24 lines
849 B
Python
24 lines
849 B
Python
from odoo import api, fields, models
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class SchoolClass(models.Model):
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"""班级——归属一名班主任（老师），包含若干学生。"""
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_name = 'yuthon.school.class'
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_description = '班级'
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_order = 'name'
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name = fields.Char(string='班级名称', required=True, index=True)
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head_teacher_id = fields.Many2one(
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'yuthon.school.teacher', string='班主任', ondelete='set null')
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student_ids = fields.One2many(
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'yuthon.school.student', 'class_id', string='学生')
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student_count = fields.Integer(
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string='学生人数', compute='_compute_student_count', store=True)
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active = fields.Boolean(string='启用', default=True)
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@api.depends('student_ids')
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def _compute_student_count(self):
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for record in self:
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record.student_count = len(record.student_ids)
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