knowledge/document_page/models/document_page_history.py
2024-11-07 16:57:21 +01:00

76 lines
2.5 KiB
Python

# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
import difflib
from odoo import api, fields, models
from odoo.tools.translate import _
class DocumentPageHistory(models.Model):
"""This model is necessary to manage a document history."""
_name = "document.page.history"
_description = "Document Page History"
_order = 'id DESC'
page_id = fields.Many2one('document.page', 'Page', ondelete='cascade')
name = fields.Char(index=True)
summary = fields.Char(index=True)
content = fields.Text()
diff = fields.Text(compute='_compute_diff')
company_id = fields.Many2one(
'res.company',
'Company',
help='If set, page is accessible only from this company',
related='page_id.company_id',
store=True,
index=True,
readonly=True,
)
@api.multi
def _compute_diff(self):
"""Shows a diff between this version and the previous version"""
history = self.env['document.page.history']
for rec in self:
prev = history.search([
('page_id', '=', rec.page_id.id),
('create_date', '<', rec.create_date)],
limit=1,
order='create_date DESC')
if prev:
rec.diff = self._get_diff(prev.id, rec.id)
else:
rec.diff = self._get_diff(False, rec.id)
@api.model
def _get_diff(self, v1, v2):
"""Return the difference between two version of document version."""
text1 = v1 and self.browse(v1).content or ''
text2 = v2 and self.browse(v2).content or ''
# Include line breaks to make it more readable
# TODO: consider using a beautify library directly on the content
text1 = text1.replace('</p><p>', '</p>\r\n<p>')
text2 = text2.replace('</p><p>', '</p>\r\n<p>')
line1 = text1.splitlines(True)
line2 = text2.splitlines(True)
if line1 == line2:
return _('There are no changes in revisions.')
else:
diff = difflib.HtmlDiff()
return diff.make_table(
line1, line2,
"Revision-{}".format(v1),
"Revision-{}".format(v2),
context=True
)
@api.multi
def name_get(self):
result = []
for rec in self:
name = "%s #%i" % (rec.page_id.name, rec.id)
result.append((rec.id, name))
return result