class Klas(db.Entity):
id = PrimaryKey(int, auto=True)
studying = Optional('Studying')
number = Optional(int)
date_set = Required(datetime)
letter = Required(str)
direction = Required('Direction')
syllabus = Required('Syllabus')
students = []
class Studying(db.Entity):
id = PrimaryKey(int, auto=True)
hour = Optional(int)
klas = Optional('Klas')
syllabus = Optional('Syllabus')
subject = Optional('Subject')
teacher = Optional('Teacher')
subtheme = Optional('Subtheme')
sub_theme = []
class Subtheme(db.Entity):
id = PrimaryKey(int, auto=True)
studying = Optional('Studying')
topic = Optional('Topic')
class Result(db.Entity):
id = PrimaryKey(int, auto=True)
student = Optional('Student')
mark = Required(int)
datemark = Optional(datetime.datetime)
topic = Optional('Topic')
class Student(Human):
id = PrimaryKey(int, auto=True)
result = Optional('Result')
date = Required(datetime)
class Topic(db.Entity):
id = PrimaryKey(int, auto=True)
result = Optional('Result')
subtheme = Optional('Subtheme')
name_topic = Required(str)
class Syllabus(db.Entity):
id = PrimaryKey(int, auto=True)
studying = Optional('Studying')
klas = Optional('Klas')
start = Required(str)
finish = Required(str)
class Teacher(Human):
id = PrimaryKey(int, auto=True)
subject = Optional('Subject')
studying = Optional('Studying')
class Subject(db.Entity):
id = PrimaryKey(int, auto=True)
item_name = Required(str)
studying = Optional('Studying')
teacher = Optional('Teacher')