def delete_book():
try:
result = library_view.delete_book()
book_detail = library_model.del_book_available(result)
if book_detail == None:
library_view.book_not_available()
# librarian_option_choice()
delete_book()
else:
pass
id = library_model.delete_book(result)
if id != None:
library_view.delete_book_successfully()
librarian_option_choice()
return #******
else:
library_view.delete_book_failed()
except ValueError:
library_view.librarian_delete_book_error()
delete_book()
# librarian_option_choice()
except:
library_view.unknown_error()
def update_book_details():
try:
result = library_view.update_book_details()
book_detail = library_model.del_book_available(result[3])
if book_detail == None:
library_view.book_not_available()
# librarian_option_choice()
update_book_details()
else:
pass
id = library_model.update_book_details(result[0],result[1],result[2],result[3])
if id != None:
library_view.update_book_successfully()
librarian_option_choice()
return #maindatory
else:
library_view.update_book_failed()
except ValueError:
library_view.update_book_error()
update_book_details()
# librarian_option_choice()
except:
library_view.unknown_error()
def pay_book_fee():
try:
result = library_view.rental_day()
user_detail = library_model.get_user_id(result)
if user_detail == None:
library_view.book_id_not_available()
pay_book_fee()
else:
pass
if user_detail[0] == id and user_detail != None:
library_model.paid_user_fee(user_detail[0]) #3-34-B
library_model.return_book(result) #3-34-C
library_view.get_user_id_successfully(user_detail[0])
user_option_choice()
else:
library_view.get_fee_detail()
pay_book_fee()
except ValueError:
library_view.rental_day_error()
pay_book_fee()
# user_option_choice()
except:
library_view.unknown_error()
def user_registration():
try:
result = library_view.user_registration()
account = library_model.create_user_check(result[3])
if account != None:
library_view.already_exist_user()
# user_registration()
startLMS()
return
id = library_model.create_user(result[0], result[1], result[2],result[3])
if(id > 0): # (id != None)
library_view.user_registeration_successful(id)
else:
library_view.user_registeration_failed() # for same user_name
startLMS()
except ValueError:
library_view.user_error() # for enter valid information
startLMS()
except:
library_view.unknown_error()
startLMS()
def display_available_books():
try:
rows = library_model.display_available_books()
for row in rows:
library_view.display_available_books(row)
startLMS()
except:
library_view.unknown_error()
def notified_librarian_user_rental_day():
try:
u_detail = library_model.notify_librarian_user_day()
library_view.display_notification_for_librarian()
for row in u_detail:
newRow = (row[0],row[1],row[2],row[3].strftime('%d/%m/%Y'))
library_view.display_librarian_user_books_detail(newRow)
except:
library_view.unknown_error()
def notified_rental_day_book():
try:
u_detail = library_model.notify_day(id)
for row in u_detail:
newRow = (row[0],row[1],row[2],row[3].strftime('%d/%m/%Y'))
library_view.display_notification()
library_view.display_user_books(newRow)
# user_option_choice() #***********
# user_option_choice()
except:
library_view.unknown_error()
def add_books():
try:
result = library_view.add_books()
librarian_id = library_model.add_books(result[0], result[1], result[2])
if librarian_id != None:
library_view.add_books_successfully()
librarian_option_choice()
return #********
else:
library_view.add_book_failed()
except:
library_view.unknown_error()
def rental_day():
try:
result = library_view.rental_day() # book_id
details = library_model.get_day(result) # result = book_id, details = [b_rented_date, b_rented_user]// [0],[1]
if details == None:
library_view.no_book_issue()
user_option_choice()
# rental_day()
else:
pass
if id != details[1]: # if user enter other user's book -id its get invalid information
library_view.get_fee_detail()
return rental_day()
else:
pass
if details != None: #.......3-33-B. Get total fine of user who issued book from library
# get - fine
#if fine > 0, update fine in db
#If ok.. successful return book
#else not successul
today_date = date.today()
rdelta = today_date - details[0] # detail[0] = b_rented_date= rdelta= yyyy-mm-dd formate
total_fee_value = total_fine(rdelta.days) # res = total amount of fine// rdelta.days convert rdelta into days int formate//
user_fee_update = library_model.update_user_fee(total_fee_value, details[1]) #detail[1] = b_rented_user= user_id #3-33-B update_user_fee
if user_fee_update != None:
library_view.update_user_fee_success(total_fee_value) # total_fee_value = how many rs
user_option_choice()
else:
library_view.update_user_fee_failed()
else:
library_view.show_get_day_failed()
except ValueError:
library_view.rental_day_error()
user_option_choice()
# rental_day()
except:
library_view.unknown_error()
user_option_choice()
def user_issue_book():
try:
# today_date = date.today()
result = library_view.user_issue_book()
u_id = library_model.user_issue_book(id,result)
if u_id > 0:
library_view.user_issue_book_successfully()
user_option_choice()
return #*********
else:
library_view.user_isuue_book_failed()
user_option_choice()
return #******
except ValueError:
library_view.user_issue_book_error()
user_issue_book()
except:
library_view.unknown_error()
def librarian_login():
try:
result = library_view.librarian_login()
account = library_model.librarian_login(result[0], result[1])
if account != None:
library_view.librarian_login_successful(account[1])
global is_librarian
is_librarian = True
global id
id = account[0]
notified_librarian_user_rental_day()
librarian_option_choice()
return #*********
else:
library_view.librarian_login_failed()
librarian_login()
except:
library_view.unknown_error()
def update_user_details():
try:
result = library_view.update_user_details()
# id = library_model.update_user_details(result[0],result[1],result[2])
u_id = library_model.update_user_details(result[0],result[1],result[2],id)
# if id != None:
if u_id > 0:
library_view.update_user_successfully()
else:
library_view.update_user_failed()
except ValueError:
library_view.user_error()
update_user_details()
# user_option_choice() # create option choise to exit or continue
except:
library_view.unknown_error()
user_option_choice()
return # ***********
def user_login():
try:
result = library_view.user_login()
account = library_model.user_login(result[0], result[1])
if account != None:
library_view.user_login_successful(account[1])
# library_view.display_user_books()
global id
id = account[0]
notified_rental_day_book()
user_option_choice()
return #********
else:
library_view.user_login_failed()
user_login()
except:
library_view.unknown_error()
def delete_user():
try:
result = library_view.delete_user()
account = library_model.delete_user_error(result)
if account == None:
library_view.del_user_error()
delete_user()
else:
pass
id = library_model.delete_user(result)
if id != None:
library_view.delete_user_successfully()
librarian_option_choice()
return # maindatory
else:
library_view.delete_user_failed()
except ValueError:
library_view.delete_user_error()
delete_user()
except:
library_view.unknown_error()
def librarian_registration():
try:
result = library_view.librarian_registration()
account = library_model.create_librarian_check(result[3])
if account != None:
library_view.already_exist_librarian()
# library_view.exit()
startLMS()
return
id = library_model.create_librarian(result[0],result[1],result[2],result[3])
if(id != None):
library_view.librarian_registration_successful(id)
else:
library_view.librarian_registration_failed()
startLMS()
except ValueError:
library_view.user_error() # for enter valid information
startLMS()
except:
library_view.unknown_error()
startLMS()