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