SchoolSystemFactory and SchoolContract Explanation

SchoolSystemFactory Contract

Overview:

• The SchoolSystemFactory contract is responsible for deploying instances of the SchoolSystem contract.
• It keeps track of deployed SchoolSystem contracts by storing their addresses in the deployedSchoolSystems array.

Functions:

1. createSchoolSystem:

   • Function to deploy a new instance of the SchoolSystem contract.
   • Accepts parameters name and symbol for the name and symbol of the associated KIP17 token.
   • Emits an event SchoolSystemDeployed after deployment.

2. getDeployedSchoolSystemsCount:

   • View function to get the number of deployed SchoolSystem contracts.
   • Returns the length of the deployedSchoolSystems array.

SchoolSystem Contract

Overview:

• The SchoolSystem contract represents a system for managing courses, students, and lecturers in a school.
• It inherits from the KIP17 contract, allowing it to act as a Klaytn-based non-fungible token (NFT).
• The contract also uses the Ownable contract, enabling ownership management functionalities.

Storage Variables:

• courseCount, lecturerCount, and studentCount: Counters for tracking the number of courses, lecturers, and students.
• Various mappings for storing course details, lecturer and student tokens, and attendance information.

Modifiers:

• onlyAdmin, onlyLecturer, and onlyStudent: Modifiers restricting access to certain functions based on roles.

Constructor:

• Initializes the contract with the name and symbol of the associated KIP17 token.

Functions:

1. Management Functions:

   • employ_Lecturer: Employ a new lecturer.
   • admit_student: Admit a new student.
   • transferOwnership: Transfer ownership of the contract.

2. Course Management Functions:

   • createCourse: Create a new course.
   • registerForCourse: Register a student for a course.

3. Class Session Functions:

   • createClassSession: Create a new class session for a course.
   • markAttendance: Mark attendance for a class session.

4. Query Functions:

   • getSessionIdsForLecturer: Get session IDs for a lecturer.
   • getTotalRegisteredCourses: Get the total number of registered courses for a student.
   • calculateAttendancePercentage: Calculate the attendance percentage for a student.

Internal Functions:

• courseNameExists: Check if a course name already exists.
• getCourseSessionIds: Get session IDs for a specific course.

Events:

• StudentRegistered: Fired when a student registers for a course.
• CourseCreated: Fired when a new course is created.
• ClassSessionCreated: Fired when a new class session is created.
• AttendanceMarked: Fired when attendance is marked for a class session.