news/models/news_info.py

# -*- coding: utf-8 -*-

from odoo import models, fields, api


class News(models.Model):
    _name = 'news.info'
    _description = 'News Info'
    _order = 'create_time_ts DESC'

    name = fields.Char(string='Title', required=True)
    context = fields.Text(string='Context')
    context_simple = fields.Char(string='Context Simple', compute='_compute_context')
    source_url = fields.Char(string='Source URL')
    link = fields.Char(string='Link')
    article_type = fields.Char(string='Article Type')
    article_source = fields.Char(string='Article Source')
    img_url = fields.Char(string='Image URL')
    keyword = fields.Char(string='Keyword')
    posted_date = fields.Char(string='Posted Date')
    create_time_ts = fields.Float(string='Creation Time TS')
    create_time = fields.Datetime(string='Creation Time')
    create_datetime = fields.Datetime(string='Creation Datetime')

    def _compute_context(self):
        context = ''
        for record in self:
            if record.context:
                if len(record.context) < 80:
                    record.context_simple = record.context
                else:
                    record.context_simple = f'{record.context[:80]}...'
            else:
                record.context_simple = context