByUserId(user_id): #全ての通知を取得する
session = Session()
notification = session.query(Notification).filter(Notification.user_id == user_id)
session.commit()
notification_list = []
if notification != []:
for noti in notification:
notification_list.append( {"user_id":noti.user_id,"message":noti.message,"created_at":noti.created_at})
notification_list.reverse() # 通知を反転する（上が新しい物にする）
print(notification_list)
return notification_list
def GetDeadLine(borrower_id, book_id):
session = Session()
lend_info = session.query(Lend_info).filter(
Lend_info.is_valid, Lend_info.borrower_id == borrower_id).all()
session.commit()
if lend_info != []:
for lend in lend_info:
if IsOwnBook(lend.own_book_id, book_id):
return lend.deadline
return "no date"
def CntLendBook(book_id):
session = Session()
own_list = session.query(Own_Book).filter(
Own_Book.book_id == book_id).all()
cnt = 0
if own_list != []:
for own in own_list:
cnt += session.query(Lend_info).filter(
Lend_info.own_book_id == own.id).count()
session.commit()
return cnt
def GetOwnBookIDByUseridAndBookid(user_id, book_id):
session = Session()
own_book_list = session.query(Own_Book).filter(
Own_Book.user_id == user_id, Own_Book.book_id == book_id).all()
if own_book_list == []:
return "Non"
else:
for own_book in own_book_list:
own_book_id = own_book.id
print(own_book_id)
session.commit()
return own_book_id
def Borrowing(borrower_id):
session = Session()
lend_info = session.query(Lend_info).filter(
Lend_info.is_valid, Lend_info.borrower_id == borrower_id).all()
session.commit()
bookset = set()
if lend_info != []:
for lend in lend_info:
own_book = GetBookIdByOwn(lend.own_book_id)
if own_book != []:
bookset.add(own_book[0].book_id)
return bookset
def IsSameBookLending(borrower_id, book_id):
session = Session()
lend_info = session.query(Lend_info).filter(
Lend_info.borrower_id == borrower_id).all()
session.commit()
if lend_info == []:
return False
for lend in lend_info:
if IsContainBook(lend.own_book_id, book_id):
return True
return False
def AllBooks(): #基本機能全てを出す
session = Session()
booklist = session.query(Book).all()
session.commit()
store = []
if booklist != []:
for book in booklist:
store.append({
"id": book.id,
"name": book.name,
"price": book.price,
"image": book.image,
"info": book.info,
"auther": book.auther,
"url": book.url.split(',')
})
return store
def AutoUpdateLendInfo():
session = Session()
lend_info = session.query(Lend_info).filter(
Lend_info.is_valid,
# datetime.datetime.now() > datetime.datetime.strptime(Lend_info.deadline, '%Y/%m/%d %H:%M:%S')
# ).query.update({ is_valid: False })
).all()
if lend_info != []:
for lend in lend_info:
if IsLendInfoUpdate(lend):
print("Update " + str(lend.id) + "\n")
lend.is_valid = False
own_info = GetBookIdByOwn(lend.own_book_id)
user_id = own_info[0].user_id
book_id = own_info[0].book_id
borrower_id = lend.borrower_id
AddNotificationInAutoReturn(user_id, borrower_id, book_id)
session.commit()
def CntOwnBook(book_id):
session = Session()
cnt = session.query(Own_Book).filter(Own_Book.book_id == book_id).count()
session.commit()
return cnt
def AddOwnBooks(user_id_data, book_id_data):
#own_bookにデータを追加する
session = Session()
session.add_all([Own_Book(user_id=user_id_data, book_id=book_id_data)])
print("購入ができました")
session.commit()
def GetBookById(book_id):
session = Session()
book = session.query(Book).filter(Book.id == book_id).all()
session.commit()
return book #リスト
def AddPoint(user_id, add_point):
session = Session()
session.query(User).filter(User.id == user_id).update(
{User.point: User.point + add_point})
session.commit()
def GetOwnBookById(own_book_id):
session = Session()
own_book = session.query(Own_Book).filter(Own_Book.id == own_book_id).all()
session.commit()
return own_book #リスト
def GetBookIdByOwn(own_id):
session = Session()
booklist = session.query(Own_Book).filter(Own_Book.id == own_id).all()
session.commit()
return booklist
def GetBookListByUser(user_id):
session = Session() #こちらの方が適切かもしれない
#Lend_infoの更新関数をここで呼び出す予定............................................................................................
AutoUpdateLendInfo()
#is_validを利用して判断する．
#貸し出し中の本( いらないかも )
user_lend_info_valid = session.query(Lend_info).filter(
and_(Lend_info.is_valid,
# IsOwnBookAndId( Lend_info.own_book_id, user_id )
)).all()
user_lend_info = []
if user_lend_info_valid != []:
for user_lend in user_lend_info_valid:
if IsOwnBookAndId(user_lend.own_book_id, user_id):
user_lend_info.append(user_lend)
#借りている本
user_borrow_info = session.query(Lend_info).filter(
and_(Lend_info.is_valid, Lend_info.borrower_id == user_id)).all()
booklist_user = session.query(Own_Book).filter(
and_(Own_Book.user_id == user_id,
# not IsLending( Own_Book.id )
)).all()
booklist = []
if booklist_user != []:
for book in booklist_user:
if not IsLending(book.id):
booklist.append(book)
session.commit()
str = []
print(booklist)
print(user_lend_info)
print(user_borrow_info)
if booklist != []:
books = ChangeBooksFromOwnBook(booklist)
for book in books:
str.append({
"id": book.id,
"name": book.name,
"price": book.price,
"image": book.image,
"info": book.info,
"auther": book.auther,
"url": book.url.split(','),
"status": "having",
"deadline": None
})
# print(str)
if user_borrow_info != []:
books = ChangeBooksFromLendInfo(user_borrow_info)
for book_info in books:
book = book_info["book"]
str.append({
"id": book.id,
"name": book.name,
"price": book.price,
"image": book.image,
"info": book.info,
"auther": book.auther,
"url": book.url.split(','),
"status": "borrowing",
"deadline": book_info["deadline"]
})
#print(str)
if user_lend_info != []:
books = ChangeBooksFromLendInfo(user_lend_info)
for book_info in books:
book = book_info["book"]
str.append({
"id": book.id,
"name": book.name,
"price": book.price,
"image": book.image,
"info": book.info,
"auther": book.auther,
"url": book.url.split(','),
"status": "lending",
"deadline": book_info["deadline"]
})
#print(str)
return str
