knowledge/document_page/models/document_page_history.py
2024-11-12 10:19:09 +01:00

73 lines
2.4 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
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.Html(sanitize=False)
diff = fields.Html(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,
)
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",
)
rec.diff = self._get_diff(prev.id, 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 self.env._("There are no changes in revisions.")
else:
diff = difflib.HtmlDiff()
return diff.make_table(
line1,
line2,
f"Revision-{v1}",
f"Revision-{v2}",
context=True,
)
@api.depends("page_id")
def _compute_display_name(self):
for rec in self:
rec.display_name = rec.id, "%s #%i" % (rec.page_id.name, rec.id)