class App:
def __init__(self):
self.db = DbManager()
def initApp(self):
while True:
print(" Menu ".center(50, '*'))
print(
"1- List Students\n2- Add Student\n3- Update Student\n4- Delete Student\n5- Exit\n"
)
choice = input("Your Choice: ")
if choice == '1':
self.displayStudents()
elif choice == '2':
self.addStudent()
elif choice == '3':
self.updateStudent()
elif choice == '4':
self.deleteStudent()
elif choice == '5':
self.db.closeConnection()
break
else:
print("Only 1-2-3-4-5")
def displayClasses(self):
for i in self.db.getClasses():
print(f"{i.id}- {i.name}")
def displayStudents(self):
self.displayClasses()
classid = int(input('*** Enter Class ID: '))
students = self.db.getStudentByClassId(classid)
print(" Student List ".center(25, '*'))
for i in students:
print(f"{i.id}- {i.name} {i.surname}")
def addStudent(self):
self.displayClasses()
classid = int(input('*** Enter Class ID: '))
number = input("Studen Number: ")
name = input("Name: ")
surname = input("Surname: ")
birthdate = input("Birthdate (YYYY,MM,DD): ")
gender = input("Gender (M,F): ")
student = Students(None, number, name, surname, birthdate, gender,
classid)
self.db.addStudent(student)
def updateStudent(self):
self.displayStudents()
studentid = int(input("Student ID: "))
student = self.db.getStudentById(studentid)
print(student[0].name, student[0].surname)
student[0].name = input('Name: ') or student[0].name
student[0].surname = input('Surname: ') or student[0].surname
student[0].birthdate = input(
'Birthdate (YYYY,MM,DD): ') or student[0].birthdate
student[0].gender = input('Gender: ') or student[0].gender
student[0].classid = input('Class ID: ') or student[0].classid
self.db.updateStudent(student[0])
def deleteStudent(self):
self.displayStudents()
studentid = int(input("Student ID: "))
self.db.deleteStudent(studentid)
