148 lines
4.1 KiB
Python
148 lines
4.1 KiB
Python
from odoo import fields, models, api
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class Textbook(models.Model):
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_name = 'yuthon.school.textbook'
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_description = '教材'
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_order = 'category_id, sequence, name'
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name = fields.Char(
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string='教材名称',
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required=True,
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help='如：Odoo 18 基础入门、Odoo 18 视图开发实战',
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)
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sequence = fields.Integer(
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string='排序',
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default=10,
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)
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category_id = fields.Many2one(
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'yuthon.school.category',
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string='学习分类',
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ondelete='restrict',
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help='该教材所属的学习分类',
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)
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description = fields.Text(
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string='教材简介',
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help='教材的内容概要和适用人群',
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)
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difficulty = fields.Selection(
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[('beginner', '入门'), ('intermediate', '进阶'), ('advanced', '高级')],
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string='难度等级',
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default='beginner',
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)
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state = fields.Selection(
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[('draft', '草稿'), ('published', '已发布')],
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string='状态',
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default='draft',
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)
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total_hours = fields.Float(
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string='总学时',
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compute='_compute_total_hours',
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store=True,
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help='自动统计各章学时之和',
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)
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total_chapters = fields.Integer(
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string='章节数',
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compute='_compute_total_chapters',
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store=True,
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)
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total_videos = fields.Integer(
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string='视频数',
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compute='_compute_total_videos',
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store=True,
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)
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chapter_ids = fields.One2many(
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'yuthon.school.chapter',
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'textbook_id',
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string='章节',
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)
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active = fields.Boolean(
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string='启用',
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default=True,
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)
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@api.depends('chapter_ids.hours')
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def _compute_total_hours(self):
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for record in self:
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record.total_hours = sum(record.chapter_ids.mapped('hours'))
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@api.depends('chapter_ids')
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def _compute_total_chapters(self):
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for record in self:
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record.total_chapters = len(record.chapter_ids)
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@api.depends('chapter_ids.video_ids')
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def _compute_total_videos(self):
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for record in self:
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record.total_videos = sum(len(ch.video_ids) for ch in record.chapter_ids)
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def action_confirm(self):
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"""发布教材：将状态从草稿改为已发布"""
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self.write({'state': 'published'})
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def action_set_draft(self):
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"""退回草稿：将状态从已发布改回草稿"""
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self.write({'state': 'draft'})
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class Chapter(models.Model):
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_name = 'yuthon.school.chapter'
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_description = '章节'
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_order = 'textbook_id, sequence, name'
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_sql_constraints = [
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('unique_chapter_seq',
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'unique(textbook_id, sequence)',
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'同一教材下章节序号不能重复！'),
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]
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name = fields.Char(
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string='章节标题',
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required=True,
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)
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sequence = fields.Integer(
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string='排序',
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default=10,
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)
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textbook_id = fields.Many2one(
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'yuthon.school.textbook',
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string='所属教材',
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required=True,
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ondelete='cascade',
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)
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summary = fields.Text(
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string='内容概述',
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help='本章涵盖的内容概述',
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)
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key_points = fields.Text(
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string='知识要点',
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help='本章需要掌握的关键知识点',
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)
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hours = fields.Float(
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string='学时',
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default=1.0,
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help='本章预计学习时长（小时）',
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)
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video_ids = fields.One2many(
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'yuthon.school.video',
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'chapter_id',
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string='视频',
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)
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video_count = fields.Integer(
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string='视频数',
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compute='_compute_video_count',
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store=True,
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)
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@api.depends('video_ids')
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def _compute_video_count(self):
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for record in self:
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record.video_count = len(record.video_ids)
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@api.onchange('video_ids')
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def _onchange_video_ids(self):
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"""当视频列表变化时，自动建议学时（每个视频按 0.5 学时计算）"""
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if self.video_ids:
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suggested = max(1.0, len(self.video_ids) * 0.5)
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self.hours = suggested
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