odoo_18_Education_management/models/enrollment.py

from odoo import models, fields, api

class SchoolEnrollment(models.Model):
    _name = 'school.enrollment'
    _description = 'Enrollment'
    

    # Relations
    application_id = fields.Many2one('school.application', string="Application", required=True)
    student_id = fields.Many2one('res.partner', string='Student', required=True)
    school_id = fields.Many2one('res.company', string="School", default=lambda self: self.env.company)

    # Basic Info
    image = fields.Binary("Profile Photo", store=True)
    class_name = fields.Selection([
        ('1', 'Class 1'), ('2', 'Class 2'), ('3', 'Class 3'),
        ('4', 'Class 4'), ('5', 'Class 5'), ('6', 'Class 6'),
        ('7', 'Class 7'), ('8', 'Class 8'), ('9', 'Class 9'),
        ('10', 'Class 10'), ('11', 'Class 11'), ('12', 'Class 12'),
    ], string="Class", required=True)

    course = fields.Char(string="Course")
    session = fields.Char(string="Session")
    academic_year = fields.Char(string="Academic Year")
    enrollment_date = fields.Date(string="Enrollment Date")
    
    # Fee Info
    fees_structure = fields.Char(string="Fees Structure")
    fees_status = fields.Selection([
        ('paid', 'Paid'),
        ('partial', 'Partially Paid'),
        ('unpaid', 'Unpaid')
    ], string="Fees Status", default="unpaid")

    session_status = fields.Selection([
        ('active', 'Active'),
        ('completed', 'Completed'),
        ('drop', 'Dropped')
    ], string="Session Status", default="active")

    status = fields.Selection([
        ('draft', 'Draft'),
        ('confirmed', 'Confirmed'),
        ('cancelled', 'Cancelled')
    ], string="Status", default='draft')

    # Linked lines
    subject_line_ids = fields.One2many('school.enrollment.subject', 'enrollment_id', string="Subjects")
    fee_summary_line_ids = fields.One2many('school.enrollment.fee.summary', 'enrollment_id', string="Fee Summary")

    course_id = fields.Many2one('school.course', string='Course', ondelete='cascade', required=True)