first commit

modules/purchase_history/__init__.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.

modules/purchase_history/locale/bg.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/ca.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Revisió"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/cs.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/de.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Version"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/es.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Revisión"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/es_419.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/et.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/fa.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/fi.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/fr.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Révision"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/hu.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/id.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Revisi"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/it.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Revisione"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/lo.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/lt.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/nl.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Herziening"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/pl.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Wersja"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/pt.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/ro.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr "Revizuire"
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr "/"

modules/purchase_history/locale/ru.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/sl.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/tr.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/uk.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/locale/zh_CN.po

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+#
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:purchase.purchase,revision:"
+msgid "Revision"
+msgstr ""
+
+msgctxt "view:purchase.purchase:"
+msgid "/"
+msgstr ""

modules/purchase_history/purchase.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.model import ModelView, Workflow, fields
+from trytond.pool import PoolMeta
+from trytond.pyson import Eval
+from trytond.tools import grouped_slice, reduce_ids
+from trytond.transaction import Transaction
+
+
+class Purchase(metaclass=PoolMeta):
+    __name__ = 'purchase.purchase'
+    _history = True
+    revision = fields.Integer(
+        "Revision", required=True, readonly=True,
+        states={
+            'invisible': Eval('revision', 0) == 0,
+            })
+
+    @classmethod
+    def default_revision(cls):
+        return 0
+
+    @property
+    def full_number(self):
+        number = super().full_number
+        if number is not None and self.revision:
+            number += '/%d' % self.revision
+        return number
+
+    @classmethod
+    def copy(cls, purchases, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('revision', cls.default_revision())
+        return super().copy(purchases, default=default)
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('draft')
+    def draft(cls, purchases):
+        cursor = Transaction().connection.cursor()
+        table = cls.__table__()
+
+        # Use SQL and before super to avoid two history entries
+        for sub_purchases in grouped_slice(purchases):
+            cursor.execute(*table.update(
+                    [table.revision],
+                    [table.revision + 1],
+                    where=reduce_ids(table.id, sub_purchases)))
+
+        super().draft(purchases)
+
+
+class Line(metaclass=PoolMeta):
+    __name__ = 'purchase.line'
+    _history = True
+
+
+class LineTax(metaclass=PoolMeta):
+    __name__ = 'purchase.line-account.tax'
+    _history = True

modules/purchase_history/purchase.xml

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+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data>
+        <record model="ir.ui.view" id="purchase_view_form">
+            <field name="model">purchase.purchase</field>
+            <field name="inherit" ref="purchase.purchase_view_form"/>
+            <field name="name">purchase_form</field>
+        </record>
+        <record model="ir.ui.view" id="purchase_view_tree">
+            <field name="model">purchase.purchase</field>
+            <field name="inherit" ref="purchase.purchase_view_tree"/>
+            <field name="name">purchase_tree</field>
+        </record>
+    </data>
+</tryton>

modules/purchase_history/tests/__init__.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.

modules/purchase_history/tests/scenario_purchase_history.rst

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+=========================
+Purchase History Scenario
+=========================
+
+Imports::
+
+    >>> from proteus import Model
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules
+
+Activate modules::
+
+    >>> config = activate_modules('purchase_history', create_company)
+
+Create supplier::
+
+    >>> Party = Model.get('party.party')
+    >>> supplier = Party(name='Supplier')
+    >>> supplier.save()
+
+Create a purchase::
+
+   >>> Purchase = Model.get('purchase.purchase')
+   >>> purchase = Purchase()
+   >>> purchase.party = supplier
+   >>> purchase.click('quote')
+
+   >>> purchase.number
+   '1'
+   >>> purchase.revision
+   0
+   >>> purchase.rec_name
+   '1'
+
+Reset to draft increases revision::
+
+   >>> purchase.click('draft')
+
+   >>> purchase.revision
+   1
+   >>> purchase.rec_name
+   '1/1'

modules/purchase_history/tests/test_module.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.tests.test_tryton import ModuleTestCase
+
+
+class PurchaseHistoryTestCase(ModuleTestCase):
+    'Test Purchase History module'
+    module = 'purchase_history'
+
+
+del ModuleTestCase

modules/purchase_history/tests/test_scenario.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.tests.test_tryton import load_doc_tests
+
+
+def load_tests(*args, **kwargs):
+    return load_doc_tests(__name__, __file__, *args, **kwargs)

modules/purchase_history/tryton.cfg

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+[tryton]
+version=7.8.0
+depends:
+    ir
+    purchase
+xml:
+    purchase.xml
+
+[register]
+model:
+    purchase.Purchase
+    purchase.Line
+    purchase.LineTax

modules/purchase_history/view/purchase_form.xml

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+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="/form/field[@name='number']" position="replace">
+        <group id="number">
+            <field name="number"/>
+            <label name="revision" string="/"/>
+            <field name="revision"/>
+        </group>
+    </xpath>
+</data>

modules/purchase_history/view/purchase_tree.xml

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+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="//field[@name='number']" position="after">
+        <field name="revision"/>
+    </xpath>
+</data>