model for virtual knowledge market

course

class Author:
	def __init__(self,author_id,author_name):
		self.author_id = author_id
		self.author_name = author_name
	def get_id(self):
		return self.author_id
	def get_author_name(self):
		return self.author_name


class Teacher:
	def __init__(self,teacher_id,teacher_name):
		self.teacher_id = teacher_id
		self.teacher_name = teacher_name
	def get_id(self):
		return self.teacher_id
	def get_teacher_name(self):
		return self.teacher_name

class Student:
	def __init__(self,student_id,student_name):
		self.student_id = student_id
		self.student_name = student_name
	def get_id(self):
		return self.student_id
	def get_student_name(self):
		return self.student_name
	def subscribe(self,school_class_instance):
		school_class_instance.add_student(self)


class Course:
	def __init__(self,course_id,course_title,course_price):
		self.course_id = course_id
		self.course_title = course_title
		self.course_price = course_price
		self.reputation = 0
		self.course_authors = []
		self.school = ''
	def get_id(self):
		return self.course_id
	def add_author(self,author_instance):
		self.course_authors.append(author_instance)
	def get_authors(self):
		return self.course_authors
	def get_course_title(self):
		return self.course_title
	def set_course_title(self,course_title):
		self.course_title = course_title
	def set_price(self,price):
		self.course_price = price
	def get_price(self):
		return self.course_price
	def set_reputation(self,rep):
		self.reputation = rep
	def get_reputation(self):
		return self.reputation




class SchoolClass:
	def __init__(self,class_id,course_instance):
		self.class_id = class_id
		self.course = course_instance
		self.students = {}
		self.teachers = {}
		self.marks = {}
	def get_class_id(self):
		return self.class_id
	def add_teacher(self,teacher_instance):
		self.teachers[teacher_instance.get_id()]=teacher_instance
	def add_student(self,student_instance):
		self.students[student_instance.get_id()]=student_instance
	def get_students(self):
		return self.students
	def get_teachers(self):
		return self.teachers
	def get_student_by_id(self,student_id):
		return self.students[student_id]
	def get_teacher_by_id(self,teacher_id):
		return self.teachers[teacher_id]
	def get_instance(self):
		return self
	def set_student_mark(self,student_id,mark):
		self.marks[student_id]=mark
	def get_student_mark(self,student_id):
		return self.marks[student_id]
	def get_class_result(self):
		y=[]
		for x in self.students:
			y.append((x,self.marks[x]))
		return y		
		


class School:
	def __init__(self,school_id,school_name):
		self.school_id = school_id
		self.school_name = school_name
		self.school_class = {}	
		self.reputation = 0

	def get_id(self):
		return self.school_id
	def get_school_name(self):
		return self.school_name
	def add_class(self,school_class_instance):
		self.school_class[school_class_instance.get_class_id()]=school_class_instance
	
	def set_reputation(self,rep):
		self.reputation = rep
	def get_reputation(self):
		return self.reputation

	



		

if __name__=='__main__':

	author1 = Author('A1','Mr. Jones')
	author2 = Author('A2','Royyana')

	student1 = Student('SA1','Arnold Muhren')
	student2 = Student('SA2','Vanenburg')
	student3 = Student('SA3','Wouters')
	
	teacher1 = Teacher('TA1','Mark Jones')
	teacher2 = Teacher('TA2','Mark Wright')



	course1 = Course('C1','science',course_price=250)


	s1class1 = SchoolClass('S1C101',course1)
	s1class1.add_teacher(teacher1)
	s1class1.add_teacher(teacher2)
	s1class1.add_student(student1)
	s1class1.add_student(student2)


	student3.subscribe(s1class1)

	s1 = School('S1','University of Mojopahit')
	s1.add_class(s1class1)